/usr/lib/python2.7/dist-packages/impacket/examples/ntlmrelayx/clients/ldaprelayclient.py is in python-impacket 0.9.15-1.
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The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 | #!/usr/bin/python
# Copyright (c) 2003-2016 CORE Security Technologies
#
# This software is provided under under a slightly modified version
# of the Apache Software License. See the accompanying LICENSE file
# for more information.
#
# Author:
# Dirk-jan Mollema / Fox-IT (https://www.fox-it.com)
#
# Description:
# LDAP client for relaying NTLMSSP authentication to LDAP servers
# The way of using the ldap3 library is quite hacky, but its the best
# way to make the lib do things it wasn't designed to without touching
# its code
#
from ldap3 import Server, Connection, ALL, NTLM, RESULT_SUCCESS, MODIFY_ADD
from ldap3.operation import bind
class LDAPRelayClient:
MODIFY_ADD = MODIFY_ADD
def __init__(self,server,port=None):
self.target = server
self.negotiateMessage = None
self.authenticateMessageBlob = None
self.s = None
self.c = None
def init_connection(self):
self.s = Server(self.target, get_info=ALL)
self.c = Connection(self.s, user="a", password="b", authentication=NTLM)
self.c.open(False)
def sendNegotiate(self,negotiateMessage):
self.negotiateMessage = negotiateMessage
self.init_connection()
with self.c.lock:
result = None
if not self.c.sasl_in_progress:
self.c.sasl_in_progress = True
request = bind.bind_operation(self.c.version, 'SICILY_PACKAGE_DISCOVERY')
response = self.c.post_send_single_response(self.c.send('bindRequest', request, None))
result = response[0]
sicily_packages = result['server_creds'].decode('ascii').split(';')
if 'NTLM' in sicily_packages: # NTLM available on server
request = bind.bind_operation(self.c.version, 'SICILY_NEGOTIATE_NTLM', self)
response = self.c.post_send_single_response(self.c.send('bindRequest', request, None))
result = response[0]
if result['result'] == RESULT_SUCCESS:
return result['server_creds']
#This is a fake function for ldap3 which wants an NTLM client with specific methods
def create_negotiate_message(self):
return self.negotiateMessage
def sendAuth(self,authenticateMessageBlob, serverChallenge=None):
with self.c.lock:
result = None
self.authenticateMessageBlob = authenticateMessageBlob
request = bind.bind_operation(self.c.version, 'SICILY_RESPONSE_NTLM', self, None)
response = self.c.post_send_single_response(self.c.send('bindRequest', request, None))
result = response[0]
self.c.sasl_in_progress = False
if result['result'] == RESULT_SUCCESS:
self.c.bound = True
self.c.refresh_server_info()
return result
#This is a fake function for ldap3 which wants an NTLM client with specific methods
def create_authenticate_message(self):
return self.authenticateMessageBlob
#Placeholder function for ldap3
def parse_challenge_message(self,message):
pass
#SMB Relay server needs this
@staticmethod
def get_encryption_key():
return None
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