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|
# Impacket - Collection of Python classes for working with network protocols.
#
# Copyright Fortra, LLC and its affiliated companies
#
# All rights reserved.
#
# This software is provided under a slightly modified version
# of the Apache Software License. See the accompanying LICENSE file
# for more information.
#
# Tested so far:
# DRSBind
# (h)DRSDomainControllerInfo
# (h)DRSCrackNames
# DRSGetNT4ChangeLog
# DRSVerifyName
# DRSGetNCChanges
# Not yet:
# DRSUnBind
#
from __future__ import division
from __future__ import print_function
import pytest
import unittest
from tests.dcerpc import DCERPCTests
from impacket.dcerpc.v5 import drsuapi
from impacket.dcerpc.v5.dtypes import NULL, LPWSTR
from impacket.dcerpc.v5.rpcrt import RPC_C_AUTHN_LEVEL_PKT_PRIVACY
class DRSRTests(DCERPCTests):
iface_uuid = drsuapi.MSRPC_UUID_DRSUAPI
authn = True
authn_level = RPC_C_AUTHN_LEVEL_PKT_PRIVACY
string_binding = r"ncacn_np:{0.machine}[\PIPE\lsass]"
def bind(self, dce):
request = drsuapi.DRSBind()
request['puuidClientDsa'] = drsuapi.NTDSAPI_CLIENT_GUID
drs = drsuapi.DRS_EXTENSIONS_INT()
drs['cb'] = len(drs) #- 4
drs['dwFlags'] = drsuapi.DRS_EXT_GETCHGREQ_V6 | drsuapi.DRS_EXT_GETCHGREPLY_V6 | drsuapi.DRS_EXT_GETCHGREQ_V8 | drsuapi.DRS_EXT_STRONG_ENCRYPTION
drs['SiteObjGuid'] = drsuapi.NULLGUID
drs['Pid'] = 0
drs['dwReplEpoch'] = 0
drs['dwFlagsExt'] = drsuapi.DRS_EXT_RECYCLE_BIN
drs['ConfigObjGUID'] = drsuapi.NULLGUID
drs['dwExtCaps'] = 0
request['pextClient']['cb'] = len(drs.getData())
request['pextClient']['rgb'] = list(drs.getData())
resp = dce.request(request)
# Let's dig into the answer to check the dwReplEpoch. This field should match the one we send as part of
# DRSBind's DRS_EXTENSIONS_INT(). If not, it will fail later when trying to sync data.
drsExtensionsInt = drsuapi.DRS_EXTENSIONS_INT()
# If dwExtCaps is not included in the answer, let's just add it so we can unpack DRS_EXTENSIONS_INT right.
ppextServer = b''.join(resp['ppextServer']['rgb']) + b'\x00' * (
len(drsuapi.DRS_EXTENSIONS_INT()) - resp['ppextServer']['cb'])
drsExtensionsInt.fromString(ppextServer)
if drsExtensionsInt['dwReplEpoch'] != 0:
# Different epoch, we have to call DRSBind again
drs['dwReplEpoch'] = drsExtensionsInt['dwReplEpoch']
request['pextClient']['cb'] = len(drs.getData())
request['pextClient']['rgb'] = list(drs.getData())
resp = dce.request(request)
resp2 = drsuapi.hDRSDomainControllerInfo(dce, resp['phDrs'], self.domain, 2)
return resp['phDrs'], resp2['pmsgOut']['V2']['rItems'][0]['NtdsDsaObjectGuid']
def test_DRSBind(self):
dce, rpc_transport = self.connect()
request = drsuapi.DRSBind()
request['puuidClientDsa'] = drsuapi.NTDSAPI_CLIENT_GUID
drs = drsuapi.DRS_EXTENSIONS_INT()
drs['cb'] = len(drs) - 4
drs['dwFlags'] = 0
drs['SiteObjGuid'] = drsuapi.NULLGUID
drs['Pid'] = 0x1234
drs['dwReplEpoch'] = 0
drs['dwFlagsExt'] = drsuapi.DRS_EXT_RECYCLE_BIN
drs['ConfigObjGUID'] = drsuapi.NULLGUID
drs['dwExtCaps'] = 0
request['pextClient']['cb'] = len(drs)
request['pextClient']['rgb'] = list(drs.getData())
resp = dce.request(request)
resp.dump()
extension = drsuapi.DRS_EXTENSIONS_INT(b'\x00'*4 + b''.join(resp['ppextServer']['rgb'])+b'\x00'*4)
extension.dump()
def test_DRSDomainControllerInfo(self):
dce, rpc_transport = self.connect()
hDrs, DsaObjDest = self.bind(dce)
request = drsuapi.DRSDomainControllerInfo()
request['hDrs'] = hDrs
request['dwInVersion'] = 1
request['pmsgIn']['tag'] = 1
request['pmsgIn']['V1']['Domain'] = self.domain + '\x00'
request['pmsgIn']['V1']['InfoLevel'] = 1
resp = dce.request(request)
resp.dump()
request['pmsgIn']['V1']['InfoLevel'] = 2
resp = dce.request(request)
resp.dump()
request['pmsgIn']['V1']['InfoLevel'] = 3
resp = dce.request(request)
resp.dump()
request['pmsgIn']['V1']['InfoLevel'] = 0xffffffff
resp = dce.request(request)
resp.dump()
def test_hDRSDomainControllerInfo(self):
dce, rpc_transport = self.connect()
hDrs, DsaObjDest = self.bind(dce)
resp = drsuapi.hDRSDomainControllerInfo(dce, hDrs, self.domain, 1)
resp.dump()
resp = drsuapi.hDRSDomainControllerInfo(dce, hDrs, self.domain, 2)
resp.dump()
resp = drsuapi.hDRSDomainControllerInfo(dce, hDrs, self.domain, 3)
resp.dump()
resp = drsuapi.hDRSDomainControllerInfo(dce, hDrs, self.domain, 0xffffffff)
resp.dump()
def test_DRSCrackNames(self):
dce, rpc_transport = self.connect()
hDrs, DsaObjDest = self.bind(dce)
request = drsuapi.DRSCrackNames()
request['hDrs'] = hDrs
request['dwInVersion'] = 1
request['pmsgIn']['tag'] = 1
request['pmsgIn']['V1']['CodePage'] = 0
request['pmsgIn']['V1']['LocaleId'] = 0
request['pmsgIn']['V1']['dwFlags'] = 0
request['pmsgIn']['V1']['formatOffered'] = drsuapi.DS_NT4_ACCOUNT_NAME_SANS_DOMAIN
request['pmsgIn']['V1']['formatDesired'] = drsuapi.DS_USER_PRINCIPAL_NAME_FOR_LOGON
request['pmsgIn']['V1']['cNames'] = 1
name = LPWSTR()
#name['Data'] = 'FREEFLY-DC\x00'
#name['Data'] = 'CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=FREEFLY,DC=NET\x00'
#name['Data'] = 'CN=FREEFLY-DC,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=FREEFLY,DC=NET\x00'
name['Data'] = 'Administrator\x00'
request['pmsgIn']['V1']['rpNames'].append(name)
resp = dce.request(request)
resp.dump()
def test_hDRSCrackNames(self):
dce, rpc_transport = self.connect()
hDrs, DsaObjDest = self.bind(dce)
name = 'Administrator'
formatOffered = drsuapi.DS_NT4_ACCOUNT_NAME_SANS_DOMAIN
formatDesired = drsuapi.DS_STRING_SID_NAME
resp = drsuapi.hDRSCrackNames(dce, hDrs, 0, formatOffered, formatDesired, (name,))
resp.dump()
name = 'CN=NTDS Settings,CN=DC1-WIN2012,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=%s,DC=%s' % (self.domain.split('.')[0],self.domain.split('.')[1])
resp = drsuapi.hDRSCrackNames(dce, hDrs, 0, drsuapi.DS_NAME_FORMAT.DS_FQDN_1779_NAME, drsuapi.DS_NAME_FORMAT.DS_UNIQUE_ID_NAME, (name,))
resp.dump()
name = 'CN=NTDS Settings,CN=DC1-WIN2012,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=%s,DC=%s' % (self.domain.split('.')[0],self.domain.split('.')[1])
resp = drsuapi.hDRSCrackNames(dce, hDrs, 0, drsuapi.DS_NAME_FORMAT.DS_FQDN_1779_NAME, drsuapi.DS_STRING_SID_NAME, (name,))
resp.dump()
name = self.domain.upper()
#name = ''
resp = drsuapi.hDRSCrackNames(dce, hDrs, 0, drsuapi.DS_LIST_ROLES, drsuapi.DS_NAME_FORMAT.DS_FQDN_1779_NAME, (name,))
resp.dump()
def test_DRSGetNT4ChangeLog(self):
dce, rpc_transport = self.connect()
hDrs, DsaObjDest = self.bind(dce)
request = drsuapi.DRSGetNT4ChangeLog()
request['hDrs'] = hDrs
request['dwInVersion'] = 1
request['pmsgIn']['tag'] = 1
request['pmsgIn']['V1']['dwFlags'] = drsuapi.DRS_NT4_CHGLOG_GET_CHANGE_LOG | drsuapi.DRS_NT4_CHGLOG_GET_SERIAL_NUMBERS
request['pmsgIn']['V1']['PreferredMaximumLength'] = 0x4000
request['pmsgIn']['V1']['cbRestart'] = 0
request['pmsgIn']['V1']['pRestart'] = NULL
try:
resp = dce.request(request)
resp.dump()
except Exception as e:
if str(e).find('ERROR_NOT_SUPPORTED') <0:
raise
def test_DRSVerifyNames(self):
dce, rpc_transport = self.connect()
hDrs, DsaObjDest = self.bind(dce)
request = drsuapi.DRSVerifyNames()
request['hDrs'] = hDrs
request['dwInVersion'] = 1
request['pmsgIn']['tag'] = 1
request['pmsgIn']['V1']['dwFlags'] = drsuapi.DRS_VERIFY_DSNAMES
request['pmsgIn']['V1']['cNames'] = 1
request['pmsgIn']['V1']['PrefixTable']['pPrefixEntry'] = NULL
dsName = drsuapi.PDSNAME()
dsName['SidLen'] = 0
dsName['Guid'] = drsuapi.NULLGUID
dsName['Sid'] = ''
name = 'DC=%s,DC=%s' % (self.domain.split('.')[0], self.domain.split('.')[1])
dsName['NameLen'] = len(name)
dsName['StringName'] = (name + '\x00')
dsName['structLen'] = len(dsName.getDataReferent())-4
request['pmsgIn']['V1']['rpNames'].append(dsName)
resp = dce.request(request)
resp.dump()
@pytest.mark.xfail
def test_DRSGetNCChanges(self):
dce, rpc_transport = self.connect()
hDrs, DsaObjDest = self.bind(dce)
request = drsuapi.DRSGetNCChanges()
request['hDrs'] = hDrs
request['dwInVersion'] = 8
request['pmsgIn']['tag'] = 8
request['pmsgIn']['V8']['uuidDsaObjDest'] = DsaObjDest
request['pmsgIn']['V8']['uuidInvocIdSrc'] = DsaObjDest
#request['pmsgIn']['V8']['pNC'] = NULL
dsName = drsuapi.DSNAME()
dsName['SidLen'] = 0
dsName['Guid'] = drsuapi.NULLGUID
dsName['Sid'] = ''
name = 'DC=%s,DC=%s' % (self.domain.split('.')[0], self.domain.split('.')[1])
dsName['NameLen'] = len(name)
dsName['StringName'] = (name + '\x00')
dsName['structLen'] = len(dsName.getData())
request['pmsgIn']['V8']['pNC'] = dsName
request['pmsgIn']['V8']['usnvecFrom']['usnHighObjUpdate'] = 0
request['pmsgIn']['V8']['usnvecFrom']['usnHighPropUpdate'] = 0
request['pmsgIn']['V8']['pUpToDateVecDest'] = NULL
request['pmsgIn']['V8']['ulFlags'] = drsuapi.DRS_INIT_SYNC | drsuapi.DRS_PER_SYNC #| drsuapi.DRS_CRITICAL_ONLY
request['pmsgIn']['V8']['cMaxObjects'] = 100
request['pmsgIn']['V8']['cMaxBytes'] = 0
request['pmsgIn']['V8']['ulExtendedOp'] = drsuapi.EXOP_REPL_OBJ | drsuapi.EXOP_REPL_SECRETS
prefixTable = []
oid1 = drsuapi.MakeAttid(prefixTable, '1.2.840.113556.1.4.656') # principalName
oid2 = drsuapi.MakeAttid(prefixTable, '1.2.840.113556.1.4.221') #'sAMAccountName'
oid3 = drsuapi.MakeAttid(prefixTable, '1.2.840.113556.1.4.90') # 'unicodePwd'
oid4 = drsuapi.MakeAttid(prefixTable, '1.2.840.113556.1.4.94') # ntPwdHistory
oid5 = drsuapi.MakeAttid(prefixTable, '1.2.840.113556.1.4.160') # lmPwdHistory
oid6 = drsuapi.MakeAttid(prefixTable, '1.2.840.113556.1.4.125') # supplementalCreds
oid7 = drsuapi.MakeAttid(prefixTable, '1.2.840.113556.1.4.146') # objectSid
request['pmsgIn']['V8']['pPartialAttrSet']['dwVersion'] = 1
request['pmsgIn']['V8']['pPartialAttrSet']['cAttrs'] = 7
request['pmsgIn']['V8']['pPartialAttrSet']['rgPartialAttr'].append(oid1)
request['pmsgIn']['V8']['pPartialAttrSet']['rgPartialAttr'].append(oid2)
request['pmsgIn']['V8']['pPartialAttrSet']['rgPartialAttr'].append(oid3)
request['pmsgIn']['V8']['pPartialAttrSet']['rgPartialAttr'].append(oid4)
request['pmsgIn']['V8']['pPartialAttrSet']['rgPartialAttr'].append(oid5)
request['pmsgIn']['V8']['pPartialAttrSet']['rgPartialAttr'].append(oid6)
request['pmsgIn']['V8']['pPartialAttrSet']['rgPartialAttr'].append(oid7)
request['pmsgIn']['V8']['pPartialAttrSetEx1'] = NULL
request['pmsgIn']['V8']['PrefixTableDest']['PrefixCount'] = len(prefixTable)
request['pmsgIn']['V8']['PrefixTableDest']['pPrefixEntry'] = prefixTable
resp = dce.request(request)
resp.dump()
#moreData = 1
#while moreData > 0:
# thisObject = resp['pmsgOut']['V6']['pObjects']
# done = False
# while not done:
# nextObject = thisObject['pNextEntInf']
# thisObject['pNextEntInf'] = NULL
# thisObject.dump()
# print thisObject['Entinf']['pName']['StringName']
# thisObject = nextObject
# if nextObject == '':
# done = True
# request['pmsgIn']['V8']['uuidInvocIdSrc'] = resp['pmsgOut']['V6']['uuidInvocIdSrc']
# request['pmsgIn']['V8']['usnvecFrom'] = resp['pmsgOut']['V6']['usnvecTo']
# resp = dce.request(request)
# moreData = resp['pmsgOut']['V6']['fMoreData']
#print "OBJECTS ", resp['pmsgOut']['V6']['cNumObjects']
def getMoreData(self, dce, request, resp):
while resp['pmsgOut']['V6']['fMoreData'] > 0:
#thisObject = resp['pmsgOut']['V6']['pObjects']
#done = False
#while not done:
# nextObject = thisObject['pNextEntInf']
# thisObject['pNextEntInf'] = NULL
#thisObject.dump()
#print '\n'
#print thisObject['Entinf']['pName']['StringName']
# thisObject = nextObject
# if nextObject == '':
# done = True
request['pmsgIn']['V10']['uuidInvocIdSrc'] = resp['pmsgOut']['V6']
request['pmsgIn']['V10']['usnvecFrom'] = resp['pmsgOut']['V6']['usnvecTo']
resp = dce.request(request)
resp.dump()
print('\n')
@pytest.mark.xfail
def test_DRSGetNCChanges2(self):
dce, rpc_transport = self.connect()
hDrs, DsaObjDest = self.bind(dce)
request = drsuapi.DRSGetNCChanges()
request['hDrs'] = hDrs
request['dwInVersion'] = 10
request['pmsgIn']['tag'] =10
request['pmsgIn']['V10']['uuidDsaObjDest'] = DsaObjDest
request['pmsgIn']['V10']['uuidInvocIdSrc'] = drsuapi.NULLGUID
#request['pmsgIn']['V10']['pNC'] = NULL
dsName = drsuapi.DSNAME()
dsName['SidLen'] = 0
dsName['Guid'] = drsuapi.NULLGUID
dsName['Sid'] = ''
name = 'CN=Schema,CN=Configuration,DC=%s,DC=%s' % (self.domain.split('.')[0], self.domain.split('.')[1])
dsName['NameLen'] = len(name)
dsName['StringName'] = (name + '\x00')
dsName['structLen'] = len(dsName.getData())
request['pmsgIn']['V10']['pNC'] = dsName
request['pmsgIn']['V10']['usnvecFrom']['usnHighObjUpdate'] = 0
request['pmsgIn']['V10']['usnvecFrom']['usnHighPropUpdate'] = 0
request['pmsgIn']['V10']['pUpToDateVecDest'] = NULL
request['pmsgIn']['V10']['ulFlags'] = drsuapi.DRS_INIT_SYNC | drsuapi.DRS_PER_SYNC | drsuapi.DRS_WRIT_REP | drsuapi.DRS_FULL_SYNC_NOW
request['pmsgIn']['V10']['cMaxObjects'] = 100
request['pmsgIn']['V10']['cMaxBytes'] = 0
request['pmsgIn']['V10']['ulExtendedOp'] = 0
request['pmsgIn']['V10']['pPartialAttrSet'] = NULL
request['pmsgIn']['V10']['pPartialAttrSetEx1'] = NULL
request['pmsgIn']['V10']['PrefixTableDest']['pPrefixEntry'] = NULL
#request['pmsgIn']['V10']['ulMoreFlags'] = 0
resp = dce.request(request)
print(resp['pmsgOut']['V6']['pNC']['StringName'])
resp.dump()
print('\n')
self.getMoreData(dce, request, resp)
dsName = drsuapi.DSNAME(isNDR64=request._isNDR64)
dsName['SidLen'] = 0
dsName['Guid'] = drsuapi.NULLGUID
dsName['Sid'] = ''
name = 'DC=%s,DC=%s' % (self.domain.split('.')[0], self.domain.split('.')[1])
dsName['NameLen'] = len(name)
dsName['StringName'] = (name + '\x00')
dsName['structLen'] = len(dsName.getData())
request['pmsgIn']['V10']['pNC'] = dsName
resp = dce.request(request)
print(resp['pmsgOut']['V6']['pNC']['StringName'])
resp.dump()
print('\n')
self.getMoreData(dce, request, resp)
dsName = drsuapi.DSNAME(isNDR64=request._isNDR64)
dsName['SidLen'] = 0
dsName['Guid'] = drsuapi.NULLGUID
dsName['Sid'] = ''
name = 'CN=Configuration,DC=%s,DC=%s' % (self.domain.split('.')[0],self.domain.split('.')[1])
dsName['NameLen'] = len(name)
dsName['StringName'] = (name + '\x00')
dsName['structLen'] = len(dsName.getData())
request['pmsgIn']['V10']['pNC'] = dsName
resp = dce.request(request)
print(resp['pmsgOut']['V6']['pNC']['StringName'])
resp.dump()
print('\n')
self.getMoreData(dce, request, resp)
#while resp['pmsgOut']['V6']['fMoreData'] > 0:
# thisObject = resp['pmsgOut']['V6']['pObjects']
# done = False
# while not done:
# nextObject = thisObject['pNextEntInf']
# thisObject['pNextEntInf'] = NULL
# #thisObject.dump()
# #print '\n'
# #print thisObject['Entinf']['pName']['StringName']
# thisObject = nextObject
# if nextObject == '':
# done = True
#
# print "B"*80
# request['pmsgIn']['V10']['uuidInvocIdSrc'] = resp['pmsgOut']['V6']
# request['pmsgIn']['V10']['usnvecFrom'] = resp['pmsgOut']['V6']['usnvecTo']
# resp = dce.request(request)
@pytest.mark.remote
class DRSRTestsSMBTransport(DRSRTests, unittest.TestCase):
transfer_syntax = DCERPCTests.TRANSFER_SYNTAX_NDR
@pytest.mark.remote
class DRSRTestsSMBTransport64(DRSRTests, unittest.TestCase):
transfer_syntax = DCERPCTests.TRANSFER_SYNTAX_NDR64
@pytest.mark.remote
class DRSRTestsTCPTransport(DRSRTests, unittest.TestCase):
protocol = "ncacn_ip_tcp"
transfer_syntax = DCERPCTests.TRANSFER_SYNTAX_NDR
string_binding_formatting = DCERPCTests.STRING_BINDING_MAPPER
@pytest.mark.remote
class DRSRTestsTCPTransport64(DRSRTests, unittest.TestCase):
protocol = "ncacn_ip_tcp"
transfer_syntax = DCERPCTests.TRANSFER_SYNTAX_NDR64
string_binding_formatting = DCERPCTests.STRING_BINDING_MAPPER
# Process command-line arguments.
if __name__ == "__main__":
unittest.main(verbosity=1)
|
