Python impacket.ntlm.NTLMSSP_NEGOTIATE_EXTENDED_SESSIONSECURITY Examples

The following are 7 code examples of impacket.ntlm.NTLMSSP_NEGOTIATE_EXTENDED_SESSIONSECURITY(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module impacket.ntlm , or try the search function .
Example #1
Source File: rdp_check.py    From Slackor with GNU General Public License v3.0 6 votes vote down vote up 
def __init__(self, flags, randomSessionKey):
            self.__flags = flags
            if self.__flags & ntlm.NTLMSSP_NEGOTIATE_EXTENDED_SESSIONSECURITY:
                self.__clientSigningKey = ntlm.SIGNKEY(self.__flags, randomSessionKey)
                self.__serverSigningKey = ntlm.SIGNKEY(self.__flags, randomSessionKey,"Server")
                self.__clientSealingKey = ntlm.SEALKEY(self.__flags, randomSessionKey)
                self.__serverSealingKey = ntlm.SEALKEY(self.__flags, randomSessionKey,"Server")
                # Preparing the keys handle states
                cipher3 = ARC4.new(self.__clientSealingKey)
                self.__clientSealingHandle = cipher3.encrypt
                cipher4 = ARC4.new(self.__serverSealingKey)
                self.__serverSealingHandle = cipher4.encrypt
            else:
                # Same key for everything
                self.__clientSigningKey = randomSessionKey
                self.__serverSigningKey = randomSessionKey
                self.__clientSealingKey = randomSessionKey
                self.__clientSealingKey = randomSessionKey
                cipher = ARC4.new(self.__clientSigningKey)
                self.__clientSealingHandle = cipher.encrypt
                self.__serverSealingHandle = cipher.encrypt
            self.__sequence = 0
Example #2
Source File: rdp_check.py    From Slackor with GNU General Public License v3.0 6 votes vote down vote up 
def encrypt(self, plain_data):
            if self.__flags & ntlm.NTLMSSP_NEGOTIATE_EXTENDED_SESSIONSECURITY:
                # When NTLM2 is on, we sign the whole pdu, but encrypt just
                # the data, not the dcerpc header. Weird..
                sealedMessage, signature =  ntlm.SEAL(self.__flags, 
                       self.__clientSigningKey, 
                       self.__clientSealingKey,  
                       plain_data, 
                       plain_data, 
                       self.__sequence, 
                       self.__clientSealingHandle)
            else:
                sealedMessage, signature =  ntlm.SEAL(self.__flags, 
                       self.__clientSigningKey, 
                       self.__clientSealingKey,  
                       plain_data, 
                       plain_data, 
                       self.__sequence, 
                       self.__clientSealingHandle)

            self.__sequence += 1

            return signature, sealedMessage
Example #3
Source File: rdp_check.py    From Slackor with GNU General Public License v3.0 6 votes vote down vote up 
def decrypt(self, answer):
            if self.__flags & ntlm.NTLMSSP_NEGOTIATE_EXTENDED_SESSIONSECURITY:
                # TODO: FIX THIS, it's not calculating the signature well
                # Since I'm not testing it we don't care... yet
                answer, signature =  ntlm.SEAL(self.__flags, 
                        self.__serverSigningKey, 
                        self.__serverSealingKey,  
                        answer, 
                        answer, 
                        self.__sequence, 
                        self.__serverSealingHandle)
            else:
                answer, signature = ntlm.SEAL(self.__flags, 
                        self.__serverSigningKey, 
                        self.__serverSealingKey, 
                        answer, 
                        answer, 
                        self.__sequence, 
                        self.__serverSealingHandle)
                self.__sequence += 1

            return signature, answer
Example #4
Source File: rdp_check.py    From PiBunny with MIT License 6 votes vote down vote up 
def __init__(self, flags, randomSessionKey):
            self.__flags = flags
            if self.__flags & ntlm.NTLMSSP_NEGOTIATE_EXTENDED_SESSIONSECURITY:
                self.__clientSigningKey = ntlm.SIGNKEY(self.__flags, randomSessionKey)
                self.__serverSigningKey = ntlm.SIGNKEY(self.__flags, randomSessionKey,"Server")
                self.__clientSealingKey = ntlm.SEALKEY(self.__flags, randomSessionKey)
                self.__serverSealingKey = ntlm.SEALKEY(self.__flags, randomSessionKey,"Server")
                # Preparing the keys handle states
                cipher3 = ARC4.new(self.__clientSealingKey)
                self.__clientSealingHandle = cipher3.encrypt
                cipher4 = ARC4.new(self.__serverSealingKey)
                self.__serverSealingHandle = cipher4.encrypt
            else:
                # Same key for everything
                self.__clientSigningKey = randomSessionKey
                self.__serverSigningKey = randomSessionKey
                self.__clientSealingKey = randomSessionKey
                self.__clientSealingKey = randomSessionKey
                cipher = ARC4.new(self.__clientSigningKey)
                self.__clientSealingHandle = cipher.encrypt
                self.__serverSealingHandle = cipher.encrypt
            self.__sequence = 0
Example #5
Source File: rdp_check.py    From PiBunny with MIT License 6 votes vote down vote up 
def encrypt(self, plain_data):
            if self.__flags & ntlm.NTLMSSP_NEGOTIATE_EXTENDED_SESSIONSECURITY:
                # When NTLM2 is on, we sign the whole pdu, but encrypt just
                # the data, not the dcerpc header. Weird..
                sealedMessage, signature =  ntlm.SEAL(self.__flags, 
                       self.__clientSigningKey, 
                       self.__clientSealingKey,  
                       plain_data, 
                       plain_data, 
                       self.__sequence, 
                       self.__clientSealingHandle)
            else:
                sealedMessage, signature =  ntlm.SEAL(self.__flags, 
                       self.__clientSigningKey, 
                       self.__clientSealingKey,  
                       plain_data, 
                       plain_data, 
                       self.__sequence, 
                       self.__clientSealingHandle)

            self.__sequence += 1

            return signature, sealedMessage
Example #6
Source File: rdp_check.py    From PiBunny with MIT License 6 votes vote down vote up 
def decrypt(self, answer):
            if self.__flags & ntlm.NTLMSSP_NEGOTIATE_EXTENDED_SESSIONSECURITY:
                # TODO: FIX THIS, it's not calculating the signature well
                # Since I'm not testing it we don't care... yet
                answer, signature =  ntlm.SEAL(self.__flags, 
                        self.__serverSigningKey, 
                        self.__serverSealingKey,  
                        answer, 
                        answer, 
                        self.__sequence, 
                        self.__serverSealingHandle)
            else:
                answer, signature = ntlm.SEAL(self.__flags, 
                        self.__serverSigningKey, 
                        self.__serverSealingKey, 
                        answer, 
                        answer, 
                        self.__sequence, 
                        self.__serverSealingHandle)
                self.__sequence += 1

            return signature, answer
Example #7
Source File: SMB_Core.py    From SMBetray with GNU General Public License v3.0 5 votes vote down vote up 
def getExtended(self):
		#
		return (self.RESPONSE_INFO['flags'] & ntlm.NTLMSSP_NEGOTIATE_EXTENDED_SESSIONSECURITY == ntlm.NTLMSSP_NEGOTIATE_EXTENDED_SESSIONSECURITY)