├── .github └── FUNDING.yml ├── LICENSE ├── Pcredz ├── Readme.md ├── dockerfile └── logs └── .gitignore /.github/FUNDING.yml: -------------------------------------------------------------------------------- 1 | github: lgandx 2 | patreon: PythonResponder 3 | custom: 'https://paypal.me/PythonResponder' 4 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 3, 29 June 2007 3 | 4 | Copyright (C) 2007 Free Software Foundation, Inc. 5 | Everyone is permitted to copy and distribute verbatim copies 6 | of this license document, but changing it is not allowed. 7 | 8 | Preamble 9 | 10 | The GNU General Public License is a free, copyleft license for 11 | software and other kinds of works. 12 | 13 | The licenses for most software and other practical works are designed 14 | to take away your freedom to share and change the works. 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It is safest 630 | to attach them to the start of each source file to most effectively 631 | state the exclusion of warranty; and each file should have at least 632 | the "copyright" line and a pointer to where the full notice is found. 633 | 634 | 635 | Copyright (C) 636 | 637 | This program is free software: you can redistribute it and/or modify 638 | it under the terms of the GNU General Public License as published by 639 | the Free Software Foundation, either version 3 of the License, or 640 | (at your option) any later version. 641 | 642 | This program is distributed in the hope that it will be useful, 643 | but WITHOUT ANY WARRANTY; without even the implied warranty of 644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 645 | GNU General Public License for more details. 646 | 647 | You should have received a copy of the GNU General Public License 648 | along with this program. If not, see . 649 | 650 | Also add information on how to contact you by electronic and paper mail. 651 | 652 | If the program does terminal interaction, make it output a short 653 | notice like this when it starts in an interactive mode: 654 | 655 | Copyright (C) 656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 657 | This is free software, and you are welcome to redistribute it 658 | under certain conditions; type `show c' for details. 659 | 660 | The hypothetical commands `show w' and `show c' should show the appropriate 661 | parts of the General Public License. Of course, your program's commands 662 | might be different; for a GUI interface, you would use an "about box". 663 | 664 | You should also get your employer (if you work as a programmer) or school, 665 | if any, to sign a "copyright disclaimer" for the program, if necessary. 666 | For more information on this, and how to apply and follow the GNU GPL, see 667 | . 668 | 669 | The GNU General Public License does not permit incorporating your program 670 | into proprietary programs. If your program is a subroutine library, you 671 | may consider it more useful to permit linking proprietary applications with 672 | the library. If this is what you want to do, use the GNU Lesser General 673 | Public License instead of this License. But first, please read 674 | . 675 | 676 | -------------------------------------------------------------------------------- /Pcredz: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env python3 2 | # Pcredz 2.0.2 3 | # Created by Laurent Gaffie 4 | # 5 | # This program is free software: you can redistribute it and/or modify 6 | # it under the terms of the GNU General Public License as published by 7 | # the Free Software Foundation, either version 3 of the License, or 8 | # (at your option) any later version. 9 | # 10 | # This program is distributed in the hope that it will be useful, 11 | # but WITHOUT ANY WARRANTY; without even the implied warranty of 12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 | # GNU General Public License for more details. 14 | # 15 | # You should have received a copy of the GNU General Public License 16 | # along with this program. If not, see . 17 | import sys 18 | if (sys.version_info > (3, 0)): 19 | PY2OR3 = "PY3" 20 | else: 21 | sys.exit("This version only supports python3.\nTry python3 ./Pcredz") 22 | try: 23 | import pylibpcap as pcap 24 | from pylibpcap.pcap import rpcap 25 | except ImportError: 26 | print("libpcap not installed.\ntry : apt install python3-pip && sudo apt-get install libpcap-dev && pip3 install Cython && pip3 install python-libpcap") 27 | exit() 28 | 29 | import logging 30 | import argparse 31 | import os 32 | import re 33 | import socket 34 | import struct 35 | import subprocess 36 | import threading 37 | import time 38 | import codecs 39 | from base64 import b64decode 40 | from threading import Thread 41 | 42 | PcredzVersion='2.0.2' 43 | 44 | def ShowWelcome(): 45 | Message = f'Pcredz {PcredzVersion}\n\nAuthor: Laurent Gaffie \n\nThis script will extract NTLM (HTTP,LDAP,SMB,MSSQL,RPC, etc), Kerberos,\nFTP, HTTP Basic and credit card data from a given pcap file or from a live interface.\n' 46 | print(Message) 47 | 48 | parser = argparse.ArgumentParser(description=f'Pcredz {PcredzVersion}\nAuthor: Laurent Gaffie') 49 | m_group=parser.add_mutually_exclusive_group() 50 | m_group.add_argument('-f', type=str, dest="fname", default=None, help="Pcap file to parse") 51 | m_group.add_argument('-d', type=str, dest="dir_path", default=None, help="Pcap directory to parse recursivly") 52 | m_group.add_argument('-i', type=str, dest="interface", default=None, help="interface for live capture") 53 | parser.add_argument('-c', action="store_false", dest="activate_cc", default=True, help="deactivate CC number scanning (Can gives false positives!)") 54 | parser.add_argument('-t', action="store_true", dest="timestamp", help="Include a timestamp in all generated messages (useful for correlation)") 55 | parser.add_argument('-v', action="store_true", dest="Verbose", help="More verbose.") 56 | parser.add_argument('-o', type=str, dest="output_path", default=os.path.abspath(os.path.join(os.path.dirname(__file__)))+"/", help="output directory") 57 | 58 | options = parser.parse_args() 59 | 60 | if options.fname is None and options.dir_path is None and options.interface is None: 61 | print('\n\033[1m\033[31m -f or -d or -i mandatory option missing.\033[0m\n') 62 | parser.print_help() 63 | exit(-1) 64 | 65 | ShowWelcome() 66 | Verbose = options.Verbose 67 | fname = options.fname 68 | dir_path = options.dir_path 69 | interface = options.interface 70 | activate_cc = options.activate_cc 71 | timestamp = options.timestamp 72 | start_time = time.time() 73 | 74 | PcredzPath = options.output_path 75 | if not PcredzPath.endswith('/'): 76 | PcredzPath += '/' 77 | Filename = PcredzPath+"CredentialDump-Session.log" 78 | l= logging.getLogger('Credential-Session') 79 | l.addHandler(logging.FileHandler(Filename,'a')) 80 | 81 | # Function used to write captured hashs to a file. 82 | def WriteData(outfile, data, user): 83 | outfile = PcredzPath+outfile 84 | if type(user) is str: 85 | user = user.encode('latin-1') 86 | if not os.path.isfile(outfile): 87 | if not os.path.isdir(os.path.dirname(outfile)): 88 | os.makedirs(os.path.dirname(outfile)) 89 | with open(outfile,"w") as outf: 90 | outf.write(data + '\n') 91 | return 92 | with open(outfile,"r") as filestr: 93 | if re.search(codecs.encode(user,'hex'), codecs.encode(filestr.read().encode('latin-1'),'hex')): 94 | return False 95 | with open(outfile,"a") as outf2: 96 | outf2.write(data + '\n') 97 | 98 | if activate_cc: 99 | print("CC number scanning activated\n") 100 | else: 101 | print("CC number scanning is deactivated\n") 102 | 103 | def PrintPacket(Filename,Message): 104 | if Verbose == True: 105 | return True 106 | if os.path.isfile(Filename) == True: 107 | with open(Filename,"r") as filestr: 108 | if re.search(re.escape(Message), filestr.read()): 109 | filestr.close() 110 | return False 111 | else: 112 | return True 113 | else: 114 | return True 115 | 116 | def IsCookedPcap(version): 117 | Cooked = re.search(b'Linux \"?cooked\"?', version) 118 | TcpDump = re.search(b'Ethernet', version) 119 | Wifi = re.search(b'802.11', version) 120 | if Wifi: 121 | print("Using 802.11 format\n") 122 | return 1 123 | if Cooked: 124 | print("Using Linux Cooked format\n") 125 | return 2 126 | if TcpDump: 127 | print("Using TCPDump format\n") 128 | return 3 129 | else: 130 | print("Unknown format, trying TCPDump format\n") 131 | return 3 132 | 133 | protocols = {6:'tcp', 134 | 17:'udp', 135 | 1:'icmp', 136 | 2:'igmp', 137 | 3:'ggp', 138 | 4:'ipcap', 139 | 5:'ipstream', 140 | 8:'egp', 141 | 9:'igrp', 142 | 29:'ipv6oipv4', 143 | } 144 | 145 | def luhn(n): 146 | r = [int(ch) for ch in str(n)][::-1] 147 | return (sum(r[0::2]) + sum(sum(divmod(d*2,10)) for d in r[1::2])) % 10 == 0 148 | 149 | def Is_Anonymous(data): 150 | LMhashLen = struct.unpack(' 0: 180 | SSPIStart = data[:] 181 | LMhashLen = struct.unpack(' 60: 200 | NtHash = codecs.encode(SSPIStart[NthashOffset:NthashOffset+NthashLen],"hex").upper() 201 | DomainLen = struct.unpack('1: 318 | if Basestr.decode('ascii'): 319 | WriteData("logs/SMTP-Plaintext.txt", Basestr.decode('latin-1'), Basestr.decode('latin-1')) 320 | return 'SMTP decoded Base64 string: %s\n'%(Basestr.decode('latin-1')) 321 | except: 322 | pass 323 | 324 | def ParseSqlClearTxtPwd(Pwd): 325 | Pwd = Pwd.decode('latin-1') 326 | Pwd = map(ord,Pwd.replace('\xa5','')) 327 | Pw = b'' 328 | for x in Pwd: 329 | Pw += codecs.decode(hex(x ^ 0xa5)[::-1][:2].replace("x", "0"), 'hex') 330 | return Pw.decode('latin-1') 331 | 332 | def ParseMSSQLPlainText(data): 333 | UsernameOffset = struct.unpack('> 4 346 | d['header_len']=s[0] & 0x0f 347 | d['tos']=s[1] 348 | d['total_len']=socket.ntohs(struct.unpack('H',s[2:4])[0]) 349 | d['id']=socket.ntohs(struct.unpack('H',s[4:6])[0]) 350 | d['flags']=(s[6] & 0xe0) >> 5 351 | d['fragment_offset']=socket.ntohs(struct.unpack('H',s[6:8])[0] & 0x1f) 352 | d['ttl']=s[8] 353 | d['protocol']=s[9] 354 | #d['checksum']=socket.ntohs(struct.unpack('H',s[10:12])[0]) 355 | d['source_address']=socket.inet_ntoa(s[12:16]) 356 | d['destination_address']=socket.inet_ntoa(s[16:20]) 357 | if d['header_len']>5: 358 | d['options']=s[20:4*(d['header_len']-5)] 359 | else: 360 | d['options']=None 361 | d['data']=s[4*d['header_len']:] 362 | return d 363 | 364 | def Decode_Ipv6_Packet(s): 365 | d={} 366 | d['version']=(s[0] & 0xf0) >> 4 367 | d['nxthdr']=s[6] 368 | d['plen']=struct.unpack("!h", s[4:6])[0] 369 | d['source_address']="[" +socket.inet_ntop(socket.AF_INET6, s[8:24]) + "]" 370 | d['destination_address']="[" +socket.inet_ntop(socket.AF_INET6, s[24:40]) + "]" 371 | d['protocol']=s[6] 372 | d['data']=s[40:] 373 | return d 374 | 375 | def Print_Packet_Details(decoded,SrcPort,DstPort): 376 | if timestamp: 377 | ts = '[%f] ' % time.time() 378 | else: 379 | ts = '' 380 | try: 381 | return '%sprotocol: %s %s:%s > %s:%s' % (ts, protocols[decoded['protocol']],decoded['source_address'],SrcPort, 382 | decoded['destination_address'], DstPort) 383 | except: 384 | return '%s%s:%s > %s:%s' % (ts, decoded['source_address'],SrcPort, 385 | decoded['destination_address'], DstPort) 386 | 387 | 388 | def ParseDataRegex(decoded, SrcPort, DstPort): 389 | HTTPUser = None 390 | HTTPass = None 391 | HTTPusername = re.search(b'log|login|wpname|ahd_username|unickname|nickname|user|user_name|alias|pseudo|email|username|_username|userid|form_loginname|loginname|login_id|loginid|session_key|sessionkey|pop_login|uid|id|user_id|screename|uname|ulogin|acctname|account|member|mailaddress|membername|login_username|login_email|loginusername|loginemail|uin|sign-in|j_username', decoded['data']) 392 | if HTTPusername: 393 | user = re.findall(b'(%s=[^&]+)' % HTTPusername.group(0), decoded['data'], re.IGNORECASE) 394 | if user: 395 | HTTPUser = user 396 | 397 | HTTPPasswd = re.search(b'ahd_password|pass|password|_password|passwd|session_password|sessionpassword|login_password|loginpassword|form_pw|pw|userpassword|pwd|upassword|login_passwordpasswort|passwrd|wppassword|upasswd|j_password', decoded['data']) 398 | if HTTPPasswd: 399 | passw = re.findall(b'(%s=[^&]+)' % HTTPPasswd.group(0), decoded['data'], re.IGNORECASE) 400 | if passw: 401 | HTTPass = passw 402 | 403 | HTTPNegotiateAuthz = re.findall(b'(?<=Authorization: Negotiate )[^\\r]*', decoded['data']) 404 | try: 405 | if HTTPNegotiateAuthz: 406 | decoded['data'] = b64decode(b''.join(HTTPNegotiateAuthz)) 407 | except: 408 | pass 409 | 410 | HTTPNegotiateWWW = re.findall(b'(?<=WWW-Authenticate: Negotiate )[^\\r]*', decoded['data']) 411 | try: 412 | if HTTPNegotiateWWW: 413 | decoded['data'] = b64decode(b''.join(HTTPNegotiateWWW)) 414 | except: 415 | pass 416 | 417 | SMTPAuth = re.search(b'AUTH LOGIN|AUTH PLAIN', decoded['data']) 418 | Basic64 = re.findall(b'(?<=Authorization: Basic )[^\n]*', decoded['data']) 419 | FTPUser = re.findall(b'(?<=USER )[^\r]*', decoded['data']) 420 | FTPPass = re.findall(b'(?<=PASS )[^\r]*', decoded['data']) 421 | HTTPNTLM2 = re.findall(b'(?<=WWW-Authenticate: NTLM )[^\\r]*', decoded['data']) 422 | HTTPNTLM3 = re.findall(b'(?<=Authorization: NTLM )[^\\r]*', decoded['data']) 423 | NTLMSSP1 = re.findall(b'NTLMSSP\x00\x01\x00\x00\x00.*[^EOF]*', decoded['data']) 424 | NTLMSSP2 = re.findall(b'NTLMSSP\x00\x02\x00\x00\x00.*[^EOF]*', decoded['data'],re.DOTALL) 425 | NTLMSSP3 = re.findall(b'NTLMSSP\x00\x03\x00\x00\x00.*[^EOF]*', decoded['data'],re.DOTALL) 426 | 427 | CTX1_USR = re.findall(b'(.*?)', decoded['data']) 428 | CTX1_PWD = re.findall(b'(.*?)', decoded['data']) 429 | 430 | if CTX1_USR and CTX1_PWD: 431 | HeadMessage = Print_Packet_Details(decoded,SrcPort,DstPort) 432 | try: 433 | CTX1_USR = CTX1_USR[0] 434 | CTX1_PWD = ParseCTX1Hash(CTX1_PWD[0]) 435 | CTX1_CREDS = CTX1_USR + ':' + CTX1_PWD 436 | Message = 'Found CTX1 encoded password: %s\n'%CTX1_CREDS 437 | print(HeadMessage + '\n' + Message) 438 | except: 439 | pass 440 | 441 | if activate_cc: 442 | CCMatch = re.findall(rb'.{30}[^\d][3456][0-9]{3}[\s-]*[0-9]{4}[\s-]*[0-9]{4}[\s-]*[0-9]{4}[^\d]', decoded['data'],re.DOTALL) 443 | CC = re.findall(rb'[^\d][456][0-9]{3}[\s-]*[0-9]{4}[\s-]*[0-9]{4}[\s-]*[0-9]{4}[^\d]', decoded['data']) 444 | else: 445 | CCMatch = False 446 | CC = False 447 | if Basic64: 448 | basic = b''.join(Basic64) 449 | HeadMessage = Print_Packet_Details(decoded,SrcPort,DstPort) 450 | try: 451 | Message = 'Found HTTP Basic authentication: %s\n'%(b64decode(basic).decode('latin-1')) 452 | WriteData("logs/HTTP-Basic.txt", Message, Message) 453 | if PrintPacket(Filename,Message): 454 | l.warning(HeadMessage) 455 | l.warning(Message) 456 | print(HeadMessage+'\n'+Message) 457 | except: 458 | pass 459 | 460 | if DstPort == 1433 and decoded['data'][20:22]== b"\x10\x01" and len(NTLMSSP1) <=0: 461 | HeadMessage = Print_Packet_Details(decoded,SrcPort,DstPort) 462 | Message = ParseMSSQLPlainText(decoded['data'][20:]) 463 | if PrintPacket(Filename,Message): 464 | l.warning(HeadMessage) 465 | l.warning(Message) 466 | print(HeadMessage+'\n'+Message) 467 | 468 | if DstPort == 88 and protocols[decoded['protocol']] == 'tcp': 469 | if len(decoded['data'][20:]) > 20: 470 | Message = ParseMSKerbv5TCP(decoded['data'][20:]) 471 | if Message: 472 | HeadMessage = Print_Packet_Details(decoded,SrcPort,DstPort) 473 | if PrintPacket(Filename,Message[1]): 474 | l.warning(HeadMessage) 475 | l.warning(Message[0]) 476 | print(HeadMessage+'\n'+Message[0]) 477 | 478 | if DstPort == 88 and protocols[decoded['protocol']] == 'udp': 479 | Message = ParseMSKerbv5UDP(decoded['data'][8:]) 480 | if Message: 481 | HeadMessage = Print_Packet_Details(decoded,SrcPort,DstPort) 482 | if PrintPacket(Filename,Message[1]): 483 | l.warning(HeadMessage) 484 | l.warning(Message[0]) 485 | print(HeadMessage+'\n'+Message[0]) 486 | 487 | if DstPort == 161: 488 | Message = ParseSNMP(decoded['data'][8:]) 489 | if Message: 490 | HeadMessage = Print_Packet_Details(decoded,SrcPort,DstPort) 491 | if PrintPacket(Filename,Message): 492 | l.warning(HeadMessage) 493 | l.warning(Message) 494 | print(HeadMessage+'\n'+Message) 495 | 496 | if DstPort == 143: 497 | IMAPAuth = re.findall(b'(?<=LOGIN \")[^\r]*', decoded['data']) 498 | if IMAPAuth: 499 | HeadMessage = Print_Packet_Details(decoded,SrcPort,DstPort) 500 | Message = 'Found IMAP login: "%s"\n'%(''.join(IMAPAuth[0].decode('latin-1'))) 501 | WriteData("logs/IMAP-Plaintext.txt", Message, Message) 502 | if PrintPacket(Filename,Message): 503 | l.warning(HeadMessage) 504 | l.warning(Message) 505 | print(HeadMessage+'\n'+Message) 506 | 507 | if DstPort == 110: 508 | if FTPUser: 509 | global POPUser 510 | POPUser = b''.join(FTPUser) 511 | if FTPPass: 512 | try: 513 | POPUser 514 | HeadMessage = Print_Packet_Details(decoded,SrcPort,DstPort) 515 | Message = 'Found POP credentials %s:%s\n'%(POPUser.decode('latin-1'), b''.join(FTPPass).decode('latin-1')) 516 | WriteData("logs/POP-Plaintext.txt", Message, Message) 517 | del POPUser 518 | if PrintPacket(Filename,Message): 519 | l.warning(HeadMessage) 520 | l.warning(Message) 521 | print(HeadMessage+'\n'+Message) 522 | except NameError: 523 | pass 524 | #let's look on any ports. 525 | #if DstPort == 80: 526 | if (HTTPUser and HTTPass): 527 | try: 528 | host = re.findall(b"(Host: [^\n]+)", decoded['data']) 529 | get_path = re.findall(b"(GET [^\n]+)", decoded['data']) 530 | post_path = re.findall(b"(POST [^\n]+)", decoded['data']) 531 | HeadMessage = Print_Packet_Details(decoded,SrcPort,DstPort) 532 | Message = 'Found possible HTTP authentication %s:%s\n' % (HTTPUser[0].decode('latin-1'), HTTPass[0].decode('latin-1')) 533 | WriteData("logs/HTTP-Login-Forms.txt", Message, Message) 534 | 535 | if host: 536 | Message += '%s\n' % host[0].decode('latin-1').strip('\r') 537 | if get_path: 538 | Message += 'Full path: %s\n' % get_path[0].decode('latin-1').strip('\r') 539 | if post_path: 540 | Message += 'Full path: %s\n' % post_path[0].decode('latin-1').strip('\r') 541 | if PrintPacket(Filename,Message): 542 | l.warning(HeadMessage) 543 | l.warning(Message) 544 | print(HeadMessage+'\n'+Message) 545 | except: 546 | pass 547 | 548 | if DstPort == 25 and SMTPAuth or DstPort == 587 and SMTPAuth: 549 | global SMTPAuthentication 550 | SMTPAuthentication = '1' 551 | 552 | if DstPort == 25 or DstPort == 587: 553 | try: 554 | SMTPAuthentication 555 | Message = ParseSMTP(decoded['data'][20:]) 556 | if Message: 557 | HeadMessage = Print_Packet_Details(decoded,SrcPort,DstPort) 558 | #del SMTPAuthentication (Not needed in this case.) 559 | if PrintPacket(Filename,Message): 560 | l.warning(HeadMessage) 561 | l.warning(Message) 562 | print(HeadMessage+'\n'+Message) 563 | except NameError: 564 | pass 565 | 566 | if FTPUser: 567 | global UserID 568 | UserID = b''.join(FTPUser) 569 | 570 | if FTPPass and DstPort == 21: 571 | try: 572 | HeadMessage = Print_Packet_Details(decoded,SrcPort,DstPort) 573 | Message = 'FTP User: %s\n'%(UserID.decode('latin-1')) 574 | Message+= 'FTP Pass: %s\n'%(b''.join(FTPPass).decode('latin-1')) 575 | WriteData("logs/FTP-Plaintext.txt", Message, Message) 576 | del UserID 577 | if PrintPacket(Filename,Message): 578 | l.warning(HeadMessage) 579 | l.warning(Message) 580 | print(HeadMessage+'\n'+Message) 581 | except: 582 | pass 583 | 584 | if SrcPort == 445: 585 | SMBRead_passfields = re.search(b'cpassword|password|passwd', decoded['data'],re.IGNORECASE) 586 | SMBRead_userfields = re.search(b'Administrator|user|email|username', decoded['data'],re.IGNORECASE) 587 | if SMBRead_passfields: 588 | smbpassw = re.findall(b'(?<=%s)[^\\r]*'%(SMBRead_passfields.group(0)), decoded['data'], re.IGNORECASE) 589 | if smbpassw: 590 | Message = "Found a password in an SMB read operation:\n[%s]\n"%(decoded['data'][95:].decode('latin-1')) 591 | HeadMessage = Print_Packet_Details(decoded,SrcPort,DstPort) 592 | if PrintPacket(Filename,Message): 593 | l.warning(HeadMessage) 594 | l.warning(Message) 595 | print(HeadMessage+'\n'+Message) 596 | 597 | if SMBRead_userfields: 598 | smbuser = re.findall(b'(?<=%s)[^\\r]*'%(SMBRead_userfields.group(0)), decoded['data'], re.IGNORECASE) 599 | if smbuser: 600 | Message = "Found a username in an SMB read operation:\n%s\n"%(decoded['data'][95:].decode('latin-1')) 601 | HeadMessage = Print_Packet_Details(decoded,SrcPort,DstPort) 602 | if PrintPacket(Filename,Message): 603 | l.warning(HeadMessage) 604 | l.warning(Message) 605 | print(HeadMessage+'\n'+Message) 606 | 607 | 608 | if NTLMSSP2: 609 | global Chall 610 | Chall = codecs.encode(b''.join(NTLMSSP2)[24:32],'hex') 611 | 612 | if NTLMSSP3: 613 | try: 614 | NTLMPacket = b''.join(NTLMSSP3) 615 | if Is_Anonymous(NTLMPacket): 616 | HeadMessage = Print_Packet_Details(decoded,SrcPort,DstPort) 617 | Message = ParseNTLMHash(NTLMPacket,Chall) 618 | del Chall 619 | if PrintPacket(Filename,Message[1]): 620 | l.warning(HeadMessage) 621 | l.warning(Message[0]) 622 | print(HeadMessage+'\n'+Message[0]) 623 | except: 624 | pass 625 | 626 | if HTTPNTLM2: 627 | try: 628 | Packet = b64decode(b''.join(HTTPNTLM2)) 629 | global HTTPChall 630 | if re.findall(b'NTLMSSP\x00\x02\x00\x00\x00.*[^EOF]*', Packet,re.DOTALL): 631 | HTTPChall = codecs.encode(Packet[24:32],'hex') 632 | except: 633 | pass 634 | 635 | if HTTPNTLM3: 636 | try: 637 | Packet = b64decode(b''.join(HTTPNTLM3)) 638 | if re.findall(b'NTLMSSP\x00\x03\x00\x00\x00.*[^EOF]*', Packet,re.DOTALL): 639 | if Is_Anonymous(Packet): 640 | try: 641 | HTTPChall 642 | except NameError: 643 | pass 644 | else: 645 | HeadMessage = Print_Packet_Details(decoded,SrcPort,DstPort) 646 | Message = ParseNTLMHash(Packet,HTTPChall) 647 | del HTTPChall 648 | if PrintPacket(Filename,Message[1]): 649 | l.warning(HeadMessage) 650 | l.warning(Message[0]) 651 | print(HeadMessage+'\n'+Message[0]) 652 | except: 653 | pass 654 | 655 | if CC: 656 | CreditCard = re.sub(rb"\D", b"", b''.join(CC).strip()) 657 | CMatch = b''.join(CCMatch).strip() 658 | if len(CreditCard)<=16: 659 | if luhn(CreditCard.decode('latin-1')): 660 | HeadMessage = Print_Packet_Details(decoded,SrcPort,DstPort) 661 | MessageCC = 'Possible valid CC (Luhn check OK): %s\n'%(CreditCard.decode('latin-1')) 662 | MessageMatch= 'Please verify this match ( %s )\n'%('\033[1m\033[31m'+CMatch.decode('latin-1')+'\033[0m') 663 | if PrintPacket(Filename,MessageCC): 664 | l.warning(HeadMessage) 665 | l.warning(MessageCC+MessageMatch) 666 | print(HeadMessage+'\n'+MessageCC+'\n'+MessageMatch) 667 | else: 668 | pass 669 | 670 | def Print_Packet_Cooked(pktlen, timestamp, data): 671 | if not data: 672 | return 673 | if data[14:16]== b'\x08\x00': 674 | decoded=Decode_Ip_Packet(data[16:]) 675 | SrcPort = struct.unpack('>H',decoded['data'][0:2])[0] 676 | DstPort = struct.unpack('>H',decoded['data'][2:4])[0] 677 | ParseDataRegex(decoded, SrcPort, DstPort) 678 | 679 | if data[14:16]== b'\x86\xdd': 680 | decoded=Decode_Ipv6_Packet(data[16:]) 681 | SrcPort = struct.unpack('>H',decoded['data'][0:2])[0] 682 | DstPort = struct.unpack('>H',decoded['data'][2:4])[0] 683 | ParseDataRegex(decoded, SrcPort, DstPort) 684 | 685 | 686 | def Print_Packet_800dot11(pktlen, timestamp, data): 687 | if not data: 688 | return 689 | if data[32:34]== b'\x08\x00': 690 | decoded=Decode_Ip_Packet(data[34:]) 691 | SrcPort = struct.unpack('>H',decoded['data'][0:2])[0] 692 | DstPort = struct.unpack('>H',decoded['data'][2:4])[0] 693 | ParseDataRegex(decoded, SrcPort, DstPort) 694 | 695 | if data[32:34]== b'\x86\xdd': 696 | decoded=Decode_Ipv6_Packet(data[34:]) 697 | SrcPort = struct.unpack('>H',decoded['data'][0:2])[0] 698 | DstPort = struct.unpack('>H',decoded['data'][2:4])[0] 699 | ParseDataRegex(decoded, SrcPort, DstPort) 700 | 701 | def Print_Packet_Tcpdump(pktlen, timestamp, data): 702 | if not data: 703 | return 704 | if data[12:14]== b'\x08\x00': 705 | decoded= Decode_Ip_Packet(data[14:]) 706 | if len(decoded['data']) >= 2: 707 | SrcPort= struct.unpack('>H',decoded['data'][0:2])[0] 708 | else: 709 | SrcPort = 0 710 | if len(decoded['data']) > 2: 711 | DstPort = struct.unpack('>H',decoded['data'][2:4])[0] 712 | else: 713 | DstPort = 0 714 | ParseDataRegex(decoded, SrcPort, DstPort) 715 | 716 | if data[12:14]== b'\x86\xdd': 717 | decoded= Decode_Ipv6_Packet(data[14:]) 718 | if len(decoded['data']) >= 2: 719 | SrcPort= struct.unpack('>H',decoded['data'][0:2])[0] 720 | else: 721 | SrcPort = 0 722 | if len(decoded['data']) > 2: 723 | DstPort = struct.unpack('>H',decoded['data'][2:4])[0] 724 | ParseDataRegex(decoded, SrcPort, DstPort) 725 | 726 | def loop_packets(pcap_object, func): 727 | for x in pcap_object: 728 | func(x[0], x[1], x[2]) 729 | 730 | 731 | def decode_file(fname,res): 732 | if interface != None: 733 | try: 734 | from pylibpcap.pcap import Sniff 735 | Message = "Pcredz live capture started, using: %s\nStarting timestamp (%s) corresponds to %s"%(interface, time.time(), time.strftime('%x %X')) 736 | print(Message) 737 | l.warning(Message) 738 | p = Sniff(interface, count=-1, promisc=1) 739 | for plen, t, buf in p.capture(): 740 | Print_Packet_Tcpdump(plen, t, buf) 741 | 742 | except (KeyboardInterrupt, SystemExit): 743 | print("\n\nCRTL-C hit..Cleaning up...") 744 | threading.Event().set() 745 | 746 | else: 747 | try: 748 | p = rpcap(fname) 749 | l.warning('\n\nPcredz started, using:%s file'%(fname)) 750 | Version = IsCookedPcap(res) 751 | if Version == 1: 752 | thread = Thread(target = loop_packets, args = (p, Print_Packet_800dot11)) 753 | thread.daemon=True 754 | thread.start() 755 | try: 756 | while thread.is_alive(): 757 | thread.join(timeout=1) 758 | except (KeyboardInterrupt, SystemExit): 759 | print("\n\nCRTL-C hit..Cleaning up...") 760 | threading.Event().set() 761 | if Version == 2: 762 | thread = Thread(target = loop_packets, args = (p, Print_Packet_Cooked)) 763 | thread.daemon=True 764 | thread.start() 765 | try: 766 | while thread.is_alive(): 767 | thread.join(timeout=1) 768 | except (KeyboardInterrupt, SystemExit): 769 | print("\n\nCRTL-C hit..Cleaning up...") 770 | threading.Event().set() 771 | if Version == 3: 772 | thread = Thread(target = loop_packets, args = (p, Print_Packet_Tcpdump)) 773 | thread.daemon=True 774 | thread.start() 775 | try: 776 | while thread.is_alive(): 777 | thread.join(timeout=1) 778 | except (KeyboardInterrupt, SystemExit): 779 | print("\n\nCRTL-C hit..Cleaning up...") 780 | threading.Event().set() 781 | 782 | except Exception: 783 | print("Can\'t parse %s"%(fname)) 784 | sys.exit(1) 785 | 786 | def Run(): 787 | try: 788 | if dir_path != None: 789 | for root, dirs, files in os.walk(dir_path, topdown=False): 790 | for capfile in files: 791 | FilePath = os.path.join(root, capfile) 792 | Start_Time = time.time() 793 | print("\nParsing: %s"%(FilePath)) 794 | p = subprocess.Popen(["file", FilePath], stdout=subprocess.PIPE) 795 | res, err = p.communicate() 796 | decode_file(FilePath,res) 797 | Seconds = time.time() - Start_Time 798 | FileSize = 'File size %.3g Mo'%(os.stat(FilePath).st_size/(1024*1024.0)) 799 | if Seconds >= 60: 800 | minutes = Seconds/60 801 | Message = '\n%s parsed in: %.3g minutes (%s).\n'%(FilePath, minutes, FileSize) 802 | print(Message) 803 | l.warning(Message) 804 | else: 805 | Message = '\n%s parsed in: %.3g seconds (%s).\n'%(FilePath, Seconds, FileSize) 806 | print(Message) 807 | l.warning(Message) 808 | 809 | if fname != None: 810 | p = subprocess.Popen(["file", fname], stdout=subprocess.PIPE) 811 | res, err = p.communicate() 812 | decode_file(fname,res) 813 | Seconds = time.time() - start_time 814 | FileSize = 'File size %.3g Mo'%(os.stat(fname).st_size/(1024*1024.0)) 815 | if Seconds >= 60: 816 | minutes = Seconds/60 817 | Message = '\n%s parsed in: %.3g minutes (%s).\n'%(fname, minutes, FileSize) 818 | print(Message) 819 | l.warning(Message) 820 | else: 821 | Message = '\n%s parsed in: %.3g seconds (%s).\n'%(fname, Seconds, FileSize) 822 | print(Message) 823 | l.warning(Message) 824 | 825 | if interface != None: 826 | decode_file(fname,'') 827 | 828 | except: 829 | raise 830 | 831 | Run() 832 | -------------------------------------------------------------------------------- /Readme.md: -------------------------------------------------------------------------------- 1 | # PCredz 2 | 3 | This tool extracts Credit card numbers, NTLM(DCE-RPC, HTTP, SQL, LDAP, etc), Kerberos (AS-REQ Pre-Auth etype 23), HTTP Basic, SNMP, POP, SMTP, FTP, IMAP, etc from a pcap file or from a live interface. 4 | 5 | ## Features 6 | 7 | - Extract from a pcap file or from a live interface IPv4 and IPv6: 8 | - Credit card numbers 9 | - POP 10 | - SMTP 11 | - IMAP 12 | - SNMP community string 13 | - FTP 14 | - HTTP (NTLM/Basic/HTTP Forms) 15 | - NTLMv1/v2 (DCE-RPC,SMBv1/2,LDAP, MSSQL, HTTP, etc) 16 | - Kerberos (AS-REQ Pre-Auth etype 23) hashes. 17 | 18 | - All hashes are displayed in a hashcat format (use -m 7500 for kerberos, -m 5500 for NTLMv1, -m 5600 for NTLMv2). 19 | - Log all credentials and information to a file (CredentialDump-Session.log). 20 | - Log credentials in the logs/ folder. MSKerb.txt, NTLMv1.txt and NTLMv2.txt can be directly fed to hashcat. 21 | 22 | ## Install 23 | 24 | ### Docker 25 | Install docker and clone the repo 26 | 27 | Build the container 28 | ```bash 29 | $ docker build . -t pcredz 30 | ``` 31 | 32 | Then use the command below to map the current working directory inside the Pcredz container. This is useful for moving .pcap files to parse or for retrieving log files from a live capture. 33 | ```bash 34 | $ docker run --net=host -v $(pwd):/opt/Pcredz -it pcredz 35 | ``` 36 | 37 | ### Linux 38 | 39 | On a debian based OS bash: 40 | 41 | ```bash 42 | apt install python3-pip && sudo apt install libpcap-dev && sudo apt install file && pip3 install Cython && pip3 install python-libpcap 43 | ``` 44 | 45 | ## Usage 46 | 47 | ``` 48 | # extract credentials from a pcap file 49 | python3 ./Pcredz -f file-to-parse.pcap 50 | 51 | # extract credentials from all pcap files in a folder 52 | python3 ./Pcredz -d /tmp/pcap-directory-to-parse/ 53 | 54 | # extract credentials from a live packet capture on a network interface (need root privileges) 55 | python3 ./Pcredz -i eth0 -v 56 | ``` 57 | 58 | ### Options 59 | 60 | ``` 61 | -h, --help show this help message and exit 62 | -f capture.pcap Pcap file to parse 63 | -d /home/pnt/pcap/ Pcap directory to parse recursivly 64 | -i eth0 interface for live capture 65 | -v More verbose. 66 | -o output_dir Store log files in output_dir instead of the directory containing Pcredz. 67 | ``` 68 | 69 | -------------------------------------------------------------------------------- /dockerfile: -------------------------------------------------------------------------------- 1 | # syntax=docker/dockerfile:1 2 | #FROM debian:buster-slim 3 | FROM python:3.7.15-slim-buster 4 | 5 | # Install apt packages 6 | RUN apt update 7 | RUN apt install python3 \ 8 | python3-pip \ 9 | libpcap-dev \ 10 | file \ 11 | nano \ 12 | iproute2 \ 13 | git \ 14 | bash \ 15 | bash-doc \ 16 | bash-completion -y 17 | 18 | # Create python symlink 19 | RUN ln -s /usr/bin/python3 /usr/bin/python 20 | 21 | # Install python things 22 | RUN python -m pip install Cython 23 | RUN python -m pip install python-libpcap 24 | 25 | # Change our shell to /bin/bash 26 | RUN sed -i '/root/s/ash/bash/g' /etc/passwd 27 | CMD ["/bin/bash"] 28 | 29 | # Make directory 30 | RUN mkdir /opt/Pcredz 31 | 32 | # Copy Pcredz files 33 | COPY Pcredz /opt/Pcredz/ 34 | COPY logs /opt/Pcredz/logs 35 | 36 | WORKDIR /opt/Pcredz/ 37 | -------------------------------------------------------------------------------- /logs/.gitignore: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/lgandx/PCredz/5be7df84e6241a59c44e591283764bc4256a7bdf/logs/.gitignore --------------------------------------------------------------------------------