john.py

#!/usr/bin/python
'''
@author: Matthew C. Jones, CPA, CISA, OSCP
IS Audits & Consulting, LLC
TJS Deemer Dana LLP

Automation script for running a series of transforms in John The Ripper against
a password hash file.

Acceptable inputs include pwdump and metasploit (eg. netntlmv2)
'''
import sys
import argparse
import subprocess
import shutil

def cleanup_routine():
    '''Cleanup old files and processes'''
    
    try:
        # Delete old temp files if the user wants to; default to leave old files
        response = raw_input("\nDelete old JTR session data (enter no if you want to keep old hashes, etc)? [no]")
        if "y" in response or "Y" in response:
            print("Deleting temp files...\n")
            shutil.rmtree("~/.john", True)
        else:             
            pass

    except:
        pass


def main(argv):
    
    parser = argparse.ArgumentParser(description='Automation script for JTR hash cracking.')
    parser.add_argument("infile", action="store", help="Input file containing hashes")
    parser.add_argument("--hashtype", "--t", action="store", help='Optional hash type (lm, nt, netntlmv2; defaults to nt)')
    args = parser.parse_args()
    
    inputfile = args.infile
    hashtype = args.hashtype
    wordlistdir = "~/hacking/dictionaries/"
    
    if hashtype == None:
        hashtype="nt"
    
    print "cleaning old JTR sessions"
    
    subprocess.Popen("john --single --format="+hashtype+" " + inputfile, shell=True).wait()
    subprocess.Popen("john --wordlist="+wordlistdir+"wordlists/numbers.txt --rules --format="+hashtype+" " + inputfile, shell=True).wait()
    subprocess.Popen("john --wordlist="+wordlistdir+"wordlists/names.txt --rules --format="+hashtype+" " + inputfile, shell=True).wait()
    subprocess.Popen("john --wordlist="+wordlistdir+"combined_all_unix.txt --rules --format="+hashtype+" " + inputfile, shell=True).wait()
    
    subprocess.Popen("john --wordlist="+wordlistdir+"combined_wordlists_unix.txt --rules=single --format="+hashtype+" " + inputfile, shell=True).wait()
    
    subprocess.Popen("john --show --format="+hashtype+" " + inputfile + "| cut -d: -f1,2", shell=True).wait()

if __name__ == "__main__":
    main(sys.argv[1:])