TrueCrypt password guesser for leet-speak passwords. Blog post here: http://ghettoforensics.blogspot.com/2013/05/31337-password-guessing.html

TrueCrypt_Guess.py

import os
import subprocess

tc_exe = "C:\\Program Files\\TrueCrypt\\truecrypt.exe"
tc_file = "E:\\test.tlc"
drive_letter = "P"

def leet_lookup(char):
    list = {"a": ["a","A","@"],
            "b": ["b", "B", "8"],
            "c": ["c", "C", "<"],
            "e": ["e", "E", "3"],
            "i": ["i", "I", "1"],
            "l": ["l", "L", "1"],
            "o": ["o", "O", "0"],
            "t": ["t", "T", "7"] }
    try:
        result = list[char.lower()]
    except KeyError:
        result = [char.lower(), char.upper()]
    return result

list = []
# V o l l e y b a l l = 10 chars
for c1 in leet_lookup('v'):
  for c2 in leet_lookup('o'):
    for c3 in leet_lookup('l'):
      for c4 in leet_lookup('l'):
        for c5 in leet_lookup('e'):
          for c6 in leet_lookup('y'):
            for c7 in leet_lookup('b'):
              for c8 in leet_lookup('a'):
                for c9 in leet_lookup('l'):
                  for c10 in leet_lookup('l'):
                    list.append("%s%s%s%s%s%s%s%s%s%s" % (c1, c2, c3, c4, c5, c6, c7, c8, c9, c10))
print "%d passwords calculated. Now testing:" % len(list)

count = 0
for password in list:
  count += 1
  if not count % 10: print ".",
  tc_cmdline = "%s %s /l %s /b /a /m ro /q /s /p %s" % (tc_exe, tc_file, drive_letter, password)
  process = subprocess.Popen(tc_cmdline)
  returncode = process.wait()
  if not returncode:
    close_cmdline = "%s /d /l %s /q /s" % (tc_exe, drive_letter)
    process = subprocess.Popen(close_cmdline).wait()
    print "\r\nPassword found: %s" % password
    quit()