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statsgen.py
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statsgen.py
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#!/usr/bin/env python
# StatsGen - Password Statistical Analysis tool
#
# This tool is part of PACK (Password Analysis and Cracking Kit)
#
# VERSION 0.0.3
#
# Copyright (C) 2013 Peter Kacherginsky
# All rights reserved.
#
# Please see the attached LICENSE file for additional licensing information.
import sys
import re, operator, string
from optparse import OptionParser, OptionGroup
import time
VERSION = "0.0.3"
class StatsGen:
def __init__(self):
self.output_file = None
# Filters
self.minlength = None
self.maxlength = None
self.simplemasks = None
self.charsets = None
self.quiet = False
self.debug = True
# Stats dictionaries
self.stats_length = dict()
self.stats_simplemasks = dict()
self.stats_advancedmasks = dict()
self.stats_charactersets = dict()
# Ignore stats with less than 1% coverage
self.hiderare = False
self.filter_counter = 0
self.total_counter = 0
# Minimum password complexity counters
self.mindigit = None
self.minupper = None
self.minlower = None
self.minspecial = None
self.maxdigit = None
self.maxupper = None
self.maxlower = None
self.maxspecial = None
def analyze_password(self, password):
# Password length
pass_length = len(password)
# Character-set and policy counters
digit = 0
lower = 0
upper = 0
special = 0
simplemask = list()
advancedmask_string = ""
# Detect simple and advanced masks
for letter in password:
if letter in string.digits:
digit += 1
advancedmask_string += "?d"
if not simplemask or not simplemask[-1] == 'digit': simplemask.append('digit')
elif letter in string.lowercase:
lower += 1
advancedmask_string += "?l"
if not simplemask or not simplemask[-1] == 'string': simplemask.append('string')
elif letter in string.uppercase:
upper += 1
advancedmask_string += "?u"
if not simplemask or not simplemask[-1] == 'string': simplemask.append('string')
else:
special += 1
advancedmask_string += "?s"
if not simplemask or not simplemask[-1] == 'special': simplemask.append('special')
# String representation of masks
simplemask_string = ''.join(simplemask) if len(simplemask) <= 3 else 'othermask'
# Policy
policy = (digit,lower,upper,special)
# Determine character-set
if digit and not lower and not upper and not special: charset = 'numeric'
elif not digit and lower and not upper and not special: charset = 'loweralpha'
elif not digit and not lower and upper and not special: charset = 'upperalpha'
elif not digit and not lower and not upper and special: charset = 'special'
elif not digit and lower and upper and not special: charset = 'mixedalpha'
elif digit and lower and not upper and not special: charset = 'loweralphanum'
elif digit and not lower and upper and not special: charset = 'upperalphanum'
elif not digit and lower and not upper and special: charset = 'loweralphaspecial'
elif not digit and not lower and upper and special: charset = 'upperalphaspecial'
elif digit and not lower and not upper and special: charset = 'specialnum'
elif not digit and lower and upper and special: charset = 'mixedalphaspecial'
elif digit and not lower and upper and special: charset = 'upperalphaspecialnum'
elif digit and lower and not upper and special: charset = 'loweralphaspecialnum'
elif digit and lower and upper and not special: charset = 'mixedalphanum'
else: charset = 'all'
return (pass_length, charset, simplemask_string, advancedmask_string, policy)
def generate_stats(self, filename):
""" Generate password statistics. """
with open(filename, 'r') as f:
for password in f:
password = password.rstrip('\r\n')
if len(password) == 0: continue
self.total_counter += 1
(pass_length,characterset,simplemask,advancedmask, policy) = self.analyze_password(password)
(digit,lower,upper,special) = policy
if (self.charsets == None or characterset in self.charsets) and \
(self.simplemasks == None or simplemask in self.simplemasks) and \
(self.maxlength == None or pass_length <= self.maxlength) and \
(self.minlength == None or pass_length >= self.minlength):
self.filter_counter += 1
if self.mindigit == None or digit < self.mindigit: self.mindigit = digit
if self.maxdigit == None or digit > self.maxdigit: self.maxdigit = digit
if self.minupper == None or upper < self.minupper: self.minupper = upper
if self.maxupper == None or upper > self.maxupper: self.maxupper = upper
if self.minlower == None or lower < self.minlower: self.minlower = lower
if self.maxlower == None or lower > self.maxlower: self.maxlower = lower
if self.minspecial == None or special < self.minspecial: self.minspecial = special
if self.maxspecial == None or special > self.maxspecial: self.maxspecial = special
if pass_length in self.stats_length:
self.stats_length[pass_length] += 1
else:
self.stats_length[pass_length] = 1
if characterset in self.stats_charactersets:
self.stats_charactersets[characterset] += 1
else:
self.stats_charactersets[characterset] = 1
if simplemask in self.stats_simplemasks:
self.stats_simplemasks[simplemask] += 1
else:
self.stats_simplemasks[simplemask] = 1
if advancedmask in self.stats_advancedmasks:
self.stats_advancedmasks[advancedmask] += 1
else:
self.stats_advancedmasks[advancedmask] = 1
def print_stats(self):
""" Print password statistics. """
print "[+] Analyzing %d%% (%d/%d) of passwords" % (self.filter_counter*100/self.total_counter, self.filter_counter, self.total_counter)
print " NOTE: Statistics below is relative to the number of analyzed passwords, not total number of passwords"
print "\n[*] Length:"
for (length,count) in sorted(self.stats_length.iteritems(), key=operator.itemgetter(1), reverse=True):
if self.hiderare and not count*100/self.filter_counter > 0: continue
print "[+] %25d: %02d%% (%d)" % (length, count*100/self.filter_counter, count)
print "\n[*] Character-set:"
for (char,count) in sorted(self.stats_charactersets.iteritems(), key=operator.itemgetter(1), reverse=True):
if self.hiderare and not count*100/self.filter_counter > 0: continue
print "[+] %25s: %02d%% (%d)" % (char, count*100/self.filter_counter, count)
print "\n[*] Password complexity:"
print "[+] digit: min(%s) max(%s)" % (self.mindigit, self.maxdigit)
print "[+] lower: min(%s) max(%s)" % (self.minlower, self.maxlower)
print "[+] upper: min(%s) max(%s)" % (self.minupper, self.maxupper)
print "[+] special: min(%s) max(%s)" % (self.minspecial, self.maxspecial)
print "\n[*] Simple Masks:"
for (simplemask,count) in sorted(self.stats_simplemasks.iteritems(), key=operator.itemgetter(1), reverse=True):
if self.hiderare and not count*100/self.filter_counter > 0: continue
print "[+] %25s: %02d%% (%d)" % (simplemask, count*100/self.filter_counter, count)
print "\n[*] Advanced Masks:"
for (advancedmask,count) in sorted(self.stats_advancedmasks.iteritems(), key=operator.itemgetter(1), reverse=True):
if count*100/self.filter_counter > 0:
print "[+] %25s: %02d%% (%d)" % (advancedmask, count*100/self.filter_counter, count)
if self.output_file:
self.output_file.write("%s,%d\n" % (advancedmask,count))
if __name__ == "__main__":
header = " _ \n"
header += " StatsGen %s | |\n" % VERSION
header += " _ __ __ _ ___| | _\n"
header += " | '_ \ / _` |/ __| |/ /\n"
header += " | |_) | (_| | (__| < \n"
header += " | .__/ \__,_|\___|_|\_\\\n"
header += " | | \n"
header += " |_| [email protected]\n"
header += "\n"
parser = OptionParser("%prog [options] passwords.txt\n\nType --help for more options", version="%prog "+VERSION)
filters = OptionGroup(parser, "Password Filters")
filters.add_option("--minlength", dest="minlength", type="int", metavar="8", help="Minimum password length")
filters.add_option("--maxlength", dest="maxlength", type="int", metavar="8", help="Maximum password length")
filters.add_option("--charset", dest="charsets", help="Password charset filter (comma separated)", metavar="loweralpha,numeric")
filters.add_option("--simplemask", dest="simplemasks",help="Password mask filter (comma separated)", metavar="stringdigit,allspecial")
parser.add_option_group(filters)
parser.add_option("-o", "--output", dest="output_file",help="Save masks and stats to a file", metavar="password.masks")
parser.add_option("--hiderare", action="store_true", dest="hiderare", default=False, help="Hide statistics covering less than 1% of the sample")
parser.add_option("-q", "--quiet", action="store_true", dest="quiet", default=False, help="Don't show headers.")
(options, args) = parser.parse_args()
# Print program header
if not options.quiet:
print header
if len(args) != 1:
parser.error("no passwords file specified")
exit(1)
print "[*] Analyzing passwords in [%s]" % args[0]
statsgen = StatsGen()
if not options.minlength == None: statsgen.minlength = options.minlength
if not options.maxlength == None: statsgen.maxlength = options.maxlength
if not options.charsets == None: statsgen.charsets = [x.strip() for x in options.charsets.split(',')]
if not options.simplemasks == None: statsgen.simplemasks = [x.strip() for x in options.simplemasks.split(',')]
if options.hiderare: statsgen.hiderare = options.hiderare
if options.output_file:
print "[*] Saving advanced masks and occurrences to [%s]" % options.output_file
statsgen.output_file = open(options.output_file, 'w')
statsgen.generate_stats(args[0])
statsgen.print_stats()