sqlmap/lib/utils/hash.py
Miroslav Stampar 4f00b9fa4b minor fix
2011-03-26 21:10:31 +00:00

502 lines
18 KiB
Python

#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
$Id$
Copyright (c) 2006-2010 sqlmap developers (http://sqlmap.sourceforge.net/)
See the file 'doc/COPYING' for copying permission
"""
try:
import crypt
except ImportError, _:
pass
import re
import time
from hashlib import md5
from hashlib import sha1
from zipfile import ZipFile
from extra.pydes.pyDes import des
from extra.pydes.pyDes import CBC
from lib.core.common import checkFile
from lib.core.common import clearConsoleLine
from lib.core.common import dataToStdout
from lib.core.common import getCompiledRegex
from lib.core.common import getFileItems
from lib.core.common import Backend
from lib.core.common import getPublicTypeMembers
from lib.core.common import getUnicode
from lib.core.common import paths
from lib.core.common import readInput
from lib.core.convert import hexdecode
from lib.core.convert import hexencode
from lib.core.convert import utf8encode
from lib.core.data import kb
from lib.core.data import logger
from lib.core.enums import DBMS
from lib.core.enums import HASH
from lib.core.exception import sqlmapUserQuitException
from lib.core.settings import COMMON_PASSWORD_SUFFIXES
from lib.core.settings import DUMMY_USER_PREFIX
from lib.core.settings import IS_WIN
from lib.core.settings import LIST_EMAIL
from lib.core.settings import UNICODE_ENCODING
def mysql_passwd(password, uppercase=True):
"""
Reference(s):
http://csl.sublevel3.org/mysql-password-function/
>>> mysql_passwd(password='testpass', uppercase=True)
'*00E247AC5F9AF26AE0194B41E1E769DEE1429A29'
"""
retVal = "*%s" % sha1(sha1(password).digest()).hexdigest()
return retVal.upper() if uppercase else retVal.lower()
def mysql_old_passwd(password, uppercase=True): # prior to version '4.1'
"""
Reference(s):
http://www.sfr-fresh.com/unix/privat/tpop3d-1.5.5.tar.gz:a/tpop3d-1.5.5/password.c
http://voidnetwork.org/5ynL0rd/darkc0de/python_script/darkMySQLi.html
>>> mysql_old_passwd(password='testpass', uppercase=True)
'7DCDA0D57290B453'
"""
a, b, c = 1345345333, 7, 0x12345671
for d in password:
if d == ' ' or d == '\t':
continue
e = ord(d)
a ^= (((a & 63) + b) * e) + (a << 8)
c += (c << 8) ^ a
b += e
retVal = "%08lx%08lx" % (a & ((1 << 31) - 1), c & ((1 << 31) - 1))
return retVal.upper() if uppercase else retVal.lower()
def postgres_passwd(password, username, uppercase=False):
"""
Reference(s):
http://pentestmonkey.net/blog/cracking-postgres-hashes/
>>> postgres_passwd(password='testpass', username='testuser', uppercase=False)
'md599e5ea7a6f7c3269995cba3927fd0093'
"""
retVal = "md5%s" % md5(password + username).hexdigest()
return retVal.upper() if uppercase else retVal.lower()
def mssql_passwd(password, salt, uppercase=False):
"""
Reference(s):
http://www.leidecker.info/projects/phrasendrescher/mssql.c
https://www.evilfingers.com/tools/GSAuditor.php
>>> mssql_passwd(password='testpass', salt='4086ceb6', uppercase=False)
'0x01004086ceb60c90646a8ab9889fe3ed8e5c150b5460ece8425a'
"""
binsalt = hexdecode(salt)
unistr = "".join(map(lambda c: ("%s\0" if ord(c) < 256 else "%s") % utf8encode(c), password))
retVal = "0100%s%s" % (salt, sha1(unistr + binsalt).hexdigest())
return "0x%s" % (retVal.upper() if uppercase else retVal.lower())
def mssql_old_passwd(password, salt, uppercase=True): # prior to version '2005'
"""
Reference(s):
www.exploit-db.com/download_pdf/15537/
http://www.leidecker.info/projects/phrasendrescher/mssql.c
https://www.evilfingers.com/tools/GSAuditor.php
>>> mssql_old_passwd(password='testpass', salt='4086ceb6', uppercase=True)
'0x01004086CEB60C90646A8AB9889FE3ED8E5C150B5460ECE8425AC7BB7255C0C81D79AA5D0E93D4BB077FB9A51DA0'
"""
binsalt = hexdecode(salt)
unistr = "".join(map(lambda c: ("%s\0" if ord(c) < 256 else "%s") % utf8encode(c), password))
retVal = "0100%s%s%s" % (salt, sha1(unistr + binsalt).hexdigest(), sha1(unistr.upper() + binsalt).hexdigest())
return "0x%s" % (retVal.upper() if uppercase else retVal.lower())
def oracle_passwd(password, salt, uppercase=True):
"""
Reference(s):
https://www.evilfingers.com/tools/GSAuditor.php
http://www.notesbit.com/index.php/scripts-oracle/oracle-11g-new-password-algorithm-is-revealed-by-seclistsorg/
http://seclists.org/bugtraq/2007/Sep/304
>>> oracle_passwd(password='SHAlala', salt='1B7B5F82B7235E9E182C', uppercase=True)
'S:2BFCFDF5895014EE9BB2B9BA067B01E0389BB5711B7B5F82B7235E9E182C'
"""
binsalt = hexdecode(salt)
retVal="s:%s%s" % (sha1(utf8encode(password) + binsalt).hexdigest(), salt)
return retVal.upper() if uppercase else retVal.lower()
def oracle_old_passwd(password, username, uppercase=True): # prior to version '11g'
"""
Reference(s):
http://www.notesbit.com/index.php/scripts-oracle/oracle-11g-new-password-algorithm-is-revealed-by-seclistsorg/
>>> oracle_old_passwd(password='tiger', username='scott', uppercase=True)
'F894844C34402B67'
"""
IV, pad = "\0"*8, "\0"
if isinstance(username, unicode):
username = unicode.encode(username, UNICODE_ENCODING) #pyDes has issues with unicode strings
unistr = "".join("\0%s" % c for c in (username + password).upper())
cipher = des(hexdecode("0123456789ABCDEF"), CBC, IV, pad)
encrypted = cipher.encrypt(unistr)
cipher = des(encrypted[-8:], CBC, IV, pad)
encrypted = cipher.encrypt(unistr)
retVal = hexencode(encrypted[-8:])
return retVal.upper() if uppercase else retVal.lower()
def md5_generic_passwd(password, uppercase=False):
"""
>>> md5_generic_passwd(password='testpass', uppercase=False)
'179ad45c6ce2cb97cf1029e212046e81'
"""
retVal = md5(password).hexdigest()
return retVal.upper() if uppercase else retVal.lower()
def sha1_generic_passwd(password, uppercase=False):
"""
>>> sha1_generic_passwd(password='testpass', uppercase=False)
'206c80413b9a96c1312cc346b7d2517b84463edd'
"""
retVal = sha1(password).hexdigest()
return retVal.upper() if uppercase else retVal.lower()
def crypt_generic_passwd(password, salt, uppercase=False):
"""
Reference(s):
http://docs.python.org/library/crypt.html
http://helpful.knobs-dials.com/index.php/Hashing_notes
http://php.net/manual/en/function.crypt.php
http://carey.geek.nz/code/python-fcrypt/
>>> crypt_generic_passwd(password='rasmuslerdorf', salt='rl', uppercase=False)
'rl.3StKT.4T8M'
"""
retVal = crypt.crypt(password, salt)
return retVal.upper() if uppercase else retVal.lower()
__functions__ = {
HASH.MYSQL: mysql_passwd,
HASH.MYSQL_OLD: mysql_old_passwd,
HASH.POSTGRES: postgres_passwd,
HASH.MSSQL: mssql_passwd,
HASH.MSSQL_OLD: mssql_old_passwd,
HASH.ORACLE: oracle_passwd,
HASH.ORACLE_OLD: oracle_old_passwd,
HASH.MD5_GENERIC: md5_generic_passwd,
HASH.SHA1_GENERIC: sha1_generic_passwd,
HASH.CRYPT_GENERIC: crypt_generic_passwd
}
def attackCachedUsersPasswords():
if kb.data.cachedUsersPasswords:
results = dictionaryAttack(kb.data.cachedUsersPasswords)
for (user, hash_, password) in results:
for i in xrange(len(kb.data.cachedUsersPasswords[user])):
if kb.data.cachedUsersPasswords[user][i] and hash_.lower() in kb.data.cachedUsersPasswords[user][i].lower():
kb.data.cachedUsersPasswords[user][i] += "%s clear-text password: %s" % ('\n' if kb.data.cachedUsersPasswords[user][i][-1] != '\n' else '', password)
def attackDumpedTable():
if kb.data.dumpedTable:
table = kb.data.dumpedTable
columns = table.keys()
count = table["__infos__"]["count"]
colUser = ''
attack_dict = {}
for column in columns:
if column and column.lower() in ('user', 'username', 'user_name'):
colUser = column
break
for i in range(count):
for column in columns:
if column == colUser or column == '__infos__':
continue
if len(table[column]['values']) <= i:
continue
value = table[column]['values'][i]
if hashRecognition(value):
if colUser:
if table[colUser]['values'][i] not in attack_dict:
attack_dict[table[colUser]['values'][i]] = []
attack_dict[table[colUser]['values'][i]].append(value)
else:
attack_dict['%s%d' % (DUMMY_USER_PREFIX, i)] = [value]
if attack_dict:
message = "recognized possible password hash values. "
message += "do you want to use dictionary attack on retrieved table items? [Y/n/q]"
test = readInput(message, default="Y")
if test[0] in ("n", "N"):
return
elif test[0] in ("q", "Q"):
raise sqlmapUserQuitException
results = dictionaryAttack(attack_dict)
for (user, hash_, password) in results:
for i in range(count):
for column in columns:
if column == colUser or column == '__infos__':
continue
if len(table[column]['values']) <= i:
continue
value = table[column]['values'][i]
if all(map(lambda x: x, [value, hash_])) and value.lower() == hash_.lower():
table[column]['values'][i] += " (%s)" % password
table[column]['length'] = max(table[column]['length'], len(table[column]['values'][i]))
def hashRecognition(value):
retVal = None
if value:
for name, regex in getPublicTypeMembers(HASH):
# Hashes for Oracle and old MySQL look the same hence these checks
if Backend.getIdentifiedDbms() == DBMS.ORACLE and regex == HASH.MYSQL_OLD:
continue
elif Backend.getIdentifiedDbms() == DBMS.MYSQL and regex == HASH.ORACLE_OLD:
continue
elif getCompiledRegex(regex).match(value):
retVal = regex
break
return retVal
def dictionaryAttack(attack_dict):
hash_regexes = []
results = []
for (_, hashes) in attack_dict.items():
for hash_ in hashes:
if not hash_:
continue
hash_ = hash_.split()[0]
regex = hashRecognition(hash_)
if regex and regex not in hash_regexes:
hash_regexes.append(regex)
infoMsg = "using hash method: '%s'" % __functions__[regex].func_name
logger.info(infoMsg)
for hash_regex in hash_regexes:
attack_info = []
for (user, hashes) in attack_dict.items():
for hash_ in hashes:
if not hash_:
continue
hash_ = hash_.split()[0]
if re.match(hash_regex, hash_):
hash_ = hash_.lower()
if hash_regex in (HASH.MYSQL, HASH.MYSQL_OLD, HASH.MD5_GENERIC, HASH.SHA1_GENERIC):
attack_info.append([(user, hash_), {}])
elif hash_regex in (HASH.ORACLE_OLD, HASH.POSTGRES):
attack_info.append([(user, hash_), {'username': user}])
elif hash_regex in (HASH.ORACLE):
attack_info.append([(user, hash_), {'salt': hash_[-20:]}])
elif hash_regex in (HASH.MSSQL, HASH.MSSQL_OLD):
attack_info.append([(user, hash_), {'salt': hash_[6:14]}])
elif hash_regex in (HASH.CRYPT_GENERIC):
if IS_WIN:
warnMsg = "attack on '%s' is not available for Windows platform" % __functions__[hash_regex].func_name
logger.warning(warnMsg)
else:
attack_info.append([(user, hash_), {'salt': hash_[0:2]}])
if not attack_info:
continue
if not kb.wordlist:
if hash_regex == HASH.ORACLE_OLD: #it's the slowest of all methods hence smaller default dict
message = "what's the dictionary's location? [%s]" % paths.ORACLE_DEFAULT_PASSWD
dictpath = readInput(message, default=paths.ORACLE_DEFAULT_PASSWD)
else:
message = "what's the dictionary's location? [%s]" % paths.WORDLIST
dictpath = readInput(message, default=paths.WORDLIST)
checkFile(dictpath)
infoMsg = "loading dictionary from: '%s'" % dictpath
logger.info(infoMsg)
kb.wordlist = getFileItems(dictpath, None, False)
message = "do you want to use common password suffixes? (slow!) [y/N] "
test = readInput(message, default="N")
suffix_list = [""]
if test[0] in ("y", "Y"):
suffix_list += COMMON_PASSWORD_SUFFIXES
infoMsg = "starting dictionary attack (%s)" % __functions__[hash_regex].func_name
logger.info(infoMsg)
for item in attack_info:
((user, _), _) = item
kb.wordlist.append(getUnicode(user))
length = len(kb.wordlist) * len(suffix_list)
if hash_regex in (HASH.MYSQL, HASH.MYSQL_OLD, HASH.MD5_GENERIC, HASH.SHA1_GENERIC):
count = 0
for suffix in suffix_list:
if not attack_info:
break
for word in kb.wordlist:
if not attack_info:
break
count += 1
if suffix:
word = word + suffix
try:
current = __functions__[hash_regex](password = word, uppercase = False)
for item in attack_info:
((user, hash_), _) = item
if hash_ == current:
results.append((user, hash_, word))
clearConsoleLine()
infoMsg = "[%s] [INFO] found: '%s'" % (time.strftime("%X"), word)
if user and not user.startswith(DUMMY_USER_PREFIX):
infoMsg += " for user: '%s'\n" % user
else:
infoMsg += " for hash: '%s'\n" % hash_
dataToStdout(infoMsg, True)
attack_info.remove(item)
elif count % 1117 == 0 or count == length or hash_regex in (HASH.ORACLE_OLD):
status = '%d/%d words (%d%s)' % (count, length, round(100.0*count/length), '%')
dataToStdout("\r[%s] [INFO] %s" % (time.strftime("%X"), status))
except KeyboardInterrupt:
raise
except:
warnMsg = "there was a problem while hashing entry: %s. " % repr(word)
warnMsg += "Please report by e-mail to %s." % LIST_EMAIL
logger.critical(warnMsg)
clearConsoleLine()
else:
for ((user, hash_), kwargs) in attack_info:
count = 0
found = False
for suffix in suffix_list:
if found:
break
for word in kb.wordlist:
current = __functions__[hash_regex](password = word, uppercase = False, **kwargs)
count += 1
if suffix:
word = word + suffix
try:
if hash_ == current:
if regex == HASH.ORACLE_OLD: #only for cosmetic purposes
word = word.upper()
results.append((user, hash_, word))
clearConsoleLine()
infoMsg = "[%s] [INFO] found: '%s'" % (time.strftime("%X"), word)
if user and not user.startswith(DUMMY_USER_PREFIX):
infoMsg += " for user: '%s'\n" % user
else:
infoMsg += " for hash: '%s'\n" % hash_
dataToStdout(infoMsg, True)
found = True
break
elif count % 1117 == 0 or count == length or hash_regex in (HASH.ORACLE_OLD):
status = '%d/%d words (%d%s) (user: %s)' % (count, length, round(100.0*count/length), '%', user)
dataToStdout("\r[%s] [INFO] %s" % (time.strftime("%X"), status))
except KeyboardInterrupt:
raise
except:
warnMsg = "there was a problem while hashing entry: %s. " % repr(word)
warnMsg += "Please report by e-mail to %s." % LIST_EMAIL
logger.critical(warnMsg)
clearConsoleLine()
if len(hash_regexes) == 0:
warnMsg = "unknown hash Format. "
warnMsg += "Please report by e-mail to %s." % LIST_EMAIL
logger.warn(warnMsg)
if len(results) == 0:
warnMsg = "no clear password(s) found"
logger.warn(warnMsg)
return results