Function hashRecognition

lib/utils/hash.py:789–825

>>> hashRecognition("179ad45c6ce2cb97cf1029e212046e81") == HASH.MD5_GENERIC True >>> hashRecognition("S:2BFCFDF5895014EE9BB2B9BA067B01E0389BB5711B7B5F82B7235E9E182C") == HASH.ORACLE True >>> hashRecognition("foobar") == None True

(value)

@cachedmethod
def hashRecognition(value):
    """
    >>> hashRecognition("179ad45c6ce2cb97cf1029e212046e81") == HASH.MD5_GENERIC
    True
    >>> hashRecognition("S:2BFCFDF5895014EE9BB2B9BA067B01E0389BB5711B7B5F82B7235E9E182C") == HASH.ORACLE
    True
    >>> hashRecognition("foobar") == None
    True
    """

    retVal = None

    if value and len(value) >= 8 and ' ' not in value:   # Note: pre-filter condition (for optimization purposes)
        isOracle, isMySQL = Backend.isDbms(DBMS.ORACLE), Backend.isDbms(DBMS.MYSQL)

        if kb.cache.hashRegex is None:
            parts = []

            for name, regex in getPublicTypeMembers(HASH):
                # Hashes for Oracle and old MySQL look the same hence these checks
                if isOracle and regex == HASH.MYSQL_OLD or isMySQL and regex == HASH.ORACLE_OLD:
                    continue
                elif regex == HASH.CRYPT_GENERIC:
                    if any((value.lower() == value, value.upper() == value)):
                        continue
                else:
                    parts.append("(?P<%s>%s)" % (name, regex))

            kb.cache.hashRegex = ('|'.join(parts)).replace("(?i)", "")

        if isinstance(value, six.string_types):
            match = re.search(kb.cache.hashRegex, value, re.I)
            if match:
                algorithm, _ = [_ for _ in match.groupdict().items() if _[1] is not None][0]
                retVal = getattr(HASH, algorithm)

    return retVal

def _bruteProcessVariantA(attack_info, hash_regex, suffix, retVal, proc_id, proc_count, wordlists, custom_wordlist, api):
    if IS_WIN: