Пример #1
0
def initTargetEnv():
    """
    Initialize target environment.
    """

    if conf.multipleTargets:
        if conf.hashDB:
            conf.hashDB.close()

        if conf.cj:
            resetCookieJar(conf.cj)

        threadData = getCurrentThreadData()
        threadData.reset()

        conf.paramDict = {}
        conf.parameters = {}
        conf.hashDBFile = None

        _setKnowledgeBaseAttributes(False)
        _restoreMergedOptions()
        _setDBMS()

    if conf.data:

        class _(six.text_type):
            pass

        kb.postUrlEncode = True

        for key, value in conf.httpHeaders:
            if key.upper() == HTTP_HEADER.CONTENT_TYPE.upper():
                kb.postUrlEncode = "urlencoded" in value
                break

        if kb.postUrlEncode:
            original = conf.data
            conf.data = _(urldecode(conf.data))
            setattr(conf.data, UNENCODED_ORIGINAL_VALUE, original)
            kb.postSpaceToPlus = '+' in original

    if conf.data and unArrayizeValue(conf.base64Parameter) == HTTPMETHOD.POST:
        if '=' not in conf.data.strip('='):
            try:
                original = conf.data
                conf.data = _(decodeBase64(conf.data, binary=False))
                setattr(conf.data, UNENCODED_ORIGINAL_VALUE, original)
            except:
                pass

    match = re.search(INJECT_HERE_REGEX,
                      "%s %s %s" % (conf.url, conf.data, conf.httpHeaders))
    kb.customInjectionMark = match.group(
        0) if match else CUSTOM_INJECTION_MARK_CHAR
Пример #2
0
def check_authentication():
    if not any((DataStore.username, DataStore.password)):
        return

    authorization = request.headers.get("Authorization", "")
    match = re.search(r"(?i)\ABasic\s+([^\s]+)", authorization)

    if not match:
        request.environ["PATH_INFO"] = "/error/401"

    try:
        creds = decodeBase64(match.group(1), binary=False)
    except:
        request.environ["PATH_INFO"] = "/error/401"
    else:
        if creds.count(':') != 1:
            request.environ["PATH_INFO"] = "/error/401"
        else:
            username, password = creds.split(':')
            if username.strip() != (DataStore.username or "") or password.strip() != (DataStore.password or ""):
                request.environ["PATH_INFO"] = "/error/401"
Пример #3
0
def _oneShotUnionUse(expression, unpack=True, limited=False):
    retVal = hashDBRetrieve(
        "%s%s" % (conf.hexConvert or False, expression),
        checkConf=True)  # as UNION data is stored raw unconverted

    threadData = getCurrentThreadData()
    threadData.resumed = retVal is not None

    if retVal is None:
        vector = kb.injection.data[PAYLOAD.TECHNIQUE.UNION].vector

        if not kb.rowXmlMode:
            injExpression = unescaper.escape(
                agent.concatQuery(expression, unpack))
            kb.unionDuplicates = vector[7]
            kb.forcePartialUnion = vector[8]

            # Note: introduced columns in 1.4.2.42#dev
            try:
                kb.tableFrom = vector[9]
                kb.unionTemplate = vector[10]
            except IndexError:
                pass

            query = agent.forgeUnionQuery(injExpression, vector[0], vector[1],
                                          vector[2], vector[3], vector[4],
                                          vector[5], vector[6], None, limited)
            where = PAYLOAD.WHERE.NEGATIVE if conf.limitStart or conf.limitStop else vector[
                6]
        else:
            where = vector[6]
            query = agent.forgeUnionQuery(expression, vector[0], vector[1],
                                          vector[2], vector[3], vector[4],
                                          vector[5], vector[6], None, False)

        payload = agent.payload(newValue=query, where=where)

        # Perform the request
        page, headers, _ = Request.queryPage(payload,
                                             content=True,
                                             raise404=False)

        incrementCounter(PAYLOAD.TECHNIQUE.UNION)

        if not kb.rowXmlMode:
            # Parse the returned page to get the exact UNION-based
            # SQL injection output
            def _(regex):
                return firstNotNone(
                    extractRegexResult(regex,
                                       removeReflectiveValues(page, payload),
                                       re.DOTALL | re.IGNORECASE),
                    extractRegexResult(
                        regex,
                        removeReflectiveValues(
                            listToStrValue((
                                _ for _ in headers.headers
                                if not _.startswith(HTTP_HEADER.URI)
                            ) if headers else None), payload, True),
                        re.DOTALL | re.IGNORECASE))

            # Automatically patching last char trimming cases
            if kb.chars.stop not in (page
                                     or "") and kb.chars.stop[:-1] in (page
                                                                       or ""):
                warnMsg = "automatically patching output having last char trimmed"
                singleTimeWarnMessage(warnMsg)
                page = page.replace(kb.chars.stop[:-1], kb.chars.stop)

            retVal = _("(?P<result>%s.*%s)" % (kb.chars.start, kb.chars.stop))
        else:
            output = extractRegexResult(r"(?P<result>(<row.+?/>)+)", page)
            if output:
                try:
                    root = xml.etree.ElementTree.fromstring(
                        safeStringFormat("<root>%s</root>", getBytes(output)))
                    retVal = ""
                    for column in kb.dumpColumns:
                        base64 = True
                        for child in root:
                            value = child.attrib.get(column, "").strip()
                            if value and not re.match(
                                    r"\A[a-zA-Z0-9+/]+={0,2}\Z", value):
                                base64 = False
                                break

                            try:
                                decodeBase64(value)
                            except (binascii.Error, TypeError):
                                base64 = False
                                break

                        if base64:
                            for child in root:
                                child.attrib[column] = decodeBase64(
                                    child.attrib.get(column,
                                                     ""), binary=False) or NULL

                    for child in root:
                        row = []
                        for column in kb.dumpColumns:
                            row.append(child.attrib.get(column, NULL))
                        retVal += "%s%s%s" % (kb.chars.start,
                                              kb.chars.delimiter.join(row),
                                              kb.chars.stop)

                except:
                    pass
                else:
                    retVal = getUnicode(retVal)

        if retVal is not None:
            retVal = getUnicode(retVal, kb.pageEncoding)

            # Special case when DBMS is Microsoft SQL Server and error message is used as a result of UNION injection
            if Backend.isDbms(DBMS.MSSQL) and wasLastResponseDBMSError():
                retVal = htmlUnescape(retVal).replace("<br>", "\n")

            hashDBWrite("%s%s" % (conf.hexConvert or False, expression),
                        retVal)

        elif not kb.rowXmlMode:
            trimmed = _("%s(?P<result>.*?)<" % (kb.chars.start))

            if trimmed:
                warnMsg = "possible server trimmed output detected "
                warnMsg += "(probably due to its length and/or content): "
                warnMsg += safecharencode(trimmed)
                logger.warn(warnMsg)
            elif re.search(r"ORDER BY [^ ]+\Z", expression):
                debugMsg = "retrying failed SQL query without the ORDER BY clause"
                singleTimeDebugMessage(debugMsg)

                expression = re.sub(r"\s*ORDER BY [^ ]+\Z", "", expression)
                retVal = _oneShotUnionUse(expression, unpack, limited)
    else:
        vector = kb.injection.data[PAYLOAD.TECHNIQUE.UNION].vector
        kb.unionDuplicates = vector[7]

    return retVal
Пример #4
0
def dictionaryAttack(attack_dict):
    suffix_list = [""]
    custom_wordlist = [""]
    hash_regexes = []
    results = []
    resumes = []
    user_hash = []
    processException = False
    foundHash = False

    for (_, hashes) in attack_dict.items():
        for hash_ in hashes:
            if not hash_:
                continue

            hash_ = hash_.split()[0] if hash_ and hash_.strip() else hash_
            regex = hashRecognition(hash_)

            if regex and regex not in hash_regexes:
                hash_regexes.append(regex)
                infoMsg = "using hash method '%s'" % __functions__[regex].__name__
                logger.info(infoMsg)

    for hash_regex in hash_regexes:
        keys = set()
        attack_info = []

        for (user, hashes) in attack_dict.items():
            for hash_ in hashes:
                if not hash_:
                    continue

                foundHash = True
                hash_ = hash_.split()[0] if hash_ and hash_.strip() else hash_

                if re.match(hash_regex, hash_):
                    try:
                        item = None

                        if hash_regex not in (HASH.CRYPT_GENERIC, HASH.JOOMLA, HASH.WORDPRESS, HASH.UNIX_MD5_CRYPT, HASH.APACHE_MD5_CRYPT, HASH.APACHE_SHA1, HASH.VBULLETIN, HASH.VBULLETIN_OLD, HASH.SSHA, HASH.SSHA256, HASH.SSHA512, HASH.DJANGO_MD5, HASH.DJANGO_SHA1, HASH.MD5_BASE64, HASH.SHA1_BASE64, HASH.SHA256_BASE64, HASH.SHA512_BASE64):
                            hash_ = hash_.lower()

                        if hash_regex in (HASH.MD5_BASE64, HASH.SHA1_BASE64, HASH.SHA256_BASE64, HASH.SHA512_BASE64):
                            item = [(user, encodeHex(decodeBase64(hash_, binary=True))), {}]
                        elif hash_regex in (HASH.MYSQL, HASH.MYSQL_OLD, HASH.MD5_GENERIC, HASH.SHA1_GENERIC, HASH.SHA224_GENERIC, HASH.SHA256_GENERIC, HASH.SHA384_GENERIC, HASH.SHA512_GENERIC, HASH.APACHE_SHA1):
                            item = [(user, hash_), {}]
                        elif hash_regex in (HASH.SSHA,):
                            item = [(user, hash_), {"salt": decodeBase64(hash_, binary=True)[20:]}]
                        elif hash_regex in (HASH.SSHA256,):
                            item = [(user, hash_), {"salt": decodeBase64(hash_, binary=True)[32:]}]
                        elif hash_regex in (HASH.SSHA512,):
                            item = [(user, hash_), {"salt": decodeBase64(hash_, binary=True)[64:]}]
                        elif hash_regex in (HASH.ORACLE_OLD, HASH.POSTGRES):
                            item = [(user, hash_), {'username': user}]
                        elif hash_regex in (HASH.ORACLE,):
                            item = [(user, hash_), {"salt": hash_[-20:]}]
                        elif hash_regex in (HASH.MSSQL, HASH.MSSQL_OLD, HASH.MSSQL_NEW):
                            item = [(user, hash_), {"salt": hash_[6:14]}]
                        elif hash_regex in (HASH.CRYPT_GENERIC,):
                            item = [(user, hash_), {"salt": hash_[0:2]}]
                        elif hash_regex in (HASH.UNIX_MD5_CRYPT, HASH.APACHE_MD5_CRYPT):
                            item = [(user, hash_), {"salt": hash_.split('$')[2], "magic": "$%s$" % hash_.split('$')[1]}]
                        elif hash_regex in (HASH.JOOMLA, HASH.VBULLETIN, HASH.VBULLETIN_OLD):
                            item = [(user, hash_), {"salt": hash_.split(':')[-1]}]
                        elif hash_regex in (HASH.DJANGO_MD5, HASH.DJANGO_SHA1):
                            item = [(user, hash_), {"salt": hash_.split('$')[1]}]
                        elif hash_regex in (HASH.WORDPRESS,):
                            if ITOA64.index(hash_[3]) < 32:
                                item = [(user, hash_), {"salt": hash_[4:12], "count": 1 << ITOA64.index(hash_[3]), "prefix": hash_[:12]}]
                            else:
                                warnMsg = "invalid hash '%s'" % hash_
                                logger.warn(warnMsg)

                        if item and hash_ not in keys:
                            resumed = hashDBRetrieve(hash_)
                            if not resumed:
                                attack_info.append(item)
                                user_hash.append(item[0])
                            else:
                                infoMsg = "resuming password '%s' for hash '%s'" % (resumed, hash_)
                                if user and not user.startswith(DUMMY_USER_PREFIX):
                                    infoMsg += " for user '%s'" % user
                                logger.info(infoMsg)
                                resumes.append((user, hash_, resumed))
                            keys.add(hash_)

                    except (binascii.Error, IndexError):
                        pass

        if not attack_info:
            continue

        if not kb.wordlists:
            while not kb.wordlists:

                # the slowest of all methods hence smaller default dict
                if hash_regex in (HASH.ORACLE_OLD,):
                    dictPaths = [paths.SMALL_DICT]
                else:
                    dictPaths = [paths.WORDLIST]

                message = "what dictionary do you want to use?\n"
                message += "[1] default dictionary file '%s' (press Enter)\n" % dictPaths[0]
                message += "[2] custom dictionary file\n"
                message += "[3] file with list of dictionary files"
                choice = readInput(message, default='1')

                try:
                    if choice == '2':
                        message = "what's the custom dictionary's location?\n"
                        dictPath = readInput(message)
                        if dictPath:
                            dictPaths = [dictPath]
                            logger.info("using custom dictionary")
                    elif choice == '3':
                        message = "what's the list file location?\n"
                        listPath = readInput(message)
                        checkFile(listPath)
                        dictPaths = getFileItems(listPath)
                        logger.info("using custom list of dictionaries")
                    else:
                        logger.info("using default dictionary")

                    dictPaths = [_ for _ in dictPaths if _]

                    for dictPath in dictPaths:
                        checkFile(dictPath)

                        if os.path.splitext(dictPath)[1].lower() == ".zip":
                            _ = zipfile.ZipFile(dictPath, 'r')
                            if len(_.namelist()) == 0:
                                errMsg = "no file(s) inside '%s'" % dictPath
                                raise SqlmapDataException(errMsg)
                            else:
                                _.open(_.namelist()[0])

                    kb.wordlists = dictPaths

                except Exception as ex:
                    warnMsg = "there was a problem while loading dictionaries"
                    warnMsg += " ('%s')" % getSafeExString(ex)
                    logger.critical(warnMsg)

            message = "do you want to use common password suffixes? (slow!) [y/N] "

            if readInput(message, default='N', boolean=True):
                suffix_list += COMMON_PASSWORD_SUFFIXES

        infoMsg = "starting dictionary-based cracking (%s)" % __functions__[hash_regex].__name__
        logger.info(infoMsg)

        for item in attack_info:
            ((user, _), _) = item
            if user and not user.startswith(DUMMY_USER_PREFIX):
                custom_wordlist.append(normalizeUnicode(user))

        # Algorithms without extra arguments (e.g. salt and/or username)
        if hash_regex in (HASH.MYSQL, HASH.MYSQL_OLD, HASH.MD5_GENERIC, HASH.SHA1_GENERIC, HASH.SHA224_GENERIC, HASH.SHA256_GENERIC, HASH.SHA384_GENERIC, HASH.SHA512_GENERIC, HASH.APACHE_SHA1, HASH.VBULLETIN, HASH.VBULLETIN_OLD):
            for suffix in suffix_list:
                if not attack_info or processException:
                    break

                if suffix:
                    clearConsoleLine()
                    infoMsg = "using suffix '%s'" % suffix
                    logger.info(infoMsg)

                retVal = None
                processes = []

                try:
                    if _multiprocessing:
                        if _multiprocessing.cpu_count() > 1:
                            infoMsg = "starting %d processes " % _multiprocessing.cpu_count()
                            singleTimeLogMessage(infoMsg)

                        gc.disable()

                        retVal = _multiprocessing.Queue()
                        count = _multiprocessing.Value('i', _multiprocessing.cpu_count())

                        for i in xrange(_multiprocessing.cpu_count()):
                            process = _multiprocessing.Process(target=_bruteProcessVariantA, args=(attack_info, hash_regex, suffix, retVal, i, count, kb.wordlists, custom_wordlist, conf.api))
                            processes.append(process)

                        for process in processes:
                            process.daemon = True
                            process.start()

                        while count.value > 0:
                            time.sleep(0.5)

                    else:
                        warnMsg = "multiprocessing hash cracking is currently "
                        warnMsg += "not supported on this platform"
                        singleTimeWarnMessage(warnMsg)

                        retVal = _queue.Queue()
                        _bruteProcessVariantA(attack_info, hash_regex, suffix, retVal, 0, 1, kb.wordlists, custom_wordlist, conf.api)

                except KeyboardInterrupt:
                    print()
                    processException = True
                    warnMsg = "user aborted during dictionary-based attack phase (Ctrl+C was pressed)"
                    logger.warn(warnMsg)

                    for process in processes:
                        try:
                            process.terminate()
                            process.join()
                        except (OSError, AttributeError):
                            pass

                finally:
                    if _multiprocessing:
                        gc.enable()

                    if retVal:
                        if conf.hashDB:
                            conf.hashDB.beginTransaction()

                        while not retVal.empty():
                            user, hash_, word = item = retVal.get(block=False)
                            attack_info = [_ for _ in attack_info if _[0][0] != user or _[0][1] != hash_]
                            hashDBWrite(hash_, word)
                            results.append(item)

                        if conf.hashDB:
                            conf.hashDB.endTransaction()

            clearConsoleLine()

        else:
            for ((user, hash_), kwargs) in attack_info:
                if processException:
                    break

                if any(_[0] == user and _[1] == hash_ for _ in results):
                    continue

                count = 0
                found = False

                for suffix in suffix_list:
                    if found or processException:
                        break

                    if suffix:
                        clearConsoleLine()
                        infoMsg = "using suffix '%s'" % suffix
                        logger.info(infoMsg)

                    retVal = None
                    processes = []

                    try:
                        if _multiprocessing:
                            if _multiprocessing.cpu_count() > 1:
                                infoMsg = "starting %d processes " % _multiprocessing.cpu_count()
                                singleTimeLogMessage(infoMsg)

                            gc.disable()

                            retVal = _multiprocessing.Queue()
                            found_ = _multiprocessing.Value('i', False)
                            count = _multiprocessing.Value('i', _multiprocessing.cpu_count())

                            for i in xrange(_multiprocessing.cpu_count()):
                                process = _multiprocessing.Process(target=_bruteProcessVariantB, args=(user, hash_, kwargs, hash_regex, suffix, retVal, found_, i, count, kb.wordlists, custom_wordlist, conf.api))
                                processes.append(process)

                            for process in processes:
                                process.daemon = True
                                process.start()

                            while count.value > 0:
                                time.sleep(0.5)

                            found = found_.value != 0

                        else:
                            warnMsg = "multiprocessing hash cracking is currently "
                            warnMsg += "not supported on this platform"
                            singleTimeWarnMessage(warnMsg)

                            class Value():
                                pass

                            retVal = _queue.Queue()
                            found_ = Value()
                            found_.value = False

                            _bruteProcessVariantB(user, hash_, kwargs, hash_regex, suffix, retVal, found_, 0, 1, kb.wordlists, custom_wordlist, conf.api)

                            found = found_.value

                    except KeyboardInterrupt:
                        print()
                        processException = True
                        warnMsg = "user aborted during dictionary-based attack phase (Ctrl+C was pressed)"
                        logger.warn(warnMsg)

                        for process in processes:
                            try:
                                process.terminate()
                                process.join()
                            except (OSError, AttributeError):
                                pass

                    finally:
                        if _multiprocessing:
                            gc.enable()

                        if retVal and conf.hashDB:
                            if conf.hashDB:
                                conf.hashDB.beginTransaction()

                            while not retVal.empty():
                                user, hash_, word = item = retVal.get(block=False)
                                hashDBWrite(hash_, word)
                                results.append(item)

                            if conf.hashDB:
                                conf.hashDB.endTransaction()

                clearConsoleLine()

    results.extend(resumes)

    if foundHash and len(hash_regexes) == 0:
        warnMsg = "unknown hash format"
        logger.warn(warnMsg)

    if len(results) == 0:
        warnMsg = "no clear password(s) found"
        logger.warn(warnMsg)

    return results