What are cookies and what is the use of stealing cookies ?

Cookies are small files that stored on users computer by websites when a user visits them. The stored Cookies are used by the web server to identify and authenticate  the user .For example when a user logins in Facebook a unique string is generated and one copy of it  is saved on the server and other is saved on the users browser as Cookies. Both are matched every time the user does any thing in his account


So if we steal the victims cookie and inject them  in our browser we will be able to imitate the victims identity to the web server and thus we will be able to login is his account . This is called as Side jacking .The best thing about this that  we need not no the victims id or password  all we need is the victims cookie



Things we need 


1.  Ettercap or Cain and able for ARP poisoning the victim
2. Wire shark for sniffing and stealing cookies
3. Firefox browser and Cookie logger add on for injecting the stolen cookies in our browser






1. First ARP poison the victim .For this you can refer my previous articles on how to ARP poison the victims computer using Cain and able or Ettercap

2. After ARP poisoning open Wire shark , click capture button from the menu bar , then select interface .Now select your interface (usually eth0 ) finally click start capture .

3. Now you can see the packets being captured ,  wait for a while till the victim logs in his account( Facebook /twitter ),

4. Mean while Find the IP address  of Facebook ,for this you can open  CMD (command prompt ) and enter .Ping Facebook.com to find its IP address


5. Now filter the packets by entering the the IP address (Facebook) in the filter bar and click apply

6. Now Locate HTTP Get /home.php  and copy all the cookie names and values in a note pad as shown

7. Now open Firefox and open add and edit cookies ,which we downloaded earlier , add all the cookies values and save them as show

8. Now open Facebook in a new tab , you will be logged in the victims account .


Voilà . .....you have hacked the victims Facebook account by stealing cookies , You can also follow the same steps to hack  Twitter accounts