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Session Hijacking using XSS

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Session Hijacking Session hijacking can be defined as impersonating and sending a request as a user other than yourself. In layman's language, it is similar to plane hijacking, where a terrorist takes control of the plane except that here the hacker takes control of the session. It can be done in many ways, the most common being stealing the cookies of a user. Procedure 1) Find the website which is vulnerable to XSS. Let us assume that a site abc.com is vulnerable to XSS. 2) Assume that when a search (which is vulnerable to XSS) is performed on the website, parameters are passed in the url in the format http://abc.com/?s=hello 3) Now we need to save the cookies of the user. 4) Copy the code from my repository at  https://github.com/rohankalra97/Session-Hijacking/blob/master/stealer.php  and save it as stealer.php 5) Replace the 5th line with the url which you want the user to be finally redirected to. 6) Create an empty file with name log.txt . 7) Now pu...
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SS7 Vulnerability Explained

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What is SS7? Signalling System No 7 (SS7)  is an international telephone signalling protocol which was developed in 1975 . SS7 is designed to operate in two modes: associated mode and quasi-associated mode. The diagram shows a basic  structure of the network. Customers are connected at End Office. It is directly connected to service switching point (SSP) which converts the dialed digits to signalling messages. Then the SS7 network routes the signals to its destination using  signal transfer point ( STP). The vulnerability Signalling System No 7 (SS7) vulnerability is found in the mobile network which allows hackers to read your text messages, listen to your calls or track your mobile location. It was first discovered in 2014 where some German researchers demonstrated the exploit. Many people think that it had been known to many government secret agencies but was not made public for security reasons.  “It’s like you secure the front door of the ho...
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1.3 Tb/sec DDOS on github!

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What is DDOS? DDOS or Distributed Denial Of service refers to crashing server by sending tons of requests from different systems. The systems are usually infected with trojan or malware and all the online systems are made to send continuous requests at one particular time flooding the server. Memcached Server Memcached server are more responsive than usual servers since they have improved memory caching. The attack Attackers spoofed github's IP and took control of memacached servers of Github from UDP port 11211 . Github stated that these servers are inaccessible to the general public. They used it to amplify traffic and attempted to crash the server. The amplification was around 50 times. This lead to github being attacked at a volume of 1.3 Tb/s. This is the largest DDOS attack ever recorded in the history. Astonishingly it took Github approximately just 5 mins to recover. Github was down on 28th Feb between 17:21 UTC and 17:26 UTC. What now? As quoted from  htt...
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