Friday 25 October 2013

DDOS Attack



DDOS attack is an attempt to make a computer resource unavailable to its intended users.

One common method of attack involves sending an enormous amount of request to Server or site and server will be unable to handle the requests and the site will be offline for some days or months depending upon the strength of Attack i.e. (Data Sent to the Site/Server)

Basic Procedure/Logic employed in DDOS :
1.) Open Command Prompt in windows by going to Start -> All Programs -> Accessories -> Command Prompt.

2.) Type "ping site-ip -l 5120 -n 100000 -w 1".
Here "site-ip" is the IP Address of Target, You can also use site-name like "www.google.com" instead of site-ip."5120" is the size of packet sent to the target

Which is 5 KB in example. "100000" is the no of requests sent to the Target. "- w 1" is the waiting time after each request which is 1 sec in the example. You

can change these parameters according to your need, but Don't omit these.
This Attack is also called "Ping of Death" But In Actual a Single Computer using this Attack cannot Deface a Site for a long time. Hackers Create and install

botnets on different computers as trojans and use those Comprised Computers also to send these Dummy Packets to Target. When a Large no of

Compromised Computer send simultaneous Requests to the target, the target site will be offline and Defaced...

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