Instant Messenger hacking

There can be many hectic things online such as rampaging perverts, spammers and script kiddies on instant messaging programs. It would be good, then, to learn a self-defence method I am going to teach you. This is a Denial of Service method which will disconnect or badly lag your opponent if used.

First thing is to understand how your text messages are sent to your messaging partner. In MSN messenger and Yahoo they are using an old method of instant messaging, which looks something like this.

Your computer->MSN/Yahoo IM server->Friend’s computer

This is like a relay, in which athletes pass the baton to they’re team members to complete the race. However, this is usually the slower method compared to direct sending, such as Skype, and it is harder to extract the IP this way.

MSN/Yahoo messengers, however, allow a direct connection if a file, being larger than 1 MB, is sent. This is so that they’re servers don’t lag up. So the connection would look something like this:

Your computer->Friend’s computer

And also this direct connection is faster. So we start up command prompt (Run>cmd) and enter the command netstat. This is a command used to find all the active connections to the computer. So to avoid complication, close down all other internet connections except the Instant Messenger. Then, send him/her any file which is larger than 1 MB. After he accepts it, enter the netstat command into command prompt and search for his IP. It should be the odd one out of all the connections, plausibly and FTP type connection or the odd-one-out IP.

After obtaining your victim’s IP address, you can write your own script or download one of my programs which I wrote from here:

http://www.filefactory.com/file/a0361gc/n/Pinger_zip

Extract it and enter the IP you wish to DOS and also the payload.

The DOS attacks heavily rely on your bandwidth as I have mentioned in my previous article here, http://www.hackthissite.org/articles/read/1016.