RE: Why attacker install irc after hacking?

["Goran Pizent" <goran.pizent () ekobit hr>]

After they (intruders) install their tools (Trojans, Rootkits etc) on
hacked box, then the usual way to create a Botnet (where your hacked box is
just one in thousands) is through IRC.

Every Bot notifies its Master of its existance through password protected
IRC channel. On the same IRC channel every bot recieves its orders, e.g.
Distributed Denial of Service Attack on victim, or execute any kind of
attack through owned box/boxes.

Goran



-----Original Message-----
From: Monty Ree [mailto:chulmin2 () hotmail com] 
Sent: Thursday, April 20, 2006 6:56 AM
To: security-basics () securityfocus com
Subject: Why attacker install irc after hacking?

Hello, all.

I have operated linux server for a long time.
and I have found that some irc(psybnc etc) related program was installed 
after scan or hacking.

I can't understand 
Why attackers installed and executed irc program?
Why attackers use irc after hacking?
Just chatting is not...I guess..


Thanks in advance.

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