RE: Why attacker install irc after hacking?

[Network Security <network.security () iit edu>]

So they can control the machine remotely later.  From there the
possibilities are endless: spam, DDoS, steal data, etc.  This is how all
those botnets you've read about get assembled.

felix lin

-----Original Message-----
From: Monty Ree [mailto:chulmin2 () hotmail com] 
Sent: Wednesday, April 19, 2006 11:56 PM
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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