[Dshield] IRC BOT opportunity

Scott Melnick smelnick at water.com
Wed Oct 12 20:08:49 GMT 2005

Scott Melnick
This reminds me of the Goodworm Virus variant of MS Blaster. While it
was good it was also a pain. 

I would just go straight to the authorities before you are involved as
an accomplice. Whether you mean good or not. 
Who knows, maybe you are already talking to the authorities on IRC and
don't even know it. Don't risk your carrer. 

Scott Melnick
Security Dude

-----Original Message-----
From: list-bounces at lists.dshield.org
[mailto:list-bounces at lists.dshield.org] On Behalf Of Halsall, Mike
Sent: Wednesday, October 12, 2005 3:49 PM
To: General DShield Discussion List
Subject: [Dshield] IRC BOT opportunity

Question of the day:

Recently I've been playing with an IRC BOT virus (a Randex variant) that
has come onto my college's campus.  These viruses have become
increasingly sophisticated in their capabilities and have the ability
to, of course, receive a download command from their Op and go grab a
file and run it silently - hence introducing (yet) another ingress path
for more malware/viruses.

Being curious, and taking the appropriate precautions (anonymous proxies
through Tor), I hopped onto the IRC server these Bots were joining and
made myself look like one of them.  This server, in Hungary, controls
~17000 Bots.

Over the past few days I've struck up conversations with the Ops (3 of
them), finally talking to their leader.  None of them are all too
technical, they don't code and are just into this to make money (through
spam (maybe some extortion?)).  In my conversation last night, I let the
leader know that I am a capable programmer (c/c++ skills) and know
networks.  He asked me to write them a new client, saying that he was
sick of this IRC based net and having to move every so often due to
being shut down (which does no good, because he still retains his Bots).
He says he has a friend with a really large Botnet that uses a
distributed P2P model.

I see an opportunity here.  Not a big one.  Not changing the world.  But
a fun project, nonetheless.  Write a new client for them that isn't IRC
based.  Get them to push this new client to their Bots.  Having written
the code, I can then break apart Botnet from the inside - not giving
them a chance to just hop to another host and even let the victims know
their machines are infected.  Also, it gives opportunity to find out who
these people are (they're in the States).

I'd let certain organizations know what I would be doing (CERT, for
instance) and pass them the source when it was ready to roll.  However,
before doing anything, I'd love to hear what you think.  Let the ethical
debate begin!


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