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RE: Possible virus?
From: Joey Peloquin <jpelo1 () jcpenney com>
Date: Mon, 15 Dec 2003 13:32:09 -0600

Jennifer,

Port 6667 is used by IRC servers and many RATs.  69.50.163.130 traces
back to pyroshells.net, which hosts IRCd servers, among other services.

Good luck.

Joey Peloquin


-----Original Message-----
From: Jennifer Fountain [mailto:jfountain () rbinc com] 
Sent: Monday, December 15, 2003 8:47 AM
To: security-basics () securityfocus com
Subject: Possible virus?


Hi all,

I have been seeing a lot of strange traffic hitting my firewall and
cannot get a definite as to what it actually is.

Dec 15 01:42:35 fw.domain.com Dec 15 2003 01:37:38: %PIX-3-106011: Deny
inbound (No xlate) tcp src outside:69.50.163.130/6667 dst
outside:x.x.x.x/2363 Dec 14 10:56:43 fw.domain.com Dec 14 2003 10:51:55:
%PIX-3-106011: Deny inbound (No xlate) tcp src
outside:69.50.163.130/6667 dst outside:x.x.x.x/4001 Dec 13 23:00:15
fw.domain.com Dec 13 2003 22:55:34: %PIX-3-106011: Deny inbound (No
xlate) tcp src outside:69.50.163.130/6667 dst outside:x.x.x.x/2423 Dec
13 23:50:51 fw.domain.com Dec 13 2003 23:46:09: %PIX-4-106023: Deny tcp
src outside:68.34.60.101/6667 dst inside:x.x.x.x/1726 by access-group
"outside_access_in"

From what I am seeing, it is from the same ip and src port - 6667 but
going to different ip and dest ports.  I have seen this activity from
numerous hosts and a dig cannot find anything about them.

I have seen an massive increase of this traffic over the last couple of
days and can't find any conclusive evidence that it may be a virus in
the wild.  Has anyone else seen this type of traffic?

Any information is greatly appreciated.
Jenn

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