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Network Security Snort-Signatures
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Re: [Snort-sigs] Re: Question about bleeding Netsky rule?

Subject: Re: [Snort-sigs] Re: Question about bleeding Netsky rule?
Date: Fri, 14 Jan 2005 21:31:21 -0500
That's a good point. I wonder if that worm is even out there in enough numbers to be worth trying to fix the signature?

Anyone seen it lately? I've not for a good while.

I think I'll drop that rule but leave it in the rule file. We have others, and the normal IRC rules will catch the worm as well.

Matt

Chris Keladis wrote:

Hi Matt,

On the subject of virus rules, "BLEEDING-EDGE VIRUS Korgo Worm IRC Connection" (sid:2001289; rev:2;) seems to me a little too broad.

It alerts when any TCP connection is made to selected IPs, to ports 6667:6670.

Some of those IPs include Undernet IRC servers which the Korgo worm possibly used, and therefore FP quite a bit on regular IRC traffic.

Just thought i'd mention it.




Regards,

Chris.




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