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Network Security Snort-Signatures
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Re: [Snort-sigs] typot false positives?

Subject: Re: [Snort-sigs] typot false positives?
Date: Mon, 6 Sep 2004 13:44:55 +0200
Hi,

On Monday 06 September 2004 13:40, Joerg Weber wrote:
does anyone else experience apparently false positives with sid 2182?

alert tcp $EXTERNAL_NET any -> $HOME_NET any (msg:"BACKDOOR typot trojan
traffic"; flags:S,12; window:55808; flow:stateless;
classtype:trojan-activity; reference:mcafee,100406; sid:2182; rev:7;)

Anyone else?

Yes, i have many fp's with file sharing traffic. If i understood correctly, 
the typot trojan choose a random dst port, so i wrote a pass rule for that 
ports, i have a lot fp's on.

regards,
andreas



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