[Snort-users] False Positives on 1:17246

Nigel Houghton nhoughton at ...1935...
Thu Oct 14 11:13:12 EDT 2010

Discussion about rules normally takes place on snort-sigs, so you guys 
probably aren't following the discussion on this rule over there.

In short, the current revision of the rule is 3 and it is now in 

The rule will appear in the deleted.rules for registered users when 
they can download the rules released on October 5th. In the meantime, 
might as well move it there yourselves.

On Thu, 14 Oct 2010 10:12:16 -0400, Josh Little wrote:
> Hash: SHA256
> On 10/14/2010 9:54 AM, Christopher A. Libby wrote:
>> Looks like there are a lot of false positives being generated on
> SPECIFIC-THREATS Multiple vendor Antivirus magic byte detection evasion
> attempt. I haven't had time to review the rule itself to see if I can
> figure out what the issue is exactly - I can supply data if needed.
>> Also - does anyone have a script that could extract the full details of
> the even from the Snorby database? I have a hard time providing data
> using the web-based export methods, as it doesn't contain all the
> information. Thanks!
> I'll second the large amounts of "false positives" on that signature.
> I came in today to several hundred alerts for 17246. The signature src
> addresses are fairly random (banking site, diet site, several ad
> servers, etc) and all are from web traffic (tcp/80).
> Josh Little
> Version: GnuPG v2.0.14 (MingW32)
> Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/
> iF4EAREIAAYFAky3D70ACgkQMRelb3QdcMdRwgD8Cu5ht9XPvwLACcCxRzLhPw42
> AT7DadWHug9oOn/MQ6wA/0MMoOMCEO3A4Q0133V9kkU8tpn7fBNV4ZQxr8ZKDRol
> =vdKL
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Nigel Houghton
Head Mentalist
SF VRT Department of Intelligence Excellence
http://vrt-sourcefire.blogspot.com && http://labs.snort.org/

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