full-disclosure - Show me the Virrii! (heuristics)

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Message-ID: <20040105121717.61510.qmail@web60805.mail.yahoo.com>
From: sgmasood at yahoo.com (S G Masood)
Subject: Show me the Virrii! (heuristics)

Hi Alex,

Good points.

To add an example, Swen was detected automatically as
"W32.Automat.AHB" by Norton AV before its signatures
were added. When Norton AV detects a new virus based
on heuristics, it usually identifies it as
"W32.Automat.*", with "Automat" probably standing for
"Automatically Detected".

Regards,

--
S.G.Masood




--- starlabs <ashipp@...sagelabs.com> wrote:
> > Does anyone have reliable reports of an antivirus
> system firing 
> > off on a heuristic?
> 
> >I'm not aware of ever having seen one; always seems
> to be a
> >signature.
> 
> 
> As part of my job I regularly evaluate antivirus
> products. I have 
> seen plenty of heuristic detections; all the engines
> have different 
> heuristic capabilities, so some detect more new
> malware than others, 
> and of course some also have more false positives
> than others.
> 
> Your experience might be because you are using a
> poor heuristic
> engine, or because by the time you get a sample of a
> real new
> virus, your vendor has released a signature anyway,
> even if they
> detected it heuristically anyway.
> 
> My findings indicate that the state of the art is
> that most 
> new malware can be detected heuristically these
> days.
> 
> Regards,
> 
> Alex
> 
> 
> 
> 
>
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