[Emerging-Sigs] A modest proposal: obfuscated javascript...

Matt Jonkman jonkman at jonkmans.com
Fri Mar 14 10:08:30 EST 2008


We tried a signature like this a year or so ago, just looking for the
unescape and such. If I recall right we had a lot of false positives and
it was a good deal of load.

I'm sure we could handle the load issues by simplifying the rule, but I
think it'll still result in a lot of false positives.

Matt

Michael Stone wrote:
> On Fri, Mar 14, 2008 at 09:01:34AM -0400, [phantom] wrote:
>> Only problem would be the legit sites that use these techniques would  
>> also not be indexed.
> 
> Well, then they should try not doing that; I'm having trouble thinking 
> of a legitimate reason that someone would need to obfuscate their 
> javascript. 
> 
> Mike Stone
> _______________________________________________
> Emerging-sigs mailing list
> Emerging-sigs at emergingthreats.net
> http://lists.emergingthreats.net/mailman/listinfo/emerging-sigs

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Emerging Threats
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