[Intrusions] Assessing Your Malware Exposure with Snort

Matt Jonkman matt at infotex.com
Sun Feb 20 16:19:47 GMT 2005


My concern is sensor load with that many pcre's though. What are you 
seeing? is it pushing sensors into packet dropping to keep up?

Matt

Mark E. Donaldson wrote:
>  Thanks. These are great and error-free. I've got them running on five
> sensors without a single adjust required.
> 
> -----Original Message-----
> From: intrusions-bounces at lists.sans.org
> [mailto:intrusions-bounces at lists.sans.org] On Behalf Of Cory.Bys at fbol.com
> Sent: Tuesday, February 15, 2005 8:39 AM
> To: intrusions at lists.sans.org
> Subject: [Intrusions] Assessing Your Malware Exposure with Snort
> 
> I have written a few thousand Snort rules that are intended to detect
> successful HTTP communication with hosts known to be evil. They look for
> domain names in the Host string so they are not subject to evasion by
> changing IP addresses.
> 
> If you would like to give them a try you can grab them from
> http://www.kgb.to/malware.html .
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-- 
--------------------------------------------
Matthew Jonkman, CISSP
Senior Security Engineer
Infotex
765-429-0398 Direct Anytime
765-448-6847 Office
866-679-5177 24x7 NOC
my.infotex.com
www.offsitefilter.com
www.bleedingsnort.com
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