[Snort-users] Snort 1U Appliance for Sale on EBay

Frank Knobbe frank at ...9761...
Fri Feb 27 15:42:11 EST 2004

On Fri, 2004-02-27 at 15:43, Brian wrote:
> On Fri, Feb 27, 2004 at 10:21:04AM -0600, Kreimendahl, Chad J wrote:
> > alert tcp $EXTERNAL_NET any -> $HOME_NET any (msg:"Salesman BS Overflow
> > Detected"; pcre:"/turn[-\s]*key/i" classtype:"marketing-mumbojumbo";
> > sid:55378008; rev:1;)

Ain't gonna work. I argue you can't detect sales blurb with signature
based IDS's. Instead, you need to create a plugin to Snort that is based
on statistical analysis of the blurb. Besides "turn-key" you have other
words like "pinnacle", "ubiquitous", "synergy", "core competencies",
"expeditious", "win-win", "fast track", "mindset", "value-added",
"metrics", and of course "paradigm" (besides oodles of others). Only
through statistical analysis of occurrence of these words can you safely
detect sales blurb.

How about spp_bullshit.c? :)


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