full-disclosure - Re: Snort Signature to detect credit cards

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Message-Id: <5282AD0A-D0AF-484B-BAEE-6B6C075A2A32@jacob-solutions.com>
Date: Thu, 8 May 2008 20:15:49 -0400
From: Christopher Jacob <chris@...ob-solutions.com>
To: wilder_jeff Wilder <wilder_jeff@....com>
Cc: full-disclosure@...ts.grok.org.uk
Subject: Re: Snort Signature to detect credit cards

Jeff,

This isn't hard to do. Regular Expressions are your friends. :)

Google for PCRE.

Just a word of caution. This type of detection tends to be  
computationally expensive.

Good Luck,,,

~chris

On May 8, 2008, at 2:44 PM, wilder_jeff Wilder wrote:

>
> Does anyone have a snort signature to detect credit cards or social  
> security numbers?
>
> Thank you in advance,
>
> Jeff
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