Snort mailing list archives
Re: Understanding within
From: "lists () packetmail net" <lists () packetmail net>
Date: Wed, 15 Aug 2012 12:41:32 -0500
On 08/15/12 12:33, Joel Esler wrote:
You cannot apply content keywords to pcre. (So, no, you can't do what you are asking)
Right but he could use the /R flag (like distance:0) to make the PCRE relative
to the last content match. You could also just PCRE-up your within.
Example:
content:"bleh"; content:"blah" within:14;
pcre:"/bleh[^\r\n]{0,10}blah/";
PCRE version 7.8 2008-09-05
re> /bleh[^\r\n]{0,10}blah/
data> blehblah
0: blehblah
data> bleh1234567890blah
0: bleh1234567890blah
data> bleh12345678901blah
No match
data>
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Current thread:
- Understanding within James Lay (Aug 15)
- Re: Understanding within lists () packetmail net (Aug 15)
- Re: Understanding within James Lay (Aug 15)
- Re: Understanding within Joel Esler (Aug 15)
- Re: Understanding within lists () packetmail net (Aug 15)
- Re: Understanding within James Lay (Aug 15)
- Re: Understanding within lists () packetmail net (Aug 15)
- Re: Understanding within Joel Esler (Aug 15)
- Re: Understanding within James Lay (Aug 15)
- Re: Understanding within James Lay (Aug 15)
- Re: Understanding within lists () packetmail net (Aug 15)
