Snort mailing list archives

Re: how can we alert on web visiting activity?


From: "evilghost () packetmail net" <evilghost () packetmail net>
Date: Thu, 19 Nov 2009 14:30:47 -0600

NP Joel, the flowbits was a gift.  I think our thread about rawbytes was 
here, 
http://lists.emergingthreats.net/pipermail/emerging-sigs/2009-September/003682.html

Flowbits one was here, 
http://lists.emergingthreats.net/pipermail/emerging-sigs/2009-September/003786.html 
and a few exchanges there.

I'll tap out of this thread now since it's getting off-topic.  I replied 
only to substantiate my assertion about rawbytes after Nigel rebuked me.

-evilghost

Joel Esler wrote:
Well, I don't know anything about the flowbits problem you are talking
about.

But I did ask an email'ed questions to devel about the functionality of
rawbytes since there may be some misunderstanding.

But I wasn't provided any pcaps or anything of problems...

J

On Thu, Nov 19, 2009 at 2:25 PM, evilghost () packetmail net <
evilghost () packetmail net> wrote:

  
It was effectively communicated to Joel Esler who forwarded it to SF
development.  Flowbits are borked too by the way.

Nigel Houghton wrote:
    
On Thu, Nov 19, 2009 at 2:01 PM, evilghost () packetmail net
<evilghost () packetmail net> wrote:

      
What version of Snort are you using?  I have had issues with content
matching working correctly in the 2.8 branch (as have others at Emerging
Threats), I was able to get content matching to work as expected by
using the rawbytes option.  See section 3.5.3 in the Snort manual.

content:"ebay"; nocase; rawbytes;

-evilghost

        
If you have evidence to support your claim, we would like to see it. A
bug report would be good, until then, please refrain from giving
"advice" like this. Your recommendation is detrimental to performance.


      
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