[Snort-users] pcaps for triggering rules

Pratik Narang pratik.cse.bits at ...11827...
Fri Aug 24 09:14:58 EDT 2012

On Fri, Aug 24, 2012 at 1:31 PM, Peter Bates <peter.bates at ...15381...> wrote:
> Hash: SHA1
> Hello all
> On 24/08/2012 07:26, Pratik Narang wrote:
>> A good deal of Snort rules do a 'content' check. Can I use some
>> utility so that I may be able to craft or tamper packets just to
>> suit them to trigger Snort rules of my choice? Essentially, I
>> guess, I am asking if I can create sample pcaps or modify actual
>> pcap captures which will trigger certain rules.
> Others have replied with better suggestions but I just thought I'd
> also suggest Pytbull - http://pytbull.sourceforge.net/
> Last time I tried it out most of the 'content' checks failed dismally
> but then they are for the download of very specific malware.

That is an interesting piece of information for me. So if 'content'
checks are for "very specific malware" downloads, what other option do
I have to do some testing with Snort rules?


> - --
> Peter Bates
> Senior Computer Security Officer    Phone: +44(0)2076792049
> Information Services Division       Internal Ext: 32049
> University College London
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