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Re: Triggering a complex snort rule (packet forging)
From: Jamie Riden <jamie.riden () gmail com>
Date: Tue, 2 Apr 2013 13:31:47 +0100

You could look at grabbing a real packet and using tcpreplay maybe?


On 2 April 2013 13:28, Asiri Rathnayake <asiri.rathnayake () gmail com> wrote:

Hi Jamie,

Thank you for the quick response!

Wouldn't the easiest way be to set up a page on a remote webserver which
matches the signature (content:"") ? Then you could hit download as much as
you like, and you should get an alert.


For testing the rule repeatedly, yes, this would work.

However, this involves the client (hitting download). What I'm interested
in is if I could simply send packets from outside and trigger the rule
(without having the client to do anything). This is why I was looking into
packet forging, sort of like trying to emulate return traffic from the
server (matching the signature of the rule).

May be I should've been more specific, sorry about that. I need to trigger
the rule from the outside, without depending on the client.

Many thanks.

- Asiri




thanks,
 Jamie
--
Jamie Riden / jamie () honeynet org / jamie.riden () gmail com
http://uk.linkedin.com/in/jamieriden






-- 
Jamie Riden / jamie () honeynet org / jamie.riden () gmail com
http://uk.linkedin.com/in/jamieriden
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