full-disclosure - Pentesting an IDP-System

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From: Oliver at greyhat.de (Oliver@...yhat.de)
Subject: Pentesting an IDP-System

ph03n1x wrote:

>Hello
>
>I'm kinda new to this list and this is my first post so be nice to me :)
>
>Well I got an Intrusion Detection and Prevention System from a quite
>famous company which they lend me for betatesting. I already compiled a
>few exploits to test and it detected them quite reliable. (Didnt detect
>the exploit but detected the shellcode)
>
>Do you guys have an idea how i could test it more efficiently, is there
>some software that automatically tries to attack with a bunch of the
>most common and new exploits so i dont have to do it manually?
>Preferably some GPL or other "free" stuff since i dont have a budget for
>this.
>
>What are the must criterias for an IDP would appreciate any links or
>papers.
>
>
>thx for tips
>
>ph
>
>_______________________________________________
>Full-Disclosure - We believe in it.
>Charter: http://lists.netsys.com/full-disclosure-charter.html
>
>  
>
There is a tool called IDS Informer, but i never used it.
Fragrouter can be used for some fragmentation tests.

Maybe you can use ip fragmentation to overwrite destination port of 
tcp-header. This migth help to fool some IDS-Systems, using PAD 
(protocol anomaly detection)
which determines the protocoll by reading the destport.

/Oliver