Re: TCP stack smashing

[Mathew Rowley <mathew.rowley () gmail com>]

You may want to check out Scapy... It is a python based tool that can create any type of packet... Its extremly 
powerful but takes a while to figure out.

http://www.secdev.org/projects/scapy/

hope this helps


On Wed, 14 Mar 2007 16:55:11 -0400 (EDT)
"R. DuFresne" <dufresne () sysinfo com> wrote:

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> On Sun, 11 Mar 2007, Nicolas RUFF wrote:
>
> > > I am looking for a tool that can be used to stress the tcp implementation
> > > on our web/application server. I remember there used to be a tool called
> > > EvilTCP that could be integrated
> > > into the bsd/linux kernel to emulate a bad TCP implementation. However I
> > > cannot find it on google. Can anybody help with this or do you know of any
> > > similar utility that I can use to make malformed TCP transactions
> > > (request/response).
> >
> > Not sure if this is what you are looking for, but the ISIC tools
> > collection (and namely TCPSIC) can flood your server with bad TCP fragments.
>
> If I recall, having played with those years ago, if used aggessivly, and 
> merely mildly aggessivly, there was not a TCP stack we could find that did 
> not get hosed to a state requiring a reboot to recover from.  Those are 
> not tools to be played in production envs fer sure.
>
>
> Thanks,
>
> Ron DuFresne
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