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RE: TCP stack smashing

To: MARTIN Benoni <benoni.martin@arcelor.com>
Subject: RE: TCP stack smashing
From: "R. DuFresne" <dufresne@sysinfo.com>
Date: Tue, 20 Mar 2007 18:37:46 -0400 (EDT)
Cc: crazy frog crazy frog <i.m.crazy.frog@gmail.com>, Nicolas RUFF <nicolas.ruff@gmail.com>, pen-test@securityfocus.com, bpmlist@sonic.net, pen-test-return-1078483754@securityfocus.com, pen-test-return-1078483814@securityfocus.com
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gotta love it:

Warning:

ISIC may break shit, melt your network, knock out your firewall, or singe the fur off your cat



Use with caution as I posted earlier.


Thanks,

Ron DuFresne


On Tue, 20 Mar 2007, MARTIN Benoni wrote:

Last version is 0.6 and is available here : 
http://www.packetfactory.net/Projects/ISIC/

-----Message d'origine-----
De : listbounce@securityfocus.com [mailto:listbounce@securityfocus.com] De la 
part de R. DuFresne
Envoyé : mardi 20 mars 2007 00:28
À : crazy frog crazy frog
Cc : Nicolas RUFF; pen-test@securityfocus.com; bpmlist@sonic.net; 
pen-test-return-1078483754@securityfocus.com
Objet : Re: TCP stack smashing

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Is that what it's now called?

I have this older version laying about:

isic-0.05.tgz, main credits to Mike Frantzen.

Never found a system I could not crash with that toolset.  Sometimes including 
the sending system...

Thanks,

Ron DuFresne


On Sun, 18 Mar 2007, crazy frog crazy frog wrote:

PROTOS test suit??

On 3/15/07, 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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- -- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
        admin & senior security consultant:  sysinfo.com
                        http://sysinfo.com
Key fingerprint = 9401 4B13 B918 164C 647A  E838 B2DF AFCC 94B0 6629

...We waste time looking for the perfect lover
instead of creating the perfect love.

                -Tom Robbins <Still Life With Woodpecker>
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