From: Axel Dunkel (ad@Dunkel.de)
Date: Mon Jul 15 2002 - 14:52:16 EDT
> Is this hosted on an alternate site other than the geocities site which has
> exceeded the xfer limit?
For a while, I have put it on
http://www.Dunkel.de/download/GRE_sniffing.doc
to help out.
Best regards,
Axel Dunkel
> -----Original Message-----
> From: Penetration Testing [mailto:pentest@infosecure.com.au]
> Sent: Monday, July 15, 2002 2:44 PM
> To: pen-test@securityfocus.com
> Subject: Using a Compromised Router to Capture Network Traffic
>
>
> Hi all.
>
> I have recently completed some experimentation into using a captured router
> to sniff network traffic on a remote network. This is in the same vein as
> Gauis' article in Phrack 56 (Things to do in cisco land when you are dead).
>
> I have tried to build on Gauis' work in that I terminated the GRE tunnel on
> a Cisco router instead of a *nix machine. I explored a couple of possible
> scenarios for this, the net result being that it is possible to remotely
> capture (bi-directional) network traffic using NO customised tools; all that
> is required is one cisco router with vanilla IOS, and a machine that can run
> snoop or tcpdump.
>
> Anyway, if anyone is interested, the document describing the experiment and
> results is available at http://www.geocities.com/david_taylor_au/
> (Word 2000 format). Or, contact me.
>
> Regards,
> Dave Taylor
>
>
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--- Systemberatung A. Dunkel GmbH, Gutenbergstr. 5, D-65830 Kriftel Tel.: +49-6192-9988-0, Fax: +49-6192-9988-99, E-Mail: ad@Dunkel.de ---------------------------------------------------------------------------- This list is provided by the SecurityFocus Security Intelligence Alert (SIA) Service. For more information on SecurityFocus' SIA service which automatically alerts you to the latest security vulnerabilities please see: https://alerts.securityfocus.com/
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