From: Maximiliano Pérez (mp@overflow.com.ar)
Date: Wed Jun 12 2002 - 16:41:10 EDT
How about making a tunnel and proxy arping?
cheers.
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De: omegatron@hushmail.com [mailto:omegatron@hushmail.com]
Enviado el: Wednesday, June 12, 2002 2:26 AM
Para: pen-test@securityfocus.com
Asunto: Sniff/Source Route Cisco Router Traffic?
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Hi,
Performing a pen-test on a class C network, and I've gained privileged
access to the main router on the client's network. It is a Cisco 2600, and
appears to sit in front of a firewall (although the fw is transparent at
this point). It is directly connected via a Ethernet interface to the entire
network, and it doesn't appear to be doing any NAT/masquerading.
The firewall(s) still filters traffic from the router (the router is does
not appear "trusted"). I was wondering if there was a way to sniff or route
(source route?) traffic that is destined to the client's network to my own
machine on the Internet and capture that traffic while allowing it to pass
thru to the client's network unmodified and with little packet loss.
Are there any other tricks I can do with admin access (aside from obvious
DoS attacks) to the external router? For clarification, I have the Cisco
2600 privileged password and can telnet to the router remotely.
I cannot identify the firewall via port scans or any manner of filter
bypassing/firewalking, although I'd love to hear some suggestions.
Thanks,
o.
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