Security Basics mailing list archives

RE: [Full-Disclosure] Caching a sniffer


From: Kenton Smith <ksmith () chartwelltechnology com>
Date: Thu, 11 Mar 2004 11:01:19 -0700

On Thu, 2004-03-11 at 10:43, Mike Fratto wrote:

Your assuming that the attacker 1) has control of the switch and 2) is
sniffing either the uplink or has configured the switch to mirror all the
switch ports or VLAN to the mirror port. 

Neither of which may be the case.

There are many people on this list who have more knowledge of this than
I do, but having control of the switch isn't the only way to sniff a
switched network. All you need is a way of spoofing ARP packets and you
can intercept all the traffic you want. Here's one such set of tools -
http://naughty.monkey.org/~dugsong/dsniff/

Kenton


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