Re: Sniffing on a switch

["Stephen J. Smoogen" <smooge () gmail com>]

On 10/27/05, Andy Meyers <andy.meyers () hushmail com> wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Now i know people say you "cant" sniff on a switch and I know about ARP
> poisoning and MAC flooding. But there has to be another way. I have heard
> too many stories about "he sniffed my AIM conversation on a Cisco switch"
> (an example is in the most recent version of 2600). Does anyone know of any
> technique how to do this? Can you ARP poison a switch?
>
> Ashes

Well the easiest way of doing something like this is to just find an
ill-configured smart switch and taking it over. Ill-configured meaning
'default' or weak password, SNMP1, no patches, etc. You then can port
replicate the ports you want to your port and voila you have yourself
a very expensive hub.

--
Stephen J Smoogen.
CSIRT/Linux System Administrator

------------------------------------------------------------------------------
Audit your website security with Acunetix Web Vulnerability Scanner:

Hackers are concentrating their efforts on attacking applications on your
website. Up to 75% of cyber attacks are launched on shopping carts, forms,
login pages, dynamic content etc. Firewalls, SSL and locked-down servers are
futile against web application hacking. Check your website for vulnerabilities
to SQL injection, Cross site scripting and other web attacks before hackers do!
Download Trial at:

http://www.securityfocus.com/sponsor/pen-test_050831
-------------------------------------------------------------------------------