Re: Am I owned on port 27665

[nick <nick () mobilia it>]

Faheem SIDDIQUI wrote:
> On my Cisco Router, I do a nmap from outside on the Internet. The result 
> is:
>
> " Interesting ports on *.*.50.1:
> Not shown: 1676 closed ports
> PORT STATE SERVICE
> 23/tcp filtered telnet
> 135/tcp filtered msrpc
> 1524/tcp filtered ingreslock
> 27665/tcp filtered Trinoo_Master
>
> I am worried about the last two entries. The last nmap was done in Feb 
> this year and I have confirmed that the two ports did not exist.
> Though the state "filtered" is a solace but I am still concerned. How 
> can O be sure that the system has not been compromised?
>
> Also the current IOS Version on my Router is 12.4. It was the same case 
> when I was using older v 12.2 on another router, so I thought maybe, 
> it's an IOS issue and I upgraded my Router to 2811 with IOS v 12.4.
>
> But as soon as I plugged it into the circuit, I realised the nmap again 
> gives the trinoo_master entry with state as filtered.
>
> Where could lie the problem. Is it with my firewall configuration behind 
> the router?

DOh!!!

http://staff.washington.edu/dittrich/misc/trinoo.analysis

Looks like trinoo is a DDOS controller.

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