Re: Attacks on ssh port

On 18 sept. 2004, at 15:05, Craig Edwards wrote:

> as ive read this is an attack from some kiddie trying to build a 
> floodnet.
>
> records show that most of the compromised boxes are linux machines 
> which end up having suckit rootkit and an energymech installed on 
> them, i dont know if the attacker has ever gotten into a freebsd 
> machine and what they'd do if they did.
>
> On my machines i have a dummy shell which APPEARS to be a successful 
> login but just returns weird errors (such a "Segmentation Fault") or 
> bad data for all commands that are issued, while also logging their 
> commands. im tempted to put this on the 'test' account and let them in 
> on this shell to see what is attempted. just to clarify, if i did such 
> a thing theres no way for them to break out of the shell, right? its a 
> simple perl script, so if the perl script ends, theyre logged off? 
> This is what i expect to happen however i don't want to risk it unless 
> its 100% safe... And just to clarify again all commands that are 
> issued from this fake shell never reach the REAL os, even "uname" 
> returns a redhat 7.2 string when the real machine is actually freebsd 
> 5...
>


I wouldn't do that if I were you, I think it's more interesting and 
safe to create a full jailed system, with a honeypot running in this 
jail (but well, honeypot has to be legal in your country, and that is 
not the case everywhere)

patpro
-- 
je cherche un poste d'admin-sys Mac/UNIX
http://patpro.net/cv.php

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