Re: Fwd: How to detect OS with Snort?

[waldo kitty <wkitty42 () windstream net>]

On 5/8/2012 15:25, Borja Luaces wrote:
> Firstly, thanks.
>
> i know that Nmap is a better tool but the fact is that the rule is to detect
> specific attacks from windows OS. The company I work for does not allow me to
> install anything else. I have to do it with snort this is why I am trying that
> rule but it seems not to work.

what does it matter what OS an attack originates from? detect the atack and 
drop, alert or block as necessary... what i saw your rule doing appeared to be 
only detecting possible user agents in http headers but those are faked all the 
time with valid ones appearing along with invalid ones... i can tell you that 
they are coming from all different OS' no matter what OS the UA says it is... 
witness forum spammer's tools and infiltration techniques...


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