[ale] Monolithic vs Modularised Kernels

[Jason Day]

On Wed, Jul 09, 2003 at 10:34:40AM -0400, John Wells wrote:
> Hmmm...to load modules into the kernel, you have to be root.  So, if a
> 1337 h4X0r is able to load a module, you're probably already pretty
> screwed.
> 
> Or am I missing something?

Yes.  If an attacker can load a custom kernel module, and if he's good
enough, he can make it much harder for you to realize you've been owned.
A kernel module can prevent things like netstat or even ls from finding
an installed rootkit.
-- 
Jason Day                                       jasonday at
http://jasonday.home.att.net                    worldnet dot att dot net
 
"Of course I'm paranoid, everyone is trying to kill me."
    -- Weyoun-6, Star Trek: Deep Space 9
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