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Re: Server hacked - next...?



On Thu, 2003-07-03 at 22:30, Mario Lopez wrote:
> In any case if you have a lkm rootkit, your done, dosent matter if 
> you upload static, dinamic or whatever, kernel root kits are hard to
> find, not even lsmod, rmmod can help you because it is quite easy to 
> make a kernel module unloadable or even hiden, some of you may be 
> thinking that they are safe to those kind of attacks because they
> have disabled kernel module support in theyr kernel, well they are 
> wrong :), there is code, and nice white papers explaining how to 
> insert kernel code through /proc/kmem, if I am not wrong Silvio 
> Cesare developed this technique two or three years ago, although it 
> hasent being exploited too much you must be aware of it's existance.

I dont have module support and I dont have /proc/kmem. Am I missing
something ? Running 2.4.20.

Shri

-- 
------------------------------------------------------------------------
Shri Shrikumar       U R Byte Solutions           Tel:   0845 644 4745
I.T. Consultant	     Edinburgh, Scotland          Mob:   0773 980 3499
                     Web: www.urbyte.com          Email: shri@urbyte.com

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