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Date: Mon, 12 Nov 2018 20:03:31 +0400
From: Ilya Matveychikov <matvejchikov@...il.com>
To: lkrg-users@...ts.openwall.com
Subject: Re: LKRG 0.5



> On Nov 12, 2018, at 7:51 PM, Solar Designer <solar@...nwall.com> wrote:
> 

...

> Is the khook_demo module you have loaded part of what you call a LKRG
> bypass, or is it some unrelated demo/test you ran?  Is it part of what
> caused the crash?

Quick answer about KHOOK. You can find it at github:
https://github.com/milabs/khook

> 
> If it's part of the bypass, then that wouldn't count per our threat
> model unless you loaded the module while under illegitimate root access
> obtained via a kernel vulnerability exploit (in which case "ED" is meant
> to trigger on module loading attempt).  Simple loading of kernel modules
> (including custom ones) as legitimate root is allowed under LKRG -
> including modules that would substantially modify system behavior (e.g.,
> hook functions).

And yes, it’s a part of bypass where the point is that having protection
system (LKRG) and “malicious” module at the same level of abstraction worth
nothing to do with the security.

...

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