On Sun, 19 Nov 2000, David Lang wrote:
> there is a rootkit kernel module out there that, if loaded onto your
> system, can make it almost impossible to detect that your system has been
> compramised. with module support disabled this isn't possible.
Wrong. I've seen messages on bugtraq saying it is possible to "load"
modules into the kernel by patching /dev/kmem. Even for loading modules
custom modules the normal way the attacker needs root priviliges (unless
you have a world-writeable /lib/modules...). If this is the case it is
too late anyway...
Gerd
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