Re: BTTV detection broken in 2.4.0-test11-pre5

Alexander Viro
2000-11-19T15:20:18Z

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.

Yes, it is. Easily. If you've got root you can modify the kernel image and
reboot the bloody thing. And no, marking it immutable will not help. Open
the raw device and modify relevant blocks.