Re: 'Vitriol' Rootkit to Demo at MS BlueHat Hacker Summit

["Dude VanWinkle" <dudevanwinkle () gmail com>]

On 10/18/06, Blue Boar <BlueBoar () thievco com> wrote:
> Larry Seltzer wrote:
> > Isn't any operating system vulnerable to hypervisor-based malware?
>
> Yes, if you're running on hardware that has a supervisor mode at least
> one level deeper than the OS itself uses.  And you can get to the
> privilege mode that allows you to load such a hypervisor.
>
> For modern OSes and Intel/AMD processors that support their new hardware
> virtualization feature, you can load a hypervisor module if you can run
> from Ring 0, aka the kernel.
>
> It's decades old on IBM hardware.  Or you can consider Windows 95 to be
> a hypervisor for DOS.


Are all hypervisors considered to be Operating Systems? Are the
creators writing their own kernel and such?

just wondering,

-JP
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