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pmalynin
on Aug 7, 2015
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X86 rootkit
Eh, ring-2 is pretty lame. Most code either runs in ring-3 or ring-0. I'm not even sure how one would even get to ring-2.
mappu
on Aug 7, 2015
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Ring negative-2, not ring 2. It represents SMM (-2) under the hypervisor (-1) under root (0).
Although OS/2 and eComstation use ring 2 a lot which made them hard to emulate for a while.
recentdarkness
on Aug 7, 2015
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ring (-2) not ring (2)
rootlocus
on Aug 7, 2015
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Read us-15-Domas-TheMemorySinkhole.pdf for an in depth explanation.
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