No Errata For U! If you haven’t already, read Part 1 which outlines three neat tricks used by Patchguard. KiErrata420Present The LSTAR MSR can be intercepted using a hypervisor to trap on reads and writes. It is the most common and efficient way to hook syscalls in most modern x86 operating systems. However contrary to […] The post Patchguard: Detection of Hypervisor Based Introspection [P2] appeared first on Reverse Engineering.