Is it possible to use a hypervisor to trap all ring0<->ring3 transitions (both 0->3 and 3->0)?

1 Answer 1


Yes, it is possible. I do not want to go into details as there are a lot of comprehensive material available online:

One of the techniques is to monitor execution of the kernel-mode entering code pointed by IA32_SYSENTER_EIP/IA32_LSTAR.

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service and acknowledge you have read our privacy policy.

Not the answer you're looking for? Browse other questions tagged or ask your own question.