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Public Directory policy

One canonical business record, many useful public signals.

This page presents the current public Directory profile. Registry verification, business ownership, crawler evidence and agent capabilities remain separate signals rather than being collapsed into one vague “verified” badge.

Canonical record One public listing identity for this business.
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Structured public business summary

Alex Ionescu’s Blog

Alex Ionescu’s Blog – Windows Internals, Thoughts on Security, and Reverse Engineering Skip to content Alex Ionescu’s Blog Windows Internals, Thoughts on Security, and Reverse Engineering Menu Windows Internals Training Scroll down to content Posts Posted on January 27, 2019 March 3, 2019 Writing a Hyper-V “Bridge” for Fuzzing — Part 2 : Hypercalls & MDLs Introduction Previously, in Part 1 , we were able to see how the Windows Driver Foundation (WDF) can significantly simplify the development of drivers, including even “research-type” non-PnP drivers. In this part, we will now enter the guts of Hyper-V and talk about how hypercalls work (a portmanteau of syscall (system call) as applied when talking about an OS->Hypervisor transition instead of an App->OS transition). First, it’s important to learn that there are two kinds of hypercalls that Hyper-V supports, which are described in the Top Level Functional Specification (TLFS) .

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  • Engineering & Technical Services (primary)

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Directory status

Registry verification: Not Registry Verified

Directory score: 74

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