---
id: 4437
title: "Guided tour inside WinDefender’s network inspection driver"
source_domain: blog.quarkslab.com
source_url: "https://blog.quarkslab.com/guided-tour-inside-windefenders-network-inspection-driver.html"
published_at: "2021-07-12T22:00:00Z"
tags: ["microsoft", "reverse-engineering", "kernel", "driver", "windows-defender", "wfp"]
phying_url: "https://phying.com/item/4437"
lang: en
---

# Guided tour inside WinDefender’s network inspection driver

## Summary

A reverse engineering tour of Windows Defender's network inspection driver (WdNisDrv), covering its WFP-based design, the security descriptor protecting the device object, and the bugs it revealed.

## Intelligence Metadata

- **Sources:** blog.quarkslab.com
- **Published:** 2021-07-12T22:00:00Z
- **Original:** https://blog.quarkslab.com/guided-tour-inside-windefenders-network-inspection-driver.html
- **Phying News:** https://phying.com/item/4437