The blog discusses PatchGuard, or Kernel Patch Protection (KPP), a critical security feature in Windows that protects the kernel from unauthorized modifications. It explains how PatchGuard operates asynchronously to monitor key kernel structures, triggers a blue screen of death (BSOD) upon detecting tampering, and delves into its initialization process and the challenges of reverse engineering it. Additionally, the article hints at potential bypasses for this security mechanism.
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