Windows

Why Windows can’t follow WSL symlinks

Yarden Shafir
Did you know that symbolic links (or symlinks) created through Windows Subsystem for Linux (WSL) can’t be followed by Windows? I recently encountered this rather frustrating issue as I’ve been using WSL for my everyday work over the last few months. No doubt others have noticed it as well, so I wanted […]

ETW internals for security research and forensics

Yarden Shafir
Why has Event Tracing for Windows (ETW) become so pivotal for endpoint detection and response (EDR) solutions in Windows 10 and 11? The answer lies in the value of the intelligence it provides to security tools through secure ETW channels, which are now also a target for offensive researchers looking to bypass […]

Introducing Windows Notification Facility’s (WNF) Code Integrity

Yarden Shafir, Senior Security Engineer
WNF (Windows Notification Facility) is an undocumented notification mechanism that allows communication inside processes, between processes, or between user mode processes and kernel drivers. Similar to other notification mechanisms like ETW (Event Tracing for Windows) and ALPC (Advanced Local Procedure Call), WNF communication happens over different “channels,” each representing […]