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Microsoft points finger at the EU for not being able to lock down Windows (www.neowin.net)

submitted 4 months ago by [email protected] to c/[email protected]

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[–] [email protected] 11 points 4 months ago (1 children)

I don't believe there was any specific API in use here, for virus scanning or not. I suppose maybe the device driver API? I am not a kernel developer so I don't know if that's the right term for it.

Crowdstrike's driver was loaded at boot and caused a null pointer dereference error, inside the kernel. In userspace, when this happens, the kernel is there to catch it so only the application that caused it crashes. In kernelspace, you get a BSOD because there's really nothing else to do.

https://youtube.com/watch?v=wAzEJxOo1ts

[–] [email protected] 5 points 4 months ago

I stand corrected. For some reason, I was thinking they used the actual Windows Defender API, which can be called programmatically from third-party applications, but you're correct, it was a driver loaded at boot. Microsoft isn't at all at fault, here.