[306bobby]

By taking the hardware keys of a compromised device and using it to emulate key master calls

See TrickyStore for more info

[gruez]

How do you get unrevoked keys? Searching around it seems like there aren't any public sources for said keys, and they're only available in semi-public telegram channels. Even then, it's a cat and mouse game, and the more popular the key, the more likely it'll get revoked.