most likely the typed string will contain more of the user's mother tongue I assume? It's not like an attacker is going to be writing emails on the compromised

most likely the typed string will contain more of the user's mother tongue I assume? It's not like an attacker is going to be writing emails on the compromised machine. Anything they'd actually be typing would probably just be standard Unix commands. I didn't realize the Chinese used standard US keyboards, thanks. That just reinforces my feeling that the claim of "clearly identified" is probably total bullshit.