He's not personally accused of selling Kronos in the indictment; his unnamed co-conspirator is.

(That co-conspirator is unnamed to us, but most probably is someone clearly known to the DOJ).

The indictment itself is pretty bare. But an indictment isn't a trial; the DOJ will need to prove its charges to a jury with a considerable amount of evidence, and, as Orin Kerr pointed out last night, they have an uphill climb ahead of themselves, because the letter of the law is favorable to people who create and sell banking trojans.