They were also curious to know if McGurk’s team could tell who the intended target was. And finally they asked if there was anything in the code that gave away its source. McGurk told them no, there were no clues revealing who was behind the attack.
nsa asked the researchers into stuxnet if they could tell the target or the source of the worm.
Later says it wouldn’t have been appropriate for researchers to ask CIA/NSA if the world was the US’s work (though they were certainly curious and speculating)
But later McGurk says, “Never did I get the impression that, you know, they already knew this … and they were just hoping that I would go away.” So either they didn’t know or the IC leadership were really good poker players.

