Now they talk about OSS zealots DDOSing SCO's website. It is probably one worm written by one virus writer who saw SCO as the liars they are. They are popular target for vitriol, who's gonna mind if you target them for a laugh with your botnet network.
Of course this conclusion would run counter to what they have said about windows being more secure than linux as they don't believe that there is a massive network of comprimised windows XP SP2 boxes out there.
in answer to the question in the subject - both.