Ninja’s don’t often get trojans, but pirates of Mac software just might… According to an article on MacRumors, there is a pirated copy of iWork 09 floating around torrent-land that has a trojan in it. Apparently it creates /usr/bin/iWorkServices and then puts it in /System/Library/StartupItems. Now, in order to place the files in such a way it’s going to obviously need the user to enter a root password. But then, a regular installer would ask a user to do this too. The trojan has been named OSX.Trojan.iServices.A. Supposedly over 20,000 users have downloaded the infected files from the torrents, but at this time, I am unable to find one to…