Iran claims that it had identified another espionage virus named "Stars" which is designed to gain control over Iran's government institutions.
the virus has been identified but who is behind it is yet to be made public.
Iran has experienced second attack of this kind. The First was Stuxnet Worm which was created to gain access of the equipment used in Iranian nuclear programme . it also infected some 30,000 computerised industrial equipment and hit Nantanz Nuclear enrichment Plant in 2010 .
Iranian Officials alleged Israel and US for such software because the both desperately want to check it's nuclear ambitions.
