An advanced spying tool, Regin displays a degree of technical competence rarely seen and has been used in spying operations against governments, infrastructure operators, businesses, researchers, and private individuals.
more here.........http://www.symantec.com/connect/blogs/regin-top-tier-espionage-tool-enables-stealthy-surveillance
more here.........http://www.symantec.com/connect/blogs/regin-top-tier-espionage-tool-enables-stealthy-surveillance