Shamoon or DistTrack.A samples

Image from Kaspersky lab

Here are a couple of Shamoon samples. Such destructive malware is rare because it does not really make much sense to destroy computers when you can steal data or use them.  

• Kaspersky Shamoon the Wiper - Copycats at Work 
•  W32/DistTrack.A Norman
• Shamoon, a two-stage targeted attack - Seculert