Technical Report by Laboratory of Cryptography and System Security (CrySyS Lab) http://www.crysys.hu/ Budapest University of Technology and Economics Department of Telecommunications http://www.bme.hu/ This report contains information provided by anonymous parties and hence references were edited to preserve their anonymity sKyWIper (a.k.a. Flame a.k.a. Flamer): A complex malware for targeted atta