tokens: A backdoor also known as: Trojan.Sirefef.FR Trojan.Sirefef.FR Win32.Trojan.Sirefef.b Trojan.Sirefef.FR Trojan.Sirefef.FR BackDoor.Maxplus.5220 BehavesLike.Win64.Ramnit.pt Trojan.Win64 Trojan[Backdoor]/Win64.ZAccess Trojan.Sirefef.FR Trojan:Win64/Sirefef.F Trojan.Sirefef.FR Win64/Sirefef.W