rule APT1_Revird_svc { meta: author = "AlienVault Labs" info = "CommentCrew-threat-apt1" strings: $dll1 = "nwwwks.dll" wide ascii $dll2 = "rdisk.dll" wide ascii $dll3 = "skeys.dll" wide ascii $dll4 = "SvcHost.DLL.log" wide ascii $svc1 = "InstallService" wide ascii $svc2 = "RundllInstallA" wide ascii $svc3 = "RundllUninstallA" wide ascii $svc4 = "ServiceMain" wide ascii $svc5 = "UninstallService" wide ascii condition: 1 of ($dll*) and 2 of ($svc*) }