cscli scenarios install sigmahq/proc_creation_win_renamed_megasync1type: trigger2name: sigmahq/proc_creation_win_renamed_megasync3description: |4 Detects the execution of a renamed MegaSync.exe as seen used by ransomware families like Nefilim, Sodinokibi, Pysa, and Conti.5filter: |6 (evt.Meta.service == 'sysmon' && evt.Parsed.EventID == '1') && (evt.Parsed.OriginalFileName == 'megasync.exe' && not (evt.Parsed.Image endsWith '\\megasync.exe'))7blackhole: 2m8#status: test9labels:10 service: windows11 confidence: 112 spoofable: 013 classification:14 - attack.t12181516 label: "Renamed MegaSync Execution"17 behavior : "windows:audit"18 remediation: false1920scope:21 type: ParentProcessId22 expression: evt.Parsed.ParentProcessId2324