cscli scenarios install sigmahq/proc_creation_win_rundll32_spawn_explorer1type: trigger2name: sigmahq/proc_creation_win_rundll32_spawn_explorer3description: |4 Detects RunDLL32.exe spawning explorer.exe as child, which is very uncommon, often observes Gamarue spawning the explorer.exe process in an unusual way5filter: |6 (evt.Meta.service == 'sysmon' && evt.Parsed.EventID == '1') && (evt.Parsed.ParentImage endsWith '\\rundll32.exe' && evt.Parsed.Image endsWith '\\explorer.exe' && not (evt.Parsed.ParentCommandLine contains '\\shell32.dll,Control_RunDLL'))7blackhole: 2m8#status: test9labels:10 service: windows11 confidence: 112 spoofable: 013 classification:14 - attack.t1218.0111516 label: "RunDLL32 Spawning Explorer"17 behavior : "windows:audit"18 remediation: false1920scope:21 type: ParentProcessId22 expression: evt.Parsed.ParentProcessId2324