cscli scenarios install sigmahq/proc_creation_win_uac_bypass_computerdefaults1type: trigger2name: sigmahq/proc_creation_win_uac_bypass_computerdefaults3description: |4 Detects tools such as UACMe used to bypass UAC with computerdefaults.exe (UACMe 59)5filter: |6 (evt.Meta.service == 'sysmon' && evt.Parsed.EventID == '1') && ((evt.Parsed.IntegrityLevel in ['High', 'System']) && evt.Parsed.Image == 'C:\\Windows\\System32\\ComputerDefaults.exe' && not (evt.Parsed.ParentImage contains ':\\Windows\\System32' || evt.Parsed.ParentImage contains ':\\Program Files'))7blackhole: 2m8#status: test9labels:10 service: windows11 confidence: 112 spoofable: 013 classification:14 - attack.t1548.0021516 label: "UAC Bypass Tools Using ComputerDefaults"17 behavior : "windows:audit"18 remediation: false1920scope:21 type: ParentProcessId22 expression: evt.Parsed.ParentProcessId2324