1type: trigger
2name: sigmahq/proc_creation_win_uac_bypass_icmluautil
3description: |
4  Detects the pattern of UAC Bypass using ICMLuaUtil Elevated COM interface
5filter: |
6  (evt.Meta.service == 'sysmon' && evt.Parsed.EventID == '1') && (evt.Parsed.ParentImage endsWith '\\dllhost.exe' && (evt.Parsed.ParentCommandLine contains '/Processid:{3E5FC7F9-9A51-4367-9063-A120244FBEC7}' || evt.Parsed.ParentCommandLine contains '/Processid:{D2E7041B-2927-42FB-8E9F-7CE93B6DC937}') && not (evt.Parsed.Image endsWith '\\WerFault.exe' || evt.Parsed.OriginalFileName == 'WerFault.exe'))
7blackhole: 2m
8#status: test
9labels:
10  service: windows
11  confidence: 1
12  spoofable: 0
13  classification:
14   - attack.t1548.002
15
16  label: "UAC Bypass via ICMLuaUtil"
17  behavior : "windows:audit"
18  remediation: false
19
20scope:
21  type: ParentProcessId
22  expression: evt.Parsed.ParentProcessId
23
24