1type: trigger
2name: sigmahq/proc_creation_win_powershell_set_acl
3description: |
4  Detects PowerShell execution to set the ACL of a file or a folder
5filter: |
6  (evt.Meta.service == 'sysmon' && evt.Parsed.EventID == '1') && ((evt.Parsed.OriginalFileName in ['PowerShell.EXE', 'pwsh.dll'] || evt.Parsed.Image endsWith '\\powershell.exe' || evt.Parsed.Image endsWith '\\pwsh.exe') && evt.Parsed.CommandLine contains 'Set-Acl ' && evt.Parsed.CommandLine contains '-AclObject ' && evt.Parsed.CommandLine contains '-Path ')
7blackhole: 2m
8#status: test
9labels:
10  service: windows
11  confidence: 1
12  spoofable: 0
13  classification:
14
15  label: "PowerShell Script Change Permission Via Set-Acl"
16  behavior : "windows:audit"
17  remediation: false
18
19scope:
20  type: ParentProcessId
21  expression: evt.Parsed.ParentProcessId
22
23