1type: trigger
2name: sigmahq/proc_creation_win_auditpol_susp_execution
3description: |
4  Threat actors can use auditpol binary to change audit policy configuration to impair detection capability. This can be carried out by selectively disabling/removing certain audit policies as well as restoring a custom policy owned by the threat actor. 
5filter: |
6  (evt.Meta.service == 'sysmon' && evt.Parsed.EventID == '1') && ((evt.Parsed.Image endsWith '\\auditpol.exe' || evt.Parsed.OriginalFileName == 'AUDITPOL.EXE') && (evt.Parsed.CommandLine contains 'disable' || evt.Parsed.CommandLine contains 'clear' || evt.Parsed.CommandLine contains 'remove' || evt.Parsed.CommandLine contains 'restore'))
7blackhole: 2m
8#status: test
9labels:
10  service: windows
11  confidence: 1
12  spoofable: 0
13  classification:
14   - attack.t1562.002
15
16  label: "Audit Policy Tampering Via Auditpol"
17  behavior : "windows:audit"
18  remediation: false
19
20scope:
21  type: ParentProcessId
22  expression: evt.Parsed.ParentProcessId
23
24