1type: trigger
2name: sigmahq/proc_creation_win_dism_enable_powershell_web_access_feature
3description: |
4  Detects the use of DISM to enable the PowerShell Web Access feature, which could be used for remote access and potential abuse
5filter: |
6  (evt.Meta.service == 'sysmon' && evt.Parsed.EventID == '1') && ((evt.Parsed.Image endsWith '\\dism.exe' || evt.Parsed.OriginalFileName == 'DISM.EXE') && evt.Parsed.CommandLine contains 'WindowsPowerShellWebAccess' && evt.Parsed.CommandLine contains '/online' && evt.Parsed.CommandLine contains '/enable-feature')
7blackhole: 2m
8#status: test
9labels:
10  service: windows
11  confidence: 1
12  spoofable: 0
13  classification:
14   - attack.t1548.002
15
16  label: "PowerShell Web Access Feature Enabled Via DISM"
17  behavior : "windows:audit"
18  remediation: false
19
20scope:
21  type: ParentProcessId
22  expression: evt.Parsed.ParentProcessId
23
24