1type: trigger
2name: sigmahq/proc_creation_win_winget_add_insecure_custom_source
3description: |
4  Detects usage of winget to add a new insecure (http) download source. Winget will not allow the addition of insecure sources, hence this could indicate potential suspicious activity (or typos) 
5filter: |
6  (evt.Meta.service == 'sysmon' && evt.Parsed.EventID == '1') && ((evt.Parsed.Image endsWith '\\winget.exe' || evt.Parsed.OriginalFileName == 'winget.exe') && evt.Parsed.CommandLine contains 'source ' && evt.Parsed.CommandLine contains 'add ' && evt.Parsed.CommandLine contains 'http://')
7blackhole: 2m
8#status: test
9labels:
10  service: windows
11  confidence: 1
12  spoofable: 0
13  classification:
14   - attack.t1059
15
16  label: "Add Insecure Download Source To Winget"
17  behavior : "windows:audit"
18  remediation: false
19
20scope:
21  type: ParentProcessId
22  expression: evt.Parsed.ParentProcessId
23
24