1type: trigger
2name: sigmahq/proc_creation_win_regedit_export_critical_keys
3description: |
4  Detects the export of a crital Registry key to a file.
5filter: |
6  (evt.Meta.service == 'sysmon' && evt.Parsed.EventID == '1') && ((evt.Parsed.Image endsWith '\\regedit.exe' || evt.Parsed.OriginalFileName == 'REGEDIT.EXE') && (evt.Parsed.CommandLine contains ' -E ' || evt.Parsed.CommandLine contains ' /E ' || evt.Parsed.CommandLine contains ' –E ' || evt.Parsed.CommandLine contains ' —E ' || evt.Parsed.CommandLine contains ' ―E ') && (evt.Parsed.CommandLine contains 'hklm' || evt.Parsed.CommandLine contains 'hkey_local_machine') && (evt.Parsed.CommandLine endsWith '\\system' || evt.Parsed.CommandLine endsWith '\\sam' || evt.Parsed.CommandLine endsWith '\\security'))
7blackhole: 2m
8#status: test
9labels:
10  service: windows
11  confidence: 1
12  spoofable: 0
13  classification:
14   - attack.t1012
15
16  label: "Exports Critical Registry Keys To a File"
17  behavior : "windows:audit"
18  remediation: false
19
20scope:
21  type: ParentProcessId
22  expression: evt.Parsed.ParentProcessId
23
24