1type: trigger
2name: sigmahq/proc_creation_win_reg_lsa_ppl_protection_disabled
3description: |
4  Detects the usage of the "reg.exe" utility to disable PPL protection on the LSA process
5filter: |
6  (evt.Meta.service == 'sysmon' && evt.Parsed.EventID == '1') && ((evt.Parsed.Image endsWith '\\reg.exe' || evt.Parsed.OriginalFileName == 'reg.exe') && evt.Parsed.CommandLine contains 'SYSTEM\\CurrentControlSet\\Control\\Lsa' && evt.Parsed.CommandLine contains ' add ' && evt.Parsed.CommandLine contains ' /d 0' && evt.Parsed.CommandLine contains ' /v RunAsPPL ')
7blackhole: 2m
8#status: test
9labels:
10  service: windows
11  confidence: 1
12  spoofable: 0
13  classification:
14   - attack.t1562.010
15
16  label: "LSA PPL Protection Disabled Via Reg.EXE"
17  behavior : "windows:audit"
18  remediation: false
19
20scope:
21  type: ParentProcessId
22  expression: evt.Parsed.ParentProcessId
23
24