1type: trigger
2name: sigmahq/proc_creation_win_lolbin_manage_bde
3description: |
4  Detects potential abuse of the "manage-bde.wsf" script as a LOLBIN to proxy execution
5filter: |
6  (evt.Meta.service == 'sysmon' && evt.Parsed.EventID == '1') && ((evt.Parsed.Image endsWith '\\wscript.exe' || evt.Parsed.OriginalFileName == 'wscript.exe') && evt.Parsed.CommandLine contains 'manage-bde.wsf' || (evt.Parsed.ParentImage endsWith '\\cscript.exe' || evt.Parsed.ParentImage endsWith '\\wscript.exe') && evt.Parsed.ParentCommandLine contains 'manage-bde.wsf' && not (evt.Parsed.Image endsWith '\\cmd.exe'))
7blackhole: 2m
8#status: test
9labels:
10  service: windows
11  confidence: 1
12  spoofable: 0
13  classification:
14   - attack.t1216
15
16  label: "Potential Manage-bde.wsf Abuse To Proxy Execution"
17  behavior : "windows:audit"
18  remediation: false
19
20scope:
21  type: ParentProcessId
22  expression: evt.Parsed.ParentProcessId
23
24