1type: trigger
2name: sigmahq/proc_creation_win_renamed_browsercore
3description: |
4  Detects process creation with a renamed BrowserCore.exe (used to extract Azure tokens)
5filter: |
6  (evt.Meta.service == 'sysmon' && evt.Parsed.EventID == '1') && (evt.Parsed.OriginalFileName == 'BrowserCore.exe' && not (evt.Parsed.Image endsWith '\\BrowserCore.exe'))
7blackhole: 2m
8#status: test
9labels:
10  service: windows
11  confidence: 1
12  spoofable: 0
13  classification:
14   - attack.t1528
15   - attack.t1036.003
16
17  label: "Renamed BrowserCore.EXE Execution"
18  behavior : "windows:audit"
19  remediation: false
20
21scope:
22  type: ParentProcessId
23  expression: evt.Parsed.ParentProcessId
24
25