Disable of ETW Trace - Powershell

calendar Oct 18, 2023 · attack.defense_evasion attack.t1070 attack.t1562.006 car.2016-04-002  ·
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Detects usage of powershell cmdlets to disable or remove ETW trace sessions

Sigma rule (View on GitHub)

 1title: Disable of ETW Trace - Powershell
 2id: 115fdba9-f017-42e6-84cf-d5573bf2ddf8
 3related:
 4    - id: a238b5d0-ce2d-4414-a676-7a531b3d13d6
 5      type: derived
 6status: test
 7description: Detects usage of powershell cmdlets to disable or remove ETW trace sessions
 8references:
 9    - https://medium.com/palantir/tampering-with-windows-event-tracing-background-offense-and-defense-4be7ac62ac63
10author: Nasreddine Bencherchali (Nextron Systems)
11date: 2022/06/28
12modified: 2022/11/25
13tags:
14    - attack.defense_evasion
15    - attack.t1070
16    - attack.t1562.006
17    - car.2016-04-002
18logsource:
19    product: windows
20    category: ps_script
21    definition: 'Requirements: Script Block Logging must be enabled'
22detection:
23    selection_pwsh_remove:   # Autologger provider removal
24        ScriptBlockText|contains: 'Remove-EtwTraceProvider '
25    selection_pwsh_set:   # Provider “Enable” property modification
26        ScriptBlockText|contains|all:
27            - 'Set-EtwTraceProvider '
28            - '0x11'
29    condition: 1 of selection*
30falsepositives:
31    - Unknown
32level: high

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