Suspicious Windows Trace ETW Session Tamper Via Logman.EXE

calendar Feb 22, 2023 · attack.defense_evasion attack.t1562.001 attack.t1070.001  ·
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Detects the execution of "logman" utility in order to disable or delete Windows trace sessions

Sigma rule (View on GitHub)

 1title: Suspicious Windows Trace ETW Session Tamper Via Logman.EXE
 2id: cd1f961e-0b96-436b-b7c6-38da4583ec00
 3status: test
 4description: Detects the execution of "logman" utility in order to disable or delete Windows trace sessions
 5references:
 6    - https://twitter.com/0gtweet/status/1359039665232306183?s=21
 7    - https://ss64.com/nt/logman.html
 8author: Florian Roth (Nextron Systems)
 9date: 2021/02/11
10modified: 2023/02/21
11tags:
12    - attack.defense_evasion
13    - attack.t1562.001
14    - attack.t1070.001
15logsource:
16    category: process_creation
17    product: windows
18detection:
19    selection_img:
20        - Image|endswith: '\logman.exe'
21        - OriginalFileName: 'Logman.exe'
22    selection_action:
23        CommandLine|contains:
24            - 'stop '
25            - 'delete '
26    selection_service:
27        CommandLine|contains:
28            - 'Circular Kernel Context Logger'
29            - 'EventLog-' # Cover multiple traces starting with EventLog-*
30            - 'SYSMON TRACE'
31            - 'SysmonDnsEtwSession'
32    condition: all of selection*
33falsepositives:
34    - Legitimate deactivation by administrative staff
35    - Installer tools that disable services, e.g. before log collection agent installation
36level: high

References

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  • LOGMAN (perfmon) - Windows CMD - SS64.com

    LOGMAN.exe Manage Performance Monitor & performance logs from the command line. Syntax Logman [create | query | start | stop | delete | update | import | export] [options] Verbs: create Create a ne...


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