Sigma rule: Suspicious Windows Trace ETW Session Tamper Via Logman.EXE

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-0d703f603e05, updated 2023-02-21T00:00:00.000Z.

Rule

Title
Suspicious Windows Trace ETW Session Tamper Via Logman.EXE
Status
test
Level
high
Author
Florian Roth (Nextron Systems)
Date
2021-02-11
Modified
2023-02-21
File
rules/windows/process_creation/proc_creation_win_logman_disable_eventlog.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects the execution of "logman" utility in order to disable or delete Windows trace sessions

Log source

product
windows
category
process_creation

Detection

selection_img:
    - Image|endswith: '\logman.exe'
    - OriginalFileName: 'Logman.exe'
selection_action:
    CommandLine|contains:
        - 'stop '
        - 'delete '
selection_service:
    CommandLine|contains:
        - 'Circular Kernel Context Logger'
        - 'EventLog-' # Cover multiple traces starting with EventLog-*
        - 'SYSMON TRACE'
        - 'SysmonDnsEtwSession'
condition: all of selection*

False positives (as the rule lists them)

  • Legitimate deactivation by administrative staff
  • Installer tools that disable services, e.g. before log collection agent installation

Tags

  • attack.defense-impairment
  • attack.t1685
  • attack.t1685.005

MITRE ATT&CK ids this rule names

References

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_logman_disable_eventlog.yml

Sources and licences

  • SigmaHQ

    "Suspicious Windows Trace ETW Session Tamper Via Logman.EXE" by Florian Roth (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_logman_disable_eventlog.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: Suspicious Windows Trace ETW Session Tamper Via Logman.EXE",
entity page, dataset version ref-0d703f603e05, updated 2023-02-21T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/cd1f961e-0b96-436b-b7c6-38da4583ec00 (accessed 2026-11-03).
Underlying source: SigmaHQ rule cd1f961e-0b96-436b-b7c6-38da4583ec00, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.