Sigma rule: Sysmon Channel Reference Deletion

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-41e706c227dc, updated 2025-10-22T00:00:00.000Z.

Rule

Title
Sysmon Channel Reference Deletion
Status
test
Level
high
Author
Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research)
Date
2020-07-14
Modified
2025-10-22
File
rules/windows/builtin/security/win_security_sysmon_channel_reference_deletion.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Potential threat actor tampering with Sysmon manifest and eventually disabling it

Log source

product
windows
service
security

Detection

selection1:
    EventID: 4657
    ObjectName|contains:
        - 'WINEVT\Publishers\{5770385f-c22a-43e0-bf4c-06f5698ffbd9}'
        - 'WINEVT\Channels\Microsoft-Windows-Sysmon/Operational'
    ObjectValueName: 'Enabled'
    NewValue: 0
selection2:
    EventID: 4663
    ObjectName|contains:
        - 'WINEVT\Publishers\{5770385f-c22a-43e0-bf4c-06f5698ffbd9}'
        - 'WINEVT\Channels\Microsoft-Windows-Sysmon/Operational'
    AccessMask: '0x10000'
condition: 1 of selection*

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.persistence
  • attack.defense-impairment
  • attack.t1112

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/builtin/security/win_security_sysmon_channel_reference_deletion.yml

Sources and licences

  • SigmaHQ

    "Sysmon Channel Reference Deletion" by Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/builtin/security/win_security_sysmon_channel_reference_deletion.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: Sysmon Channel Reference Deletion",
entity page, dataset version ref-41e706c227dc, updated 2025-10-22T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/18beca67-ab3e-4ee3-ba7a-a46ca8d7d0cc (accessed 2026-11-03).
Underlying source: SigmaHQ rule 18beca67-ab3e-4ee3-ba7a-a46ca8d7d0cc, 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.