Sigma rule: Sysmon Driver Altitude Change
A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-657dc724ddb5, updated 2024-03-25T00:00:00.000Z.
Rule
- Title
- Sysmon Driver Altitude Change
- Status
- test
- Level
- high
- Author
- B.Talebi
- Date
- 2022-07-28
- Modified
- 2024-03-25
- File
- rules/windows/registry/registry_set/registry_set_change_sysmon_driver_altitude.yml
- Commit
- ccbb0369507f796db0b0ae6854c8a2be471b9d84
Detects changes in Sysmon driver altitude value.
If the Sysmon driver is configured to load at an altitude of another registered service, it will fail to load at boot.
Log source
- product
- windows
- category
- registry_set
Detection
selection:
TargetObject|contains: '\Services\'
TargetObject|endswith: '\Instances\Sysmon Instance\Altitude'
condition: selectionFalse positives (as the rule lists them)
- Legitimate driver altitude change to hide sysmon
Tags
- attack.defense-impairment
- attack.t1685
MITRE ATT&CK ids this rule names
References
- https://posts.specterops.io/shhmon-silencing-sysmon-via-driver-unload-682b5be57650
- https://youtu.be/zSihR3lTf7g
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/registry/registry_set/registry_set_change_sysmon_driver_altitude.yml
Sources and licences
SigmaHQ
"Sysmon Driver Altitude Change" by B.Talebi (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/registry/registry_set/registry_set_change_sysmon_driver_altitude.yml.
Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License
Cite this page
Dragons Eye Ransomware Tracker, "Sigma rule: Sysmon Driver Altitude Change",
entity page, dataset version ref-657dc724ddb5, updated 2024-03-25T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/4916a35e-bfc4-47d0-8e25-a003d7067061 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 4916a35e-bfc4-47d0-8e25-a003d7067061, 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.