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: selection

False 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

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

    Detection Rule License (DRL) 1.1

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.