Sigma rule: Potential EventLog File Location Tampering

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-99e940c6a7fd, updated 2023-08-17T00:00:00.000Z.

Rule

Title
Potential EventLog File Location Tampering
Status
test
Level
high
Author
D3F7A5105
Date
2023-01-02
Modified
2023-08-17
File
rules/windows/registry/registry_set/registry_set_evtx_file_key_tamper.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects tampering with EventLog service "file" key. In order to change the default location of an Evtx file. This technique is used to tamper with log collection and alerting

Log source

product
windows
category
registry_set

Detection

selection:
    TargetObject|contains: '\SYSTEM\CurrentControlSet\Services\EventLog\'
    TargetObject|endswith: '\File'
filter:
    Details|contains: '\System32\Winevt\Logs\'
condition: selection and not filter

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.defense-impairment
  • attack.t1685.001

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_evtx_file_key_tamper.yml

Sources and licences

  • SigmaHQ

    "Potential EventLog File Location Tampering" by D3F7A5105 (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/registry/registry_set/registry_set_evtx_file_key_tamper.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: Potential EventLog File Location Tampering",
entity page, dataset version ref-99e940c6a7fd, updated 2023-08-17T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/0cb8d736-995d-4ce7-a31e-1e8d452a1459 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 0cb8d736-995d-4ce7-a31e-1e8d452a1459, 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.