Sigma rule: Potential Ursnif Malware Activity - Registry

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-58bf4256a777, updated 2025-10-22T00:00:00.000Z.

Rule

Title
Potential Ursnif Malware Activity - Registry
Status
test
Level
high
Author
megan201296
Date
2019-02-13
Modified
2025-10-22
File
rules-emerging-threats/2019/Malware/Ursnif/registry_add_malware_ursnif.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects registry keys related to Ursnif malware.

Log source

product
windows
category
registry_add

Detection

selection:
    TargetObject|endswith: '\Software\AppDataLow\Software\Microsoft\3A861D62-51E0-7C9D-AB0E-15700F2219A4'
condition: selection

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.persistence
  • attack.execution
  • attack.defense-impairment
  • attack.t1112
  • detection.emerging-threats

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-emerging-threats/2019/Malware/Ursnif/registry_add_malware_ursnif.yml

Sources and licences

  • SigmaHQ

    "Potential Ursnif Malware Activity - Registry" by megan201296 (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules-emerging-threats/2019/Malware/Ursnif/registry_add_malware_ursnif.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 Ursnif Malware Activity - Registry",
entity page, dataset version ref-58bf4256a777, updated 2025-10-22T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/21f17060-b282-4249-ade0-589ea3591558 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 21f17060-b282-4249-ade0-589ea3591558, 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.