Sigma rule: RedMimicry Winnti Playbook Registry Manipulation

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-64b23f89a5b7, updated 2021-11-27T00:00:00.000Z.

Rule

Title
RedMimicry Winnti Playbook Registry Manipulation
Status
test
Level
high
Author
Alexander Rausch
Date
2020-06-24
Modified
2021-11-27
File
rules/windows/registry/registry_event/registry_event_redmimicry_winnti_reg.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects actions caused by the RedMimicry Winnti playbook

Log source

product
windows
category
registry_event

Detection

selection:
    TargetObject|contains: HKLM\SOFTWARE\Microsoft\HTMLHelp\data
condition: 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/registry/registry_event/registry_event_redmimicry_winnti_reg.yml

Sources and licences

  • SigmaHQ

    "RedMimicry Winnti Playbook Registry Manipulation" by Alexander Rausch (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/registry/registry_event/registry_event_redmimicry_winnti_reg.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: RedMimicry Winnti Playbook Registry Manipulation",
entity page, dataset version ref-64b23f89a5b7, updated 2021-11-27T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/5b175490-b652-4b02-b1de-5b5b4083c5f8 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 5b175490-b652-4b02-b1de-5b5b4083c5f8, 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.