Sigma rule: HackTool - RedMimicry Winnti Playbook Execution

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-40d10692f163, updated 2023-03-01T00:00:00.000Z.

Rule

Title
HackTool - RedMimicry Winnti Playbook Execution
Status
test
Level
high
Author
Alexander Rausch
Date
2020-06-24
Modified
2023-03-01
File
rules/windows/process_creation/proc_creation_win_hktl_redmimicry_winnti_playbook.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects actions caused by the RedMimicry Winnti playbook a automated breach emulations utility

Log source

product
windows
category
process_creation

Detection

selection:
    Image|endswith:
        - '\rundll32.exe'
        - '\cmd.exe'
    CommandLine|contains:
        - 'gthread-3.6.dll'
        - '\Windows\Temp\tmp.bat'
        - 'sigcmm-2.4.dll'
condition: selection

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.execution
  • attack.stealth
  • attack.t1106
  • attack.t1059.003
  • attack.t1218.011

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/process_creation/proc_creation_win_hktl_redmimicry_winnti_playbook.yml

Sources and licences

  • SigmaHQ

    "HackTool - RedMimicry Winnti Playbook Execution" by Alexander Rausch (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_hktl_redmimicry_winnti_playbook.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: HackTool - RedMimicry Winnti Playbook Execution",
entity page, dataset version ref-40d10692f163, updated 2023-03-01T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/95022b85-ff2a-49fa-939a-d7b8f56eeb9b (accessed 2026-11-03).
Underlying source: SigmaHQ rule 95022b85-ff2a-49fa-939a-d7b8f56eeb9b, 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.