Sigma rule: Suspicious Encoded Scripts in a WMI Consumer

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-3c035b8179c0, updated 2022-10-09T00:00:00.000Z.

Rule

Title
Suspicious Encoded Scripts in a WMI Consumer
Status
test
Level
high
Author
Florian Roth (Nextron Systems)
Date
2021-09-01
Modified
2022-10-09
File
rules/windows/wmi_event/sysmon_wmi_susp_encoded_scripts.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects suspicious encoded payloads in WMI Event Consumers

Log source

product
windows
category
wmi_event

Detection

selection_destination:
    Destination|base64offset|contains:
        - 'WriteProcessMemory'
        - 'This program cannot be run in DOS mode'
        - 'This program must be run under Win32'
condition: selection_destination

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.privilege-escalation
  • attack.execution
  • attack.t1047
  • attack.persistence
  • attack.t1546.003

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/wmi_event/sysmon_wmi_susp_encoded_scripts.yml

Sources and licences

  • SigmaHQ

    "Suspicious Encoded Scripts in a WMI Consumer" by Florian Roth (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/wmi_event/sysmon_wmi_susp_encoded_scripts.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: Suspicious Encoded Scripts in a WMI Consumer",
entity page, dataset version ref-3c035b8179c0, updated 2022-10-09T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/83844185-1c5b-45bc-bcf3-b5bf3084ca5b (accessed 2026-11-03).
Underlying source: SigmaHQ rule 83844185-1c5b-45bc-bcf3-b5bf3084ca5b, 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.