Sigma rule: WMI Execution Via Office Process

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-5d9d8b4a1d3e, updated 2023-02-04T00:00:00.000Z.

SigmaHQ marks this rule as deprecated.

Rule

Title
WMI Execution Via Office Process
Status
deprecated
Level
medium
Author
Vadim Khrykov (ThreatIntel), Cyb3rEng (Rule)
Date
2021/08/23
Modified
2023/02/04
File
deprecated/windows/proc_creation_win_wmic_execution_via_office_process.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Initial execution of malicious document calls wmic to execute the file with regsvr32

Log source

product
windows
category
process_creation

Detection

selection_img:
    - Image|endswith: '\wbem\WMIC.exe'
    - OriginalFileName: 'wmic.exe'
selection_parent:
    ParentImage|endswith:
        - '\winword.exe'
        - '\excel.exe'
        - '\powerpnt.exe'
condition: all of selection_*

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.t1204.002
  • attack.t1047
  • attack.t1218.010
  • attack.execution
  • attack.defense_evasion

MITRE ATT&CK ids this rule names

Related rules

References

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/deprecated/windows/proc_creation_win_wmic_execution_via_office_process.yml

Sources and licences

  • SigmaHQ

    "WMI Execution Via Office Process" by Vadim Khrykov (ThreatIntel), Cyb3rEng (Rule) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/deprecated/windows/proc_creation_win_wmic_execution_via_office_process.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: WMI Execution Via Office Process",
entity page, dataset version ref-5d9d8b4a1d3e, updated 2023-02-04T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/518643ba-7d9c-4fa5-9f37-baed36059f6a (accessed 2026-11-03).
Underlying source: SigmaHQ rule 518643ba-7d9c-4fa5-9f37-baed36059f6a, 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.