Sigma rule: Wmiprvse Wbemcomn DLL Hijack - File

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-afec910ee58b, updated 2022-12-02T00:00:00.000Z.

Rule

Title
Wmiprvse Wbemcomn DLL Hijack - File
Status
test
Level
critical
Author
Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research)
Date
2020-10-12
Modified
2022-12-02
File
rules/windows/file/file_event/file_event_win_wmiprvse_wbemcomn_dll_hijack.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects a threat actor creating a file named `wbemcomn.dll` in the `C:\Windows\System32\wbem\` directory over the network and loading it for a WMI DLL Hijack scenario.

Log source

product
windows
category
file_event

Detection

selection:
    Image: System
    TargetFilename|endswith: '\wbem\wbemcomn.dll'
condition: selection

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.execution
  • attack.t1047
  • attack.lateral-movement
  • attack.t1021.002

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/file/file_event/file_event_win_wmiprvse_wbemcomn_dll_hijack.yml

Sources and licences

  • SigmaHQ

    "Wmiprvse Wbemcomn DLL Hijack - File" by Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/file/file_event/file_event_win_wmiprvse_wbemcomn_dll_hijack.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: Wmiprvse Wbemcomn DLL Hijack - File",
entity page, dataset version ref-afec910ee58b, updated 2022-12-02T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/614a7e17-5643-4d89-b6fe-f9df1a79641c (accessed 2026-11-03).
Underlying source: SigmaHQ rule 614a7e17-5643-4d89-b6fe-f9df1a79641c, 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.