Sigma rule: T1047 Wmiprvse Wbemcomn DLL Hijack

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-f387cf45995b, updated 2022-02-24T00:00:00.000Z.

Rule

Title
T1047 Wmiprvse Wbemcomn DLL Hijack
Status
test
Level
high
Author
Roberto Rodriguez @Cyb3rWard0g, Open Threat Research (OTR)
Date
2020-10-12
Modified
2022-02-24
File
rules/windows/builtin/security/win_security_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 for a WMI DLL Hijack scenario.

Log source

product
windows
service
security

Detection

selection:
    EventID: 5145
    RelativeTargetName|endswith: '\wbem\wbemcomn.dll'
filter:
    SubjectUserName|endswith: '$'
condition: selection and not filter

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/builtin/security/win_security_wmiprvse_wbemcomn_dll_hijack.yml

Sources and licences

  • SigmaHQ

    "T1047 Wmiprvse Wbemcomn DLL Hijack" by Roberto Rodriguez @Cyb3rWard0g, Open Threat Research (OTR) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/builtin/security/win_security_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: T1047 Wmiprvse Wbemcomn DLL Hijack",
entity page, dataset version ref-f387cf45995b, updated 2022-02-24T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/f6c68d5f-e101-4b86-8c84-7d96851fd65c (accessed 2026-11-03).
Underlying source: SigmaHQ rule f6c68d5f-e101-4b86-8c84-7d96851fd65c, 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.