Sigma rule: Microsoft Malware Protection Engine Crash - WER

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-f966680c3bf9, updated 2023-04-14T00:00:00.000Z.

Rule

Title
Microsoft Malware Protection Engine Crash - WER
Status
test
Level
high
Author
Florian Roth (Nextron Systems)
Date
2017-05-09
Modified
2023-04-14
File
rules/windows/builtin/application/windows_error_reporting/win_application_msmpeng_crash_wer.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

This rule detects a suspicious crash of the Microsoft Malware Protection Engine

Log source

product
windows
service
application

Detection

selection:
    Provider_Name: 'Windows Error Reporting'
    EventID: 1001
    Data|contains|all:
        - 'MsMpEng.exe'
        - 'mpengine.dll'
condition: selection

False positives (as the rule lists them)

  • MsMpEng might crash if the "C:\" partition is full

Tags

  • attack.stealth
  • attack.defense-impairment
  • attack.t1211
  • attack.t1685

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/application/windows_error_reporting/win_application_msmpeng_crash_wer.yml

Sources and licences

  • SigmaHQ

    "Microsoft Malware Protection Engine Crash - WER" by Florian Roth (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/builtin/application/windows_error_reporting/win_application_msmpeng_crash_wer.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: Microsoft Malware Protection Engine Crash - WER",
entity page, dataset version ref-f966680c3bf9, updated 2023-04-14T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/6c82cf5c-090d-4d57-9188-533577631108 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 6c82cf5c-090d-4d57-9188-533577631108, 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.