Microsoft Malware Protection Engine Crash

calendar Apr 28, 2026 · attack.stealth attack.defense-impairment attack.t1211 attack.t1685  ·
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This rule detects a suspicious crash of the Microsoft Malware Protection Engine

Sigma rule (View on GitHub)

 1title: Microsoft Malware Protection Engine Crash
 2id: 545a5da6-f103-4919-a519-e9aec1026ee4
 3related:
 4    - id: 6c82cf5c-090d-4d57-9188-533577631108
 5      type: similar
 6status: test
 7description: This rule detects a suspicious crash of the Microsoft Malware Protection Engine
 8references:
 9    - https://bugs.chromium.org/p/project-zero/issues/detail?id=1252&desc=5
10    - https://technet.microsoft.com/en-us/library/security/4022344
11author: Florian Roth (Nextron Systems)
12date: 2017-05-09
13modified: 2023-04-14
14tags:
15    - attack.stealth
16    - attack.defense-impairment
17    - attack.t1211
18    - attack.t1685
19logsource:
20    product: windows
21    service: application
22    # warning: The 'data' field used in the detection section is the container for the event data as a whole. You may have to adapt the rule for your backend accordingly
23detection:
24    selection:
25        Provider_Name: 'Application Error'
26        EventID: 1000
27        Data|contains|all:
28            - 'MsMpEng.exe'
29            - 'mpengine.dll'
30    condition: selection
31falsepositives:
32    - MsMpEng might crash if the "C:\" partition is full
33level: high

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