Detectionmediumexperimental
MMC Loading Script Engines DLLs
Detects when the Microsoft Management Console (MMC) loads the DLL libraries like vbscript, jscript etc which might indicate an attempt to execute malicious scripts within a trusted system process for bypassing application whitelisting or defense evasion.
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Swachchhanda Shrawan Poudel (Nextron Systems)Created Wed Feb 05a9c73e8b-3b2d-4c45-8ef2-5f9a9c9998adwindows
Log Source
WindowsImage Load (DLL)
ProductWindows← raw: windows
CategoryImage Load (DLL)← raw: image_load
Detection Logic
Detection Logic1 selector
detection:
selection:
Image|endswith: '\mmc.exe'
ImageLoaded|endswith:
- '\vbscript.dll'
- '\jscript.dll'
- '\jscript9.dll'
condition: selectionFalse Positives
Legitimate MMC operations or extensions loading these libraries
MITRE ATT&CK
Sub-techniques
Rule Metadata
Rule ID
a9c73e8b-3b2d-4c45-8ef2-5f9a9c9998ad
Status
experimental
Level
medium
Type
Detection
Created
Wed Feb 05
Path
rules/windows/image_load/image_load_win_mmc_loads_script_engine_dll.yml
Raw Tags
attack.executionattack.defense-evasionattack.t1059.005attack.t1218.014