Phoenix Studio
Convert indexed Sigma rules into analyst-ready detections.
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Indexed Rules
3,707
Ready to search
Backends
17
Live from sigconverter.io
CLI Versions
10
Newest: 2.0.2
Translation Workspace
Shape the rule before it leaves Phoenix
Tune Translation
Active Rule
MMC Loading Script Engines DLLs
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
MMC Loading Script Engines DLLs
Using Splunk · Default · sigma-cli 2.0.2
Translation controls
Adjust the rule on the left, then regenerate when you want a fresh backend-native query.
BackendSplunkFormatDefaultVersion2.0.2
title: MMC Loading Script Engines DLLs
id: a9c73e8b-3b2d-4c45-8ef2-5f9a9c9998ad
status: experimental
description: |
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.
references:
- https://tria.ge/241015-l98snsyeje/behavioral2
- https://www.elastic.co/security-labs/grimresource
author: Swachchhanda Shrawan Poudel (Nextron Systems)
date: 2025-02-05
tags:
- attack.execution
- attack.defense-evasion
- attack.t1059.005
- attack.t1218.014
logsource:
category: image_load
product: windows
detection:
selection:
Image|endswith: '\mmc.exe'
ImageLoaded|endswith:
- '\vbscript.dll'
- '\jscript.dll'
- '\jscript9.dll'
condition: selection
falsepositives:
- Legitimate MMC operations or extensions loading these libraries
level: medium
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/windows/image_load/image_load_win_mmc_loads_script_engine_dll.yml