sigmamediumHunting

Potential DLL Sideloading Of MpSvc.DLL

Detects potential DLL sideloading of "MpSvc.dll".

MITRE ATT&CK

privilege-escalationpersistencedefense-evasion

Detection Query

selection:
  ImageLoaded|endswith: \MpSvc.dll
filter_main_generic:
  ImageLoaded|startswith:
    - C:\Program Files\Windows Defender\
    - C:\ProgramData\Microsoft\Windows Defender\Platform\
    - C:\Windows\WinSxS\
condition: selection and not 1 of filter_main_*

Author

Nasreddine Bencherchali (Nextron Systems), Wietze Beukema

Created

2024-07-11

Data Sources

windowsImage Load Events

Platforms

windows

References

https://hijacklibs.net/entries/microsoft/built-in/mpsvc.html

Tags

attack.privilege-escalationattack.persistenceattack.defense-evasionattack.t1574.001

Raw Content

title: Potential DLL Sideloading Of MpSvc.DLL
id: 5ba243e5-8165-4cf7-8c69-e1d3669654c1
status: test
description: Detects potential DLL sideloading of "MpSvc.dll".
references:
    - https://hijacklibs.net/entries/microsoft/built-in/mpsvc.html
author: Nasreddine Bencherchali (Nextron Systems), Wietze Beukema
date: 2024-07-11
tags:
    - attack.privilege-escalation
    - attack.persistence
    - attack.defense-evasion
    - attack.t1574.001
logsource:
    product: windows
    category: image_load
detection:
    selection:
        ImageLoaded|endswith: '\MpSvc.dll'
    filter_main_generic:
        ImageLoaded|startswith:
            - 'C:\Program Files\Windows Defender\'
            - 'C:\ProgramData\Microsoft\Windows Defender\Platform\'
            - 'C:\Windows\WinSxS\'
    condition: selection and not 1 of filter_main_*
falsepositives:
    - Legitimate applications loading their own versions of the DLL mentioned in this rule.
level: medium