sigmaDRL-1.1from SigmaHQ/sigma

Potential Libvlc.DLL Sideloading

Detects potential DLL sideloading of "libvlc.dll", a DLL that is legitimately used by "VLC.exe"

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ATT&CK techniques

T1574.001

Rule sourcerules/windows/image_load/image_load_side_load_libvlc.yml

title: Potential Libvlc.DLL Sideloading
id: bf9808c4-d24f-44a2-8398-b65227d406b6
status: test
description: Detects potential DLL sideloading of "libvlc.dll", a DLL that is legitimately used by "VLC.exe"
references:
    - https://www.trendmicro.com/en_us/research/23/c/earth-preta-updated-stealthy-strategies.html
    - https://hijacklibs.net/entries/3rd_party/vlc/libvlc.html
author: X__Junior
date: 2023-04-17
tags:
    - attack.defense-evasion
    - attack.persistence
    - attack.privilege-escalation
    - attack.t1574.001
logsource:
    category: image_load
    product: windows
detection:
    selection:
        ImageLoaded|endswith: '\libvlc.dll'
    filter_main_vlc:
        ImageLoaded|startswith:
            - 'C:\Program Files (x86)\VideoLAN\VLC\'
            - 'C:\Program Files\VideoLAN\VLC\'
    condition: selection and not 1 of filter_main_*
falsepositives:
    - False positives are expected if VLC is installed in non-default locations
level: medium