SigmaHQ/rules/windows/sysmon/sysmon_susp_office_dsparse_dll_load.yml

title: Active Directory Parsing DLL Loaded Via Office Applications
id: a2a3b925-7bb0-433b-b508-db9003263cc4
status: experimental
description: Detects DSParse DLL being loaded by an Office Product
references:
    - https://medium.com/threatpunter/detecting-adversary-tradecraft-with-image-load-event-logging-and-eql-8de93338c16
author: Antonlovesdnb
date: 2020/02/19
tags:
    - attack.initial_access
    - attack.t1193
logsource:
    product: windows
    service: sysmon
detection:
    selection:
        EventID: 7
        Image:
            - '*\winword.exe'
            - '*\powerpnt.exe'
            - '*\excel.exe'
            - '*\outlook.exe'
        ImageLoaded:
            - '*\dsparse.dll*'
    condition: selection
falsepositives:
    - Alerts on legitimate macro usage as well, will need to filter as appropriate
level: high