Remote DLL Load Via Rundll32.EXE

Description

Detects a remote DLL load event via "rundll32.exe".

Query · sigma

selection:
  Image|endswith: \rundll32.exe
  ImageLoaded|startswith: \\\\
condition: selection

Known false positives

  • Unknown
Raw source Remote DLL Load Via Rundll32.EXE · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified. 
title: Remote DLL Load Via Rundll32.EXE
id: f40017b3-cb2e-4335-ab5d-3babf679c1de
status: test
description: Detects a remote DLL load event via "rundll32.exe".
references:
    - https://github.com/gabe-k/themebleed
    - Internal Research
author: Nasreddine Bencherchali (Nextron Systems)
date: 2023-09-18
tags:
    - attack.execution
    - attack.t1204.002
logsource:
    category: image_load
    product: windows
detection:
    selection:
        Image|endswith: '\rundll32.exe'
        ImageLoaded|startswith: '\\\\'
    condition: selection
falsepositives:
    - Unknown
level: medium

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