Potential Waveedit.DLL Sideloading — Sigma Rule

Rule metadata and linked tags

Author: X__Junior (Nextron Systems). Source status: test; severity: high. Source dates: 2023-06-14 / not supplied.

{
  "category": "image_load",
  "product": "windows"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 3b924a6fe70bb1bf2c4baee2e1c8595757f892a730e669f16b277d8dc57a9944

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

title: Potential Waveedit.DLL Sideloading
id: 71b31e99-9ad0-47d4-aeb5-c0ca3928eeeb
status: test
description: Detects potential DLL sideloading of "waveedit.dll", which is part of the Nero WaveEditor audio editing software.
references:
    - https://www.trendmicro.com/en_us/research/23/f/behind-the-scenes-unveiling-the-hidden-workings-of-earth-preta.html
author: X__Junior (Nextron Systems)
date: 2023-06-14
tags:
    - attack.persistence
    - attack.privilege-escalation
    - attack.execution
    - attack.stealth
    - attack.t1574.001
logsource:
    category: image_load
    product: windows
detection:
    selection:
        ImageLoaded|endswith: '\waveedit.dll'
    filter_main_legit_path:
        Image:
            - 'C:\Program Files (x86)\Nero\Nero Apps\Nero WaveEditor\waveedit.exe'
            - 'C:\Program Files\Nero\Nero Apps\Nero WaveEditor\waveedit.exe'
        ImageLoaded|startswith:
            - 'C:\Program Files (x86)\Nero\Nero Apps\Nero WaveEditor\'
            - 'C:\Program Files\Nero\Nero Apps\Nero WaveEditor\'
    condition: selection and not 1 of filter_main_*
falsepositives:
    - Unlikely
level: high

Original YAML and metadata in JSON

False positives

• Unlikely

Source references

• https://www.trendmicro.com/en_us/research/23/f/behind-the-scenes-unveiling-the-hidden-workings-of-earth-preta.html