Potential SolidPDFCreator.DLL Sideloading — Sigma Rule

Rule metadata and linked tags

Author: X__Junior (Nextron Systems). Source status: test; severity: medium. Source dates: 2023-05-07 / not supplied.

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

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: ee2f2bbd954b6692a5629910a01146c319274ad19f06a21f097ed5495dbc5e42

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 SolidPDFCreator.DLL Sideloading
id: a2edbce1-95c8-4291-8676-0d45146862b3
status: test
description: Detects potential DLL sideloading of "SolidPDFCreator.dll"
references:
    - https://lab52.io/blog/new-mustang-pandas-campaing-against-australia/
author: X__Junior (Nextron Systems)
date: 2023-05-07
tags:
    - attack.persistence
    - attack.privilege-escalation
    - attack.execution
    - attack.stealth
    - attack.t1574.001
logsource:
    category: image_load
    product: windows
detection:
    selection:
        ImageLoaded|endswith: '\SolidPDFCreator.dll'
    filter_main_path:
        Image|endswith: '\SolidPDFCreator.exe'
        ImageLoaded|startswith:
            - 'C:\Program Files (x86)\SolidDocuments\SolidPDFCreator\'
            - 'C:\Program Files\SolidDocuments\SolidPDFCreator\'
    condition: selection and not 1 of filter_main_*
falsepositives:
    - Unknown
level: medium

Original YAML and metadata in JSON

False positives

• Unknown

Source references

• https://lab52.io/blog/new-mustang-pandas-campaing-against-australia/