Detection rules › Sigma
Potential SolidPDFCreator.DLL Sideloading
Detects potential DLL sideloading of "SolidPDFCreator.dll"
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Execution | |
| Stealth |
Telemetry coverage
| Provider | Record / event type |
|---|---|
| Sysmon | Event ID 7: Image loaded |
Rule body
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
Stages and Predicates
Stage 0: condition
selection and not 1 of filter_main_*Stage 1: selection
selection:
ImageLoaded|endswith: '\SolidPDFCreator.dll'
Stage 2: not filter_main_path
filter_main_path:
Image|endswith: '\SolidPDFCreator.exe'
ImageLoaded|startswith:
- 'C:\Program Files (x86)\SolidDocuments\SolidPDFCreator\'
- 'C:\Program Files\SolidDocuments\SolidPDFCreator\'
Exclusions
The rule actively suppresses these predicates.
| Field | Kind | Excluded values | Search |
|---|---|---|---|
ImageLoaded | starts_with | C:\Program Files (x86)\SolidDocuments\SolidPDFCreator\ | excludes:ImageLoaded field:"ImageLoaded" value:"C:\Program Files (x86)\SolidDocuments\SolidPDFCreator\" |
ImageLoaded | starts_with | C:\Program Files\SolidDocuments\SolidPDFCreator\ | excludes:ImageLoaded field:"ImageLoaded" value:"C:\Program Files\SolidDocuments\SolidPDFCreator\" |
Image | ends_with | \SolidPDFCreator.exe | excludes:Image field:"Image" value:"\SolidPDFCreator.exe" |
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
ImageLoaded | ends_with |
| field:"ImageLoaded" kind:ends_with value:"\SolidPDFCreator.dll" |