Elastic Security Detection Rules

Untrusted Driver Loaded

Last updated 5 months ago on 2025-02-03
Created 2 years ago on 2023-01-27

About

Identifies attempt to load an untrusted driver. Adversaries may modify code signing policies to enable execution of unsigned or self-signed code.
Tags
Domain: EndpointOS: WindowsUse Case: Threat DetectionTactic: Defense EvasionData Source: Elastic DefendLanguage: eql
Severity
high
Risk Score
73
MITRE ATT&CK™

Defense Evasion (TA0005)(opens in a new tab or window)

↳ Masquerading (T1036)(opens in a new tab or window)

License
Elastic License v2(opens in a new tab or window)

Definition

Rule Type
Event Correlation Rule
Integration Pack
Prebuilt Security Detection Rules
Index Patterns
logs-endpoint.events.library-*
Related Integrations

endpoint(opens in a new tab or window)

Query
driver where host.os.type == "windows" and process.pid == 4 and
  dll.code_signature.trusted != true and 
  not dll.code_signature.status : ("errorExpired", "errorRevoked", "errorCode_endpoint:*")

Install detection rules in Elastic Security

Detect Untrusted Driver Loaded in the Elastic Security detection engine by installing this rule into your Elastic Stack.

To setup this rule, check out the installation guide for Prebuilt Security Detection Rules(opens in a new tab or window).