Defender – Using KQL to detect a PowerShell Downgrade to version 2

Learn how to use KQL to detect PowerShell downgrades to version 2 in Defender. This guide covers best practices for boosting system security by identifying vulnerabilities caused by outdated PowerShell versions.

Tutorial Defender – Using KQL to detect a PowerShell Downgrade to version 2

Access the Microsoft Defender portal.

Access the Advanced hunting option.

The path to Advanced hunting.

On the Advanced hunting screen, create a new query.

he KQL query to detect a PowerShell Downgrade to version 2.

This KQL query is designed to detect devices that started an older version of Powershell.

Implementing Defender’s KQL queries effectively detects PowerShell downgrades to version 2, enhancing cybersecurity measures and ensuring robust system protection.