Every published rule

PowerShell ScriptBlock WebClient Download Calls

Alert on PowerShell ScriptBlock text that uses System.Net.WebClient to download files or strings from the Internet.

Windows PowerShell Script Block Logging: PSAttack marker string

Alerts when PowerShell script blocks contain the "PS ATTACK!!!" marker on Windows.

Windows PowerShell Script Block Contains Exploitation Framework and Credential Theft Keywords

Alerts on PowerShell script block text containing known exploitation, token, and memory-related keywords.

Windows PowerShell ScriptBlock detects known malicious commandlet names used by exploitation frameworks

Alerts when PowerShell ScriptBlock text includes strings matching known malicious commandlets from common exploitation toolsets.

Suspicious PowerShell Module Usage with Hidden/Encoded Execution Parameters on Windows

Flags hidden or encoded PowerShell invocations that decode/execute code or download-and-execute patterns, while filtering a Chocolatey installer snippet.

Suspicious PowerShell WebClient Downloads via PoshModule

Alerts on PowerShell module activity referencing System.Net.WebClient with DownloadFile/DownloadString calls to fetch remote content.

Windows PowerShell Execution via EngineVersion/HostVersion Mismatch in Command Start Telemetry

Detects PowerShell execution attempts that match a specific executable EngineVersion/HostVersion mismatch pattern on Windows.

PowerShell Net.WebClient DownloadFile/DownloadString Usage (Classic)

Flags PowerShell Classic commands using Net.WebClient to download content via DownloadFile or DownloadString.