Unsigned AppX Installation Attempt Using Add-AppxPackage - PsScript

Last updated on:

About the rule

Rule Type

Standard

Rule Description

Detects usage of the "Add-AppxPackage" or it's alias "Add-AppPackage" to install unsigned AppX packages

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "PowerShell Script Block Logged" AND SCRIPTEXECUTED contains "Add-AppPackage ,Add-AppxPackage " AND SCRIPTEXECUTED contains " -AllowUnsigned" select Action1.HOSTNAME,Action1.MESSAGE,Action1.SCRIPTEXECUTED

Detection

Execution Mode

realtime

Log Sources

Windows

Author

Nasreddine Bencherchali (Nextron Systems)