Windows PowerShell 2.0 must not be installed.

An XCCDF Rule

Details
Profiles

Description

Windows PowerShell 5.0 added advanced logging features that can provide additional detail when malware has been run on a system. Disabling the Windows PowerShell 2.0 mitigates against a downgrade attack that evades the Windows PowerShell 5.0 script block logging feature.

ID: SV-224859r958478_rule
Version: WN16-00-000420
Severity: Medium
References: CCI-000381
Updated: 15 days ago

Remediation Templates

Uninstall the "Windows PowerShell 2.0 Engine".

Start "Server Manager".

Select the server with the feature.
Scroll down to "ROLES AND FEATURES" in the right pane.

Select "Remove Roles and Features" from the drop-down "TASKS" list.

Select the appropriate server on the "Server Selection" page and click "Next".

Deselect "Windows PowerShell 2.0 Engine" under "Windows PowerShell" on the "Features" page.

Click "Next" and "Remove" as prompted.

Windows PowerShell 2.0 must not be installed.

Description

Remediation Templates

A Manual Procedure