This rule detects the creation of a new Azure Cloud Shell within the Azure portal. Cloud Shell is a browser-based shell experience provided by Azure, allowing users to manage Azure resources directly through the browser. The detection logic specifically monitors the Azure activity logs for any operations that involve the console, particularly looking for the operation name `MICROSOFT.PORTAL/CONSOLES/WRITE`, which indicates a write operation to a console resource, typically the creation of a new Cloud Shell instance. It's important to identify unauthorized Cloud Shell creations, as they could signify potential attack execution paths within the Azure environment.