"Ummagurau" is often associated with custom or niche proxy scripts. In many cases, these scripts are based on established open-source proxy projects (such as PHPProxy or Glype) but are modified to:
Specific to this box: If you check the database.js file in the WonderCMS root, you might find the admin password hash. Since this is a write-up, let's assume the user yoshi reuses the password found in the CMS config or has weak credentials. Ummagurau Proxy
Some Ummagurau Proxy services offer a dedicated desktop client (similar to a VPN app) that installs a virtual network adapter, ensuring system-wide routing, including UDP traffic for gaming. "Ummagurau" is often associated with custom or niche