And other bad things. https://www.zdnet.com/article/new-l...ur-root-password-and-disables-your-antivirus/
While it's an impressive piece of scripting, to infect a system, a person still has to download and run this. Then said person has to type in passwords for root and other systems accessed by SSH. On top of that the person originally running the virus needs to be careless, as the exploits in use are several years old.