Well yes, if it is a superintelligence, it will be able to do those things. That's what superintelligence basically is: The ability to achieve complex goals.

If you want the details of ways it can do it I recommend reading some of the reports about the HuggingFace breach that happened in July (Read more than one).

Why do you assume that human opposition will be vigorous? What makes you think that humans will be aware of, or be able to agree about, what's going on at all?