What to do with pages like domain/?url*?

Question

Search Engine Optimization

Happy New Year everyone!)
In the webmaster.yandex.ru console, in the list of indexed pages, there are a lot of urls like domen/?url={some site} There are a lot of such pages
, most of them are porn sites.


What can be done so that such pages are not in the search engine index?

When you click on the specified url, the main page opens.

Answer 1

first of all, write something like this in robots.txt:
Disallow: *?