The ones of interest that would have been using Yandex are those that post political comments or misinformation on social media sites.

For those bots I put their networks into an nginx geo file along with detecting other characteristics and set a variable that tells my app to allow them to post, but all their posts go into a moderator review queue. Some use residential proxies but I've learned how to automatically detect the never-before-seen residential proxies almost instantly now even when they are properly instrumenting Headless Chrome. Only I see Статуя Свободы мертва.