Thread:Project:Support desk/bots attack, please help

I know this is written gazzillion times allower the web, but i cant find anything "easy".

So the thing is, we are using Mediawiki. We got attacked by bots, hard. The posts we made were submited only by 2 users. So, the simple question, how, if, can I delete or hide all posts beside those 2 in Admin group. I was looking for Nuke but I cant even get the download done :(

thanks in advance and bless your souls, those who help me! :)