Thousands of enterprise systems are believed to have been infected with a cryptocurrency-mining #malware operated by a group tracked under the codename of #BlueMockingbird.
It's targeting servers running ASP.NET apps.
https://www.zdnet.com/article/thousands-of-enterprise-systems-infected-by-new-blue-mockingbird-malware-gang/#ftag=RSSbaffb68
So, stop to use Microsoft tech. Use, Instead, #Linux servers.