Security researchers uncovered a cryptojacking campaign — where attackers hijack systems to conduct cryptocurrency mining — that injects a malicious version of Coinhive, a web-based cryptocurrency miner, by exploiting a vulnerability in MikroTik routers.

https://www.trendmicro.com/vinfo/us/security/news/cybercrime-and-digital-threats/over-200-000-mikrotik-routers-compromised-in-cryptojacking-campaign