The host at this IP address is running a malware botnet controller which is being used to control infected computers (bots) around the globe using a trojan horse.
Malware botnet controller at 45.8.124.678 on port 443:
$ telnet 45.8.124.678 443
Trying 45.8.124.678…
Connected to 45.8.124.678.
Escape character is ‘^]’
Malicious domains observed at this IP address:
documentseu.top. 600 IN A 45.8.124.678
www1fidelity.com. 600 IN A 45.8.124.678
wwwfidellty.com. 600 IN A 45.8.124.678
wwwfldelity.com. 600 IN A 45.8.124.678