The host at this IP address is obviously operated by cybercriminals. It 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 located at 77.223.99.210 port 443:
$ telnet 77.223.99.210 443
Trying 77.223.99.210…
Connected to 77.223.99.210.
Escape character is ‘^]’
Malicious domains observed at this IP address:
cloudfsnbg.cc. 600 IN A 77.223.99.210
snatch.kim. 600 IN A 77.223.99.210
snatch.press. 600 IN A 77.223.99.210