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 13.92.159.78 on port 6430 TCP:
$ telnet 13.92.159.78 6430
Trying 13.92.159.78…
Connected to 13.92.159.78.
Escape character is ‘^]’
Referencing malware samples:
MD5 4c58f749583af215176df06d6e92586b