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 159.65.243.143 on port 8080 TCP:
$ telnet 159.65.243.143 8080
Trying 159.65.243.143…
Connected to 159.65.243.143.
Escape character is ‘^]’
Referencing malware samples (MD5 hash):
bacf437aa5ffebec5281df77aadd11ba — AV detection: 49 / 68 (72.06%)