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 135.181.245.89 on port 24368 TCP:
$ telnet 135.181.245.89 24368
Trying 135.181.245.89…
Connected to 135.181.245.89.
Escape character is ‘^]’
Referencing malware samples:
MD5 093cdb435c4003e1a7d4269e332730a1