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 116.203.47.117 on port 3523 TCP:
$ telnet 116.203.47.117 3523
Trying 116.203.47.117…
Connected to 116.203.47.117.
Escape character is ‘^]’
$ nslookup 116.203.47.117
static.117.47.203.116.clients.your-server.de
Referencing malware samples (MD5 hash):
c03d1d8ea02273e047f1fb59f4b83863 — AV detection: 21 / 68 (30.88%)