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 45.79.253.142 on port 443 TCP:
$ telnet 45.79.253.142 443
Trying 45.79.253.142…
Connected to 45.79.253.142.
Escape character is ‘^]’
$ nslookup 45.79.253.142
li2153-142.members.linode.com
Referencing malware samples (MD5 hash):
8758f0d7d50bfd8a4e4e663fedc1b1e3 — AV detection: 38 / 70 (54.29%)
a648f287ded01899c5018bf6a0c919ea — AV detection: 17 / 71 (23.94%)
a880e4e346f032c1e200ce808e5cbf9f — AV detection: 21 / 71 (29.58%)