Nov  8 14:00:47 pl3server sshd[28514]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.203.59.159  user=r.r
Nov  8 14:00:49 pl3server sshd[28514]: Failed password for r.r from 119.203.59.159 port 9365 ssh2
Nov  8 14:00:49 pl3server sshd[28514]: Received disconnect from 119.203.59.159: 11: Bye Bye [preauth]
Nov  8 14:24:20 pl3server sshd[22727]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.203.59.159  user=r.r
Nov  8 14:24:22 pl3server sshd[22727]: Failed password for r.r from 119.203.59.159 port 33129 ssh2
Nov  8 14:24:22 pl3server sshd[22727]: Received disconnect from 119.203.59.159: 11: Bye Bye [preauth]
Nov  8 14:28:42 pl3server sshd[26198]: Invalid user ru from 119.203.59.159
Nov  8 14:28:42 pl3server sshd[26198]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.203.59.159


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=11

Nov 10 05:16:57 ws24vmsma01 sshd[225548]: Failed password for root from 61.93.201.198 port 57122 ssh2
...

Nov 10 10:00:26 srv-ubuntu-dev3 sshd[2950]: Invalid user 123 from 182.61.133.172
Nov 10 10:00:26 srv-ubuntu-dev3 sshd[2950]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.133.172
Nov 10 10:00:26 srv-ubuntu-dev3 sshd[2950]: Invalid user 123 from 182.61.133.172
Nov 10 10:00:28 srv-ubuntu-dev3 sshd[2950]: Failed password for invalid user 123 from 182.61.133.172 port 36856 ssh2
Nov 10 10:05:27 srv-ubuntu-dev3 sshd[3388]: Invalid user P@55W0rd from 182.61.133.172
Nov 10 10:05:27 srv-ubuntu-dev3 sshd[3388]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.133.172
Nov 10 10:05:27 srv-ubuntu-dev3 sshd[3388]: Invalid user P@55W0rd from 182.61.133.172
Nov 10 10:05:29 srv-ubuntu-dev3 sshd[3388]: Failed password for invalid user P@55W0rd from 182.61.133.172 port 44234 ssh2
Nov 10 10:10:25 srv-ubuntu-dev3 sshd[3970]: Invalid user rootCAV from 182.61.133.172
...

Nov 10 02:39:38 plusreed sshd[18031]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=220.130.178.36  user=root
Nov 10 02:39:40 plusreed sshd[18031]: Failed password for root from 220.130.178.36 port 50466 ssh2
...

SSH Brute-Force reported by Fail2Ban

11/10/2019-10:11:38.527550 88.214.26.45 Protocol: 6 ET CINS Active Threat Intelligence Poor Reputation IP group 96

2019-11-10T10:00:10.501308abusebot-7.cloudsearch.cf sshd\[11469\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.180.9  user=root

SSH Bruteforce attempt

Nov 10 10:40:56 meumeu sshd[26382]: Failed password for root from 106.75.134.239 port 37444 ssh2
Nov 10 10:45:52 meumeu sshd[26935]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.75.134.239 
Nov 10 10:45:54 meumeu sshd[26935]: Failed password for invalid user openelec from 106.75.134.239 port 41310 ssh2
...

2019-11-10 00:28:05 H=(luduslitterarius.it) [117.197.126.130]:35813 I=[192.147.25.65]:25 F= rejected RCPT : RBL: found in thrukfz5b56tq6xao6odgdyjrq.zen.dq.spamhaus.net (127.0.0.10, 127.0.0.4, 127.0.0.3) (https://www.spamhaus.org/query/ip/117.197.126.130)
2019-11-10 00:28:06 H=(luduslitterarius.it) [117.197.126.130]:35813 I=[192.147.25.65]:25 F= rejected RCPT : RBL: found in thrukfz5b56tq6xao6odgdyjrq.zen.dq.spamhaus.net (127.0.0.4, 127.0.0.3, 127.0.0.10) (https://www.spamhaus.org/sbl/query/SBLCSS)
2019-11-10 00:28:08 H=(luduslitterarius.it) [117.197.126.130]:35813 I=[192.147.25.65]:25 F= rejected RCPT : RBL: found in thrukfz5b56tq6xao6odgdyjrq.zen.dq.spamhaus.net (127.0.0.10, 127.0.0.3, 127.0.0.4) (https://www.spamhaus.org/query/ip/117.197.126.130)
...

2019-11-10T09:15:33.476913shield sshd\[10056\]: Invalid user \* from 201.62.44.63 port 33748
2019-11-10T09:15:33.483038shield sshd\[10056\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.62.44.63
2019-11-10T09:15:35.310073shield sshd\[10056\]: Failed password for invalid user \* from 201.62.44.63 port 33748 ssh2
2019-11-10T09:20:33.288306shield sshd\[10485\]: Invalid user owlowl from 201.62.44.63 port 43514
2019-11-10T09:20:33.292057shield sshd\[10485\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.62.44.63

Nov 10 09:38:40 localhost sshd\[32621\]: Invalid user testing from 51.158.67.13 port 38264
Nov 10 09:38:40 localhost sshd\[32621\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.158.67.13 
Nov 10 09:38:42 localhost sshd\[32621\]: Failed password for invalid user testing from 51.158.67.13 port 38264 ssh2
...

Scanning (more than 2 packets) random ports - tries to find possible vulnerable services

Nov  9 20:15:05 shadeyouvpn sshd[24359]: Address 167.179.69.206 maps to 167.179.69.206.vultr.com, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!
Nov  9 20:15:05 shadeyouvpn sshd[24359]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.179.69.206  user=r.r
Nov  9 20:15:07 shadeyouvpn sshd[24359]: Failed password for r.r from 167.179.69.206 port 49706 ssh2
Nov  9 20:15:07 shadeyouvpn sshd[24359]: Received disconnect from 167.179.69.206: 11: Bye Bye [preauth]
Nov  9 20:35:16 shadeyouvpn sshd[5281]: Address 167.179.69.206 maps to 167.179.69.206.vultr.com, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!
Nov  9 20:35:16 shadeyouvpn sshd[5281]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.179.69.206  user=r.r
Nov  9 20:35:18 shadeyouvpn sshd[5281]: Failed password for r.r from 167.179.69.206 port 60256 ssh2
Nov  9 20:35:18 shadeyouvpn sshd[52........
-------------------------------

Nov 10 07:45:22 vpn01 sshd[24669]: Failed password for root from 125.177.17.175 port 48002 ssh2
...