2020-06-28T08:37:08.968220linuxbox-skyline sshd[317040]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.87.149  user=root
2020-06-28T08:37:11.370511linuxbox-skyline sshd[317040]: Failed password for root from 106.12.87.149 port 60656 ssh2
...

Jun 28 16:27:18 pornomens sshd\[10119\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.38.48.127  user=root
Jun 28 16:27:19 pornomens sshd\[10119\]: Failed password for root from 51.38.48.127 port 51492 ssh2
Jun 28 16:30:32 pornomens sshd\[10148\]: Invalid user spf from 51.38.48.127 port 50022
Jun 28 16:30:32 pornomens sshd\[10148\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.38.48.127
...

Jun 28 07:03:24 mockhub sshd[11906]: Failed password for root from 117.55.241.178 port 40937 ssh2
...

malicious Brute-Force reported by https://www.patrick-binder.de
...

Jun 28 14:06:49 gestao sshd[15953]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=125.227.236.60 
Jun 28 14:06:52 gestao sshd[15953]: Failed password for invalid user hldmserver from 125.227.236.60 port 45100 ssh2
Jun 28 14:10:37 gestao sshd[16041]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=125.227.236.60 
...

Jun 28 17:10:13 ns381471 sshd[13014]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=102.176.81.99
Jun 28 17:10:15 ns381471 sshd[13014]: Failed password for invalid user user4 from 102.176.81.99 port 38886 ssh2

Jun 28 21:30:23 itv-usvr-02 sshd[23698]: Invalid user userftp from 35.196.75.48 port 37208
Jun 28 21:30:23 itv-usvr-02 sshd[23698]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=35.196.75.48
Jun 28 21:30:23 itv-usvr-02 sshd[23698]: Invalid user userftp from 35.196.75.48 port 37208
Jun 28 21:30:24 itv-usvr-02 sshd[23698]: Failed password for invalid user userftp from 35.196.75.48 port 37208 ssh2
Jun 28 21:35:28 itv-usvr-02 sshd[23912]: Invalid user kr from 35.196.75.48 port 55684

$f2bV_matches

5x Failed Password

2020-06-28T14:09:07.264469vps751288.ovh.net sshd\[10206\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=120.53.27.233  user=root
2020-06-28T14:09:09.464372vps751288.ovh.net sshd\[10206\]: Failed password for root from 120.53.27.233 port 41016 ssh2
2020-06-28T14:12:35.019597vps751288.ovh.net sshd\[10263\]: Invalid user alex from 120.53.27.233 port 56322
2020-06-28T14:12:35.026846vps751288.ovh.net sshd\[10263\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=120.53.27.233
2020-06-28T14:12:37.111621vps751288.ovh.net sshd\[10263\]: Failed password for invalid user alex from 120.53.27.233 port 56322 ssh2

2020-06-28 15:05:34 auth_plain authenticator failed for (User) [46.38.145.251]: 535 Incorrect authentication data (set_id=mtrs@csmailer.org)
2020-06-28 15:06:21 auth_plain authenticator failed for (User) [46.38.145.251]: 535 Incorrect authentication data (set_id=mb2@csmailer.org)
2020-06-28 15:07:06 auth_plain authenticator failed for (User) [46.38.145.251]: 535 Incorrect authentication data (set_id=orion2@csmailer.org)
2020-06-28 15:07:50 auth_plain authenticator failed for (User) [46.38.145.251]: 535 Incorrect authentication data (set_id=snake@csmailer.org)
2020-06-28 15:08:34 auth_plain authenticator failed for (User) [46.38.145.251]: 535 Incorrect authentication data (set_id=s100@csmailer.org)
...

Jun 28 20:19:55 gw1 sshd[24352]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=196.206.254.240
Jun 28 20:19:56 gw1 sshd[24352]: Failed password for invalid user kiwi from 196.206.254.240 port 43402 ssh2
...

Unauthorized SSH login attempts

2020-06-28 16:30:42,204 fail2ban.actions: WARNING [ssh] Ban 181.46.80.183

 TCP (SYN) 60.246.190.93:35881 -> port 23, len 44