SSH authentication failure x 6 reported by Fail2Ban
...

Firewall Dropped Connection

2020-05-04T04:28:24.953692shield sshd\[15296\]: Invalid user admin from 13.76.34.211 port 58070
2020-05-04T04:28:24.957353shield sshd\[15296\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=13.76.34.211
2020-05-04T04:28:26.418030shield sshd\[15296\]: Failed password for invalid user admin from 13.76.34.211 port 58070 ssh2
2020-05-04T04:31:47.560942shield sshd\[16284\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=13.76.34.211  user=root
2020-05-04T04:31:49.222519shield sshd\[16284\]: Failed password for root from 13.76.34.211 port 49412 ssh2

IP was detected trying to Brute-Force SSH, FTP, Web Apps, Port-Scan or Hacking.

firewall-block, port(s): 3397/tcp

May  4 10:19:04 melroy-server sshd[8875]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=164.52.12.210 
May  4 10:19:06 melroy-server sshd[8875]: Failed password for invalid user centos from 164.52.12.210 port 33026 ssh2
...

Phishing host and invalid abuse contact:  : host aspmx.l.google.com[64.233.160.26] said:
    550-5.7.1 [99.87.255.76      12] Our system has detected that this message
    is 550-5.7.1 likely unsolicited mail. To reduce the amount of spam sent to
    Gmail, 550-5.7.1 this message has been blocked. Please visit 550-5.7.1
    https://support.google.com/mail/?p=UnsolicitedMessageError 550 5.7.1  for
    more information. q132si3345645oig.255 - gsmtp (in reply to end of DATA
    command)

Automatic report - Port Scan Attack

ssh brute force

2020-05-04T04:47:20.758212abusebot-4.cloudsearch.cf sshd[25554]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.ip-92-222-216.eu  user=root
2020-05-04T04:47:22.508003abusebot-4.cloudsearch.cf sshd[25554]: Failed password for root from 92.222.216.222 port 39080 ssh2
2020-05-04T04:50:41.940107abusebot-4.cloudsearch.cf sshd[25719]: Invalid user dan from 92.222.216.222 port 38504
2020-05-04T04:50:41.950296abusebot-4.cloudsearch.cf sshd[25719]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.ip-92-222-216.eu
2020-05-04T04:50:41.940107abusebot-4.cloudsearch.cf sshd[25719]: Invalid user dan from 92.222.216.222 port 38504
2020-05-04T04:50:44.292267abusebot-4.cloudsearch.cf sshd[25719]: Failed password for invalid user dan from 92.222.216.222 port 38504 ssh2
2020-05-04T04:53:40.812390abusebot-4.cloudsearch.cf sshd[25979]: Invalid user mata from 92.222.216.222 port 37930
...

191.234.176.158 - - [04/May/2020:07:13:06 +0200] "GET /wp-login.php HTTP/1.1" 200 5702 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
191.234.176.158 - - [04/May/2020:07:13:09 +0200] "POST /wp-login.php HTTP/1.1" 200 5953 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
191.234.176.158 - - [04/May/2020:07:13:11 +0200] "POST /xmlrpc.php HTTP/1.1" 200 427 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"

May  3 23:51:02 NPSTNNYC01T sshd[19774]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.53.46.179
May  3 23:51:02 NPSTNNYC01T sshd[19776]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.53.46.179
May  3 23:51:04 NPSTNNYC01T sshd[19774]: Failed password for invalid user pi from 68.53.46.179 port 60292 ssh2
...

invalid login attempt (unbound)

fail2ban

" "