Nov 29 16:10:14 ns381471 sshd[10415]: Failed password for root from 128.199.103.239 port 37604 ssh2

WordPress login Brute force / Web App Attack on client site.

Fail2Ban Ban Triggered

Abuse

'IP reached maximum auth failures for a one day block'

5x Failed Password

Nov 29 22:13:57 lcl-usvr-02 sshd[14143]: Invalid user memcache from 122.114.156.133 port 53180
Nov 29 22:13:57 lcl-usvr-02 sshd[14143]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.114.156.133
Nov 29 22:13:57 lcl-usvr-02 sshd[14143]: Invalid user memcache from 122.114.156.133 port 53180
Nov 29 22:13:58 lcl-usvr-02 sshd[14143]: Failed password for invalid user memcache from 122.114.156.133 port 53180 ssh2
...

$f2bV_matches

Port scan on 4 port(s): 12345 23456 55555 56789

Lines containing failures of 18.219.251.116
Nov 29 16:05:49 shared07 sshd[14831]: Invalid user umeh from 18.219.251.116 port 53588
Nov 29 16:05:49 shared07 sshd[14831]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=18.219.251.116
Nov 29 16:05:51 shared07 sshd[14831]: Failed password for invalid user umeh from 18.219.251.116 port 53588 ssh2
Nov 29 16:05:51 shared07 sshd[14831]: Received disconnect from 18.219.251.116 port 53588:11: Bye Bye [preauth]
Nov 29 16:05:51 shared07 sshd[14831]: Disconnected from invalid user umeh 18.219.251.116 port 53588 [preauth]


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https://www.blocklist.de/en/view.html?ip=18.219.251.116

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2019-11-29T15:00:17.412146abusebot-5.cloudsearch.cf sshd\[789\]: Invalid user web from 119.29.242.48 port 47722

Nov 29 16:05:32 ns382633 sshd\[8536\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.189.72.217  user=root
Nov 29 16:05:34 ns382633 sshd\[8536\]: Failed password for root from 206.189.72.217 port 59128 ssh2
Nov 29 16:14:45 ns382633 sshd\[9885\]: Invalid user operator from 206.189.72.217 port 47298
Nov 29 16:14:45 ns382633 sshd\[9885\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.189.72.217
Nov 29 16:14:47 ns382633 sshd\[9885\]: Failed password for invalid user operator from 206.189.72.217 port 47298 ssh2

firewall-block, port(s): 1720/tcp

Nov 29 16:27:16 ks10 sshd[3846]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.24.201.132  user=mysql
Nov 29 16:27:17 ks10 sshd[3846]: Failed password for invalid user mysql from 118.24.201.132 port 54202 ssh2
...