Jan 10 03:50:46 mail sshd\[28889\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.154  user=root
...

$f2bV_matches

2020-01-10 1ipkS2-0003sX-OW H=ladybug.yojaana.com \(ladybug.miladelevator.co\) \[134.73.51.136\] rejected **REMOVED** : REJECTED - You seem to be a spammer!
2020-01-10 H=ladybug.yojaana.com \(ladybug.miladelevator.co\) \[134.73.51.136\] F=\ rejected RCPT \<**REMOVED**@**REMOVED**.de\>: Mail not accepted. 134.73.51.136 is listed at a DNSBL.
2020-01-10 H=ladybug.yojaana.com \(ladybug.miladelevator.co\) \[134.73.51.136\] F=\ rejected RCPT \: Mail not accepted. 134.73.51.136 is listed at a DNSBL.

Jan  9 22:20:03 php1 sshd\[9391\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=132.248.88.78  user=root
Jan  9 22:20:05 php1 sshd\[9391\]: Failed password for root from 132.248.88.78 port 41533 ssh2
Jan  9 22:22:44 php1 sshd\[9675\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=132.248.88.78  user=root
Jan  9 22:22:46 php1 sshd\[9675\]: Failed password for root from 132.248.88.78 port 57873 ssh2
Jan  9 22:25:32 php1 sshd\[9954\]: Invalid user test123 from 132.248.88.78
Jan  9 22:25:32 php1 sshd\[9954\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=132.248.88.78

SSH Brute-Forcing (server1)

Jan 10 06:17:38 plex sshd[773]: Invalid user viper from 188.166.246.46 port 59862

Jan 10 07:22:21 meumeu sshd[10814]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.44.101.162 
Jan 10 07:22:23 meumeu sshd[10814]: Failed password for invalid user testing from 187.44.101.162 port 54018 ssh2
Jan 10 07:25:33 meumeu sshd[11313]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.44.101.162 
...

Jan 10 09:52:48 gw1 sshd[2999]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=1.203.115.141
Jan 10 09:52:50 gw1 sshd[2999]: Failed password for invalid user administrator from 1.203.115.141 port 48451 ssh2
...

2020-01-10T07:51:36.113884abusebot-6.cloudsearch.cf sshd[536]: Invalid user cpanel from 139.59.34.17 port 46078
2020-01-10T07:51:36.119960abusebot-6.cloudsearch.cf sshd[536]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=pyrumas.com
2020-01-10T07:51:36.113884abusebot-6.cloudsearch.cf sshd[536]: Invalid user cpanel from 139.59.34.17 port 46078
2020-01-10T07:51:37.916746abusebot-6.cloudsearch.cf sshd[536]: Failed password for invalid user cpanel from 139.59.34.17 port 46078 ssh2
2020-01-10T07:53:46.034067abusebot-6.cloudsearch.cf sshd[651]: Invalid user ftpuser from 139.59.34.17 port 37954
2020-01-10T07:53:46.041589abusebot-6.cloudsearch.cf sshd[651]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=pyrumas.com
2020-01-10T07:53:46.034067abusebot-6.cloudsearch.cf sshd[651]: Invalid user ftpuser from 139.59.34.17 port 37954
2020-01-10T07:53:48.687466abusebot-6.cloudsearch.cf sshd[651]: Failed password for inva
...

Jan 10 05:52:39 zulu412 sshd\[23433\]: Invalid user mpse from 37.59.224.39 port 39436
Jan 10 05:52:39 zulu412 sshd\[23433\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.59.224.39
Jan 10 05:52:41 zulu412 sshd\[23433\]: Failed password for invalid user mpse from 37.59.224.39 port 39436 ssh2
...

Jan 10 07:19:24 localhost sshd\[26919\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=203.130.192.242  user=root
Jan 10 07:19:26 localhost sshd\[26919\]: Failed password for root from 203.130.192.242 port 59326 ssh2
Jan 10 07:22:57 localhost sshd\[27241\]: Invalid user ilv from 203.130.192.242 port 57060
Jan 10 07:22:57 localhost sshd\[27241\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=203.130.192.242

Fail2Ban Ban Triggered

[Fri Jan 10 15:29:45.714460 2020] [:error] [pid 22729:tid 140037442221824] [client 178.154.171.135:56974] [client 178.154.171.135] ModSecurity: Access denied with code 403 (phase 2). Pattern match "^[\\\\d.:]+$" at REQUEST_HEADERS:Host. [file "/etc/modsecurity/owasp-modsecurity-crs-3.2.0/rules/REQUEST-920-PROTOCOL-ENFORCEMENT.conf"] [line "696"] [id "920350"] [msg "Host header is a numeric IP address"] [data "103.27.207.197"] [severity "WARNING"] [ver "OWASP_CRS/3.2.0"] [tag "application-multi"] [tag "language-multi"] [tag "platform-multi"] [tag "attack-protocol"] [tag "OWASP_CRS"] [tag "OWASP_CRS/PROTOCOL_VIOLATION/IP_HOST"] [tag "WASCTC/WASC-21"] [tag "OWASP_TOP_10/A7"] [tag "PCI/6.5.10"] [hostname "103.27.207.197"] [uri "/"] [unique_id "Xhg1@Vrynyv40zg8cqvbwAAAAHk"]
...

Automatic report - XMLRPC Attack

Port scan: Attack repeated for 24 hours