Oct 21 23:42:44 areeb-Workstation sshd[8983]: Failed password for root from 180.168.141.246 port 42310 ssh2
...

Oct 21 12:40:36 marvibiene sshd[3058]: Invalid user admin from 159.65.104.178 port 46660
Oct 21 12:40:37 marvibiene sshd[3058]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.104.178
Oct 21 12:40:36 marvibiene sshd[3058]: Invalid user admin from 159.65.104.178 port 46660
Oct 21 12:40:38 marvibiene sshd[3058]: Failed password for invalid user admin from 159.65.104.178 port 46660 ssh2
...

2019-10-22T00:21:57.474740enmeeting.mahidol.ac.th sshd\[28826\]: User root from 157.245.98.160 not allowed because not listed in AllowUsers
2019-10-22T00:21:57.598602enmeeting.mahidol.ac.th sshd\[28826\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.245.98.160  user=root
2019-10-22T00:21:59.910382enmeeting.mahidol.ac.th sshd\[28826\]: Failed password for invalid user root from 157.245.98.160 port 48112 ssh2
...

Oct 21 20:28:45 MK-Soft-VM6 sshd[20507]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=40.124.4.131 
Oct 21 20:28:47 MK-Soft-VM6 sshd[20507]: Failed password for invalid user support from 40.124.4.131 port 33900 ssh2
...

2019-10-21T16:25:05.044263homeassistant sshd[30983]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=40.73.59.55  user=root
2019-10-21T16:25:06.946312homeassistant sshd[30983]: Failed password for root from 40.73.59.55 port 53546 ssh2
...

Oct 21 16:40:12 tuxlinux sshd[17025]: Invalid user admin from 54.39.145.31 port 37930
Oct 21 16:40:12 tuxlinux sshd[17025]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.39.145.31 
Oct 21 16:40:12 tuxlinux sshd[17025]: Invalid user admin from 54.39.145.31 port 37930
Oct 21 16:40:12 tuxlinux sshd[17025]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.39.145.31 
Oct 21 16:40:12 tuxlinux sshd[17025]: Invalid user admin from 54.39.145.31 port 37930
Oct 21 16:40:12 tuxlinux sshd[17025]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.39.145.31 
Oct 21 16:40:14 tuxlinux sshd[17025]: Failed password for invalid user admin from 54.39.145.31 port 37930 ssh2
...

Oct 21 18:38:11 rotator sshd\[13263\]: Failed password for root from 185.117.215.9 port 59610 ssh2Oct 21 18:38:14 rotator sshd\[13263\]: Failed password for root from 185.117.215.9 port 59610 ssh2Oct 21 18:38:16 rotator sshd\[13263\]: Failed password for root from 185.117.215.9 port 59610 ssh2Oct 21 18:38:19 rotator sshd\[13263\]: Failed password for root from 185.117.215.9 port 59610 ssh2Oct 21 18:38:21 rotator sshd\[13263\]: Failed password for root from 185.117.215.9 port 59610 ssh2Oct 21 18:38:24 rotator sshd\[13263\]: Failed password for root from 185.117.215.9 port 59610 ssh2
...

Oct 21 21:20:09 site1 sshd\[36556\]: Invalid user admin from 159.203.0.146Oct 21 21:20:11 site1 sshd\[36556\]: Failed password for invalid user admin from 159.203.0.146 port 37320 ssh2Oct 21 21:20:13 site1 sshd\[36556\]: Failed password for invalid user admin from 159.203.0.146 port 37320 ssh2Oct 21 21:20:16 site1 sshd\[36556\]: Failed password for invalid user admin from 159.203.0.146 port 37320 ssh2Oct 21 21:20:18 site1 sshd\[36556\]: Failed password for invalid user admin from 159.203.0.146 port 37320 ssh2Oct 21 21:20:19 site1 sshd\[36556\]: Failed password for invalid user admin from 159.203.0.146 port 37320 ssh2
...

IP Ban Report :  
 https://help-dysk.pl/wordpress-firewall-plugins/ip/175.170.212.37/ 
 
 CN - 1H : (461)  
 Protection Against DDoS WordPress plugin :  
 "odzyskiwanie danych help-dysk" 
 IP Address Ranges by Country : CN 
 NAME ASN : ASN4837 
 
 IP : 175.170.212.37 
 
 CIDR : 175.160.0.0/12 
 
 PREFIX COUNT : 1262 
 
 UNIQUE IP COUNT : 56665856 
 
 
 ATTACKS DETECTED ASN4837 :  
  1H - 6 
  3H - 23 
  6H - 54 
 12H - 106 
 24H - 161 
 
 DateTime : 2019-10-21 13:37:11 
 
 INFO : Port Scan TELNET Detected and Blocked by ADMIN  - data recovery

Oct 21 18:54:45 h2177944 sshd\[9866\]: Invalid user tiina from 180.76.188.223 port 44672
Oct 21 18:54:45 h2177944 sshd\[9866\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.188.223
Oct 21 18:54:47 h2177944 sshd\[9866\]: Failed password for invalid user tiina from 180.76.188.223 port 44672 ssh2
Oct 21 18:59:14 h2177944 sshd\[10032\]: Invalid user testftp from 180.76.188.223 port 50982
Oct 21 18:59:14 h2177944 sshd\[10032\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.188.223
...

Automatic report - Banned IP Access

Oct 21 19:56:41 vpn01 sshd[13824]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.189.30.229
Oct 21 19:56:43 vpn01 sshd[13824]: Failed password for invalid user cmschine from 206.189.30.229 port 52294 ssh2
...

2019-10-21T13:36:53.891841stark.klein-stark.info postfix/smtpd\[26550\]: NOQUEUE: reject: RCPT from papal.nabhaa.com\[63.80.88.196\]: 554 5.7.1 \: Relay access denied\; from=\ to=\ proto=ESMTP helo=\
...

$f2bV_matches

Oct 13 23:23:58 mail sshd[28276]: Failed password for root from 144.217.15.161 port 43594 ssh2
Oct 13 23:27:27 mail sshd[29621]: Failed password for root from 144.217.15.161 port 53430 ssh2