2019-12-06T10:05:49.618639shield sshd\[13028\]: Invalid user 123 from 106.13.181.68 port 55584
2019-12-06T10:05:49.622812shield sshd\[13028\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.181.68
2019-12-06T10:05:52.087601shield sshd\[13028\]: Failed password for invalid user 123 from 106.13.181.68 port 55584 ssh2
2019-12-06T10:13:43.802341shield sshd\[14217\]: Invalid user myshell1234 from 106.13.181.68 port 33870
2019-12-06T10:13:43.806653shield sshd\[14217\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.181.68

postfix

Dec  6 12:01:09 server sshd\[4314\]: Invalid user mccartney from 180.168.70.190
Dec  6 12:01:09 server sshd\[4314\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.168.70.190 
Dec  6 12:01:11 server sshd\[4314\]: Failed password for invalid user mccartney from 180.168.70.190 port 35726 ssh2
Dec  6 12:11:05 server sshd\[6984\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.168.70.190  user=root
Dec  6 12:11:07 server sshd\[6984\]: Failed password for root from 180.168.70.190 port 34709 ssh2
...

Dec  6 06:26:35 venus sshd\[17844\]: Invalid user rpm1234 from 68.183.114.226 port 42652
Dec  6 06:26:35 venus sshd\[17844\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.114.226
Dec  6 06:26:37 venus sshd\[17844\]: Failed password for invalid user rpm1234 from 68.183.114.226 port 42652 ssh2
...

Dec  6 06:26:20 work-partkepr sshd\[4273\]: Invalid user admin from 37.114.167.45 port 56645
Dec  6 06:26:20 work-partkepr sshd\[4273\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.114.167.45
...

Dec  6 12:31:10 server sshd\[20480\]: User root from 112.85.42.186 not allowed because listed in DenyUsers
Dec  6 12:31:11 server sshd\[20480\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.186  user=root
Dec  6 12:31:12 server sshd\[20480\]: Failed password for invalid user root from 112.85.42.186 port 41901 ssh2
Dec  6 12:31:15 server sshd\[20480\]: Failed password for invalid user root from 112.85.42.186 port 41901 ssh2
Dec  6 12:31:18 server sshd\[20480\]: Failed password for invalid user root from 112.85.42.186 port 41901 ssh2

Dec  6 08:22:46 grey postfix/smtpd\[26620\]: NOQUEUE: reject: RCPT from gruesome.sapuxfiori.com\[63.80.184.100\]: 554 5.7.1 Service unavailable\; Client host \[63.80.184.100\] blocked using truncate.gbudb.net\; http://www.gbudb.com/truncate/ \[63.80.184.100\]\; from=\ to=\ proto=ESMTP helo=\
...

Dec  6 10:56:33 vps691689 sshd[7311]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.77.212.124
Dec  6 10:56:35 vps691689 sshd[7311]: Failed password for invalid user admin from 51.77.212.124 port 51726 ssh2
...

$f2bV_matches

Dec  6 10:50:42 fr01 sshd[10203]: Invalid user mitchard from 195.154.119.48
Dec  6 10:50:42 fr01 sshd[10203]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=195.154.119.48
Dec  6 10:50:42 fr01 sshd[10203]: Invalid user mitchard from 195.154.119.48
Dec  6 10:50:44 fr01 sshd[10203]: Failed password for invalid user mitchard from 195.154.119.48 port 40628 ssh2
...

Dec  6 00:24:32 wbs sshd\[15169\]: Invalid user tttt from 206.189.93.108
Dec  6 00:24:32 wbs sshd\[15169\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.189.93.108
Dec  6 00:24:34 wbs sshd\[15169\]: Failed password for invalid user tttt from 206.189.93.108 port 44701 ssh2
Dec  6 00:31:11 wbs sshd\[15777\]: Invalid user oliy from 206.189.93.108
Dec  6 00:31:11 wbs sshd\[15777\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.189.93.108

Dec  6 08:55:24 [host] sshd[30223]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=132.232.1.62  user=root
Dec  6 08:55:26 [host] sshd[30223]: Failed password for root from 132.232.1.62 port 54028 ssh2
Dec  6 09:05:08 [host] sshd[30540]: Invalid user gilberto from 132.232.1.62

Dec  6 00:02:23 kapalua sshd\[31752\]: Invalid user admin from 150.95.212.72
Dec  6 00:02:23 kapalua sshd\[31752\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=v150-95-212-72.873a.static.cnode.io
Dec  6 00:02:24 kapalua sshd\[31752\]: Failed password for invalid user admin from 150.95.212.72 port 57514 ssh2
Dec  6 00:09:08 kapalua sshd\[32586\]: Invalid user lea from 150.95.212.72
Dec  6 00:09:08 kapalua sshd\[32586\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=v150-95-212-72.873a.static.cnode.io

Dec  6 10:33:42 h2177944 sshd\[16350\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.194  user=root
Dec  6 10:33:44 h2177944 sshd\[16350\]: Failed password for root from 112.85.42.194 port 10341 ssh2
Dec  6 10:33:48 h2177944 sshd\[16350\]: Failed password for root from 112.85.42.194 port 10341 ssh2
Dec  6 10:33:51 h2177944 sshd\[16350\]: Failed password for root from 112.85.42.194 port 10341 ssh2
...

2019-12-06T10:00:20.953575abusebot-6.cloudsearch.cf sshd\[4070\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.146.250  user=root