Aug 28 21:01:36 mail sshd\[34055\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.194.132.112  user=root
...

Aug 29 02:21:41 server3 sshd[10183]: Did not receive identification string from 60.48.207.56
Aug 29 02:21:45 server3 sshd[10184]: Invalid user thostname0nich from 60.48.207.56
Aug 29 02:21:46 server3 sshd[10184]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=60.48.207.56
Aug 29 02:21:48 server3 sshd[10184]: Failed password for invalid user thostname0nich from 60.48.207.56 port 60332 ssh2
Aug 29 02:21:48 server3 sshd[10184]: Connection closed by 60.48.207.56 port 60332 [preauth]


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=60.48.207.56

Aug 29 06:06:36 MK-Soft-VM4 sshd\[7882\]: Invalid user tstuser from 54.37.230.15 port 57676
Aug 29 06:06:36 MK-Soft-VM4 sshd\[7882\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.37.230.15
Aug 29 06:06:38 MK-Soft-VM4 sshd\[7882\]: Failed password for invalid user tstuser from 54.37.230.15 port 57676 ssh2
...

Chat Spam

2019-08-29T08:22:50.623203centos sshd\[10908\]: Invalid user dheeraj from 51.68.189.69 port 37514
2019-08-29T08:22:50.627503centos sshd\[10908\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=69.ip-51-68-189.eu
2019-08-29T08:22:52.815750centos sshd\[10908\]: Failed password for invalid user dheeraj from 51.68.189.69 port 37514 ssh2

Aug 29 08:11:34 ncomp sshd[8627]: Invalid user dpn from 46.105.94.78
Aug 29 08:11:34 ncomp sshd[8627]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=46.105.94.78
Aug 29 08:11:34 ncomp sshd[8627]: Invalid user dpn from 46.105.94.78
Aug 29 08:11:36 ncomp sshd[8627]: Failed password for invalid user dpn from 46.105.94.78 port 50588 ssh2

WordPress wp-login brute force :: 108.179.219.114 0.144 BYPASS [29/Aug/2019:09:46:30  1000] [censored_1] "POST /wp-login.php HTTP/1.1" 200 3972 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"

Aug 29 01:05:14 xxxxxxx0 sshd[12248]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=1.197.232.202  user=r.r
Aug 29 01:05:16 xxxxxxx0 sshd[12248]: Failed password for r.r from 1.197.232.202 port 40303 ssh2
Aug 29 01:22:31 xxxxxxx0 sshd[15370]: Invalid user family from 1.197.232.202 port 40399
Aug 29 01:22:31 xxxxxxx0 sshd[15370]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=1.197.232.202
Aug 29 01:22:33 xxxxxxx0 sshd[15370]: Failed password for invalid user family from 1.197.232.202 port 40399 ssh2

........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=1.197.232.202

2019-08-29T06:59:50.765175abusebot-3.cloudsearch.cf sshd\[2632\]: Invalid user danikar from 14.192.17.145 port 37992

Aug 28 20:09:48 sachi sshd\[10008\]: Invalid user gustav from 117.187.12.126
Aug 28 20:09:48 sachi sshd\[10008\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=117.187.12.126
Aug 28 20:09:50 sachi sshd\[10008\]: Failed password for invalid user gustav from 117.187.12.126 port 39532 ssh2
Aug 28 20:13:10 sachi sshd\[10332\]: Invalid user bsd from 117.187.12.126
Aug 28 20:13:10 sachi sshd\[10332\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=117.187.12.126

2019-08-28 18:46:19 H=(103.229.45-170.helpline-bd.net) [103.229.45.170]:46360 I=[192.147.25.65]:25 sender verify fail for : Unrouteable address
2019-08-28 18:46:19 H=(103.229.45-170.helpline-bd.net) [103.229.45.170]:46360 I=[192.147.25.65]:25 F= rejected RCPT : Sender verify failed
2019-08-28 18:46:20 H=(103.229.45-170.helpline-bd.net) [103.229.45.170]:46360 I=[192.147.25.65]:25 F= rejected RCPT : Sender verify failed
...

Aug 29 08:01:24 ArkNodeAT sshd\[9788\]: Invalid user toor from 103.10.30.204
Aug 29 08:01:24 ArkNodeAT sshd\[9788\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.10.30.204
Aug 29 08:01:26 ArkNodeAT sshd\[9788\]: Failed password for invalid user toor from 103.10.30.204 port 51308 ssh2

Aug 29 01:42:38 mail1 sshd\[14505\]: Invalid user denzel from 106.13.144.8 port 45038
Aug 29 01:42:38 mail1 sshd\[14505\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.144.8
Aug 29 01:42:40 mail1 sshd\[14505\]: Failed password for invalid user denzel from 106.13.144.8 port 45038 ssh2
Aug 29 01:46:54 mail1 sshd\[16363\]: Invalid user xerox from 106.13.144.8 port 50012
Aug 29 01:46:54 mail1 sshd\[16363\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.144.8
...

2019-08-29T11:22:26.858885enmeeting.mahidol.ac.th sshd\[19013\]: User root from 59.185.244.243 not allowed because not listed in AllowUsers
2019-08-29T11:22:26.989939enmeeting.mahidol.ac.th sshd\[19013\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=59.185.244.243  user=root
2019-08-29T11:22:29.386722enmeeting.mahidol.ac.th sshd\[19013\]: Failed password for invalid user root from 59.185.244.243 port 52653 ssh2
...

Aug 29 06:22:17 xeon sshd[8640]: Failed password for invalid user bogota from 203.172.161.11 port 51618 ssh2