Nov 30 16:12:00 mout sshd[22183]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.34.178  user=root
Nov 30 16:12:02 mout sshd[22183]: Failed password for root from 106.13.34.178 port 54436 ssh2

Nov  9 11:43:32 tux-35-217 sshd\[19850\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.34.178  user=root
Nov  9 11:43:33 tux-35-217 sshd\[19850\]: Failed password for root from 106.13.34.178 port 34962 ssh2
Nov  9 11:48:31 tux-35-217 sshd\[19881\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.34.178  user=root
Nov  9 11:48:33 tux-35-217 sshd\[19881\]: Failed password for root from 106.13.34.178 port 41166 ssh2
...

Nov  5 06:24:54 localhost sshd\[121303\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.34.178  user=root
Nov  5 06:24:56 localhost sshd\[121303\]: Failed password for root from 106.13.34.178 port 59820 ssh2
Nov  5 06:30:22 localhost sshd\[121531\]: Invalid user ts3 from 106.13.34.178 port 40196
Nov  5 06:30:22 localhost sshd\[121531\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.34.178
Nov  5 06:30:24 localhost sshd\[121531\]: Failed password for invalid user ts3 from 106.13.34.178 port 40196 ssh2
...

2019-10-26T06:36:47.668158shield sshd\[25538\]: Invalid user pixmet2003 from 106.13.34.178 port 45356
2019-10-26T06:36:47.675658shield sshd\[25538\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.34.178
2019-10-26T06:36:49.854831shield sshd\[25538\]: Failed password for invalid user pixmet2003 from 106.13.34.178 port 45356 ssh2
2019-10-26T06:42:14.086732shield sshd\[26932\]: Invalid user pentaho1 from 106.13.34.178 port 52650
2019-10-26T06:42:14.092835shield sshd\[26932\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.34.178

Oct 12 20:57:55 rotator sshd\[28581\]: Invalid user vandusen from 106.13.34.131Oct 12 20:57:58 rotator sshd\[28581\]: Failed password for invalid user vandusen from 106.13.34.131 port 48250 ssh2Oct 12 21:01:17 rotator sshd\[29358\]: Failed password for root from 106.13.34.131 port 46053 ssh2Oct 12 21:04:26 rotator sshd\[29392\]: Invalid user ruben from 106.13.34.131Oct 12 21:04:28 rotator sshd\[29392\]: Failed password for invalid user ruben from 106.13.34.131 port 43838 ssh2Oct 12 21:07:38 rotator sshd\[30154\]: Invalid user leonel from 106.13.34.131
...

2020-10-11T17:52:37.6312981495-001 sshd[27285]: Failed password for invalid user asterisk from 106.13.34.131 port 48463 ssh2
2020-10-11T17:56:00.4540001495-001 sshd[27439]: Invalid user rivera from 106.13.34.131 port 48468
2020-10-11T17:56:00.4601891495-001 sshd[27439]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.34.131
2020-10-11T17:56:00.4540001495-001 sshd[27439]: Invalid user rivera from 106.13.34.131 port 48468
2020-10-11T17:56:02.0510661495-001 sshd[27439]: Failed password for invalid user rivera from 106.13.34.131 port 48468 ssh2
2020-10-11T17:59:21.3332791495-001 sshd[27650]: Invalid user baerbel from 106.13.34.131 port 48481
...

Oct 10 20:15:12 ns382633 sshd\[4581\]: Invalid user web74 from 106.13.34.131 port 17944
Oct 10 20:15:12 ns382633 sshd\[4581\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.34.131
Oct 10 20:15:14 ns382633 sshd\[4581\]: Failed password for invalid user web74 from 106.13.34.131 port 17944 ssh2
Oct 10 20:30:44 ns382633 sshd\[8618\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.34.131  user=root
Oct 10 20:30:47 ns382633 sshd\[8618\]: Failed password for root from 106.13.34.131 port 55812 ssh2

3x Failed Password

SSH login attempts.

Oct  9 04:56:40 Tower sshd[15139]: Connection from 106.13.34.173 port 45186 on 192.168.10.220 port 22 rdomain ""
Oct  9 04:56:43 Tower sshd[15139]: Invalid user cron from 106.13.34.173 port 45186
Oct  9 04:56:43 Tower sshd[15139]: error: Could not get shadow information for NOUSER
Oct  9 04:56:43 Tower sshd[15139]: Failed password for invalid user cron from 106.13.34.173 port 45186 ssh2
Oct  9 04:56:43 Tower sshd[15139]: Received disconnect from 106.13.34.173 port 45186:11: Bye Bye [preauth]
Oct  9 04:56:43 Tower sshd[15139]: Disconnected from invalid user cron 106.13.34.173 port 45186 [preauth]

Oct  9 04:56:40 Tower sshd[15139]: Connection from 106.13.34.173 port 45186 on 192.168.10.220 port 22 rdomain ""
Oct  9 04:56:43 Tower sshd[15139]: Invalid user cron from 106.13.34.173 port 45186
Oct  9 04:56:43 Tower sshd[15139]: error: Could not get shadow information for NOUSER
Oct  9 04:56:43 Tower sshd[15139]: Failed password for invalid user cron from 106.13.34.173 port 45186 ssh2
Oct  9 04:56:43 Tower sshd[15139]: Received disconnect from 106.13.34.173 port 45186:11: Bye Bye [preauth]
Oct  9 04:56:43 Tower sshd[15139]: Disconnected from invalid user cron 106.13.34.173 port 45186 [preauth]

2020-10-07T20:23:58.357847abusebot-4.cloudsearch.cf sshd[30782]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.34.131  user=root
2020-10-07T20:24:00.347950abusebot-4.cloudsearch.cf sshd[30782]: Failed password for root from 106.13.34.131 port 62319 ssh2
2020-10-07T20:27:00.332360abusebot-4.cloudsearch.cf sshd[30809]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.34.131  user=root
2020-10-07T20:27:01.971592abusebot-4.cloudsearch.cf sshd[30809]: Failed password for root from 106.13.34.131 port 54788 ssh2
2020-10-07T20:29:48.407884abusebot-4.cloudsearch.cf sshd[30835]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.34.131  user=root
2020-10-07T20:29:50.112170abusebot-4.cloudsearch.cf sshd[30835]: Failed password for root from 106.13.34.131 port 47229 ssh2
2020-10-07T20:32:43.941852abusebot-4.cloudsearch.cf sshd[30900]: pam_unix(sshd:auth): authe
...

repeated SSH login attempts

Oct  7 02:43:43 santamaria sshd\[24826\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.34.131  user=root
Oct  7 02:43:45 santamaria sshd\[24826\]: Failed password for root from 106.13.34.131 port 36518 ssh2
Oct  7 02:47:37 santamaria sshd\[24874\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.34.131  user=root
...

(sshd) Failed SSH login from 106.13.34.131 (CN/China/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Oct  1 02:33:49 optimus sshd[17333]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.34.131  user=root
Oct  1 02:33:51 optimus sshd[17333]: Failed password for root from 106.13.34.131 port 65357 ssh2
Oct  1 02:40:06 optimus sshd[19422]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.34.131  user=root
Oct  1 02:40:08 optimus sshd[19422]: Failed password for root from 106.13.34.131 port 13541 ssh2
Oct  1 02:43:28 optimus sshd[20656]: Invalid user 1 from 106.13.34.131

$f2bV_matches

2020-09-25T14:46:11.684573server.espacesoutien.com sshd[9097]: Invalid user liuhao from 106.13.34.131 port 51051
2020-09-25T14:46:11.697808server.espacesoutien.com sshd[9097]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.34.131
2020-09-25T14:46:11.684573server.espacesoutien.com sshd[9097]: Invalid user liuhao from 106.13.34.131 port 51051
2020-09-25T14:46:13.466145server.espacesoutien.com sshd[9097]: Failed password for invalid user liuhao from 106.13.34.131 port 51051 ssh2
...

Sep 25 09:02:15 rancher-0 sshd[282693]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.34.131  user=root
Sep 25 09:02:17 rancher-0 sshd[282693]: Failed password for root from 106.13.34.131 port 55863 ssh2
...

Too many connections or unauthorized access detected from Arctic banned ip

(imapd) Failed IMAP login from 212.98.122.91 (DK/Denmark/-): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: Aug 30 16:45:14 ir1 dovecot[3110802]: imap-login: Disconnected (auth failed, 1 attempts in 5 secs): user=, method=PLAIN, rip=212.98.122.91, lip=5.63.12.44, TLS: Connection closed, session=

Aug 30 15:56:30 sso sshd[9532]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=43.229.153.13
Aug 30 15:56:31 sso sshd[9532]: Failed password for invalid user db2fenc1 from 43.229.153.13 port 54787 ssh2
...

Unauthorised access (Aug 30) SRC=121.27.54.135 LEN=40 TTL=46 ID=5200 TCP DPT=8080 WINDOW=18940 SYN

fail2ban/Aug 30 14:06:25 h1962932 sshd[24706]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=117.158.78.5  user=root
Aug 30 14:06:27 h1962932 sshd[24706]: Failed password for root from 117.158.78.5 port 4063 ssh2
Aug 30 14:11:05 h1962932 sshd[24780]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=117.158.78.5  user=root
Aug 30 14:11:07 h1962932 sshd[24780]: Failed password for root from 117.158.78.5 port 4065 ssh2
Aug 30 14:15:15 h1962932 sshd[24861]: Invalid user vmail from 117.158.78.5 port 4066

Aug 30 13:04:16 instance-2 sshd[19042]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=52.187.4.172 
Aug 30 13:04:18 instance-2 sshd[19042]: Failed password for invalid user ts3bot from 52.187.4.172 port 49408 ssh2
Aug 30 13:08:32 instance-2 sshd[19195]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=52.187.4.172

Unauthorized connection attempt from IP address 83.221.222.91 on Port 445(SMB)

Unauthorized connection attempt from IP address 212.35.167.44 on Port 445(SMB)

Unauthorized connection attempt from IP address 178.134.32.174 on Port 445(SMB)

Auto Fail2Ban report, multiple SSH login attempts.

Aug 30 15:28:04 vps1 sshd[4057]: Failed none for invalid user root from 222.186.175.150 port 5766 ssh2
Aug 30 15:28:05 vps1 sshd[4057]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.150  user=root
Aug 30 15:28:06 vps1 sshd[4057]: Failed password for invalid user root from 222.186.175.150 port 5766 ssh2
Aug 30 15:28:10 vps1 sshd[4057]: Failed password for invalid user root from 222.186.175.150 port 5766 ssh2
Aug 30 15:28:13 vps1 sshd[4057]: Failed password for invalid user root from 222.186.175.150 port 5766 ssh2
Aug 30 15:28:17 vps1 sshd[4057]: Failed password for invalid user root from 222.186.175.150 port 5766 ssh2
Aug 30 15:28:22 vps1 sshd[4057]: Failed password for invalid user root from 222.186.175.150 port 5766 ssh2
Aug 30 15:28:22 vps1 sshd[4057]: error: maximum authentication attempts exceeded for invalid user root from 222.186.175.150 port 5766 ssh2 [preauth]
...

SSH brute-force attempt

$f2bV_matches

port scan and connect, tcp 22 (ssh)

Aug 30 05:37:05 mockhub sshd[21199]: Failed password for root from 51.178.46.95 port 38816 ssh2
...

Aug 30 14:33:02 haigwepa sshd[25112]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=116.206.196.125 
Aug 30 14:33:04 haigwepa sshd[25112]: Failed password for invalid user greatwall from 116.206.196.125 port 52700 ssh2
...