(sshd) Failed SSH login from 45.252.249.73 (VN/Vietnam/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Oct  9 16:28:49 server5 sshd[22221]: Invalid user user3 from 45.252.249.73
Oct  9 16:28:49 server5 sshd[22221]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.252.249.73 
Oct  9 16:28:52 server5 sshd[22221]: Failed password for invalid user user3 from 45.252.249.73 port 45454 ssh2
Oct  9 16:40:13 server5 sshd[27427]: Invalid user monitoring from 45.252.249.73
Oct  9 16:40:13 server5 sshd[27427]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.252.249.73

Oct  9 12:21:27 124388 sshd[4745]: Failed password for root from 45.252.249.73 port 41160 ssh2
Oct  9 12:25:53 124388 sshd[4930]: Invalid user amavis from 45.252.249.73 port 48808
Oct  9 12:25:53 124388 sshd[4930]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.252.249.73
Oct  9 12:25:53 124388 sshd[4930]: Invalid user amavis from 45.252.249.73 port 48808
Oct  9 12:25:54 124388 sshd[4930]: Failed password for invalid user amavis from 45.252.249.73 port 48808 ssh2

Unauthorized SSH login attempts

Aug 23 15:08:19 game-panel sshd[20568]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.252.249.73
Aug 23 15:08:20 game-panel sshd[20568]: Failed password for invalid user nss from 45.252.249.73 port 49652 ssh2
Aug 23 15:12:54 game-panel sshd[20859]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.252.249.73

Aug 20 14:03:39 h2646465 sshd[905]: Invalid user user from 45.252.249.73
Aug 20 14:03:39 h2646465 sshd[905]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.252.249.73
Aug 20 14:03:39 h2646465 sshd[905]: Invalid user user from 45.252.249.73
Aug 20 14:03:41 h2646465 sshd[905]: Failed password for invalid user user from 45.252.249.73 port 48374 ssh2
Aug 20 14:15:30 h2646465 sshd[2859]: Invalid user wh from 45.252.249.73
Aug 20 14:15:30 h2646465 sshd[2859]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.252.249.73
Aug 20 14:15:30 h2646465 sshd[2859]: Invalid user wh from 45.252.249.73
Aug 20 14:15:32 h2646465 sshd[2859]: Failed password for invalid user wh from 45.252.249.73 port 41464 ssh2
Aug 20 14:19:38 h2646465 sshd[3016]: Invalid user laury from 45.252.249.73
...

Invalid user mcts from 45.252.249.73 port 50866

Jul 24 05:51:23 electroncash sshd[35143]: Invalid user mailman from 45.252.249.73 port 49340
Jul 24 05:51:23 electroncash sshd[35143]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.252.249.73 
Jul 24 05:51:23 electroncash sshd[35143]: Invalid user mailman from 45.252.249.73 port 49340
Jul 24 05:51:25 electroncash sshd[35143]: Failed password for invalid user mailman from 45.252.249.73 port 49340 ssh2
Jul 24 05:55:43 electroncash sshd[36228]: Invalid user jrb from 45.252.249.73 port 57662
...

2020-07-14T00:58:54.262669server.mjenks.net sshd[1676725]: Invalid user practice from 45.252.249.73 port 49888
2020-07-14T00:58:54.268162server.mjenks.net sshd[1676725]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.252.249.73
2020-07-14T00:58:54.262669server.mjenks.net sshd[1676725]: Invalid user practice from 45.252.249.73 port 49888
2020-07-14T00:58:56.451827server.mjenks.net sshd[1676725]: Failed password for invalid user practice from 45.252.249.73 port 49888 ssh2
2020-07-14T01:01:42.617572server.mjenks.net sshd[1677093]: Invalid user theo from 45.252.249.73 port 33234
...

Jul 12 17:10:08 george sshd[20499]: Failed password for invalid user admin from 45.252.249.73 port 52896 ssh2
Jul 12 17:12:30 george sshd[20521]: Invalid user oks from 45.252.249.73 port 32882
Jul 12 17:12:30 george sshd[20521]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.252.249.73 
Jul 12 17:12:32 george sshd[20521]: Failed password for invalid user oks from 45.252.249.73 port 32882 ssh2
Jul 12 17:14:56 george sshd[20539]: Invalid user jv from 45.252.249.73 port 40982
...

Invalid user xieshenru from 45.252.249.73 port 59626

2020-07-09T23:15:40.702356abusebot-4.cloudsearch.cf sshd[17515]: Invalid user git from 45.252.249.73 port 52966
2020-07-09T23:15:40.707555abusebot-4.cloudsearch.cf sshd[17515]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.252.249.73
2020-07-09T23:15:40.702356abusebot-4.cloudsearch.cf sshd[17515]: Invalid user git from 45.252.249.73 port 52966
2020-07-09T23:15:42.615453abusebot-4.cloudsearch.cf sshd[17515]: Failed password for invalid user git from 45.252.249.73 port 52966 ssh2
2020-07-09T23:19:12.488374abusebot-4.cloudsearch.cf sshd[17560]: Invalid user sendil from 45.252.249.73 port 51948
2020-07-09T23:19:12.497152abusebot-4.cloudsearch.cf sshd[17560]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.252.249.73
2020-07-09T23:19:12.488374abusebot-4.cloudsearch.cf sshd[17560]: Invalid user sendil from 45.252.249.73 port 51948
2020-07-09T23:19:14.841965abusebot-4.cloudsearch.cf sshd[17560]: Failed pas
...

2020-07-07T12:21:56.150967+02:00  sshd[17394]: Failed password for invalid user xzq from 45.252.249.73 port 57998 ssh2

Invalid user ttt from 45.252.249.73 port 37714

...

May 27 23:00:08 server1 sshd\[692\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.252.249.73  user=root
May 27 23:00:10 server1 sshd\[692\]: Failed password for root from 45.252.249.73 port 50444 ssh2
May 27 23:04:24 server1 sshd\[1882\]: Invalid user wakita from 45.252.249.73
May 27 23:04:24 server1 sshd\[1882\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.252.249.73 
May 27 23:04:27 server1 sshd\[1882\]: Failed password for invalid user wakita from 45.252.249.73 port 57198 ssh2
...

Nov 24 08:16:45 SilenceServices sshd[27881]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.99.219.208
Nov 24 08:16:47 SilenceServices sshd[27881]: Failed password for invalid user strategy135!@#$% from 139.99.219.208 port 47770 ssh2
Nov 24 08:23:41 SilenceServices sshd[29859]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.99.219.208

Automatic report - XMLRPC Attack

Nov 24 07:21:25 localhost sshd\[23160\]: Invalid user ident from 129.211.113.29 port 56584
Nov 24 07:21:25 localhost sshd\[23160\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.211.113.29
Nov 24 07:21:27 localhost sshd\[23160\]: Failed password for invalid user ident from 129.211.113.29 port 56584 ssh2
Nov 24 07:29:05 localhost sshd\[23419\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.211.113.29  user=root
Nov 24 07:29:08 localhost sshd\[23419\]: Failed password for root from 129.211.113.29 port 34562 ssh2
...

" "

Nov 24 08:17:19 tux-35-217 sshd\[22896\]: Invalid user xantippe from 129.226.188.41 port 43104
Nov 24 08:17:19 tux-35-217 sshd\[22896\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.226.188.41
Nov 24 08:17:20 tux-35-217 sshd\[22896\]: Failed password for invalid user xantippe from 129.226.188.41 port 43104 ssh2
Nov 24 08:26:48 tux-35-217 sshd\[22935\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.226.188.41  user=root
...

Nov 24 08:36:52 localhost sshd\[779\]: Invalid user games777 from 91.217.194.85 port 53346
Nov 24 08:36:52 localhost sshd\[779\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.217.194.85
Nov 24 08:36:54 localhost sshd\[779\]: Failed password for invalid user games777 from 91.217.194.85 port 53346 ssh2

Nov 24 08:24:17 odroid64 sshd\[23538\]: Invalid user ftpuser from 45.55.157.147
Nov 24 08:24:17 odroid64 sshd\[23538\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.55.157.147
...

Nov 23 09:20:23 sshd[3634]: Invalid user backuppc from 61.41.159.29 port 50180

Nov 23 20:40:31 auw2 sshd\[8777\]: Invalid user sidney123 from 163.172.61.214
Nov 23 20:40:31 auw2 sshd\[8777\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=163.172.61.214
Nov 23 20:40:33 auw2 sshd\[8777\]: Failed password for invalid user sidney123 from 163.172.61.214 port 34006 ssh2
Nov 23 20:46:52 auw2 sshd\[9471\]: Invalid user friede from 163.172.61.214
Nov 23 20:46:52 auw2 sshd\[9471\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=163.172.61.214

Nov 20 10:01:55 xzibhostname postfix/smtpd[9657]: warning: hostname ip-113-123.4vendeta.com does not resolve to address 78.128.113.123: Name or service not known
Nov 20 10:01:55 xzibhostname postfix/smtpd[9657]: connect from unknown[78.128.113.123]
Nov 20 10:01:57 xzibhostname postfix/smtpd[9657]: warning: unknown[78.128.113.123]: SASL PLAIN authentication failed: authentication failure
Nov 20 10:01:57 xzibhostname postfix/smtpd[9657]: lost connection after AUTH from unknown[78.128.113.123]
Nov 20 10:01:57 xzibhostname postfix/smtpd[9657]: disconnect from unknown[78.128.113.123]
Nov 20 10:01:57 xzibhostname postfix/smtpd[11470]: warning: hostname ip-113-123.4vendeta.com does not resolve to address 78.128.113.123: Name or service not known
Nov 20 10:01:57 xzibhostname postfix/smtpd[11470]: connect from unknown[78.128.113.123]
Nov 20 10:01:57 xzibhostname postfix/smtpd[9657]: warning: hostname ip-113-123.4vendeta.com does not resolve to address 78.128.113.123: Name or ser........
-------------------------------

Nov 24 07:28:24 MK-Soft-VM3 sshd[16484]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.24.154.64 
Nov 24 07:28:26 MK-Soft-VM3 sshd[16484]: Failed password for invalid user admin from 118.24.154.64 port 48218 ssh2
...

2019-11-24T07:27:50.884389stark.klein-stark.info postfix/smtpd\[21678\]: NOQUEUE: reject: RCPT from palliate.shrewdmhealth.com\[81.28.100.106\]: 554 5.7.1 \: Relay access denied\; from=\ to=\ proto=ESMTP helo=\
...

Telnetd brute force attack detected by fail2ban

3.24.182.244 was recorded 120 times by 32 hosts attempting to connect to the following ports: 2377,2375,4243,2376. Incident counter (4h, 24h, all-time): 120, 584, 648

Nov 24 07:22:55 mxgate1 postfix/postscreen[13998]: CONNECT from [51.252.194.154]:1163 to [176.31.12.44]:25
Nov 24 07:22:55 mxgate1 postfix/dnsblog[14509]: addr 51.252.194.154 listed by domain cbl.abuseat.org as 127.0.0.2
Nov 24 07:22:55 mxgate1 postfix/dnsblog[14511]: addr 51.252.194.154 listed by domain zen.spamhaus.org as 127.0.0.11
Nov 24 07:22:55 mxgate1 postfix/dnsblog[14511]: addr 51.252.194.154 listed by domain zen.spamhaus.org as 127.0.0.4
Nov 24 07:22:55 mxgate1 postfix/dnsblog[14511]: addr 51.252.194.154 listed by domain zen.spamhaus.org as 127.0.0.3
Nov 24 07:22:55 mxgate1 postfix/dnsblog[14510]: addr 51.252.194.154 listed by domain ix.dnsbl.xxxxxx.net as 127.0.0.2
Nov 24 07:22:55 mxgate1 postfix/dnsblog[14512]: addr 51.252.194.154 listed by domain b.barracudacentral.org as 127.0.0.2
Nov 24 07:22:55 mxgate1 postfix/dnsblog[14508]: addr 51.252.194.154 listed by domain bl.spamcop.net as 127.0.0.2
Nov 24 07:23:01 mxgate1 postfix/postscreen[13998]: DNSBL rank 6 f........
-------------------------------