Aug 31 18:50:07 icinga sshd[1064]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.110.14
Aug 31 18:50:08 icinga sshd[1064]: Failed password for invalid user test from 180.76.110.14 port 51036 ssh2
...

Aug 27 03:03:58 lnxmysql61 sshd[11885]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.110.14

Aug 21 22:59:44 dedicated sshd[30601]: Invalid user monitor from 180.76.110.14 port 33136

Aug 13 22:43:57 [host] sshd[6938]: Invalid user zhai from 180.76.110.14
Aug 13 22:43:57 [host] sshd[6938]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.110.14
Aug 13 22:43:59 [host] sshd[6938]: Failed password for invalid user zhai from 180.76.110.14 port 34390 ssh2

Jul 22 18:19:00 s64-1 sshd[15253]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.110.14
Jul 22 18:19:02 s64-1 sshd[15253]: Failed password for invalid user squid from 180.76.110.14 port 60614 ssh2
Jul 22 18:20:54 s64-1 sshd[15257]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.110.14
...

Jul 22 09:03:00 s64-1 sshd[9118]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.110.14
Jul 22 09:03:02 s64-1 sshd[9118]: Failed password for invalid user nuc from 180.76.110.14 port 41946 ssh2
Jul 22 09:04:44 s64-1 sshd[9128]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.110.14
...

Jul 15 10:01:06 microserver sshd[46452]: Invalid user grace from 180.76.110.14 port 35040
Jul 15 10:01:06 microserver sshd[46452]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.110.14
Jul 15 10:01:08 microserver sshd[46452]: Failed password for invalid user grace from 180.76.110.14 port 35040 ssh2
Jul 15 10:05:16 microserver sshd[47101]: Invalid user node from 180.76.110.14 port 41918
Jul 15 10:05:16 microserver sshd[47101]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.110.14
Jul 15 10:17:43 microserver sshd[48556]: Invalid user testuser1 from 180.76.110.14 port 34292
Jul 15 10:17:43 microserver sshd[48556]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.110.14
Jul 15 10:17:44 microserver sshd[48556]: Failed password for invalid user testuser1 from 180.76.110.14 port 34292 ssh2
Jul 15 10:21:45 microserver sshd[49179]: Invalid user etri from 180.76.110.14 port 41166

Jun 27 05:53:25 ns37 sshd[8327]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.110.14
Jun 27 05:53:25 ns37 sshd[8327]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.110.14

Jun 23 02:08:15 kmh-vmh-001 sshd[3473]: Invalid user tgipl66 from 180.76.110.14 port 36934
Jun 23 02:08:16 kmh-vmh-001 sshd[3473]: Failed password for invalid user tgipl66 from 180.76.110.14 port 36934 ssh2
Jun 23 02:08:17 kmh-vmh-001 sshd[3473]: Received disconnect from 180.76.110.14 port 36934:11: Bye Bye [preauth]
Jun 23 02:08:17 kmh-vmh-001 sshd[3473]: Disconnected from 180.76.110.14 port 36934 [preauth]
Jun 23 02:13:29 kmh-vmh-001 sshd[14604]: Invalid user gj from 180.76.110.14 port 46290
Jun 23 02:13:31 kmh-vmh-001 sshd[14604]: Failed password for invalid user gj from 180.76.110.14 port 46290 ssh2
Jun 23 02:13:31 kmh-vmh-001 sshd[14604]: Received disconnect from 180.76.110.14 port 46290:11: Bye Bye [preauth]
Jun 23 02:13:31 kmh-vmh-001 sshd[14604]: Disconnected from 180.76.110.14 port 46290 [preauth]
Jun 23 02:14:09 kmh-vmh-001 sshd[19326]: Invalid user scan from 180.76.110.14 port 51418
Jun 23 02:14:10 kmh-vmh-001 sshd[19240]: Connection closed by 180.76.110.14 p........
-------------------------------

Found by fail2ban

May  7 08:42:41 ns382633 sshd\[1039\]: Invalid user ftpusr from 180.76.110.70 port 48282
May  7 08:42:41 ns382633 sshd\[1039\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.110.70
May  7 08:42:43 ns382633 sshd\[1039\]: Failed password for invalid user ftpusr from 180.76.110.70 port 48282 ssh2
May  7 08:54:54 ns382633 sshd\[3143\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.110.70  user=root
May  7 08:54:56 ns382633 sshd\[3143\]: Failed password for root from 180.76.110.70 port 55878 ssh2

Apr 24 06:36:54 cloud sshd[27395]: Failed password for root from 180.76.110.70 port 39752 ssh2
Apr 24 06:45:53 cloud sshd[27758]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.110.70

Invalid user rx from 180.76.110.155 port 54042

Tried sshing with brute force.

2020-04-07 UTC: (34x) - admin,client,damian,demo,deploy(2x),ftp_user,git,guest,leon,mc,nproc(4x),ocadmin,oracle,postgres,public,q2server,root(4x),sign,support,test(2x),teste,ubuntu(2x),user(2x),wow

5x Failed Password

Apr  6 06:25:35 sticky sshd\[5941\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.110.210  user=root
Apr  6 06:25:37 sticky sshd\[5941\]: Failed password for root from 180.76.110.210 port 51556 ssh2
Apr  6 06:28:49 sticky sshd\[5947\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.110.210  user=root
Apr  6 06:28:51 sticky sshd\[5947\]: Failed password for root from 180.76.110.210 port 49636 ssh2
Apr  6 06:32:12 sticky sshd\[5971\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.110.210  user=root
...

DATE:2020-03-18 23:15:27, IP:180.76.110.70, PORT:ssh SSH brute force auth (docker-dc)

suspicious action Tue, 10 Mar 2020 15:15:40 -0300

Mar  8 15:28:17 ip-172-31-62-245 sshd\[8557\]: Invalid user sistemas from 180.76.110.70\
Mar  8 15:28:19 ip-172-31-62-245 sshd\[8557\]: Failed password for invalid user sistemas from 180.76.110.70 port 56004 ssh2\
Mar  8 15:32:26 ip-172-31-62-245 sshd\[8595\]: Invalid user postgres from 180.76.110.70\
Mar  8 15:32:28 ip-172-31-62-245 sshd\[8595\]: Failed password for invalid user postgres from 180.76.110.70 port 38294 ssh2\
Mar  8 15:36:41 ip-172-31-62-245 sshd\[8625\]: Invalid user vnc from 180.76.110.70\

Invalid user cmsfox from 180.76.110.70 port 52456

SSH Brute-Force reported by Fail2Ban

$f2bV_matches_ltvn

Jul 28 14:44:15 mail sshd\[14291\]: Failed password for invalid user Qwerty@147852 from 180.76.110.42 port 51662 ssh2
Jul 28 14:59:21 mail sshd\[14514\]: Invalid user Passw0rd2010\* from 180.76.110.42 port 39138
...

B: Magento admin pass test (wrong country)

2019-11-24T00:45:12.488089  sshd[32350]: Invalid user Ilmari from 104.37.169.192 port 57834
2019-11-24T00:45:12.502276  sshd[32350]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.37.169.192
2019-11-24T00:45:12.488089  sshd[32350]: Invalid user Ilmari from 104.37.169.192 port 57834
2019-11-24T00:45:15.058993  sshd[32350]: Failed password for invalid user Ilmari from 104.37.169.192 port 57834 ssh2
2019-11-24T00:48:58.989568  sshd[32406]: Invalid user cisler from 104.37.169.192 port 48243
...

Nov 24 01:48:11 v22018086721571380 sshd[8424]: Failed password for invalid user elissa from 129.211.125.143 port 32768 ssh2

Brute-force attempt banned

Nov 23 23:37:22 mail postfix/smtpd[17247]: warning: unknown[187.94.136.140]: SASL PLAIN authentication failed: 
Nov 23 23:38:09 mail postfix/smtpd[18133]: warning: unknown[187.94.136.140]: SASL PLAIN authentication failed: 
Nov 23 23:42:43 mail postfix/smtps/smtpd[16348]: warning: unknown[187.94.136.140]: SASL PLAIN authentication failed:

Nov 24 01:42:40 vmanager6029 sshd\[4655\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.180.223  user=root
Nov 24 01:42:43 vmanager6029 sshd\[4655\]: Failed password for root from 222.186.180.223 port 4616 ssh2
Nov 24 01:42:46 vmanager6029 sshd\[4655\]: Failed password for root from 222.186.180.223 port 4616 ssh2

Nov 24 06:18:11 vibhu-HP-Z238-Microtower-Workstation sshd\[28591\]: Invalid user @@@@@@@@ from 119.27.168.208
Nov 24 06:18:11 vibhu-HP-Z238-Microtower-Workstation sshd\[28591\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.27.168.208
Nov 24 06:18:13 vibhu-HP-Z238-Microtower-Workstation sshd\[28591\]: Failed password for invalid user @@@@@@@@ from 119.27.168.208 port 37018 ssh2
Nov 24 06:21:47 vibhu-HP-Z238-Microtower-Workstation sshd\[28754\]: Invalid user cuneo from 119.27.168.208
Nov 24 06:21:47 vibhu-HP-Z238-Microtower-Workstation sshd\[28754\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.27.168.208
...

2019-11-24T00:30:49.631009abusebot-8.cloudsearch.cf sshd\[20608\]: Invalid user nfs from 76.115.138.33 port 38864

Nov 24 00:52:20 markkoudstaal sshd[21660]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.215.217.180
Nov 24 00:52:23 markkoudstaal sshd[21660]: Failed password for invalid user dovecot from 139.215.217.180 port 52273 ssh2
Nov 24 01:01:29 markkoudstaal sshd[22407]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.215.217.180

Nov 24 06:17:12 vibhu-HP-Z238-Microtower-Workstation sshd\[28557\]: Invalid user genusopera from 80.98.98.180
Nov 24 06:17:12 vibhu-HP-Z238-Microtower-Workstation sshd\[28557\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.98.98.180
Nov 24 06:17:14 vibhu-HP-Z238-Microtower-Workstation sshd\[28557\]: Failed password for invalid user genusopera from 80.98.98.180 port 51194 ssh2
Nov 24 06:23:25 vibhu-HP-Z238-Microtower-Workstation sshd\[28806\]: Invalid user edmonton from 80.98.98.180
Nov 24 06:23:25 vibhu-HP-Z238-Microtower-Workstation sshd\[28806\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.98.98.180
...

$f2bV_matches

Nov 23 20:44:38 firewall sshd[30874]: Failed password for invalid user rpm from 138.197.176.130 port 46908 ssh2
Nov 23 20:50:53 firewall sshd[30968]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.197.176.130  user=root
Nov 23 20:50:55 firewall sshd[30968]: Failed password for root from 138.197.176.130 port 37236 ssh2
...

159.203.201.15 was recorded 5 times by 5 hosts attempting to connect to the following ports: 4332. Incident counter (4h, 24h, all-time): 5, 5, 109

Nov 24 01:27:41 vps647732 sshd[24878]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.4.106.78
Nov 24 01:27:43 vps647732 sshd[24878]: Failed password for invalid user 123 from 81.4.106.78 port 48094 ssh2
...

Invalid user ta from 5.196.70.107 port 33000