Feb 12 19:49:52 auw2 sshd\[27127\]: Invalid user greg from 110.45.147.55
Feb 12 19:49:52 auw2 sshd\[27127\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=110.45.147.55
Feb 12 19:49:54 auw2 sshd\[27127\]: Failed password for invalid user greg from 110.45.147.55 port 38654 ssh2
Feb 12 19:56:54 auw2 sshd\[27755\]: Invalid user nmsguest from 110.45.147.55
Feb 12 19:56:54 auw2 sshd\[27755\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=110.45.147.55

Jan  6 13:25:00 home sshd[16114]: Invalid user ubnt from 110.45.147.55 port 34026
Jan  6 13:25:01 home sshd[16114]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=110.45.147.55
Jan  6 13:25:00 home sshd[16114]: Invalid user ubnt from 110.45.147.55 port 34026
Jan  6 13:25:03 home sshd[16114]: Failed password for invalid user ubnt from 110.45.147.55 port 34026 ssh2
Jan  6 13:34:45 home sshd[16175]: Invalid user atir from 110.45.147.55 port 32768
Jan  6 13:34:45 home sshd[16175]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=110.45.147.55
Jan  6 13:34:45 home sshd[16175]: Invalid user atir from 110.45.147.55 port 32768
Jan  6 13:34:47 home sshd[16175]: Failed password for invalid user atir from 110.45.147.55 port 32768 ssh2
Jan  6 13:40:58 home sshd[16216]: Invalid user test1 from 110.45.147.55 port 41286
Jan  6 13:40:58 home sshd[16216]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=110.4

Tried sshing with brute force.

Triggered by Fail2Ban at Ares web server

Jul 13 14:19:42 rush sshd[2751]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=110.45.147.77
Jul 13 14:19:44 rush sshd[2751]: Failed password for invalid user croissant from 110.45.147.77 port 37564 ssh2
Jul 13 14:24:11 rush sshd[2863]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=110.45.147.77
...

Jun 20 20:52:10 vps647732 sshd[18468]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=110.45.147.77
Jun 20 20:52:13 vps647732 sshd[18468]: Failed password for invalid user fe from 110.45.147.77 port 50874 ssh2
...

Jun 15 07:42:57 rush sshd[21823]: Failed password for root from 110.45.147.77 port 58766 ssh2
Jun 15 07:47:19 rush sshd[22007]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=110.45.147.77
Jun 15 07:47:21 rush sshd[22007]: Failed password for invalid user eric from 110.45.147.77 port 36322 ssh2
...

Jun 12 13:06:29 ajax sshd[16066]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=110.45.147.77 
Jun 12 13:06:31 ajax sshd[16066]: Failed password for invalid user W@chtw00rd123! from 110.45.147.77 port 34990 ssh2

$f2bV_matches

May 16 02:26:20 eventyay sshd[15389]: Failed password for root from 110.45.147.77 port 47166 ssh2
May 16 02:33:03 eventyay sshd[15607]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=110.45.147.77
May 16 02:33:05 eventyay sshd[15607]: Failed password for invalid user admin from 110.45.147.77 port 45974 ssh2
...

$f2bV_matches

May  7 06:55:03 h2779839 sshd[17618]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=110.45.147.77  user=sebastian
May  7 06:55:05 h2779839 sshd[17618]: Failed password for sebastian from 110.45.147.77 port 55462 ssh2
May  7 06:57:52 h2779839 sshd[17680]: Invalid user padeoe from 110.45.147.77 port 50754
May  7 06:57:52 h2779839 sshd[17680]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=110.45.147.77
May  7 06:57:52 h2779839 sshd[17680]: Invalid user padeoe from 110.45.147.77 port 50754
May  7 06:57:55 h2779839 sshd[17680]: Failed password for invalid user padeoe from 110.45.147.77 port 50754 ssh2
May  7 07:00:41 h2779839 sshd[17726]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=110.45.147.77  user=root
May  7 07:00:42 h2779839 sshd[17726]: Failed password for root from 110.45.147.77 port 46044 ssh2
May  7 07:03:34 h2779839 sshd[17787]: pam_unix(sshd:auth): auth
...

May  3 05:23:42 ws22vmsma01 sshd[187632]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=110.45.147.77
May  3 05:23:44 ws22vmsma01 sshd[187632]: Failed password for invalid user rosanna from 110.45.147.77 port 40146 ssh2
...

prod8
...

Mar 26 11:43:02 ns382633 sshd\[25606\]: Invalid user confluence1 from 110.45.147.77 port 53530
Mar 26 11:43:02 ns382633 sshd\[25606\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=110.45.147.77
Mar 26 11:43:05 ns382633 sshd\[25606\]: Failed password for invalid user confluence1 from 110.45.147.77 port 53530 ssh2
Mar 26 12:02:57 ns382633 sshd\[29529\]: Invalid user abril from 110.45.147.77 port 49080
Mar 26 12:02:57 ns382633 sshd\[29529\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=110.45.147.77

Mar  8 15:15:08 gw1 sshd[30228]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=110.45.147.77
Mar  8 15:15:10 gw1 sshd[30228]: Failed password for invalid user mmcom from 110.45.147.77 port 42168 ssh2
...

Feb 29 06:22:51 srv-ubuntu-dev3 sshd[107056]: Invalid user mmr from 110.45.147.77
Feb 29 06:22:51 srv-ubuntu-dev3 sshd[107056]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=110.45.147.77
Feb 29 06:22:51 srv-ubuntu-dev3 sshd[107056]: Invalid user mmr from 110.45.147.77
Feb 29 06:22:53 srv-ubuntu-dev3 sshd[107056]: Failed password for invalid user mmr from 110.45.147.77 port 45232 ssh2
Feb 29 06:25:18 srv-ubuntu-dev3 sshd[108348]: Invalid user christian from 110.45.147.77
Feb 29 06:25:18 srv-ubuntu-dev3 sshd[108348]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=110.45.147.77
Feb 29 06:25:18 srv-ubuntu-dev3 sshd[108348]: Invalid user christian from 110.45.147.77
Feb 29 06:25:20 srv-ubuntu-dev3 sshd[108348]: Failed password for invalid user christian from 110.45.147.77 port 36962 ssh2
Feb 29 06:27:46 srv-ubuntu-dev3 sshd[113504]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh r
...

Sep 19 19:03:21 home sshd[26522]: Invalid user friends from 221.150.22.201 port 55594
Sep 19 19:03:21 home sshd[26522]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=221.150.22.201
Sep 19 19:03:21 home sshd[26522]: Invalid user friends from 221.150.22.201 port 55594
Sep 19 19:03:24 home sshd[26522]: Failed password for invalid user friends from 221.150.22.201 port 55594 ssh2
Sep 19 19:13:35 home sshd[26617]: Invalid user mortimer from 221.150.22.201 port 16674
Sep 19 19:13:35 home sshd[26617]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=221.150.22.201
Sep 19 19:13:35 home sshd[26617]: Invalid user mortimer from 221.150.22.201 port 16674
Sep 19 19:13:37 home sshd[26617]: Failed password for invalid user mortimer from 221.150.22.201 port 16674 ssh2
Sep 19 19:18:00 home sshd[26649]: Invalid user test2 from 221.150.22.201 port 58380
Sep 19 19:18:00 home sshd[26649]: pam_unix(sshd:auth): authentication failure; logname= uid=0 eui

Invalid user deploy from 152.136.125.210 port 55014

Telnet Server BruteForce Attack

SSH Brute Force

Sep 20 07:43:03 vps691689 sshd[9582]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=92.249.143.33
Sep 20 07:43:06 vps691689 sshd[9582]: Failed password for invalid user wes from 92.249.143.33 port 56383 ssh2
...

port scan and connect, tcp 80 (http)

2019-09-20T04:36:01.6357161495-001 sshd\[51517\]: Invalid user sn from 62.234.206.12 port 48478
2019-09-20T04:36:01.6440821495-001 sshd\[51517\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.234.206.12
2019-09-20T04:36:03.8612861495-001 sshd\[51517\]: Failed password for invalid user sn from 62.234.206.12 port 48478 ssh2
2019-09-20T04:41:02.7179731495-001 sshd\[51857\]: Invalid user helen from 62.234.206.12 port 49280
2019-09-20T04:41:02.7250011495-001 sshd\[51857\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.234.206.12
2019-09-20T04:41:05.2633281495-001 sshd\[51857\]: Failed password for invalid user helen from 62.234.206.12 port 49280 ssh2
...

Automatic report - Banned IP Access

19/9/20@04:31:27: FAIL: Alarm-Intrusion address from=77.74.196.3
...

\[2019-09-20 10:02:01\] NOTICE\[18654\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '145.239.0.72:58719' \(callid: 565353943-1156003181-109101563\) - Failed to authenticate
\[2019-09-20 10:02:01\] SECURITY\[1715\] res_security_log.c: SecurityEvent="ChallengeResponseFailed",EventTV="2019-09-20T10:02:01.804+0200",Severity="Error",Service="PJSIP",EventVersion="1",AccountID="\",SessionID="565353943-1156003181-109101563",LocalAddress="IPV4/UDP/188.40.118.248/5060",RemoteAddress="IPV4/UDP/145.239.0.72/58719",Challenge="1568966521/440db8c71a99b7d968b84654a6f36c28",Response="d9166415d33a177bcf43fb07661d6770",ExpectedResponse=""
\[2019-09-20 10:02:01\] NOTICE\[9368\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '145.239.0.72:58719' \(callid: 565353943-1156003181-109101563\) - Failed to authenticate
\[2019-09-20 10:02:01\] SECURITY\[1715\] res_security_log.c: SecurityEvent="ChallengeResponseFail

Invalid user wk from 104.248.242.125 port 45748

Sep 19 20:01:25 sachi sshd\[25421\]: Invalid user support1 from 151.80.36.188
Sep 19 20:01:25 sachi sshd\[25421\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ns3006809.ip-151-80-36.eu
Sep 19 20:01:27 sachi sshd\[25421\]: Failed password for invalid user support1 from 151.80.36.188 port 51034 ssh2
Sep 19 20:06:09 sachi sshd\[25841\]: Invalid user czpl from 151.80.36.188
Sep 19 20:06:09 sachi sshd\[25841\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ns3006809.ip-151-80-36.eu

Fail2Ban Ban Triggered

Sep 20 02:59:16 vmd17057 sshd\[475\]: Invalid user ux from 134.175.0.75 port 53120
Sep 20 02:59:16 vmd17057 sshd\[475\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.175.0.75
Sep 20 02:59:17 vmd17057 sshd\[475\]: Failed password for invalid user ux from 134.175.0.75 port 53120 ssh2
...

Sep 20 02:04:46 game-panel sshd[20122]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=195.123.246.50
Sep 20 02:04:48 game-panel sshd[20122]: Failed password for invalid user Samuli from 195.123.246.50 port 41636 ssh2
Sep 20 02:09:15 game-panel sshd[20394]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=195.123.246.50