Jul  4 08:12:46 mail sshd\[8727\]: Invalid user ftpuser from 68.183.81.243
Jul  4 08:12:46 mail sshd\[8727\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.81.243
...

Jul  4 02:07:37 vm0 sshd[30663]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.81.243
Jul  4 02:07:40 vm0 sshd[30663]: Failed password for invalid user ftp-user from 68.183.81.243 port 50888 ssh2
...

(sshd) Failed SSH login from 68.183.81.243 (IN/India/-): 2 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Jun 12 21:44:07 ubnt-55d23 sshd[15201]: Invalid user admin from 68.183.81.243 port 49824
Jun 12 21:44:09 ubnt-55d23 sshd[15201]: Failed password for invalid user admin from 68.183.81.243 port 49824 ssh2

Jun  6 16:12:41 mout sshd[20550]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.81.243  user=root
Jun  6 16:12:44 mout sshd[20550]: Failed password for root from 68.183.81.243 port 46926 ssh2

Jun  4 08:00:24 mout sshd[17012]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.81.243  user=root
Jun  4 08:00:26 mout sshd[17012]: Failed password for root from 68.183.81.243 port 32902 ssh2

Bruteforce detected by fail2ban

May 10 19:23:57 kapalua sshd\[25116\]: Invalid user superstar from 68.183.81.243
May 10 19:23:57 kapalua sshd\[25116\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.81.243
May 10 19:23:59 kapalua sshd\[25116\]: Failed password for invalid user superstar from 68.183.81.243 port 59802 ssh2
May 10 19:28:31 kapalua sshd\[25533\]: Invalid user martin from 68.183.81.243
May 10 19:28:31 kapalua sshd\[25533\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.81.243

May  9 02:51:41 server sshd[22346]: Failed password for invalid user fts from 68.183.81.243 port 50176 ssh2
May  9 02:52:49 server sshd[23062]: Failed password for root from 68.183.81.243 port 35334 ssh2
May  9 02:53:56 server sshd[23905]: Failed password for root from 68.183.81.243 port 48706 ssh2

2020-04-29T16:43:46.402523abusebot-6.cloudsearch.cf sshd[23343]: Invalid user zjy from 68.183.81.243 port 36346
2020-04-29T16:43:46.409990abusebot-6.cloudsearch.cf sshd[23343]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.81.243
2020-04-29T16:43:46.402523abusebot-6.cloudsearch.cf sshd[23343]: Invalid user zjy from 68.183.81.243 port 36346
2020-04-29T16:43:47.973991abusebot-6.cloudsearch.cf sshd[23343]: Failed password for invalid user zjy from 68.183.81.243 port 36346 ssh2
2020-04-29T16:47:45.676707abusebot-6.cloudsearch.cf sshd[23632]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.81.243  user=root
2020-04-29T16:47:48.053323abusebot-6.cloudsearch.cf sshd[23632]: Failed password for root from 68.183.81.243 port 57616 ssh2
2020-04-29T16:49:22.578337abusebot-6.cloudsearch.cf sshd[23715]: Invalid user nestor from 68.183.81.243 port 48268
...

2020-04-26T07:25:56.503030sorsha.thespaminator.com sshd[1607]: Invalid user chef from 68.183.81.243 port 41834
2020-04-26T07:25:58.784005sorsha.thespaminator.com sshd[1607]: Failed password for invalid user chef from 68.183.81.243 port 41834 ssh2
...

Invalid user postgres from 68.183.81.243 port 47430

5x Failed Password

5x Failed Password

Mar  6 03:08:37 rdssrv1 sshd[19366]: Invalid user butter from 68.183.81.16
Mar  6 03:08:39 rdssrv1 sshd[19366]: Failed password for invalid user butter from 68.183.81.16 port 52076 ssh2
Mar  6 04:07:57 rdssrv1 sshd[28236]: Invalid user butter from 68.183.81.16
Mar  6 04:07:59 rdssrv1 sshd[28236]: Failed password for invalid user butter from 68.183.81.16 port 48680 ssh2
Mar  6 06:16:09 rdssrv1 sshd[15745]: Invalid user butter from 68.183.81.16
Mar  6 06:16:11 rdssrv1 sshd[15745]: Failed password for invalid user butter from 68.183.81.16 port 42200 ssh2


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=68.183.81.16

Jan 12 14:01:52 h1637304 sshd[5641]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.81.146 
Jan 12 14:01:54 h1637304 sshd[5641]: Failed password for invalid user admin from 68.183.81.146 port 60629 ssh2
Jan 12 14:01:54 h1637304 sshd[5641]: Received disconnect from 68.183.81.146: 11: Bye Bye [preauth]
Jan 12 14:10:42 h1637304 sshd[15045]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.81.146  user=r.r
Jan 12 14:10:44 h1637304 sshd[15045]: Failed password for r.r from 68.183.81.146 port 51970 ssh2
Jan 12 14:10:44 h1637304 sshd[15045]: Received disconnect from 68.183.81.146: 11: Bye Bye [preauth]
Jan 12 14:13:40 h1637304 sshd[15158]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.81.146 
Jan 12 14:13:42 h1637304 sshd[15158]: Failed password for invalid user sartorius from 68.183.81.146 port 14449 ssh2
Jan 12 14:13:42 h1637304 sshd[........
-------------------------------

IP was detected trying to Brute-Force SSH, FTP, Web Apps, Port-Scan or Hacking.

\[Sun Dec 22 08:12:57.507165 2019\] \[access_compat:error\] \[pid 77787\] \[client 68.183.81.82:40014\] AH01797: client denied by server configuration: /usr/share/phpmyadmin/
\[Sun Dec 22 08:12:57.881849 2019\] \[access_compat:error\] \[pid 77473\] \[client 68.183.81.82:40094\] AH01797: client denied by server configuration: /usr/share/phpmyadmin/index.php
\[Sun Dec 22 08:22:05.730050 2019\] \[access_compat:error\] \[pid 78666\] \[client 68.183.81.82:45312\] AH01797: client denied by server configuration: /usr/share/phpmyadmin/
...

xmlrpc attack

Apr 19 21:24:13 our-server-hostname sshd[18886]: Invalid user kw from 134.175.91.198
Apr 19 21:24:13 our-server-hostname sshd[18886]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.175.91.198 
Apr 19 21:24:15 our-server-hostname sshd[18886]: Failed password for invalid user kw from 134.175.91.198 port 34058 ssh2
Apr 19 21:45:47 our-server-hostname sshd[24006]: Invalid user ghostname from 134.175.91.198
Apr 19 21:45:47 our-server-hostname sshd[24006]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.175.91.198 
Apr 19 21:45:50 our-server-hostname sshd[24006]: Failed password for invalid user ghostname from 134.175.91.198 port 48734 ssh2
Apr 19 21:51:53 our-server-hostname sshd[25562]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.175.91.198  user=r.r
Apr 19 21:51:55 our-server-hostname sshd[25562]: Failed password for r.r from 134.175.91.1........
-------------------------------

Apr 19 05:22:59 pixelmemory sshd[5277]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.236.130
Apr 19 05:23:01 pixelmemory sshd[5277]: Failed password for invalid user oracle from 122.51.236.130 port 13181 ssh2
Apr 19 05:32:57 pixelmemory sshd[7705]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.236.130
...

Apr 19 13:11:04 localhost sshd[58775]: Invalid user admin from 13.88.190.7 port 37540
Apr 19 13:11:04 localhost sshd[58775]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=13.88.190.7
Apr 19 13:11:04 localhost sshd[58775]: Invalid user admin from 13.88.190.7 port 37540
Apr 19 13:11:07 localhost sshd[58775]: Failed password for invalid user admin from 13.88.190.7 port 37540 ssh2
Apr 19 13:18:24 localhost sshd[59309]: Invalid user admin from 13.88.190.7 port 58750
...

[2020-04-19 11:26:17] NOTICE[1170] chan_sip.c: Registration from '"3003" ' failed for '103.145.12.41:6084' - Wrong password
[2020-04-19 11:26:17] SECURITY[1184] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-04-19T11:26:17.682-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="3003",SessionID="0x7f6c0817f3c8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/103.145.12.41/6084",Challenge="49bb6d58",ReceivedChallenge="49bb6d58",ReceivedHash="83b93849226133b8849d583e6b2398ce"
[2020-04-19 11:26:17] NOTICE[1170] chan_sip.c: Registration from '"3003" ' failed for '103.145.12.41:6084' - Wrong password
[2020-04-19 11:26:17] SECURITY[1184] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-04-19T11:26:17.793-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="3003",SessionID="0x7f6c08341c08",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/10
...

Unauthorised connection attempt detected at AUO MAIN. System is sshd. Protected by AUO Stack Web Application Firewall (WAF)

2020-04-19T14:19:19.552439amanda2.illicoweb.com sshd\[33239\]: Invalid user zabbix from 80.211.34.241 port 60260
2020-04-19T14:19:19.554864amanda2.illicoweb.com sshd\[33239\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.211.34.241
2020-04-19T14:19:21.371856amanda2.illicoweb.com sshd\[33239\]: Failed password for invalid user zabbix from 80.211.34.241 port 60260 ssh2
2020-04-19T14:24:05.842540amanda2.illicoweb.com sshd\[33391\]: Invalid user xw from 80.211.34.241 port 51588
2020-04-19T14:24:05.848676amanda2.illicoweb.com sshd\[33391\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.211.34.241
...

Unauthorized connection attempt from IP address 201.0.37.229 on Port 445(SMB)

Port scan on 1 port(s): 53

Apr 19 14:55:23 124388 sshd[31317]: Failed password for invalid user test from 220.102.43.235 port 10954 ssh2
Apr 19 14:58:33 124388 sshd[31462]: Invalid user test from 220.102.43.235 port 10414
Apr 19 14:58:33 124388 sshd[31462]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=220.102.43.235
Apr 19 14:58:33 124388 sshd[31462]: Invalid user test from 220.102.43.235 port 10414
Apr 19 14:58:35 124388 sshd[31462]: Failed password for invalid user test from 220.102.43.235 port 10414 ssh2

Apr 19 12:14:55 game-panel sshd[14268]: Failed password for root from 14.29.192.160 port 45333 ssh2
Apr 19 12:19:07 game-panel sshd[14447]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=14.29.192.160
Apr 19 12:19:09 game-panel sshd[14447]: Failed password for invalid user admin from 14.29.192.160 port 38380 ssh2

bruteforce detected

2020-04-19T12:07:12.081118abusebot-4.cloudsearch.cf sshd[8313]: Invalid user eb from 190.103.202.7 port 38424
2020-04-19T12:07:12.087356abusebot-4.cloudsearch.cf sshd[8313]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.103.202.7
2020-04-19T12:07:12.081118abusebot-4.cloudsearch.cf sshd[8313]: Invalid user eb from 190.103.202.7 port 38424
2020-04-19T12:07:14.100196abusebot-4.cloudsearch.cf sshd[8313]: Failed password for invalid user eb from 190.103.202.7 port 38424 ssh2
2020-04-19T12:13:30.280519abusebot-4.cloudsearch.cf sshd[8729]: Invalid user testaccount from 190.103.202.7 port 56298
2020-04-19T12:13:30.287341abusebot-4.cloudsearch.cf sshd[8729]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.103.202.7
2020-04-19T12:13:30.280519abusebot-4.cloudsearch.cf sshd[8729]: Invalid user testaccount from 190.103.202.7 port 56298
2020-04-19T12:13:31.858745abusebot-4.cloudsearch.cf sshd[8729]: Failed pass
...

prod11
...

Apr 19 09:02:34 vps46666688 sshd[3619]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.175.188.204
Apr 19 09:02:35 vps46666688 sshd[3619]: Failed password for invalid user admin1 from 134.175.188.204 port 37450 ssh2
...

sshd jail - ssh hack attempt