Aug 29 07:05:02 server sshd\[19783\]: Invalid user qy from 68.183.102.174 port 51768
Aug 29 07:05:02 server sshd\[19783\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.102.174
Aug 29 07:05:05 server sshd\[19783\]: Failed password for invalid user qy from 68.183.102.174 port 51768 ssh2
Aug 29 07:08:39 server sshd\[9866\]: Invalid user e from 68.183.102.174 port 38814
Aug 29 07:08:39 server sshd\[9866\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.102.174

Aug 27 11:34:32 sachi sshd\[3111\]: Invalid user 09 from 68.183.102.174
Aug 27 11:34:32 sachi sshd\[3111\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.102.174
Aug 27 11:34:34 sachi sshd\[3111\]: Failed password for invalid user 09 from 68.183.102.174 port 56248 ssh2
Aug 27 11:38:23 sachi sshd\[3436\]: Invalid user alvin from 68.183.102.174
Aug 27 11:38:23 sachi sshd\[3436\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.102.174

Aug 17 09:17:57 php2 sshd\[11450\]: Invalid user maxreg from 68.183.102.174
Aug 17 09:17:57 php2 sshd\[11450\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.102.174
Aug 17 09:17:58 php2 sshd\[11450\]: Failed password for invalid user maxreg from 68.183.102.174 port 46958 ssh2
Aug 17 09:21:57 php2 sshd\[12367\]: Invalid user kon from 68.183.102.174
Aug 17 09:21:57 php2 sshd\[12367\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.102.174

Aug 15 01:37:36 dedicated sshd[25383]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.102.174  user=root
Aug 15 01:37:38 dedicated sshd[25383]: Failed password for root from 68.183.102.174 port 40812 ssh2

Aug 13 21:20:00 plex sshd[11738]: Invalid user git from 68.183.102.174 port 54112

Automated report - ssh fail2ban:
Aug 1 20:16:06 authentication failure 
Aug 1 20:16:08 wrong password, user=bernard, port=47600, ssh2
Aug 1 20:19:57 authentication failure

2019-07-26T00:45:39.134225enmeeting.mahidol.ac.th sshd\[27560\]: Invalid user www from 68.183.102.174 port 52872
2019-07-26T00:45:39.150554enmeeting.mahidol.ac.th sshd\[27560\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.102.174
2019-07-26T00:45:40.737339enmeeting.mahidol.ac.th sshd\[27560\]: Failed password for invalid user www from 68.183.102.174 port 52872 ssh2
...

2019-07-25T18:30:08.305407enmeeting.mahidol.ac.th sshd\[23739\]: Invalid user hb from 68.183.102.174 port 54426
2019-07-25T18:30:08.319300enmeeting.mahidol.ac.th sshd\[23739\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.102.174
2019-07-25T18:30:10.460345enmeeting.mahidol.ac.th sshd\[23739\]: Failed password for invalid user hb from 68.183.102.174 port 54426 ssh2
...

Jul 20 05:17:14 giegler sshd[4826]: Invalid user kelvin from 68.183.102.174 port 45654

Jul 20 00:24:45 giegler sshd[30150]: Invalid user ark from 68.183.102.174 port 57522

Jul 19 11:53:26 giegler sshd[13915]: Invalid user admin from 68.183.102.174 port 38994

Jul 18 16:54:58 areeb-Workstation sshd\[6368\]: Invalid user wendi from 68.183.102.174
Jul 18 16:54:58 areeb-Workstation sshd\[6368\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.102.174
Jul 18 16:55:00 areeb-Workstation sshd\[6368\]: Failed password for invalid user wendi from 68.183.102.174 port 60474 ssh2
...

Jul 18 00:03:51 minden010 sshd[13751]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.102.174
Jul 18 00:03:53 minden010 sshd[13751]: Failed password for invalid user libsys from 68.183.102.174 port 33260 ssh2
Jul 18 00:08:24 minden010 sshd[15770]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.102.174
...

Jul 17 01:16:45 ubuntu-2gb-nbg1-dc3-1 sshd[13540]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.102.174
Jul 17 01:16:47 ubuntu-2gb-nbg1-dc3-1 sshd[13540]: Failed password for invalid user test from 68.183.102.174 port 51614 ssh2
...

Invalid user blake from 68.183.102.174 port 40886
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.102.174
Failed password for invalid user blake from 68.183.102.174 port 40886 ssh2
Invalid user shark from 68.183.102.174 port 38614
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.102.174

Jul 15 02:45:55 mail sshd\[26887\]: Failed password for invalid user admin from 68.183.102.174 port 44774 ssh2
Jul 15 03:04:37 mail sshd\[27237\]: Invalid user nagios from 68.183.102.174 port 41476
Jul 15 03:04:37 mail sshd\[27237\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.102.174
...

Jun  1 14:25:00 localhost sshd[12911]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.102.111  user=root
Jun  1 14:25:02 localhost sshd[12911]: Failed password for root from 68.183.102.111 port 34504 ssh2
Jun  1 14:28:48 localhost sshd[13339]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.102.111  user=root
Jun  1 14:28:50 localhost sshd[13339]: Failed password for root from 68.183.102.111 port 39914 ssh2
Jun  1 14:32:36 localhost sshd[13760]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.102.111  user=root
Jun  1 14:32:37 localhost sshd[13760]: Failed password for root from 68.183.102.111 port 45328 ssh2
...

(sshd) Failed SSH login from 68.183.102.111 (US/United States/-): 5 in the last 3600 secs

$f2bV_matches

2020-05-15T01:02:10.059335shield sshd\[28088\]: Invalid user dalopsss from 68.183.102.111 port 44682
2020-05-15T01:02:10.065406shield sshd\[28088\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.102.111
2020-05-15T01:02:12.490347shield sshd\[28088\]: Failed password for invalid user dalopsss from 68.183.102.111 port 44682 ssh2
2020-05-15T01:05:28.631536shield sshd\[28887\]: Invalid user user0 from 68.183.102.111 port 52870
2020-05-15T01:05:28.640885shield sshd\[28887\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.102.111

May 14 14:28:45 ns381471 sshd[8940]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.102.111
May 14 14:28:47 ns381471 sshd[8940]: Failed password for invalid user argus from 68.183.102.111 port 54338 ssh2

Fail2Ban Ban Triggered

Invalid user office from 68.183.102.111 port 43218

May  4 20:00:23 ift sshd\[61819\]: Failed password for root from 68.183.102.111 port 45900 ssh2May  4 20:02:59 ift sshd\[61917\]: Invalid user vtu from 68.183.102.111May  4 20:03:01 ift sshd\[61917\]: Failed password for invalid user vtu from 68.183.102.111 port 38836 ssh2May  4 20:05:37 ift sshd\[62395\]: Invalid user hang from 68.183.102.111May  4 20:05:39 ift sshd\[62395\]: Failed password for invalid user hang from 68.183.102.111 port 59992 ssh2
...

Invalid user wpyan from 68.183.102.111 port 57206

$f2bV_matches

2020-04-06T01:03:21.501683shield sshd\[11640\]: Invalid user ubuntu from 68.183.102.246 port 57134
2020-04-06T01:03:21.505407shield sshd\[11640\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=bjcontrol.com.br
2020-04-06T01:03:23.959036shield sshd\[11640\]: Failed password for invalid user ubuntu from 68.183.102.246 port 57134 ssh2
2020-04-06T01:05:06.015899shield sshd\[12226\]: Invalid user sysadmin from 68.183.102.246 port 48902
2020-04-06T01:05:06.019362shield sshd\[12226\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=bjcontrol.com.br

...

Unauthorized connection attempt detected from IP address 68.183.102.117 to port 3306

Mar 28 04:26:30 ws22vmsma01 sshd[77409]: Failed password for root from 68.183.102.246 port 44268 ssh2
...

Mar 19 06:59:11 hosting180 sshd[3923]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=bjcontrol.com.br  user=root
Mar 19 06:59:14 hosting180 sshd[3923]: Failed password for root from 68.183.102.246 port 42036 ssh2
...

v+mailserver-auth-bruteforce

SSH brute-force: detected 8 distinct usernames within a 24-hour window.

Unauthorized connection attempt from IP address 95.172.61.50 on Port 445(SMB)

Unauthorized connection attempt from IP address 43.229.89.59 on Port 445(SMB)

Dec 18 21:49:54 server sshd\[3769\]: Invalid user use from 98.4.160.39
Dec 18 21:49:54 server sshd\[3769\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=98.4.160.39 
Dec 18 21:49:56 server sshd\[3769\]: Failed password for invalid user use from 98.4.160.39 port 45172 ssh2
Dec 18 22:01:59 server sshd\[7613\]: Invalid user temp from 98.4.160.39
Dec 18 22:01:59 server sshd\[7613\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=98.4.160.39 
...

Dec 18 20:32:11 MainVPS sshd[28926]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.59.58.142  user=root
Dec 18 20:32:13 MainVPS sshd[28926]: Failed password for root from 37.59.58.142 port 46170 ssh2
Dec 18 20:40:10 MainVPS sshd[12326]: Invalid user test from 37.59.58.142 port 37078
Dec 18 20:40:11 MainVPS sshd[12326]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.59.58.142
Dec 18 20:40:10 MainVPS sshd[12326]: Invalid user test from 37.59.58.142 port 37078
Dec 18 20:40:13 MainVPS sshd[12326]: Failed password for invalid user test from 37.59.58.142 port 37078 ssh2
...

Dec 18 18:29:38 eventyay sshd[11302]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.51.137.113
Dec 18 18:29:40 eventyay sshd[11302]: Failed password for invalid user QQQ123456 from 106.51.137.113 port 35444 ssh2
Dec 18 18:36:30 eventyay sshd[11501]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.51.137.113
...

Scanning random ports - tries to find possible vulnerable services

Unauthorized connection attempt from IP address 84.22.40.25 on Port 445(SMB)

Unauthorised access (Dec 18) SRC=14.98.219.10 LEN=52 TTL=110 ID=15814 DF TCP DPT=445 WINDOW=8192 SYN

Dec 18 14:59:58 XXX sshd[63198]: Invalid user backup from 106.12.179.81 port 54584

2019-12-18T22:07:20.910095stark.klein-stark.info sshd\[25588\]: Invalid user superuser from 165.231.33.66 port 47202
2019-12-18T22:07:20.918441stark.klein-stark.info sshd\[25588\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.231.33.66
2019-12-18T22:07:22.182566stark.klein-stark.info sshd\[25588\]: Failed password for invalid user superuser from 165.231.33.66 port 47202 ssh2
...

Dec 18 23:48:08 itv-usvr-01 sshd[28121]: Invalid user amount from 113.31.102.157
Dec 18 23:48:08 itv-usvr-01 sshd[28121]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=113.31.102.157
Dec 18 23:48:08 itv-usvr-01 sshd[28121]: Invalid user amount from 113.31.102.157
Dec 18 23:48:09 itv-usvr-01 sshd[28121]: Failed password for invalid user amount from 113.31.102.157 port 52342 ssh2
Dec 18 23:55:59 itv-usvr-01 sshd[28414]: Invalid user zabielski from 113.31.102.157

Invalid user workstation from 165.227.187.185 port 40384

2019-12-18T20:52:15.661523abusebot-7.cloudsearch.cf sshd\[18894\]: Invalid user ftpuser from 77.233.4.133 port 37734
2019-12-18T20:52:15.665559abusebot-7.cloudsearch.cf sshd\[18894\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=mail.nceco.ru
2019-12-18T20:52:18.026414abusebot-7.cloudsearch.cf sshd\[18894\]: Failed password for invalid user ftpuser from 77.233.4.133 port 37734 ssh2
2019-12-18T20:57:10.921065abusebot-7.cloudsearch.cf sshd\[18920\]: Invalid user kuhlow from 77.233.4.133 port 40079