sshd jail - ssh hack attempt

Lines containing failures of 149.56.102.43
May 31 19:35:00 kmh-vmh-002-fsn07 sshd[974]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=149.56.102.43  user=r.r
May 31 19:35:02 kmh-vmh-002-fsn07 sshd[974]: Failed password for r.r from 149.56.102.43 port 38170 ssh2
May 31 19:35:03 kmh-vmh-002-fsn07 sshd[974]: Received disconnect from 149.56.102.43 port 38170:11: Bye Bye [preauth]
May 31 19:35:03 kmh-vmh-002-fsn07 sshd[974]: Disconnected from authenticating user r.r 149.56.102.43 port 38170 [preauth]
May 31 19:40:02 kmh-vmh-002-fsn07 sshd[9163]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=149.56.102.43  user=r.r
May 31 19:40:04 kmh-vmh-002-fsn07 sshd[9163]: Failed password for r.r from 149.56.102.43 port 53264 ssh2
May 31 19:40:05 kmh-vmh-002-fsn07 sshd[9163]: Received disconnect from 149.56.102.43 port 53264:11: Bye Bye [preauth]
May 31 19:40:05 kmh-vmh-002-fsn07 sshd[9163]: Disconnected fr........
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1342. On May 31 2020 experienced a Brute Force SSH login attempt -> 2 unique times by 77.81.121.128.

2020-05-3122:21:151jfUSG-0005m0-5T\<=info@whatsup2013.chH=\(localhost\)[123.21.250.86]:1341P=esmtpsaX=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:info@whatsup2013.chS=3010id=8d0fecbfb49f4a46612492c135f278744716e7e0@whatsup2013.chT="tokraiglumley420"forkraiglumley420@gmail.comarthurusstock2001@yahoo.comkc413906@gmail.com2020-05-3122:21:361jfUSd-0005pA-1V\<=info@whatsup2013.chH=\(localhost\)[123.20.185.185]:59805P=esmtpsaX=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:info@whatsup2013.chS=3037id=821ea8fbf0dbf1f96560d67a9de9c3df7703b4@whatsup2013.chT="toheronemus19"forheronemus19@gmail.comddixonpres@outlook.comgodwinagaba33@gmail.com2020-05-3122:20:281jfURU-0005gY-Fv\<=info@whatsup2013.chH=\(localhost\)[123.16.193.41]:50307P=esmtpsaX=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:info@whatsup2013.chS=3016id=05ac44171c37e2eec98c3a699d5ad0dcefddb3fc@whatsup2013.chT="tosiaslina422"forsiaslina422@gmail.commatthewjones.15@gmail.commoncef38annaba@gmail.com2020-05-3122:22:4

SSH brute force attempt

Jun  1 01:25:07 abendstille sshd\[16976\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.167  user=root
Jun  1 01:25:07 abendstille sshd\[16978\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.167  user=root
Jun  1 01:25:09 abendstille sshd\[16976\]: Failed password for root from 222.186.175.167 port 17814 ssh2
Jun  1 01:25:09 abendstille sshd\[16978\]: Failed password for root from 222.186.175.167 port 49214 ssh2
Jun  1 01:25:13 abendstille sshd\[16976\]: Failed password for root from 222.186.175.167 port 17814 ssh2
...

May 31 23:52:33 journals sshd\[62513\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=95.181.48.10  user=root
May 31 23:52:35 journals sshd\[62513\]: Failed password for root from 95.181.48.10 port 44964 ssh2
May 31 23:56:20 journals sshd\[62964\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=95.181.48.10  user=root
May 31 23:56:22 journals sshd\[62964\]: Failed password for root from 95.181.48.10 port 48400 ssh2
Jun  1 00:00:07 journals sshd\[63370\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=95.181.48.10  user=root
...

2020-05-31T17:37:46.2886391495-001 sshd[65512]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=ppp-static8-190.tis-dialog.ru  user=root
2020-05-31T17:37:48.0736071495-001 sshd[65512]: Failed password for root from 83.219.133.190 port 57166 ssh2
2020-05-31T17:41:12.6294931495-001 sshd[418]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=ppp-static8-190.tis-dialog.ru  user=root
2020-05-31T17:41:14.5060651495-001 sshd[418]: Failed password for root from 83.219.133.190 port 60988 ssh2
2020-05-31T17:44:30.4112091495-001 sshd[522]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=ppp-static8-190.tis-dialog.ru  user=root
2020-05-31T17:44:32.6586101495-001 sshd[522]: Failed password for root from 83.219.133.190 port 36574 ssh2
...

Jun  1 02:49:27 ift sshd\[48663\]: Failed password for root from 222.186.173.201 port 24346 ssh2Jun  1 02:49:30 ift sshd\[48663\]: Failed password for root from 222.186.173.201 port 24346 ssh2Jun  1 02:49:33 ift sshd\[48663\]: Failed password for root from 222.186.173.201 port 24346 ssh2Jun  1 02:49:36 ift sshd\[48663\]: Failed password for root from 222.186.173.201 port 24346 ssh2Jun  1 02:49:39 ift sshd\[48663\]: Failed password for root from 222.186.173.201 port 24346 ssh2
...

fail2ban -- 120.92.139.2
...

(imapd) Failed IMAP login from 61.91.164.142 (TH/Thailand/61-91-164-142.static.asianet.co.th): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: Jun  1 00:52:53 ir1 dovecot[2885757]: imap-login: Disconnected (auth failed, 1 attempts in 53 secs): user=, method=PLAIN, rip=61.91.164.142, lip=5.63.12.44, session=

2020-05-31T22:24:38.626907shield sshd\[28937\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.25.87.27  user=root
2020-05-31T22:24:40.451130shield sshd\[28937\]: Failed password for root from 118.25.87.27 port 39654 ssh2
2020-05-31T22:27:51.191082shield sshd\[29586\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.25.87.27  user=root
2020-05-31T22:27:53.175998shield sshd\[29586\]: Failed password for root from 118.25.87.27 port 47480 ssh2
2020-05-31T22:30:59.629173shield sshd\[30127\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.25.87.27  user=root

2020-05-31T22:04:41.256449abusebot-6.cloudsearch.cf sshd[14935]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.105.231  user=root
2020-05-31T22:04:43.421446abusebot-6.cloudsearch.cf sshd[14935]: Failed password for root from 106.13.105.231 port 37222 ssh2
2020-05-31T22:06:47.620408abusebot-6.cloudsearch.cf sshd[15070]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.105.231  user=root
2020-05-31T22:06:49.746309abusebot-6.cloudsearch.cf sshd[15070]: Failed password for root from 106.13.105.231 port 43942 ssh2
2020-05-31T22:08:51.137277abusebot-6.cloudsearch.cf sshd[15224]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.105.231  user=root
2020-05-31T22:08:53.619416abusebot-6.cloudsearch.cf sshd[15224]: Failed password for root from 106.13.105.231 port 50662 ssh2
2020-05-31T22:10:58.458395abusebot-6.cloudsearch.cf sshd[15368]: pam_unix(sshd:auth):
...

Jun  1 03:44:20 our-server-hostname sshd[25154]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.66.102  user=r.r
Jun  1 03:44:23 our-server-hostname sshd[25154]: Failed password for r.r from 128.199.66.102 port 39102 ssh2
Jun  1 03:57:32 our-server-hostname sshd[27755]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.66.102  user=r.r
Jun  1 03:57:35 our-server-hostname sshd[27755]: Failed password for r.r from 128.199.66.102 port 55824 ssh2
Jun  1 04:01:53 our-server-hostname sshd[28612]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.66.102  user=r.r
Jun  1 04:01:55 our-server-hostname sshd[28612]: Failed password for r.r from 128.199.66.102 port 60302 ssh2
Jun  1 04:06:12 our-server-hostname sshd[29547]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.66.102  user=r.r
Jun  1 04........
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CloudCIX Reconnaissance Scan Detected, PTR: li1630-172.members.linode.com.