2020-09-26T16:18:59.278956abusebot-8.cloudsearch.cf sshd[3873]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=61-221-64-4.hinet-ip.hinet.net  user=root
2020-09-26T16:19:00.988379abusebot-8.cloudsearch.cf sshd[3873]: Failed password for root from 61.221.64.4 port 35862 ssh2
2020-09-26T16:21:48.304639abusebot-8.cloudsearch.cf sshd[3877]: Invalid user sms from 61.221.64.4 port 51652
2020-09-26T16:21:48.312844abusebot-8.cloudsearch.cf sshd[3877]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=61-221-64-4.hinet-ip.hinet.net
2020-09-26T16:21:48.304639abusebot-8.cloudsearch.cf sshd[3877]: Invalid user sms from 61.221.64.4 port 51652
2020-09-26T16:21:50.555479abusebot-8.cloudsearch.cf sshd[3877]: Failed password for invalid user sms from 61.221.64.4 port 51652 ssh2
2020-09-26T16:24:31.019128abusebot-8.cloudsearch.cf sshd[3886]: Invalid user st from 61.221.64.4 port 39224
...

Sep 26 06:02:08 root sshd[28877]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=61-221-64-4.hinet-ip.hinet.net  user=root
Sep 26 06:02:11 root sshd[28877]: Failed password for root from 61.221.64.4 port 47106 ssh2
...

bruteforce detected

"Unauthorized connection attempt on SSHD detected"

Multiple SSH authentication failures from 61.221.64.4

Multiple SSH authentication failures from 61.221.64.4

SSH Invalid Login

Aug 21 07:40:47 cosmoit sshd[15742]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.221.64.4

Aug 13 00:05:11 jane sshd[4677]: Failed password for root from 61.221.64.4 port 52036 ssh2
...

2020-07-29 14:49:34,210 fail2ban.actions        [18606]: NOTICE  [sshd] Ban 61.221.64.6
2020-07-29 15:07:33,230 fail2ban.actions        [18606]: NOTICE  [sshd] Ban 61.221.64.6
2020-07-29 15:25:40,460 fail2ban.actions        [18606]: NOTICE  [sshd] Ban 61.221.64.6
2020-07-29 15:43:46,552 fail2ban.actions        [18606]: NOTICE  [sshd] Ban 61.221.64.6
2020-07-29 16:02:01,633 fail2ban.actions        [18606]: NOTICE  [sshd] Ban 61.221.64.6
...

Sep  4 05:27:23 pve1 sshd[1634]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.221.64.6 
Sep  4 05:27:25 pve1 sshd[1634]: Failed password for invalid user ares from 61.221.64.6 port 55776 ssh2
...

Sep  3 18:46:41 serwer sshd\[28898\]: Invalid user mukti from 61.221.64.6 port 33478
Sep  3 18:46:41 serwer sshd\[28898\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.221.64.6
Sep  3 18:46:44 serwer sshd\[28898\]: Failed password for invalid user mukti from 61.221.64.6 port 33478 ssh2
...

Aug 26 14:31:16 ns382633 sshd\[21336\]: Invalid user teamspeak3 from 61.221.64.5 port 41062
Aug 26 14:31:16 ns382633 sshd\[21336\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.221.64.5
Aug 26 14:31:18 ns382633 sshd\[21336\]: Failed password for invalid user teamspeak3 from 61.221.64.5 port 41062 ssh2
Aug 26 14:32:35 ns382633 sshd\[21491\]: Invalid user wzk from 61.221.64.5 port 53538
Aug 26 14:32:35 ns382633 sshd\[21491\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.221.64.5

Aug 19 06:44:41 localhost sshd[1007826]: Invalid user wangyi from 61.221.64.6 port 37150
...

Aug 18 14:16:21 Ubuntu-1404-trusty-64-minimal sshd\[10359\]: Invalid user wms from 61.221.64.5
Aug 18 14:16:21 Ubuntu-1404-trusty-64-minimal sshd\[10359\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.221.64.5
Aug 18 14:16:23 Ubuntu-1404-trusty-64-minimal sshd\[10359\]: Failed password for invalid user wms from 61.221.64.5 port 39650 ssh2
Aug 18 14:31:58 Ubuntu-1404-trusty-64-minimal sshd\[26492\]: Invalid user migrate from 61.221.64.5
Aug 18 14:31:58 Ubuntu-1404-trusty-64-minimal sshd\[26492\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.221.64.5

Aug 13 05:13:25 webhost01 sshd[26841]: Failed password for root from 61.221.64.6 port 51786 ssh2
...

Jul 28 13:11:37 plex-server sshd[855350]: Invalid user yangpengfei from 61.221.64.6 port 44480
Jul 28 13:11:37 plex-server sshd[855350]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.221.64.6 
Jul 28 13:11:37 plex-server sshd[855350]: Invalid user yangpengfei from 61.221.64.6 port 44480
Jul 28 13:11:39 plex-server sshd[855350]: Failed password for invalid user yangpengfei from 61.221.64.6 port 44480 ssh2
Jul 28 13:16:12 plex-server sshd[857814]: Invalid user documedias from 61.221.64.6 port 58674
...

Fail2Ban - SSH Bruteforce Attempt

Jul 21 03:50:30 our-server-hostname sshd[6216]: Invalid user aa from 61.221.64.6
Jul 21 03:50:30 our-server-hostname sshd[6216]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=61-221-64-6.hinet-ip.hinet.net 
Jul 21 03:50:32 our-server-hostname sshd[6216]: Failed password for invalid user aa from 61.221.64.6 port 48532 ssh2
Jul 21 04:05:03 our-server-hostname sshd[8324]: Invalid user millard from 61.221.64.6
Jul 21 04:05:03 our-server-hostname sshd[8324]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=61-221-64-6.hinet-ip.hinet.net 
Jul 21 04:05:04 our-server-hostname sshd[8324]: Failed password for invalid user millard from 61.221.64.6 port 48784 ssh2
Jul 21 04:09:31 our-server-hostname sshd[9019]: Invalid user uos from 61.221.64.6
Jul 21 04:09:31 our-server-hostname sshd[9019]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=61-221-64-6.hinet-ip.hin........
-------------------------------

2020-07-20T01:33:02.561794amanda2.illicoweb.com sshd\[14579\]: Invalid user song from 61.221.64.6 port 56524
2020-07-20T01:33:02.564641amanda2.illicoweb.com sshd\[14579\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=61-221-64-6.hinet-ip.hinet.net
2020-07-20T01:33:04.672850amanda2.illicoweb.com sshd\[14579\]: Failed password for invalid user song from 61.221.64.6 port 56524 ssh2
2020-07-20T01:37:21.117703amanda2.illicoweb.com sshd\[14779\]: Invalid user admin from 61.221.64.6 port 44916
2020-07-20T01:37:21.120362amanda2.illicoweb.com sshd\[14779\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=61-221-64-6.hinet-ip.hinet.net
...

Telnet/23 MH Probe, BF, Hack -

Unauthorized connection attempt from IP address 196.218.180.89 on Port 445(SMB)

Dec  5 17:32:19 sd-53420 sshd\[17957\]: Invalid user yd from 162.246.107.56
Dec  5 17:32:19 sd-53420 sshd\[17957\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=162.246.107.56
Dec  5 17:32:21 sd-53420 sshd\[17957\]: Failed password for invalid user yd from 162.246.107.56 port 36938 ssh2
Dec  5 17:38:48 sd-53420 sshd\[19034\]: User root from 162.246.107.56 not allowed because none of user's groups are listed in AllowGroups
Dec  5 17:38:48 sd-53420 sshd\[19034\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=162.246.107.56  user=root
...

2019-12-05T17:16:47.930167shield sshd\[19309\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=36.92.95.10  user=root
2019-12-05T17:16:49.699905shield sshd\[19309\]: Failed password for root from 36.92.95.10 port 50084 ssh2
2019-12-05T17:24:28.024239shield sshd\[21016\]: Invalid user colleter from 36.92.95.10 port 50894
2019-12-05T17:24:28.028505shield sshd\[21016\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=36.92.95.10
2019-12-05T17:24:29.752591shield sshd\[21016\]: Failed password for invalid user colleter from 36.92.95.10 port 50894 ssh2

Dec  5 17:52:03 server sshd\[27137\]: Invalid user abbasciano from 194.62.55.25
Dec  5 17:52:03 server sshd\[27137\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=194.62.55.25 
Dec  5 17:52:05 server sshd\[27137\]: Failed password for invalid user abbasciano from 194.62.55.25 port 49768 ssh2
Dec  5 18:02:21 server sshd\[29881\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=194.62.55.25  user=root
Dec  5 18:02:24 server sshd\[29881\]: Failed password for root from 194.62.55.25 port 45782 ssh2
...

Dec  5 16:59:56 sd-53420 sshd\[11950\]: Invalid user guest from 220.135.48.40
Dec  5 16:59:56 sd-53420 sshd\[11950\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=220.135.48.40
Dec  5 16:59:58 sd-53420 sshd\[11950\]: Failed password for invalid user guest from 220.135.48.40 port 57954 ssh2
Dec  5 17:07:28 sd-53420 sshd\[13469\]: User root from 220.135.48.40 not allowed because none of user's groups are listed in AllowGroups
Dec  5 17:07:28 sd-53420 sshd\[13469\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=220.135.48.40  user=root
...

Dec  5 07:06:36 auw2 sshd\[21328\]: Invalid user buradrc from 198.199.124.109
Dec  5 07:06:36 auw2 sshd\[21328\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=198.199.124.109
Dec  5 07:06:38 auw2 sshd\[21328\]: Failed password for invalid user buradrc from 198.199.124.109 port 47505 ssh2
Dec  5 07:15:53 auw2 sshd\[22303\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=198.199.124.109  user=root
Dec  5 07:15:54 auw2 sshd\[22303\]: Failed password for root from 198.199.124.109 port 53203 ssh2

Dec  5 07:18:31 hpm sshd\[23340\]: Invalid user doemer from 188.132.168.2
Dec  5 07:18:31 hpm sshd\[23340\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=static-2-168-132-188.sadecehosting.net
Dec  5 07:18:34 hpm sshd\[23340\]: Failed password for invalid user doemer from 188.132.168.2 port 34830 ssh2
Dec  5 07:26:08 hpm sshd\[24064\]: Invalid user sasha from 188.132.168.2
Dec  5 07:26:08 hpm sshd\[24064\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=static-2-168-132-188.sadecehosting.net

" "

Dec  5 17:34:04 v22018076622670303 sshd\[30991\]: Invalid user lll from 219.129.32.1 port 23214
Dec  5 17:34:04 v22018076622670303 sshd\[30991\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=219.129.32.1
Dec  5 17:34:06 v22018076622670303 sshd\[30991\]: Failed password for invalid user lll from 219.129.32.1 port 23214 ssh2
...

Too many connections or unauthorized access detected from Arctic banned ip

Dec  5 17:09:17 grey postfix/smtpd\[22086\]: NOQUEUE: reject: RCPT from sudden.shrewdmhealth.com\[81.28.100.131\]: 554 5.7.1 Service unavailable\; Client host \[81.28.100.131\] blocked using truncate.gbudb.net\; http://www.gbudb.com/truncate/ \[81.28.100.131\]\; from=\ to=\ proto=ESMTP helo=\Dec  5 17:09:17 grey postfix/smtpd\[12433\]: NOQUEUE: reject: RCPT from sudden.shrewdmhealth.com\[81.28.100.131\]: 554 5.7.1 Service unavailable\; Client host \[81.28.100.131\] blocked using truncate.gbudb.net\; http://www.gbudb.com/truncate/ \[81.28.100.131\]\; from=\ to=\ proto=ESMTP helo=\Dec  5 17:09:17 grey postfix/smtpd\[23508\]: NOQUEUE: reject: RCPT from sudden.shrewdmhealth.com\[81.28.100.131\]: 554 5.7.1 Service unavailable\; Client host \[81.28.100.131\] blocked using truncate.gbudb.net\; http://www.gbudb.com/truncate/ \[81.28.100.131\]\; 
...

Dec  5 18:12:56 eventyay sshd[11045]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.7.127.92
Dec  5 18:12:58 eventyay sshd[11045]: Failed password for invalid user pcap from 121.7.127.92 port 33760 ssh2
Dec  5 18:20:03 eventyay sshd[11211]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.7.127.92
...

Dec  5 18:29:43 fr01 sshd[28501]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.168  user=root
Dec  5 18:29:45 fr01 sshd[28501]: Failed password for root from 218.92.0.168 port 11926 ssh2
...

Portscan detected

Dec  5 16:14:12 srv01 sshd[14273]: Invalid user Essi from 65.115.185.114 port 48966
Dec  5 16:14:12 srv01 sshd[14273]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=65.115.185.114
Dec  5 16:14:12 srv01 sshd[14273]: Invalid user Essi from 65.115.185.114 port 48966
Dec  5 16:14:14 srv01 sshd[14273]: Failed password for invalid user Essi from 65.115.185.114 port 48966 ssh2
Dec  5 16:20:00 srv01 sshd[14707]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=65.115.185.114  user=root
Dec  5 16:20:02 srv01 sshd[14707]: Failed password for root from 65.115.185.114 port 59936 ssh2
...