Sep 20 18:35:34 ajax sshd[8693]: Failed password for root from 81.68.97.184 port 45508 ssh2

81.68.97.184 (CN/China/-), 6 distributed sshd attacks on account [root] in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_DISTATTACK; Logs: Sep 20 00:39:08 server4 sshd[29097]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.163.236  user=root
Sep 20 00:39:10 server4 sshd[29097]: Failed password for root from 106.13.163.236 port 44696 ssh2
Sep 20 00:39:10 server4 sshd[29040]: Failed password for root from 93.149.12.2 port 60092 ssh2
Sep 20 00:33:50 server4 sshd[26066]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.68.97.184  user=root
Sep 20 00:33:51 server4 sshd[26066]: Failed password for root from 81.68.97.184 port 52812 ssh2
Sep 20 00:33:13 server4 sshd[25425]: Failed password for root from 78.139.216.117 port 55360 ssh2

IP Addresses Blocked:

106.13.163.236 (CN/China/-)
93.149.12.2 (IT/Italy/-)

Sep 12 13:57:40 Ubuntu-1404-trusty-64-minimal sshd\[28733\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.68.97.184  user=root
Sep 12 13:57:42 Ubuntu-1404-trusty-64-minimal sshd\[28733\]: Failed password for root from 81.68.97.184 port 44008 ssh2
Sep 12 14:14:49 Ubuntu-1404-trusty-64-minimal sshd\[8443\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.68.97.184  user=root
Sep 12 14:14:51 Ubuntu-1404-trusty-64-minimal sshd\[8443\]: Failed password for root from 81.68.97.184 port 38584 ssh2
Sep 12 14:21:04 Ubuntu-1404-trusty-64-minimal sshd\[13759\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.68.97.184  user=root

Sep 13 12:37:19 dev0-dcde-rnet sshd[29235]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.68.97.184
Sep 13 12:37:21 dev0-dcde-rnet sshd[29235]: Failed password for invalid user admin from 81.68.97.184 port 35040 ssh2
Sep 13 12:55:39 dev0-dcde-rnet sshd[29552]: Failed password for root from 81.68.97.184 port 60280 ssh2

Sep  9 12:51:21 vm0 sshd[3589]: Failed password for root from 81.68.97.184 port 50198 ssh2
...

Jul 30 03:31:56 itv-usvr-01 sshd[1539]: Invalid user wzmao from 81.68.97.184
Jul 30 03:31:56 itv-usvr-01 sshd[1539]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.68.97.184
Jul 30 03:31:56 itv-usvr-01 sshd[1539]: Invalid user wzmao from 81.68.97.184
Jul 30 03:31:58 itv-usvr-01 sshd[1539]: Failed password for invalid user wzmao from 81.68.97.184 port 56296 ssh2
Jul 30 03:38:33 itv-usvr-01 sshd[1835]: Invalid user lms from 81.68.97.184

SSH Brute-Forcing (server1)

Invalid user ybz from 81.68.97.184 port 41730

Jul 23 19:27:40 rocket sshd[25628]: Failed password for admin from 81.68.97.184 port 32892 ssh2
Jul 23 19:32:41 rocket sshd[26480]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.68.97.184
...

Jul 14 18:06:37 raspberrypi sshd[24263]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.68.97.184 
Jul 14 18:06:39 raspberrypi sshd[24263]: Failed password for invalid user service from 81.68.97.184 port 53990 ssh2
...

2020-06-30T12:16:26.175465abusebot-6.cloudsearch.cf sshd[4075]: Invalid user deploy from 81.68.97.184 port 44522
2020-06-30T12:16:26.181640abusebot-6.cloudsearch.cf sshd[4075]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.68.97.184
2020-06-30T12:16:26.175465abusebot-6.cloudsearch.cf sshd[4075]: Invalid user deploy from 81.68.97.184 port 44522
2020-06-30T12:16:28.410568abusebot-6.cloudsearch.cf sshd[4075]: Failed password for invalid user deploy from 81.68.97.184 port 44522 ssh2
2020-06-30T12:25:13.106669abusebot-6.cloudsearch.cf sshd[4109]: Invalid user hduser from 81.68.97.184 port 47274
2020-06-30T12:25:13.112940abusebot-6.cloudsearch.cf sshd[4109]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.68.97.184
2020-06-30T12:25:13.106669abusebot-6.cloudsearch.cf sshd[4109]: Invalid user hduser from 81.68.97.184 port 47274
2020-06-30T12:25:15.356775abusebot-6.cloudsearch.cf sshd[4109]: Failed password 
...

Jun 26 18:57:22 v26 sshd[10194]: Invalid user panxiaoming from 81.68.97.184 port 41794
Jun 26 18:57:24 v26 sshd[10194]: Failed password for invalid user panxiaoming from 81.68.97.184 port 41794 ssh2
Jun 26 18:57:25 v26 sshd[10194]: Received disconnect from 81.68.97.184 port 41794:11: Bye Bye [preauth]
Jun 26 18:57:25 v26 sshd[10194]: Disconnected from 81.68.97.184 port 41794 [preauth]
Jun 26 19:02:18 v26 sshd[10417]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.68.97.184  user=r.r
Jun 26 19:02:20 v26 sshd[10417]: Failed password for r.r from 81.68.97.184 port 55498 ssh2
Jun 26 19:02:20 v26 sshd[10417]: Received disconnect from 81.68.97.184 port 55498:11: Bye Bye [preauth]
Jun 26 19:02:20 v26 sshd[10417]: Disconnected from 81.68.97.184 port 55498 [preauth]
Jun 26 19:05:00 v26 sshd[10556]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.68.97.184  user=r.r
Jun 26 19:05:02 v26 sshd[105........
-------------------------------

SSH invalid-user multiple login attempts

Jun 26 18:57:22 v26 sshd[10194]: Invalid user panxiaoming from 81.68.97.184 port 41794
Jun 26 18:57:24 v26 sshd[10194]: Failed password for invalid user panxiaoming from 81.68.97.184 port 41794 ssh2
Jun 26 18:57:25 v26 sshd[10194]: Received disconnect from 81.68.97.184 port 41794:11: Bye Bye [preauth]
Jun 26 18:57:25 v26 sshd[10194]: Disconnected from 81.68.97.184 port 41794 [preauth]
Jun 26 19:02:18 v26 sshd[10417]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.68.97.184  user=r.r
Jun 26 19:02:20 v26 sshd[10417]: Failed password for r.r from 81.68.97.184 port 55498 ssh2
Jun 26 19:02:20 v26 sshd[10417]: Received disconnect from 81.68.97.184 port 55498:11: Bye Bye [preauth]
Jun 26 19:02:20 v26 sshd[10417]: Disconnected from 81.68.97.184 port 55498 [preauth]
Jun 26 19:05:00 v26 sshd[10556]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.68.97.184  user=r.r
Jun 26 19:05:02 v26 sshd[105........
-------------------------------

Brute force SMTP login attempts.

Aug  2 22:10:38 mail sshd\[26040\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.204  user=root
Aug  2 22:10:41 mail sshd\[26040\]: Failed password for root from 218.92.0.204 port 30025 ssh2
Aug  2 22:10:42 mail sshd\[26040\]: Failed password for root from 218.92.0.204 port 30025 ssh2
Aug  2 22:10:44 mail sshd\[26040\]: Failed password for root from 218.92.0.204 port 30025 ssh2
Aug  2 22:11:59 mail sshd\[26117\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.204  user=root

Aug  2 22:49:25 www sshd\[8111\]: Invalid user lifan from 203.195.163.25Aug  2 22:49:27 www sshd\[8111\]: Failed password for invalid user lifan from 203.195.163.25 port 60126 ssh2Aug  2 22:51:47 www sshd\[8217\]: Invalid user helpdesk from 203.195.163.25
...

Portscan or hack attempt detected by psad/fwsnort

[portscan] Port scan

Aug  2 22:49:13 tuotantolaitos sshd[31556]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.87.9.155
Aug  2 22:49:15 tuotantolaitos sshd[31556]: Failed password for invalid user student from 212.87.9.155 port 50954 ssh2
...

Aug  2 21:30:29 mail postfix/smtpd\[3278\]: NOQUEUE: reject: RCPT from unknown\[200.82.254.126\]: 550 5.7.1 \: Recipient address rejected: Message rejected due to: domain owner discourages use of this host. Please see http://www.openspf.net/Why\?s=helo\;id=loriss.it\;ip=200.82.254.126\;r=t.nobbenhuis@nobbenhuis.nl\; from=\ to=\ proto=ESMTP helo=\\

$f2bV_matches_ltvn

Aug  2 22:30:26 * sshd[15708]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=152.136.95.118
Aug  2 22:30:27 * sshd[15708]: Failed password for invalid user kelvin from 152.136.95.118 port 60716 ssh2

Aug  2 22:46:07 yabzik sshd[16068]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.99.7.120
Aug  2 22:46:09 yabzik sshd[16068]: Failed password for invalid user ossama from 138.99.7.120 port 43532 ssh2
Aug  2 22:53:19 yabzik sshd[18227]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.99.7.120

Aug  2 21:28:25 microserver sshd[49604]: Invalid user dkhan from 220.130.221.140 port 57708
Aug  2 21:28:25 microserver sshd[49604]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=220.130.221.140
Aug  2 21:28:27 microserver sshd[49604]: Failed password for invalid user dkhan from 220.130.221.140 port 57708 ssh2
Aug  2 21:35:36 microserver sshd[51331]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=220.130.221.140  user=root
Aug  2 21:35:38 microserver sshd[51331]: Failed password for root from 220.130.221.140 port 34336 ssh2
Aug  2 21:49:47 microserver sshd[53941]: Invalid user azuracast from 220.130.221.140 port 37314
Aug  2 21:49:47 microserver sshd[53941]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=220.130.221.140
Aug  2 21:49:49 microserver sshd[53941]: Failed password for invalid user azuracast from 220.130.221.140 port 37314 ssh2
Aug  2 21:54:34 microserver sshd[54935]: Invalid

Aug  2 22:07:00 mail postfix/smtpd\[8520\]: warning: unknown\[185.137.111.5\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Aug  2 22:07:51 mail postfix/smtpd\[8625\]: warning: unknown\[185.137.111.5\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Aug  2 22:08:43 mail postfix/smtpd\[8681\]: warning: unknown\[185.137.111.5\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Aug  2 22:39:01 mail postfix/smtpd\[9811\]: warning: unknown\[185.137.111.5\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\

Aug  2 21:26:56 dev0-dcde-rnet sshd[9671]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=176.122.128.217
Aug  2 21:26:58 dev0-dcde-rnet sshd[9671]: Failed password for invalid user upload from 176.122.128.217 port 34656 ssh2
Aug  2 21:31:28 dev0-dcde-rnet sshd[9683]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=176.122.128.217

Aug  2 22:27:31 eventyay sshd[28794]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=211.95.58.148
Aug  2 22:27:33 eventyay sshd[28794]: Failed password for invalid user cm from 211.95.58.148 port 18351 ssh2
Aug  2 22:30:38 eventyay sshd[29530]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=211.95.58.148
...

1723/tcp 5000/tcp 554/tcp...
[2019-06-02/08-02]10pkt,9pt.(tcp)