Coordinated SSH brute-force attack from different IPs. pam_unix(sshd:auth): user=root

Oct  8 14:02:54 ip106 sshd[10749]: Failed password for root from 178.128.248.121 port 60728 ssh2
...

Oct  8 01:41:20 host1 sshd[1503436]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.128.248.121  user=root
Oct  8 01:41:22 host1 sshd[1503436]: Failed password for root from 178.128.248.121 port 53504 ssh2
...

Oct  7 23:17:58 host1 sshd[1492042]: Failed password for root from 178.128.248.121 port 53600 ssh2
Oct  7 23:27:09 host1 sshd[1492872]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.128.248.121  user=root
Oct  7 23:27:12 host1 sshd[1492872]: Failed password for root from 178.128.248.121 port 37836 ssh2
Oct  7 23:27:09 host1 sshd[1492872]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.128.248.121  user=root
Oct  7 23:27:12 host1 sshd[1492872]: Failed password for root from 178.128.248.121 port 37836 ssh2
...

2020-09-24T17:59:37.045803centos sshd[10302]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.128.248.121
2020-09-24T17:59:37.037159centos sshd[10302]: Invalid user ftpuser from 178.128.248.121 port 43414
2020-09-24T17:59:38.800562centos sshd[10302]: Failed password for invalid user ftpuser from 178.128.248.121 port 43414 ssh2
...

Sep 24 11:45:36 cho sshd[3575468]: Invalid user tommy from 178.128.248.121 port 41248
Sep 24 11:45:36 cho sshd[3575468]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.128.248.121 
Sep 24 11:45:36 cho sshd[3575468]: Invalid user tommy from 178.128.248.121 port 41248
Sep 24 11:45:37 cho sshd[3575468]: Failed password for invalid user tommy from 178.128.248.121 port 41248 ssh2
Sep 24 11:49:05 cho sshd[3575608]: Invalid user leonard from 178.128.248.121 port 50492
...

Sep  5 13:38:39 ip-172-31-16-56 sshd\[18726\]: Failed password for root from 178.128.248.121 port 56326 ssh2\
Sep  5 13:41:50 ip-172-31-16-56 sshd\[18859\]: Invalid user test1 from 178.128.248.121\
Sep  5 13:41:53 ip-172-31-16-56 sshd\[18859\]: Failed password for invalid user test1 from 178.128.248.121 port 60868 ssh2\
Sep  5 13:45:11 ip-172-31-16-56 sshd\[18889\]: Invalid user vector from 178.128.248.121\
Sep  5 13:45:14 ip-172-31-16-56 sshd\[18889\]: Failed password for invalid user vector from 178.128.248.121 port 37320 ssh2\

2020-09-05T13:21:01.000568hostname sshd[97805]: Failed password for invalid user edmond from 178.128.248.121 port 60208 ssh2
...

SSH Invalid Login

Auto Fail2Ban report, multiple SSH login attempts.

"$f2bV_matches"

Aug 16 16:22:47 abendstille sshd\[9908\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.128.248.121  user=root
Aug 16 16:22:49 abendstille sshd\[9908\]: Failed password for root from 178.128.248.121 port 53566 ssh2
Aug 16 16:26:44 abendstille sshd\[14526\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.128.248.121  user=root
Aug 16 16:26:47 abendstille sshd\[14526\]: Failed password for root from 178.128.248.121 port 33882 ssh2
Aug 16 16:30:40 abendstille sshd\[18738\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.128.248.121  user=root
...

$f2bV_matches

2020-08-09T16:10:33.7612161495-001 sshd[43787]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.128.248.121  user=root
2020-08-09T16:10:35.2072081495-001 sshd[43787]: Failed password for root from 178.128.248.121 port 43684 ssh2
2020-08-09T16:13:49.4825571495-001 sshd[43975]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.128.248.121  user=root
2020-08-09T16:13:50.8380611495-001 sshd[43975]: Failed password for root from 178.128.248.121 port 53076 ssh2
2020-08-09T16:17:09.0923761495-001 sshd[44150]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.128.248.121  user=root
2020-08-09T16:17:10.9038071495-001 sshd[44150]: Failed password for root from 178.128.248.121 port 34232 ssh2
...

Aug  8 14:48:06 vps639187 sshd\[8125\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.128.248.121  user=root
Aug  8 14:48:08 vps639187 sshd\[8125\]: Failed password for root from 178.128.248.121 port 39720 ssh2
Aug  8 14:52:03 vps639187 sshd\[8200\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.128.248.121  user=root
...

@LucianNitescu Personal Honeypot Network <<<>>> Donate at paypal.me/LNitescu <<<>>> 2019-09-19 11:04:09,717 INFO [amun_request_handler] unknown vuln (Attacker: 51.91.212.81 Port: 587, Mess: ['\x16\x03\x01\x00u\x01\x00\x00q\x03\x03\x0e\xd6\xea \xd4\x17\x0f\xb0\x17q\x1aB\xba/\xebED\xb0\xdd:\xaaD\x8d@\xdb\xd0\xbf\x10m\xfc\xc0\xe9\x00\x00\x1a\xc0/\xc0 \xc0\x11\xc0\x07\xc0\x13\xc0\t\xc0\x14\xc0\n\x00\x05\x00/\x005\xc0\x12\x00\n\x01\x00\x00.\x00\x05\x00\x05\x01\x00\x00\x00\x00\x00\n\x00\x08\x00\x06\x00\x17\x00\x18\x00\x19\x00\x0b\x00\x02\x01\x00\x00\r\x00\n\x00\x08\x04\x01\x04\x03\x02\x01\x02\x03\xff\x01\x00\x01\x00\x15\x03\x01\x00\x02\x02\n'] (129) Stages: ['IMAIL_STAGE1'])

Sep 19 02:38:39 tdfoods sshd\[28636\]: Invalid user jts3bot from 189.234.65.221
Sep 19 02:38:39 tdfoods sshd\[28636\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=189.234.65.221
Sep 19 02:38:41 tdfoods sshd\[28636\]: Failed password for invalid user jts3bot from 189.234.65.221 port 36522 ssh2
Sep 19 02:48:00 tdfoods sshd\[29466\]: Invalid user jesse from 189.234.65.221
Sep 19 02:48:00 tdfoods sshd\[29466\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=189.234.65.221

Sep 19 14:16:35 ns37 sshd[22503]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.250.105.118

Sep 19 13:59:27 andromeda postfix/smtpd\[26115\]: warning: unknown\[103.89.90.196\]: SASL LOGIN authentication failed: authentication failure
Sep 19 13:59:28 andromeda postfix/smtpd\[26115\]: warning: unknown\[103.89.90.196\]: SASL LOGIN authentication failed: authentication failure
Sep 19 13:59:30 andromeda postfix/smtpd\[26115\]: warning: unknown\[103.89.90.196\]: SASL LOGIN authentication failed: authentication failure
Sep 19 13:59:31 andromeda postfix/smtpd\[26115\]: warning: unknown\[103.89.90.196\]: SASL LOGIN authentication failed: authentication failure
Sep 19 13:59:32 andromeda postfix/smtpd\[26115\]: warning: unknown\[103.89.90.196\]: SASL LOGIN authentication failed: authentication failure

Automatic report - Banned IP Access

Sep 19 13:45:49 nginx sshd[45007]: Connection from 116.203.218.159 port 39588 on 10.23.102.80 port 22
Sep 19 13:45:49 nginx sshd[45007]: Received disconnect from 116.203.218.159 port 39588:11: Normal Shutdown, Thank you for playing [preauth]

Mr Barrister Hans Erich
	RE:PERSONAL LETTER F­ROM MRS RASHIA AMIRA­ !!!
(unknown [167.99.71.181])

Attempt to attack host OS, exploiting network vulnerabilities, on 19-09-2019 13:49:13.

Invalid user aral from 106.75.103.35 port 42534

2019-09-19T11:55:01.636192+01:00 suse sshd[19612]: User root from 37.114.168.100 not allowed because not listed in AllowUsers
2019-09-19T11:55:04.244300+01:00 suse sshd[19612]: error: PAM: Authentication failure for illegal user root from 37.114.168.100
2019-09-19T11:55:01.636192+01:00 suse sshd[19612]: User root from 37.114.168.100 not allowed because not listed in AllowUsers
2019-09-19T11:55:04.244300+01:00 suse sshd[19612]: error: PAM: Authentication failure for illegal user root from 37.114.168.100
2019-09-19T11:55:01.636192+01:00 suse sshd[19612]: User root from 37.114.168.100 not allowed because not listed in AllowUsers
2019-09-19T11:55:04.244300+01:00 suse sshd[19612]: error: PAM: Authentication failure for illegal user root from 37.114.168.100
2019-09-19T11:55:04.248724+01:00 suse sshd[19612]: Failed keyboard-interactive/pam for invalid user root from 37.114.168.100 port 60024 ssh2
...

Sep 19 02:18:13 sachi sshd\[18811\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.99.48.123  user=nobody
Sep 19 02:18:15 sachi sshd\[18811\]: Failed password for nobody from 167.99.48.123 port 39984 ssh2
Sep 19 02:21:55 sachi sshd\[19119\]: Invalid user user from 167.99.48.123
Sep 19 02:21:55 sachi sshd\[19119\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.99.48.123
Sep 19 02:21:57 sachi sshd\[19119\]: Failed password for invalid user user from 167.99.48.123 port 52212 ssh2

Sep 19 13:50:59 SilenceServices sshd[2326]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=177.69.237.53
Sep 19 13:51:02 SilenceServices sshd[2326]: Failed password for invalid user temptation from 177.69.237.53 port 43410 ssh2
Sep 19 13:56:17 SilenceServices sshd[4267]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=177.69.237.53

2019-09-19T11:55:34.193703+01:00 suse sshd[19727]: Invalid user admin from 168.253.114.231 port 60096
2019-09-19T11:55:37.549493+01:00 suse sshd[19727]: error: PAM: User not known to the underlying authentication module for illegal user admin from 168.253.114.231
2019-09-19T11:55:34.193703+01:00 suse sshd[19727]: Invalid user admin from 168.253.114.231 port 60096
2019-09-19T11:55:37.549493+01:00 suse sshd[19727]: error: PAM: User not known to the underlying authentication module for illegal user admin from 168.253.114.231
2019-09-19T11:55:34.193703+01:00 suse sshd[19727]: Invalid user admin from 168.253.114.231 port 60096
2019-09-19T11:55:37.549493+01:00 suse sshd[19727]: error: PAM: User not known to the underlying authentication module for illegal user admin from 168.253.114.231
2019-09-19T11:55:37.550944+01:00 suse sshd[19727]: Failed keyboard-interactive/pam for invalid user admin from 168.253.114.231 port 60096 ssh2
...

Sep 19 13:50:08 rotator sshd\[11521\]: Invalid user musicbot from 112.170.72.170Sep 19 13:50:10 rotator sshd\[11521\]: Failed password for invalid user musicbot from 112.170.72.170 port 55866 ssh2Sep 19 13:54:50 rotator sshd\[12191\]: Invalid user adah from 112.170.72.170Sep 19 13:54:53 rotator sshd\[12191\]: Failed password for invalid user adah from 112.170.72.170 port 42378 ssh2Sep 19 13:59:21 rotator sshd\[12964\]: Invalid user http from 112.170.72.170Sep 19 13:59:23 rotator sshd\[12964\]: Failed password for invalid user http from 112.170.72.170 port 57080 ssh2
...

2019-09-19T10:55:41.977189abusebot-2.cloudsearch.cf sshd\[12080\]: Invalid user Administrator from 114.143.8.37 port 55553