2019-09-24T07:19:59.843825tmaserv sshd\[19294\]: Invalid user nexus from 203.81.99.194 port 48548
2019-09-24T07:19:59.848400tmaserv sshd\[19294\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=203.81.99.194
2019-09-24T07:20:02.325565tmaserv sshd\[19294\]: Failed password for invalid user nexus from 203.81.99.194 port 48548 ssh2
2019-09-24T07:26:05.705432tmaserv sshd\[19832\]: Invalid user alimov from 203.81.99.194 port 32942
2019-09-24T07:26:05.709880tmaserv sshd\[19832\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=203.81.99.194
2019-09-24T07:26:07.429863tmaserv sshd\[19832\]: Failed password for invalid user alimov from 203.81.99.194 port 32942 ssh2
...

Sep 24 05:59:12 lnxmail61 sshd[3190]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.88.164.159
Sep 24 05:59:14 lnxmail61 sshd[3190]: Failed password for invalid user cn_admin from 218.88.164.159 port 58742 ssh2
Sep 24 05:59:16 lnxmail61 sshd[3197]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.88.164.159

Sep 24 05:52:05 klukluk sshd\[26418\]: Invalid user oracle from 51.254.199.97
Sep 24 05:55:23 klukluk sshd\[28335\]: Invalid user nagios from 51.254.199.97
Sep 24 05:58:36 klukluk sshd\[30433\]: Invalid user postgres from 51.254.199.97
...

SSH invalid-user multiple login try

Sep 24 02:41:19 server sshd[14193]: Failed password for invalid user flaparts from 37.59.53.22 port 60598 ssh2
Sep 24 02:47:22 server sshd[14778]: Failed password for root from 37.59.53.22 port 37602 ssh2
Sep 24 02:52:08 server sshd[15278]: Failed password for invalid user marius from 37.59.53.22 port 50228 ssh2

Sep 24 05:49:35 root sshd[26433]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=177.37.77.64 
Sep 24 05:49:38 root sshd[26433]: Failed password for invalid user ubnt from 177.37.77.64 port 45186 ssh2
Sep 24 05:59:05 root sshd[26596]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=177.37.77.64 
...

Sep 23 17:54:31 hcbb sshd\[28072\]: Invalid user certificat from 103.60.126.65
Sep 23 17:54:31 hcbb sshd\[28072\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.60.126.65
Sep 23 17:54:34 hcbb sshd\[28072\]: Failed password for invalid user certificat from 103.60.126.65 port 50641 ssh2
Sep 23 17:59:15 hcbb sshd\[28451\]: Invalid user cisco from 103.60.126.65
Sep 23 17:59:15 hcbb sshd\[28451\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.60.126.65

Sep 24 04:04:34 sshgateway sshd\[6212\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.169  user=root
Sep 24 04:04:37 sshgateway sshd\[6212\]: Failed password for root from 222.186.175.169 port 31366 ssh2
Sep 24 04:04:52 sshgateway sshd\[6212\]: error: maximum authentication attempts exceeded for root from 222.186.175.169 port 31366 ssh2 \[preauth\]

Sep 24 03:33:31 vps647732 sshd[27757]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.254.205.6
Sep 24 03:33:33 vps647732 sshd[27757]: Failed password for invalid user test from 51.254.205.6 port 39460 ssh2
...

09/24/2019-06:11:02.861711 81.22.45.252 Protocol: 6 ET DROP Dshield Block Listed Source group 1

2019-09-23 22:58:29 H=(138-36-0-90.texnet.net.br) [138.36.0.90]:60845 I=[192.147.25.65]:25 sender verify fail for : all relevant MX records point to non-existent hosts
2019-09-23 22:58:29 H=(138-36-0-90.texnet.net.br) [138.36.0.90]:60845 I=[192.147.25.65]:25 F= rejected RCPT : Sender verify failed
2019-09-23 22:58:29 H=(138-36-0-90.texnet.net.br) [138.36.0.90]:60845 I=[192.147.25.65]:25 F= rejected RCPT : Sender verify failed
...

Sep 23 17:55:03 friendsofhawaii sshd\[23798\]: Invalid user newadmin from 43.243.128.213
Sep 23 17:55:03 friendsofhawaii sshd\[23798\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=43.243.128.213
Sep 23 17:55:05 friendsofhawaii sshd\[23798\]: Failed password for invalid user newadmin from 43.243.128.213 port 47337 ssh2
Sep 23 17:58:57 friendsofhawaii sshd\[24118\]: Invalid user my from 43.243.128.213
Sep 23 17:58:57 friendsofhawaii sshd\[24118\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=43.243.128.213

Sep 24 04:13:01 hcbbdb sshd\[509\]: Invalid user tester1 from 200.129.176.42
Sep 24 04:13:01 hcbbdb sshd\[509\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=wconf.gredes.ifto.edu.br
Sep 24 04:13:04 hcbbdb sshd\[509\]: Failed password for invalid user tester1 from 200.129.176.42 port 41434 ssh2
Sep 24 04:17:59 hcbbdb sshd\[1066\]: Invalid user jasmeet from 200.129.176.42
Sep 24 04:17:59 hcbbdb sshd\[1066\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=wconf.gredes.ifto.edu.br

2019-09-23T23:46:52.5627761495-001 sshd\[46169\]: Invalid user ibmadrc from 195.154.255.85 port 51576
2019-09-23T23:46:52.5699511495-001 sshd\[46169\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=195-154-255-85.rev.poneytelecom.eu
2019-09-23T23:46:54.3716441495-001 sshd\[46169\]: Failed password for invalid user ibmadrc from 195.154.255.85 port 51576 ssh2
2019-09-23T23:50:00.4424731495-001 sshd\[46432\]: Invalid user aaccf from 195.154.255.85 port 33616
2019-09-23T23:50:00.4516291495-001 sshd\[46432\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=195-154-255-85.rev.poneytelecom.eu
2019-09-23T23:50:02.6241711495-001 sshd\[46432\]: Failed password for invalid user aaccf from 195.154.255.85 port 33616 ssh2
...

09/24/2019-05:58:50.626082 184.30.210.217 Protocol: 6 SURICATA TLS invalid handshake message