Jun 29 08:19:48 master sshd[23620]: Failed password for invalid user admin from 128.123.82.192 port 48213 ssh2

SSH invalid-user multiple login try

\[2019-06-29 06:02:44\] NOTICE\[5148\] chan_sip.c: Registration from '"2222" \' failed for '212.83.149.203:5171' - Wrong password
\[2019-06-29 06:02:44\] SECURITY\[5156\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-06-29T06:02:44.619-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="2222",SessionID="0x7f13a84dcfa8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/212.83.149.203/5171",Challenge="3b5bf438",ReceivedChallenge="3b5bf438",ReceivedHash="dcd11eb00ffe1f7e66df28f04acbdca0"
\[2019-06-29 06:02:44\] NOTICE\[5148\] chan_sip.c: Registration from '"1055" \' failed for '212.83.149.203:5149' - Wrong password
\[2019-06-29 06:02:44\] SECURITY\[5156\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-06-29T06:02:44.718-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="1055",SessionID="0x7f13a8e39958",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4

Jun 29 04:37:24 vps200512 sshd\[1445\]: Invalid user prestashop from 124.239.252.22
Jun 29 04:37:24 vps200512 sshd\[1445\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=124.239.252.22
Jun 29 04:37:26 vps200512 sshd\[1445\]: Failed password for invalid user prestashop from 124.239.252.22 port 32772 ssh2
Jun 29 04:39:36 vps200512 sshd\[1523\]: Invalid user pu from 124.239.252.22
Jun 29 04:39:36 vps200512 sshd\[1523\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=124.239.252.22

DATE:2019-06-29 10:39:00, IP:183.236.34.137, PORT:1433 - MSSQL brute force auth on a honeypot server (epe-dc)

pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.113.91.50
Failed password for invalid user hadoop from 190.113.91.50 port 42429 ssh2
Invalid user cai from 190.113.91.50 port 51577
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.113.91.50
Failed password for invalid user cai from 190.113.91.50 port 51577 ssh2

Jun 29 15:38:18 itv-usvr-01 sshd[19954]: Invalid user neng from 94.23.204.136
Jun 29 15:38:18 itv-usvr-01 sshd[19954]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=94.23.204.136
Jun 29 15:38:18 itv-usvr-01 sshd[19954]: Invalid user neng from 94.23.204.136
Jun 29 15:38:20 itv-usvr-01 sshd[19954]: Failed password for invalid user neng from 94.23.204.136 port 54370 ssh2
Jun 29 15:40:00 itv-usvr-01 sshd[20150]: Invalid user rose from 94.23.204.136

Jun 29 10:55:46 animalibera sshd[19926]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.210  user=root
Jun 29 10:55:48 animalibera sshd[19926]: Failed password for root from 218.92.0.210 port 50754 ssh2
...

2019-06-29T10:35:53.795259  sshd[25132]: Invalid user anurag from 104.248.120.196 port 47610
2019-06-29T10:35:53.811240  sshd[25132]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.248.120.196
2019-06-29T10:35:53.795259  sshd[25132]: Invalid user anurag from 104.248.120.196 port 47610
2019-06-29T10:35:56.069202  sshd[25132]: Failed password for invalid user anurag from 104.248.120.196 port 47610 ssh2
2019-06-29T10:39:05.581859  sshd[25154]: Invalid user charity from 104.248.120.196 port 56512
...

Jun 29 14:30:25 tanzim-HP-Z238-Microtower-Workstation sshd\[30396\]: Invalid user aravind from 104.248.176.22
Jun 29 14:30:25 tanzim-HP-Z238-Microtower-Workstation sshd\[30396\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.248.176.22
Jun 29 14:30:27 tanzim-HP-Z238-Microtower-Workstation sshd\[30396\]: Failed password for invalid user aravind from 104.248.176.22 port 36616 ssh2
...

Jun 29 10:40:09 bouncer sshd\[4724\]: Invalid user nginx from 165.22.96.224 port 48798
Jun 29 10:40:09 bouncer sshd\[4724\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.22.96.224 
Jun 29 10:40:11 bouncer sshd\[4724\]: Failed password for invalid user nginx from 165.22.96.224 port 48798 ssh2
...

SSH bruteforce (Triggered fail2ban)

Jun 29 07:26:51 master sshd[23537]: Failed password for invalid user admin from 117.70.93.12 port 44767 ssh2

Brute force SMTP login attempts.

Jun 29 10:49:10 *** sshd[6383]: User root from 183.87.35.162 not allowed because not listed in AllowUsers