Mar 10 06:25:04 vps46666688 sshd[9951]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.85.75
Mar 10 06:25:06 vps46666688 sshd[9951]: Failed password for invalid user qwerty from 68.183.85.75 port 38840 ssh2
...

Mar 10 10:25:28 debian-2gb-nbg1-2 kernel: \[6091476.371484\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=187.226.101.237 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=51 ID=28172 PROTO=TCP SPT=26838 DPT=8000 WINDOW=24294 RES=0x00 SYN URGP=0

Automatic report - Port Scan Attack

2020-03-09 UTC: (30x) - 123456,R00tAdmin1,ai-tsung,artem123,co,hadoop,robi,root(18x),rootaron,test123,testnet,user2,www1

firewall-block, port(s): 23/tcp

*Port Scan* detected from 47.254.154.162 (US/United States/-). 4 hits in the last 285 seconds

Mar 10 12:04:17 karger postfix/smtpd[29633]: warning: unknown[193.56.28.188]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Mar 10 12:04:23 karger postfix/smtpd[29633]: warning: unknown[193.56.28.188]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Mar 10 12:04:33 karger postfix/smtpd[29633]: warning: unknown[193.56.28.188]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...

Mar 10 06:30:04 plusreed sshd[9836]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.250.231.251  user=root
Mar 10 06:30:05 plusreed sshd[9836]: Failed password for root from 81.250.231.251 port 50228 ssh2
...

Mar 10 11:18:16 journals dovecot: pop3-login: Aborted login \(auth failed, 1 attempts in 5 secs\): user=\, method=PLAIN, rip=114.67.229.158, lip=212.111.212.230, session=\<455HmXygTN1yQ+We\>
Mar 10 11:18:26 journals dovecot: pop3-login: Aborted login \(auth failed, 1 attempts in 9 secs\): user=\, method=PLAIN, rip=114.67.229.158, lip=212.111.212.230, session=\
Mar 10 11:18:40 journals dovecot: pop3-login: Aborted login \(auth failed, 1 attempts in 12 secs\): user=\, method=PLAIN, rip=114.67.229.158, lip=212.111.212.230, session=\
Mar 10 11:25:28 journals dovecot: pop3-login: Aborted login \(auth failed, 1 attempts in 4 secs\): user=\, method=PLAIN, rip=114.67.229.158, lip=212.111.212.230, session=\
Mar 10 11:25:39 journals dovecot: pop3-login: Aborted login \(auth failed, 1 attempts in 9 secs\): user=\, method=PLAIN, rip=114.67.229.158
...

2020-03-10T12:53:43.383483host3.slimhost.com.ua sshd[2095795]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=67.ip-167-114-2.net
2020-03-10T12:53:43.377745host3.slimhost.com.ua sshd[2095795]: Invalid user admin from 167.114.2.67 port 42424
2020-03-10T12:53:45.396405host3.slimhost.com.ua sshd[2095795]: Failed password for invalid user admin from 167.114.2.67 port 42424 ssh2
2020-03-10T12:53:46.384089host3.slimhost.com.ua sshd[2095844]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=67.ip-167-114-2.net  user=root
2020-03-10T12:53:48.138260host3.slimhost.com.ua sshd[2095844]: Failed password for root from 167.114.2.67 port 45388 ssh2
...

Mar 10 12:38:41 h1745522 sshd[13867]: Invalid user test from 165.227.144.125 port 58764
Mar 10 12:38:41 h1745522 sshd[13867]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.144.125
Mar 10 12:38:41 h1745522 sshd[13867]: Invalid user test from 165.227.144.125 port 58764
Mar 10 12:38:42 h1745522 sshd[13867]: Failed password for invalid user test from 165.227.144.125 port 58764 ssh2
Mar 10 12:42:13 h1745522 sshd[14100]: Invalid user style-investor@1234 from 165.227.144.125 port 56550
Mar 10 12:42:13 h1745522 sshd[14100]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.144.125
Mar 10 12:42:13 h1745522 sshd[14100]: Invalid user style-investor@1234 from 165.227.144.125 port 56550
Mar 10 12:42:15 h1745522 sshd[14100]: Failed password for invalid user style-investor@1234 from 165.227.144.125 port 56550 ssh2
Mar 10 12:45:43 h1745522 sshd[14171]: Invalid user style-investor from 165.227.144.125 port 5
...

Lines containing failures of 167.172.255.9
Mar  9 06:48:43 shared04 sshd[10672]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.172.255.9  user=r.r
Mar  9 06:48:44 shared04 sshd[10672]: Failed password for r.r from 167.172.255.9 port 48212 ssh2
Mar  9 06:48:44 shared04 sshd[10672]: Received disconnect from 167.172.255.9 port 48212:11: Bye Bye [preauth]
Mar  9 06:48:44 shared04 sshd[10672]: Disconnected from authenticating user r.r 167.172.255.9 port 48212 [preauth]
Mar  9 07:03:10 shared04 sshd[15019]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.172.255.9  user=r.r
Mar  9 07:03:11 shared04 sshd[15019]: Failed password for r.r from 167.172.255.9 port 45620 ssh2
Mar  9 07:03:11 shared04 sshd[15019]: Received disconnect from 167.172.255.9 port 45620:11: Bye Bye [preauth]
Mar  9 07:03:11 shared04 sshd[15019]: Disconnected from authenticating user r.r 167.172.255.9 port 45620 [preauth........
------------------------------

To many SASL auth failed

\[2020-03-10 05:04:46\] SECURITY\[2093\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-03-10T05:04:46.443+0100",Severity="Error",Service="SIP",EventVersion="2",AccountID="0046903433918",SessionID="0x7f23bd928658",LocalAddress="IPV4/UDP/204.8.216.89/5060",RemoteAddress="IPV4/UDP/45.143.220.202/5099",Challenge="5131adf7",ReceivedChallenge="5131adf7",ReceivedHash="c4363b1e99db025eb1ba1dfa107ee7a6"
\[2020-03-10 07:06:28\] SECURITY\[2093\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-03-10T07:06:28.616+0100",Severity="Error",Service="SIP",EventVersion="2",AccountID="90046462607598",SessionID="0x7f23bdb98178",LocalAddress="IPV4/UDP/204.8.216.89/5060",RemoteAddress="IPV4/UDP/45.143.220.202/5071",Challenge="455b8ae7",ReceivedChallenge="455b8ae7",ReceivedHash="0f8d4e9bc22d7b2079da66bba37d9839"
\[2020-03-10 09:16:06\] SECURITY\[2093\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-03-10T09:16:06.736+0100",Severity="Error",Service="SIP",
...

B: Magento admin pass test (wrong country)