2020-08-21T20:16:06.653695lavrinenko.info sshd[24640]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.229.208.88
2020-08-21T20:16:06.643888lavrinenko.info sshd[24640]: Invalid user german from 111.229.208.88 port 56350
2020-08-21T20:16:08.746469lavrinenko.info sshd[24640]: Failed password for invalid user german from 111.229.208.88 port 56350 ssh2
2020-08-21T20:17:08.069619lavrinenko.info sshd[24694]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.229.208.88  user=root
2020-08-21T20:17:10.009490lavrinenko.info sshd[24694]: Failed password for root from 111.229.208.88 port 39242 ssh2
...

2020-08-21 06:52:58.223892-0500  localhost smtpd[92968]: NOQUEUE: reject: RCPT from unknown[190.43.102.200]: 554 5.7.1 Service unavailable; Client host [190.43.102.200] blocked using zen.spamhaus.org; https://www.spamhaus.org/sbl/query/SBLCSS / https://www.spamhaus.org/query/ip/190.43.102.200; from= to= proto=ESMTP helo=<[190.43.102.200]>

Aug 21 19:11:51 ns382633 sshd\[23627\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.82.97  user=root
Aug 21 19:11:53 ns382633 sshd\[23627\]: Failed password for root from 68.183.82.97 port 59310 ssh2
Aug 21 19:27:11 ns382633 sshd\[29222\]: Invalid user test from 68.183.82.97 port 42796
Aug 21 19:27:11 ns382633 sshd\[29222\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.82.97
Aug 21 19:27:13 ns382633 sshd\[29222\]: Failed password for invalid user test from 68.183.82.97 port 42796 ssh2

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

Unauthorized connection attempt from IP address 82.137.11.97 on Port 445(SMB)

Aug 21 14:02:26 minden010 sshd[575]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=64.139.73.170
Aug 21 14:02:26 minden010 sshd[578]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=64.139.73.170
Aug 21 14:02:28 minden010 sshd[575]: Failed password for invalid user pi from 64.139.73.170 port 33662 ssh2
...

Port Scan
...

2020-08-21T16:00:30.928744abusebot-3.cloudsearch.cf sshd[22407]: Invalid user tomcat from 187.189.11.49 port 51180
2020-08-21T16:00:30.935392abusebot-3.cloudsearch.cf sshd[22407]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=fixed-187-189-11-49.totalplay.net
2020-08-21T16:00:30.928744abusebot-3.cloudsearch.cf sshd[22407]: Invalid user tomcat from 187.189.11.49 port 51180
2020-08-21T16:00:33.317586abusebot-3.cloudsearch.cf sshd[22407]: Failed password for invalid user tomcat from 187.189.11.49 port 51180 ssh2
2020-08-21T16:01:31.451876abusebot-3.cloudsearch.cf sshd[22424]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=fixed-187-189-11-49.totalplay.net  user=root
2020-08-21T16:01:33.206457abusebot-3.cloudsearch.cf sshd[22424]: Failed password for root from 187.189.11.49 port 59922 ssh2
2020-08-21T16:01:56.686504abusebot-3.cloudsearch.cf sshd[22428]: pam_unix(sshd:auth): authentication failure; logname= u
...

2020-08-21T11:58:56.140421dmca.cloudsearch.cf sshd[23873]: Invalid user butter from 51.79.84.48 port 55112
2020-08-21T11:58:56.145721dmca.cloudsearch.cf sshd[23873]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=vps-6ecbb331.vps.ovh.ca
2020-08-21T11:58:56.140421dmca.cloudsearch.cf sshd[23873]: Invalid user butter from 51.79.84.48 port 55112
2020-08-21T11:58:58.086838dmca.cloudsearch.cf sshd[23873]: Failed password for invalid user butter from 51.79.84.48 port 55112 ssh2
2020-08-21T12:02:45.413554dmca.cloudsearch.cf sshd[24016]: Invalid user tf2 from 51.79.84.48 port 36948
2020-08-21T12:02:45.422287dmca.cloudsearch.cf sshd[24016]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=vps-6ecbb331.vps.ovh.ca
2020-08-21T12:02:45.413554dmca.cloudsearch.cf sshd[24016]: Invalid user tf2 from 51.79.84.48 port 36948
2020-08-21T12:02:47.134580dmca.cloudsearch.cf sshd[24016]: Failed password for invalid user tf2 from 51.
...

167.172.115.176 - - \[21/Aug/2020:14:02:55 +0200\] "POST /wp-login.php HTTP/1.0" 200 5924 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
167.172.115.176 - - \[21/Aug/2020:14:02:59 +0200\] "POST /wp-login.php HTTP/1.0" 200 5737 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
167.172.115.176 - - \[21/Aug/2020:14:03:00 +0200\] "POST /xmlrpc.php HTTP/1.0" 200 736 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"

srvr1: (mod_security) mod_security (id:942100) triggered by 36.66.105.23 (ID/-/-): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_MODSEC; Logs: 2020/08/21 12:02:51 [error] 482759#0: *840279 [client 36.66.105.23] ModSecurity: Access denied with code 406 (phase 2).  [file "/etc/modsecurity.d/REQUEST-942-APPLICATION-ATTACK-SQLI.conf"] [line "45"] [id "942100"] [rev ""] [msg ""] [redacted] [severity "0"] [ver "OWASP_CRS/3.3.0"] [maturity "0"] [accuracy "0"] [tag "application-multi"] [tag "language-multi"] [tag "platform-multi"] [tag "attack-sqli"] [tag "paranoia-level/1"] [tag "OWASP_CRS"] [tag "capec/1000/152/248/66"] [tag "PCI/6.5.2"] [redacted] [uri "/forum/viewthread.php"] [unique_id "159801137179.562580"] [ref ""], client: 36.66.105.23, [redacted] request: "GET /forum/viewthread.php?thread_id=1122%27+OR+++%274865%27+%3D+%274865 HTTP/1.1" [redacted]

Aug 22 03:30:34 NG-HHDC-SVS-001 sshd[21621]: Invalid user abe from 221.133.18.115
...

2020-08-21T19:51:40.802403ks3355764 sshd[547]: Invalid user khalid from 45.6.72.17 port 59872
2020-08-21T19:51:42.538901ks3355764 sshd[547]: Failed password for invalid user khalid from 45.6.72.17 port 59872 ssh2
...

Unauthorized IMAP connection attempt

SSH Brute-Force attacks