142.93.125.73 - - [10/Jan/2020:12:57:03 +0000] "POST /wp-login.php HTTP/1.1" 200 6409 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
142.93.125.73 - - [10/Jan/2020:12:57:03 +0000] "POST /xmlrpc.php HTTP/1.1" 200 403 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
...

1578660904 - 01/10/2020 13:55:04 Host: 221.124.105.24/221.124.105.24 Port: 445 TCP Blocked

SSH brutforce

0,45-14/08 [bc01/m05] PostRequest-Spammer scoring: Dodoma

Jan 10 13:57:42 grey postfix/smtpd\[17244\]: NOQUEUE: reject: RCPT from unknown\[175.176.91.154\]: 554 5.7.1 Service unavailable\; Client host \[175.176.91.154\] blocked using truncate.gbudb.net\; http://www.gbudb.com/truncate/ \[175.176.91.154\]\; from=\ to=\ proto=ESMTP helo=\<\[175.176.91.154\]\>
...

Jan 10 17:43:26 icinga sshd[55990]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=27.78.14.83 
Jan 10 17:43:28 icinga sshd[55990]: Failed password for invalid user user from 27.78.14.83 port 43900 ssh2
Jan 10 17:43:45 icinga sshd[56352]: Failed password for root from 27.78.14.83 port 40628 ssh2
...

(sshd) Failed SSH login from 104.131.91.148 (US/United States/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Jan 10 09:39:05 localhost sshd[10153]: Invalid user ix from 104.131.91.148 port 50172
Jan 10 09:39:07 localhost sshd[10153]: Failed password for invalid user ix from 104.131.91.148 port 50172 ssh2
Jan 10 09:54:02 localhost sshd[11236]: Invalid user fo from 104.131.91.148 port 36687
Jan 10 09:54:04 localhost sshd[11236]: Failed password for invalid user fo from 104.131.91.148 port 36687 ssh2
Jan 10 09:57:39 localhost sshd[11458]: Invalid user test from 104.131.91.148 port 50748

Jan 10 15:57:29 server sshd\[27283\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.12.115.129  user=root
Jan 10 15:57:31 server sshd\[27283\]: Failed password for root from 62.12.115.129 port 36216 ssh2
Jan 10 15:57:32 server sshd\[27281\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.12.115.129  user=root
Jan 10 15:57:33 server sshd\[27294\]: Received disconnect from 62.12.115.129: 3: com.jcraft.jsch.JSchException: Auth fail
Jan 10 15:57:33 server sshd\[27367\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.12.115.129  user=root
...

Unauthorized connection attempt detected from IP address 77.247.108.77 to port 80 [T]

" "

Jan 10 17:42:34 meumeu sshd[11552]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.237.55.37 
Jan 10 17:42:36 meumeu sshd[11552]: Failed password for invalid user yuanwd from 212.237.55.37 port 34436 ssh2
Jan 10 17:46:10 meumeu sshd[11992]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.237.55.37 
...

Jan 10 07:02:09 web1 sshd\[29570\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.88.112.113  user=root
Jan 10 07:02:12 web1 sshd\[29570\]: Failed password for root from 49.88.112.113 port 49580 ssh2
Jan 10 07:03:06 web1 sshd\[29647\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.88.112.113  user=root
Jan 10 07:03:07 web1 sshd\[29647\]: Failed password for root from 49.88.112.113 port 18973 ssh2
Jan 10 07:04:00 web1 sshd\[29705\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.88.112.113  user=root

unauthorized connection attempt

port scan and connect, tcp 1433 (ms-sql-s)

Unauthorized connection attempt detected from IP address 139.219.6.50 to port 12713 [T]