Jun  3 10:37:01 ip-172-31-61-156 sshd[16990]: Failed password for root from 45.178.3.37 port 59831 ssh2
Jun  3 10:36:59 ip-172-31-61-156 sshd[16990]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.178.3.37  user=root
Jun  3 10:37:01 ip-172-31-61-156 sshd[16990]: Failed password for root from 45.178.3.37 port 59831 ssh2
Jun  3 10:44:04 ip-172-31-61-156 sshd[17524]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.178.3.37  user=root
Jun  3 10:44:06 ip-172-31-61-156 sshd[17524]: Failed password for root from 45.178.3.37 port 51314 ssh2
...

2020-06-02 22:39:50.742247-0500  localhost smtpd[49912]: NOQUEUE: reject: RCPT from unknown[63.83.73.22]: 554 5.7.1 Service unavailable; Client host [63.83.73.22] blocked using zen.spamhaus.org; https://www.spamhaus.org/sbl/query/SBLCSS; from= to= proto=ESMTP helo=

2020-06-03T08:12:59.829668ns386461 sshd\[7322\]: Invalid user rafael from 178.32.241.144 port 37422
2020-06-03T08:12:59.836327ns386461 sshd\[7322\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ip144.ip-178-32-241.eu
2020-06-03T08:13:01.866491ns386461 sshd\[7322\]: Failed password for invalid user rafael from 178.32.241.144 port 37422 ssh2
2020-06-03T08:18:14.978249ns386461 sshd\[12024\]: Invalid user raffa from 178.32.241.144 port 34776
2020-06-03T08:18:14.982967ns386461 sshd\[12024\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ip144.ip-178-32-241.eu
...

chaangnoifulda.de 74.208.10.42 [03/Jun/2020:05:48:15 +0200] "POST /wp-login.php HTTP/1.1" 200 6002 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
chaangnoifulda.de 74.208.10.42 [03/Jun/2020:05:48:15 +0200] "POST /xmlrpc.php HTTP/1.1" 200 4065 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"

2020-06-03T09:17:01.696145homeassistant sshd[24648]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.244.73.193  user=proxy
2020-06-03T09:17:03.271700homeassistant sshd[24648]: Failed password for proxy from 104.244.73.193 port 38743 ssh2
...

20 attempts against mh-ssh on echoip

Jun  3 06:57:24 cdc sshd[4695]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=146.185.130.101  user=root
Jun  3 06:57:25 cdc sshd[4695]: Failed password for invalid user root from 146.185.130.101 port 53650 ssh2

20613/tcp 18858/tcp 25259/tcp...
[2020-04-03/06-02]171pkt,60pt.(tcp)

Jun  3 12:38:34 [host] sshd[25050]: pam_unix(sshd:
Jun  3 12:38:36 [host] sshd[25050]: Failed passwor
Jun  3 12:42:00 [host] sshd[25561]: pam_unix(sshd:

$f2bV_matches | Triggered by Fail2Ban at Vostok web server

Jun  3 06:36:46 firewall sshd[21973]: Failed password for root from 194.149.33.10 port 44546 ssh2
Jun  3 06:40:48 firewall sshd[22096]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=194.149.33.10  user=root
Jun  3 06:40:50 firewall sshd[22096]: Failed password for root from 194.149.33.10 port 52464 ssh2
...

Jun  3 10:53:51 cdc sshd[8374]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.196.64.93  user=root
Jun  3 10:53:54 cdc sshd[8374]: Failed password for invalid user root from 190.196.64.93 port 50944 ssh2

SIP/5060 Probe, BF, Hack -

This client attempted to login to an administrator account on a Website, or abused from another resource.

$f2bV_matches