Dec 19 15:38:19 grey postfix/smtpd\[5136\]: NOQUEUE: reject: RCPT from unknown\[27.4.147.58\]: 554 5.7.1 Service unavailable\; Client host \[27.4.147.58\] blocked using truncate.gbudb.net\; http://www.gbudb.com/truncate/ \[27.4.147.58\]\; from=\ to=\ proto=ESMTP helo=\<\[27.4.147.58\]\>
...

familiengesundheitszentrum-fulda.de 125.214.58.214 [19/Dec/2019:15:53:15 +0100] "POST /wp-login.php HTTP/1.1" 200 6330 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
familiengesundheitszentrum-fulda.de 125.214.58.214 [19/Dec/2019:15:53:20 +0100] "POST /wp-login.php HTTP/1.1" 200 6288 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"

Dec 19 11:10:30 linuxvps sshd\[15859\]: Invalid user combi from 120.197.50.154
Dec 19 11:10:30 linuxvps sshd\[15859\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=120.197.50.154
Dec 19 11:10:32 linuxvps sshd\[15859\]: Failed password for invalid user combi from 120.197.50.154 port 37719 ssh2
Dec 19 11:18:16 linuxvps sshd\[20942\]: Invalid user vcsa from 120.197.50.154
Dec 19 11:18:16 linuxvps sshd\[20942\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=120.197.50.154

Dec 19 15:38:19 grey postfix/smtpd\[12011\]: NOQUEUE: reject: RCPT from unknown\[91.83.113.173\]: 554 5.7.1 Service unavailable\; Client host \[91.83.113.173\] blocked using truncate.gbudb.net\; http://www.gbudb.com/truncate/ \[91.83.113.173\]\; from=\ to=\ proto=ESMTP helo=\<\[91.83.113.173\]\>
...

Dec 19 15:38:19 web8 sshd\[18759\]: Invalid user tollestrup from 85.95.191.56
Dec 19 15:38:19 web8 sshd\[18759\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=85.95.191.56
Dec 19 15:38:21 web8 sshd\[18759\]: Failed password for invalid user tollestrup from 85.95.191.56 port 45978 ssh2
Dec 19 15:45:54 web8 sshd\[22447\]: Invalid user woehl from 85.95.191.56
Dec 19 15:45:54 web8 sshd\[22447\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=85.95.191.56

Dec 19 16:42:07 MK-Soft-VM7 sshd[24900]: Failed password for root from 123.206.255.181 port 47140 ssh2
...

Automatic report - XMLRPC Attack

Dec 19 15:38:27 grey postfix/smtpd\[15064\]: NOQUEUE: reject: RCPT from unknown\[45.120.115.218\]: 554 5.7.1 Service unavailable\; Client host \[45.120.115.218\] blocked using bl.spamcop.net\; Blocked - see https://www.spamcop.net/bl.shtml\?45.120.115.218\; from=\ to=\ proto=ESMTP helo=\<45.120.115-218.mazedanetworks.net\>
...

Dec 19 05:46:36 sachi sshd\[31355\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.59.80.65  user=mysql
Dec 19 05:46:39 sachi sshd\[31355\]: Failed password for mysql from 139.59.80.65 port 44036 ssh2
Dec 19 05:52:44 sachi sshd\[31933\]: Invalid user roloff from 139.59.80.65
Dec 19 05:52:44 sachi sshd\[31933\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.59.80.65
Dec 19 05:52:47 sachi sshd\[31933\]: Failed password for invalid user roloff from 139.59.80.65 port 54550 ssh2

Dec 19 16:20:23 xeon sshd[29394]: Failed password for root from 27.50.24.83 port 55316 ssh2

Dec 19 16:41:44 icinga sshd[9565]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.211.63.147
Dec 19 16:41:46 icinga sshd[9565]: Failed password for invalid user dbus from 80.211.63.147 port 50100 ssh2
...

" "

Dec 19 16:55:20 sd-53420 sshd\[3343\]: Invalid user vandeven from 54.38.18.211
Dec 19 16:55:20 sd-53420 sshd\[3343\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.38.18.211
Dec 19 16:55:22 sd-53420 sshd\[3343\]: Failed password for invalid user vandeven from 54.38.18.211 port 55002 ssh2
Dec 19 17:00:29 sd-53420 sshd\[5330\]: User root from 54.38.18.211 not allowed because none of user's groups are listed in AllowGroups
Dec 19 17:00:29 sd-53420 sshd\[5330\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.38.18.211  user=root
...

Dec 19 15:38:35 grey postfix/smtpd\[5369\]: NOQUEUE: reject: RCPT from 89-172-68-134.adsl.net.t-com.hr\[89.172.68.134\]: 554 5.7.1 Service unavailable\; Client host \[89.172.68.134\] blocked using dul.dnsbl.sorbs.net\; Dynamic IP Addresses See: http://www.sorbs.net/lookup.shtml\?89.172.68.134\; from=\ to=\ proto=ESMTP helo=\<89-172-68-134.adsl.net.t-com.hr\>
...

Dec 19 15:38:18 vpn01 sshd[21851]: Failed password for root from 192.42.116.16 port 59410 ssh2
Dec 19 15:38:31 vpn01 sshd[21851]: error: maximum authentication attempts exceeded for root from 192.42.116.16 port 59410 ssh2 [preauth]
...