Aug 26 22:48:05 server dovecot: imap-login: Aborted login (auth failed, 1 attempts in 3 secs): user=, method=PLAIN, rip=2a02:a03f:3a4e:bb00:9945:113b:ae6:1db4, lip=2a01:7e01:e001:164::, session=
Aug 26 22:48:05 server dovecot: imap-login: Aborted login (auth failed, 1 attempts in 3 secs): user=, method=PLAIN, rip=2a02:a03f:3a4e:bb00:9945:113b:ae6:1db4, lip=2a01:7e01:e001:164::, session=
Aug 26 22:48:12 server dovecot: imap-login: Aborted login (auth failed, 1 attempts in 2 secs): user=, method=PLAIN, rip=2a02:a03f:3a4e:bb00:9945:113b:ae6:1db4, lip=2a01:7e01:e001:164::, session=<3sUD8M2tFsgqAqA/Ok67AJlFETsK5h20>
Aug 26 22:48:14 server dovecot: imap-login: Aborted login (auth failed, 1 attempts in 2 secs): user=, method=PLAIN, rip=2a02:a03f:3a4e:bb00:9945:113b:ae6:1db4, lip=2a01:7e01:e001:164::, session=

(sshd) Failed SSH login from 118.24.28.39 (CN/China/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Oct 28 12:31:22 server2 sshd[16789]: Invalid user elconix from 118.24.28.39 port 51364
Oct 28 12:31:24 server2 sshd[16789]: Failed password for invalid user elconix from 118.24.28.39 port 51364 ssh2
Oct 28 12:48:31 server2 sshd[17259]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.24.28.39  user=root
Oct 28 12:48:34 server2 sshd[17259]: Failed password for root from 118.24.28.39 port 59626 ssh2
Oct 28 12:53:25 server2 sshd[17425]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.24.28.39  user=root

web-1 [ssh] SSH Attack

2019-10-28T14:12:35.309049lon01.zurich-datacenter.net sshd\[23892\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.173.142  user=root
2019-10-28T14:12:37.769069lon01.zurich-datacenter.net sshd\[23892\]: Failed password for root from 222.186.173.142 port 32364 ssh2
2019-10-28T14:12:41.593216lon01.zurich-datacenter.net sshd\[23892\]: Failed password for root from 222.186.173.142 port 32364 ssh2
2019-10-28T14:12:45.828975lon01.zurich-datacenter.net sshd\[23892\]: Failed password for root from 222.186.173.142 port 32364 ssh2
2019-10-28T14:12:50.084509lon01.zurich-datacenter.net sshd\[23892\]: Failed password for root from 222.186.173.142 port 32364 ssh2
...

Oct 28 12:53:20 lnxweb62 sshd[16636]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=84.91.128.47

Oct 28 14:02:40 arianus sshd\[28832\]: Unable to negotiate with 222.186.173.215 port 7172: no matching key exchange method found. Their offer: diffie-hellman-group1-sha1,diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1 \[preauth\]
...

Fail2Ban Ban Triggered

2019-10-28T12:56:00.377875abusebot-8.cloudsearch.cf sshd\[13719\]: Invalid user password321 from 217.30.75.78 port 39850

SSH Scan

Oct 28 14:25:28 www5 sshd\[49739\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=110.93.200.118  user=root
Oct 28 14:25:30 www5 sshd\[49739\]: Failed password for root from 110.93.200.118 port 2527 ssh2
Oct 28 14:30:01 www5 sshd\[50310\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=110.93.200.118  user=root
...

Oct 28 08:10:19 TORMINT sshd\[24013\]: Invalid user 1Qwe2zxc from 27.72.105.157
Oct 28 08:10:19 TORMINT sshd\[24013\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=27.72.105.157
Oct 28 08:10:21 TORMINT sshd\[24013\]: Failed password for invalid user 1Qwe2zxc from 27.72.105.157 port 41688 ssh2
...

Automatic report - Port Scan Attack

Oct 28 13:34:07 localhost sshd\[15825\]: Invalid user eliott from 103.52.52.23 port 39694
Oct 28 13:34:07 localhost sshd\[15825\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.52.52.23
Oct 28 13:34:10 localhost sshd\[15825\]: Failed password for invalid user eliott from 103.52.52.23 port 39694 ssh2

28.10.2019 12:53:16 - SMTP Spam without Auth on hMailserver 
Detected by ELinOX-hMail-A2F

IP Ban Report :  
 https://help-dysk.pl/wordpress-firewall-plugins/ip/111.170.193.164/ 
 
 CN - 1H : (859)  
 Protection Against DDoS WordPress plugin :  
 "odzyskiwanie danych help-dysk" 
 IP Address Ranges by Country : CN 
 NAME ASN : ASN4134 
 
 IP : 111.170.193.164 
 
 CIDR : 111.170.0.0/16 
 
 PREFIX COUNT : 5430 
 
 UNIQUE IP COUNT : 106919680 
 
 
 ATTACKS DETECTED ASN4134 :  
  1H - 12 
  3H - 41 
  6H - 84 
 12H - 183 
 24H - 414 
 
 DateTime : 2019-10-28 12:53:21 
 
 INFO : Port Scan TELNET Detected and Blocked by ADMIN  - data recovery

Oct 28 12:53:31 MK-Soft-VM6 sshd[414]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=195.154.169.186 
Oct 28 12:53:34 MK-Soft-VM6 sshd[414]: Failed password for invalid user jignesh from 195.154.169.186 port 43114 ssh2
...