Mar 16 09:58:55 MainVPS sshd[32376]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.173.180  user=root
Mar 16 09:58:58 MainVPS sshd[32376]: Failed password for root from 222.186.173.180 port 1656 ssh2
Mar 16 09:59:12 MainVPS sshd[32376]: error: maximum authentication attempts exceeded for root from 222.186.173.180 port 1656 ssh2 [preauth]
Mar 16 09:58:55 MainVPS sshd[32376]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.173.180  user=root
Mar 16 09:58:58 MainVPS sshd[32376]: Failed password for root from 222.186.173.180 port 1656 ssh2
Mar 16 09:59:12 MainVPS sshd[32376]: error: maximum authentication attempts exceeded for root from 222.186.173.180 port 1656 ssh2 [preauth]
Mar 16 09:59:17 MainVPS sshd[510]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.173.180  user=root
Mar 16 09:59:18 MainVPS sshd[510]: Failed password for root from 222.186.173.180 port 17876 ss

IP attempted unauthorised action

2020-03-14T04:53:21.528810shield sshd\[20553\]: Invalid user cisco from 49.234.61.180 port 44436
2020-03-14T04:53:21.536670shield sshd\[20553\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.234.61.180
2020-03-14T04:53:24.199934shield sshd\[20553\]: Failed password for invalid user cisco from 49.234.61.180 port 44436 ssh2
2020-03-14T04:56:50.713597shield sshd\[21187\]: Invalid user ns2 from 49.234.61.180 port 53748
2020-03-14T04:56:50.719613shield sshd\[21187\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.234.61.180

Mar 14 06:45:30 relay postfix/smtpd\[17671\]: warning: unknown\[45.133.99.2\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Mar 14 06:45:44 relay postfix/smtpd\[8366\]: warning: unknown\[45.133.99.2\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Mar 14 06:57:37 relay postfix/smtpd\[18046\]: warning: unknown\[45.133.99.2\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Mar 14 06:57:53 relay postfix/smtpd\[8366\]: warning: unknown\[45.133.99.2\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Mar 14 06:58:10 relay postfix/smtpd\[8366\]: warning: unknown\[45.133.99.2\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...

(sshd) Failed SSH login from 106.13.238.65 (CN/China/-): 3 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Mar 14 05:38:20 andromeda sshd[31011]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.238.65  user=root
Mar 14 05:38:22 andromeda sshd[31011]: Failed password for root from 106.13.238.65 port 42086 ssh2
Mar 14 05:56:25 andromeda sshd[31808]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.238.65  user=root

SSH Brute-Force attacks

Mar 14 04:54:38 vmd17057 sshd[7262]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=202.70.65.229 
Mar 14 04:54:40 vmd17057 sshd[7262]: Failed password for invalid user dam from 202.70.65.229 port 44174 ssh2
...

Mar 14 06:17:13 mail.srvfarm.net postfix/smtpd[2957893]: NOQUEUE: reject: RCPT from unknown[87.103.131.124]: 554 5.7.1 Service unavailable; Client host [87.103.131.124] blocked using bl.spamcop.net; Blocked - see https://www.spamcop.net/bl.shtml?87.103.131.124; from= to= proto=ESMTP helo=<124.131.103.87.dial.irtel.ru>
Mar 14 06:17:14 mail.srvfarm.net postfix/smtpd[2957893]: NOQUEUE: reject: RCPT from unknown[87.103.131.124]: 554 5.7.1 Service unavailable; Client host [87.103.131.124] blocked using bl.spamcop.net; Blocked - see https://www.spamcop.net/bl.shtml?87.103.131.124; from= to= proto=ESMTP helo=<124.131.103.87.dial.irtel.ru>
Mar 14 06:17:14 mail.srvfarm.net postfix/smtpd[2957893]: NOQUEUE: reject: RCPT from unknown[87.103.131.124]: 554 5.7.1 Service unavailable; Client host [87.103.131.124] blocked using bl.spamcop.net; Blocked - see https://www.spamcop.net/bl.shtml?87.103.131.124; from=

SSH Authentication Attempts Exceeded

Mar 16 09:57:55 minden010 sshd[14614]: Failed password for root from 222.186.173.215 port 47880 ssh2
Mar 16 09:58:05 minden010 sshd[14614]: Failed password for root from 222.186.173.215 port 47880 ssh2
Mar 16 09:58:09 minden010 sshd[14614]: Failed password for root from 222.186.173.215 port 47880 ssh2
Mar 16 09:58:09 minden010 sshd[14614]: error: maximum authentication attempts exceeded for root from 222.186.173.215 port 47880 ssh2 [preauth]
...

" "

Mar 13 19:46:24 kapalua sshd\[5473\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ip254.ip-91-134-235.eu  user=root
Mar 13 19:46:26 kapalua sshd\[5473\]: Failed password for root from 91.134.235.254 port 48308 ssh2
Mar 13 19:49:15 kapalua sshd\[5690\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ip254.ip-91-134-235.eu  user=root
Mar 13 19:49:17 kapalua sshd\[5690\]: Failed password for root from 91.134.235.254 port 47008 ssh2
Mar 13 19:52:14 kapalua sshd\[5923\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ip254.ip-91-134-235.eu  user=root

$f2bV_matches

Honeypot attack, port: 445, PTR: PTR record not found

Mar 14 06:12:32 163-172-32-151 sshd[17160]: Invalid user user from 167.71.177.106 port 51764
...