Mar  9 10:50:07 mockhub sshd[576]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=198.23.251.238
Mar  9 10:50:09 mockhub sshd[576]: Failed password for invalid user safeuser from 198.23.251.238 port 46104 ssh2
...

(imapd) Failed IMAP login from 5.123.35.126 (IR/Iran/-): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: Mar  9 15:55:06 ir1 dovecot[4133960]: imap-login: Aborted login (auth failed, 1 attempts in 2 secs): user=, method=PLAIN, rip=5.123.35.126, lip=5.63.12.44, session=

Chat Spam

ENG,WP GET /wp-login.php

2020-03-09T19:30:31.817528v22018076590370373 sshd[6546]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.131.249.57  user=root
2020-03-09T19:30:34.371938v22018076590370373 sshd[6546]: Failed password for root from 104.131.249.57 port 52253 ssh2
2020-03-09T19:35:52.618634v22018076590370373 sshd[4041]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.131.249.57  user=root
2020-03-09T19:35:54.571004v22018076590370373 sshd[4041]: Failed password for root from 104.131.249.57 port 60662 ssh2
2020-03-09T19:41:04.687656v22018076590370373 sshd[13182]: Invalid user ftp_test from 104.131.249.57 port 40839
...

Mar  9 13:18:25 vbuntu sshd[7628]: refused connect from cpe-45-48-17-120.socal.res.rr.com (45.48.17.120)
Mar  9 13:18:39 vbuntu sshd[7631]: refused connect from cpe-45-48-17-120.socal.res.rr.com (45.48.17.120)
Mar  9 13:18:39 vbuntu sshd[7632]: refused connect from cpe-45-48-17-120.socal.res.rr.com (45.48.17.120)


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=45.48.17.120

Brute force attack against VPN service

Mar  9 15:20:38 server sshd\[21441\]: Invalid user rust from 51.255.162.65
Mar  9 15:20:38 server sshd\[21441\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=65.ip-51-255-162.eu 
Mar  9 15:20:40 server sshd\[21441\]: Failed password for invalid user rust from 51.255.162.65 port 50248 ssh2
Mar  9 15:25:08 server sshd\[22459\]: Invalid user rust from 51.255.162.65
Mar  9 15:25:08 server sshd\[22459\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=65.ip-51-255-162.eu 
...

2020-03-0913:22:561jBHQt-0001xa-G8\<=verena@rs-solution.chH=\(localhost\)[159.192.65.32]:44284P=esmtpsaX=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:verena@rs-solution.chS=3077id=257e61323912c7cbeca91f4cb87f75794adcec1d@rs-solution.chT="fromSydnetothomasjeffrobbins"forthomasjeffrobbins@gmail.commark_3449@hotmail.com2020-03-0913:24:481jBHSg-00027g-Hi\<=verena@rs-solution.chH=\(localhost\)[41.39.115.245]:52813P=esmtpsaX=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:verena@rs-solution.chS=3080id=24177d2c270cd92a09f70152598db498bb512efa72@rs-solution.chT="fromZoraidatokevindukcran"forkevindukcran@yahoo.comravialan007@gmail.com2020-03-0913:24:581jBHSr-0002BR-UW\<=verena@rs-solution.chH=\(localhost\)[115.84.76.227]:42733P=esmtpsaX=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:verena@rs-solution.chS=3015id=8db3fba8a3885d51763385d622e5efe3d058fe90@rs-solution.chT="NewlikereceivedfromReba"forsullke5@yahoo.commrcmj1000@gmail.com2020-03-0913:23:051jBHR3-00020T-3j\<=verena@r

NOQUEUE: reject: RCPT from unknown[173.254.192.202]: 554 5.7.1 : Relay access denied; from= to= proto=SMTP helo=

SSH authentication failure x 6 reported by Fail2Ban
...

Oct 29 12:48:23 ms-srv sshd[38287]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.78.85  user=root
Oct 29 12:48:26 ms-srv sshd[38287]: Failed password for invalid user root from 106.13.78.85 port 55782 ssh2

Mar  9 17:09:42 ns382633 sshd\[16706\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=194.243.132.91  user=root
Mar  9 17:09:43 ns382633 sshd\[16706\]: Failed password for root from 194.243.132.91 port 36165 ssh2
Mar  9 17:16:33 ns382633 sshd\[18200\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=194.243.132.91  user=root
Mar  9 17:16:36 ns382633 sshd\[18200\]: Failed password for root from 194.243.132.91 port 54133 ssh2
Mar  9 17:19:21 ns382633 sshd\[18460\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=194.243.132.91  user=root

Sending SPAM email

Mar  9 19:52:08 vps691689 sshd[19433]: Failed password for root from 189.108.198.42 port 34938 ssh2
Mar  9 19:59:15 vps691689 sshd[19534]: Failed password for root from 189.108.198.42 port 37654 ssh2
...