[Thu Sep 17 12:10:36 2020 GMT] "Credit Center"  [RDNS_NONE,HTML_IMAGE_ONLY_32], Subject: Need help with your Credit?

Sep 17 18:42:29 mail.srvfarm.net postfix/smtpd[157369]: warning: unknown[178.219.30.186]: SASL PLAIN authentication failed: 
Sep 17 18:42:29 mail.srvfarm.net postfix/smtpd[157369]: lost connection after AUTH from unknown[178.219.30.186]
Sep 17 18:43:09 mail.srvfarm.net postfix/smtps/smtpd[159171]: warning: unknown[178.219.30.186]: SASL PLAIN authentication failed: 
Sep 17 18:43:09 mail.srvfarm.net postfix/smtps/smtpd[159171]: lost connection after AUTH from unknown[178.219.30.186]
Sep 17 18:52:26 mail.srvfarm.net postfix/smtpd[157367]: warning: unknown[178.219.30.186]: SASL PLAIN authentication failed:

Sep 17 18:47:30 mail.srvfarm.net postfix/smtps/smtpd[161661]: warning: unknown[109.72.5.186]: SASL PLAIN authentication failed: 
Sep 17 18:47:30 mail.srvfarm.net postfix/smtps/smtpd[161661]: lost connection after AUTH from unknown[109.72.5.186]
Sep 17 18:49:54 mail.srvfarm.net postfix/smtps/smtpd[161658]: warning: unknown[109.72.5.186]: SASL PLAIN authentication failed: 
Sep 17 18:49:54 mail.srvfarm.net postfix/smtps/smtpd[161658]: lost connection after AUTH from unknown[109.72.5.186]
Sep 17 18:57:00 mail.srvfarm.net postfix/smtpd[163114]: warning: unknown[109.72.5.186]: SASL PLAIN authentication failed:

Sep 18 08:26:26 santamaria sshd\[8320\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.34.215  user=root
Sep 18 08:26:28 santamaria sshd\[8320\]: Failed password for root from 122.51.34.215 port 46868 ssh2
Sep 18 08:31:34 santamaria sshd\[8395\]: Invalid user cpanelphppgadmin from 122.51.34.215
Sep 18 08:31:34 santamaria sshd\[8395\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.34.215
...

Port probing on unauthorized port 23

bruteforce detected

2020-09-18T08:46:32.407392abusebot-6.cloudsearch.cf sshd[2236]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.54.141.196  user=root
2020-09-18T08:46:34.914970abusebot-6.cloudsearch.cf sshd[2236]: Failed password for root from 106.54.141.196 port 47072 ssh2
2020-09-18T08:50:38.875505abusebot-6.cloudsearch.cf sshd[2333]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.54.141.196  user=root
2020-09-18T08:50:40.821006abusebot-6.cloudsearch.cf sshd[2333]: Failed password for root from 106.54.141.196 port 49288 ssh2
2020-09-18T08:51:50.644162abusebot-6.cloudsearch.cf sshd[2346]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.54.141.196  user=root
2020-09-18T08:51:53.141514abusebot-6.cloudsearch.cf sshd[2346]: Failed password for root from 106.54.141.196 port 57498 ssh2
2020-09-18T08:54:02.905478abusebot-6.cloudsearch.cf sshd[2356]: pam_unix(sshd:auth): authen
...

Telnet/23 MH Probe, Scan, BF, Hack -

2020-09-17T12:57:06.259624mail.thespaminator.com sshd[5016]: Invalid user admin from 82.199.58.43 port 46737
2020-09-17T12:57:08.918648mail.thespaminator.com sshd[5016]: Failed password for invalid user admin from 82.199.58.43 port 46737 ssh2
...

DATE:2020-09-18 09:12:58,IP:49.235.247.75,MATCHES:10,PORT:ssh

Sep 17 20:10:41 mail.srvfarm.net postfix/smtpd[200753]: NOQUEUE: reject: RCPT from mailrelay5.vw.com.mx[148.203.151.248]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Sep 17 20:10:42 mail.srvfarm.net postfix/smtpd[200753]: NOQUEUE: reject: RCPT from mailrelay5.vw.com.mx[148.203.151.248]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Sep 17 20:10:43 mail.srvfarm.net postfix/smtpd[200753]: NOQUEUE: reject: RCPT from mailrelay5.vw.com.mx[148.203.151.248]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Sep 17 20:10:44 mail.srvfarm.net postfix/smtpd[200753]: NOQUEUE: reject:

Bruteforce detected by fail2ban

134.19.146.45 (RU/Russia/-), 6 distributed sshd attacks on account [root] in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_DISTATTACK; Logs: Sep 18 09:48:32 server sshd[27969]: Failed password for root from 115.159.237.46 port 50110 ssh2
Sep 18 09:53:50 server sshd[28846]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.59.7.225  user=root
Sep 18 09:49:23 server sshd[28175]: Failed password for root from 218.28.99.248 port 44316 ssh2
Sep 18 09:50:54 server sshd[28415]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.19.146.45  user=root
Sep 18 09:50:57 server sshd[28415]: Failed password for root from 134.19.146.45 port 34222 ssh2
Sep 18 09:49:21 server sshd[28175]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.28.99.248  user=root

IP Addresses Blocked:

115.159.237.46 (CN/China/-)
139.59.7.225 (IN/India/-)
218.28.99.248 (CN/China/-)

Sep 18 02:17:55 pixelmemory sshd[3088270]: Failed password for root from 60.10.193.68 port 45182 ssh2
Sep 18 02:22:56 pixelmemory sshd[3089797]: Invalid user tomcat from 60.10.193.68 port 54194
Sep 18 02:22:56 pixelmemory sshd[3089797]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=60.10.193.68 
Sep 18 02:22:56 pixelmemory sshd[3089797]: Invalid user tomcat from 60.10.193.68 port 54194
Sep 18 02:22:58 pixelmemory sshd[3089797]: Failed password for invalid user tomcat from 60.10.193.68 port 54194 ssh2
...

Sep 18 07:59:24 plex-server sshd[1285393]: Failed password for root from 54.37.156.188 port 54100 ssh2
Sep 18 08:03:07 plex-server sshd[1286921]: Invalid user admin from 54.37.156.188 port 59276
Sep 18 08:03:07 plex-server sshd[1286921]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.37.156.188 
Sep 18 08:03:07 plex-server sshd[1286921]: Invalid user admin from 54.37.156.188 port 59276
Sep 18 08:03:09 plex-server sshd[1286921]: Failed password for invalid user admin from 54.37.156.188 port 59276 ssh2
...