Sep  4 01:47:04 vps1 sshd[8657]: Failed none for invalid user root from 222.186.173.154 port 13832 ssh2
Sep  4 01:47:05 vps1 sshd[8657]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.173.154  user=root
Sep  4 01:47:07 vps1 sshd[8657]: Failed password for invalid user root from 222.186.173.154 port 13832 ssh2
Sep  4 01:47:12 vps1 sshd[8657]: Failed password for invalid user root from 222.186.173.154 port 13832 ssh2
Sep  4 01:47:15 vps1 sshd[8657]: Failed password for invalid user root from 222.186.173.154 port 13832 ssh2
Sep  4 01:47:19 vps1 sshd[8657]: Failed password for invalid user root from 222.186.173.154 port 13832 ssh2
Sep  4 01:47:23 vps1 sshd[8657]: Failed password for invalid user root from 222.186.173.154 port 13832 ssh2
Sep  4 01:47:24 vps1 sshd[8657]: error: maximum authentication attempts exceeded for invalid user root from 222.186.173.154 port 13832 ssh2 [preauth]
...

ET DROP Dshield Block Listed Source group 1 - port: 5060 proto: sip cat: Misc Attackbytes: 458

SSH bruteforce

Unauthorized connection attempt detected, IP banned.

Firewall Dropped Connection

Invalid user tzq from 189.192.100.139 port 56190

Sep  4 02:16:23 raspberrypi sshd[31734]: Failed password for root from 85.209.0.251 port 33248 ssh2
Sep  4 02:16:23 raspberrypi sshd[31735]: Failed password for root from 85.209.0.251 port 33242 ssh2
...

Sep  3 23:37:59 electroncash sshd[12245]: Invalid user pia from 79.143.188.234 port 36844
Sep  3 23:37:59 electroncash sshd[12245]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=79.143.188.234 
Sep  3 23:37:59 electroncash sshd[12245]: Invalid user pia from 79.143.188.234 port 36844
Sep  3 23:38:01 electroncash sshd[12245]: Failed password for invalid user pia from 79.143.188.234 port 36844 ssh2
Sep  3 23:40:17 electroncash sshd[12917]: Invalid user ftptest from 79.143.188.234 port 47908
...

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

Sep  3 19:47:52 srv01 postfix/smtpd\[25076\]: warning: unknown\[117.69.154.5\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep  3 19:51:18 srv01 postfix/smtpd\[308\]: warning: unknown\[117.69.154.5\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep  3 19:54:45 srv01 postfix/smtpd\[775\]: warning: unknown\[117.69.154.5\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep  3 19:54:57 srv01 postfix/smtpd\[775\]: warning: unknown\[117.69.154.5\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep  3 19:55:13 srv01 postfix/smtpd\[775\]: warning: unknown\[117.69.154.5\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...

2020-09-04T04:40:21.025306hostname sshd[23143]: Invalid user admin4 from 148.102.25.170 port 58466
2020-09-04T04:40:23.231589hostname sshd[23143]: Failed password for invalid user admin4 from 148.102.25.170 port 58466 ssh2
2020-09-04T04:41:40.584911hostname sshd[23695]: Invalid user scan from 148.102.25.170 port 37474
...

[2020-09-03 19:48:26] NOTICE[1194] chan_sip.c: Registration from '' failed for '185.147.215.8:49776' - Wrong password
[2020-09-03 19:48:26] SECURITY[1233] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-09-03T19:48:26.394-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="6874",SessionID="0x7f2ddc0bf9a8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.147.215.8/49776",Challenge="031c16e8",ReceivedChallenge="031c16e8",ReceivedHash="dcda2c999308f71a4d767de10da94e8d"
[2020-09-03 19:49:08] NOTICE[1194] chan_sip.c: Registration from '' failed for '185.147.215.8:64653' - Wrong password
[2020-09-03 19:49:08] SECURITY[1233] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-09-03T19:49:08.665-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="5372",SessionID="0x7f2ddc0e4da8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.147.215.8
...

2020-09-04T00:03:49.520655abusebot-5.cloudsearch.cf sshd[9472]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=tor4thepeople3.torexitnode.net  user=root
2020-09-04T00:03:51.424836abusebot-5.cloudsearch.cf sshd[9472]: Failed password for root from 51.15.43.205 port 35032 ssh2
2020-09-04T00:03:53.397417abusebot-5.cloudsearch.cf sshd[9472]: Failed password for root from 51.15.43.205 port 35032 ssh2
2020-09-04T00:03:49.520655abusebot-5.cloudsearch.cf sshd[9472]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=tor4thepeople3.torexitnode.net  user=root
2020-09-04T00:03:51.424836abusebot-5.cloudsearch.cf sshd[9472]: Failed password for root from 51.15.43.205 port 35032 ssh2
2020-09-04T00:03:53.397417abusebot-5.cloudsearch.cf sshd[9472]: Failed password for root from 51.15.43.205 port 35032 ssh2
2020-09-04T00:03:49.520655abusebot-5.cloudsearch.cf sshd[9472]: pam_unix(sshd:auth): authentication failure; logname= ui
...

1599151630 - 09/03/2020 18:47:10 Host: 176.202.129.66/176.202.129.66 Port: 445 TCP Blocked

2020-09-03T23:40:39.065352abusebot.cloudsearch.cf sshd[25744]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=tor-exit-relay-8.anonymizing-proxy.digitalcourage.de  user=root
2020-09-03T23:40:41.146311abusebot.cloudsearch.cf sshd[25744]: Failed password for root from 185.220.102.254 port 16666 ssh2
2020-09-03T23:40:44.303547abusebot.cloudsearch.cf sshd[25744]: Failed password for root from 185.220.102.254 port 16666 ssh2
2020-09-03T23:40:39.065352abusebot.cloudsearch.cf sshd[25744]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=tor-exit-relay-8.anonymizing-proxy.digitalcourage.de  user=root
2020-09-03T23:40:41.146311abusebot.cloudsearch.cf sshd[25744]: Failed password for root from 185.220.102.254 port 16666 ssh2
2020-09-03T23:40:44.303547abusebot.cloudsearch.cf sshd[25744]: Failed password for root from 185.220.102.254 port 16666 ssh2
2020-09-03T23:40:39.065352abusebot.cloudsearch.cf sshd[25744]: pam_uni
...