Sep  3 18:43:27 mellenthin postfix/smtpd[20267]: NOQUEUE: reject: RCPT from unknown[45.160.180.241]: 554 5.7.1 Service unavailable; Client host [45.160.180.241] blocked using zen.spamhaus.org; https://www.spamhaus.org/query/ip/45.160.180.241; from= to= proto=ESMTP helo=<241-180-160-45.conectnet.inf.br>

ET CINS Active Threat Intelligence Poor Reputation IP group 35 - port: 11733 proto: tcp cat: Misc Attackbytes: 60

1599151448 - 09/03/2020 18:44:08 Host: 171.231.172.0/171.231.172.0 Port: 445 TCP Blocked

Sep  4 18:59:27 marvibiene sshd[27256]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.198  user=root
Sep  4 18:59:29 marvibiene sshd[27256]: Failed password for root from 218.92.0.198 port 11590 ssh2
Sep  4 18:59:31 marvibiene sshd[27256]: Failed password for root from 218.92.0.198 port 11590 ssh2
Sep  4 18:59:27 marvibiene sshd[27256]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.198  user=root
Sep  4 18:59:29 marvibiene sshd[27256]: Failed password for root from 218.92.0.198 port 11590 ssh2
Sep  4 18:59:31 marvibiene sshd[27256]: Failed password for root from 218.92.0.198 port 11590 ssh2

Honeypot attack, port: 445, PTR: 190-203-28-182.dyn.dsl.cantv.net.

srvr3: (mod_security) mod_security (id:920350) triggered by 116.212.131.90 (AU/Australia/-): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_MODSEC; Logs: 2020/09/03 18:43:28 [error] 365944#0: *1946 [client 116.212.131.90] ModSecurity: Access denied with code 406 (phase 2). Matched "Operator `Rx' with parameter `^[\d.:]+$' against variable `REQUEST_HEADERS:Host'  [redacted] [file "/etc/modsecurity.d/REQUEST-920-PROTOCOL-ENFORCEMENT.conf"] [line "718"] [id "920350"] [rev ""] [msg "Host header is a numeric IP address"] [redacted] [severity "4"] [ver "OWASP_CRS/3.3.0"] [maturity "0"] [accuracy "0"] [tag "application-multi"] [tag "language-multi"] [tag "platform-multi"] [tag "attack-protocol"] [tag "paranoia-level/1"] [tag "OWASP_CRS"] [tag "capec/1000/210/272"] [tag "PCI/6.5.10"] [redacted] [uri "/"] [unique_id "159915140894.207379"] [ref "o0,14v21,14"], client: 116.212.131.90, [redacted] request: "GET / HTTP/1.1" [redacted]

Invalid user barry from 43.224.130.146 port 40584

Sep  4 15:59:38 rancher-0 sshd[1436591]: Invalid user svn from 50.115.168.10 port 48942
...

142.93.122.161 - - [04/Sep/2020:19:08:15 +0000] "GET /wp-login.php HTTP/1.1" 403 154 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"

Honeypot attack, port: 445, PTR: JOR022-8025.mylan.co.za.

2020-09-04T21:02:02+0200 Failed SSH Authentication/Brute Force Attack. (Server 9)

Sep  4 21:07:51 srv01 postfix/smtpd\[23188\]: warning: unknown\[45.142.120.83\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep  4 21:07:53 srv01 postfix/smtpd\[12650\]: warning: unknown\[45.142.120.83\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep  4 21:08:00 srv01 postfix/smtpd\[23188\]: warning: unknown\[45.142.120.83\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep  4 21:08:20 srv01 postfix/smtpd\[23188\]: warning: unknown\[45.142.120.83\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep  4 21:08:29 srv01 postfix/smtpd\[12650\]: warning: unknown\[45.142.120.83\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...

Sep  4 20:53:34 master sshd[30461]: Invalid user admin from 51.254.143.96 port 38676
Sep  4 20:53:35 master sshd[30463]: Invalid user admin from 51.254.143.96 port 38822
...

Sep  4 16:07:25 vps46666688 sshd[942]: Failed password for root from 218.92.0.223 port 51239 ssh2
Sep  4 16:07:38 vps46666688 sshd[942]: error: maximum authentication attempts exceeded for root from 218.92.0.223 port 51239 ssh2 [preauth]
...

Honeypot attack, port: 445, PTR: 201-63-224-82.customer.tdatabrasil.net.br.