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]

2020-09-04T18:18:21+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 16:44:51 lnxmail61 sshd[23906]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=200.186.127.210

2020-09-04T19:30:13.410494shield sshd\[25536\]: Invalid user ftpuser from 45.95.168.190 port 39638
2020-09-04T19:30:13.421941shield sshd\[25536\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.95.168.190
2020-09-04T19:30:15.907470shield sshd\[25536\]: Failed password for invalid user ftpuser from 45.95.168.190 port 39638 ssh2
2020-09-04T19:31:15.525093shield sshd\[25613\]: Invalid user postgres from 45.95.168.190 port 59968
2020-09-04T19:31:15.544048shield sshd\[25613\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.95.168.190

Sep  4 21:26:04 jane sshd[11662]: Failed password for root from 112.85.42.176 port 17970 ssh2
Sep  4 21:26:09 jane sshd[11662]: Failed password for root from 112.85.42.176 port 17970 ssh2
...

Sep  3 19:53:10 h2646465 sshd[6830]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=193.33.240.91  user=root
Sep  3 19:53:12 h2646465 sshd[6830]: Failed password for root from 193.33.240.91 port 46452 ssh2
Sep  3 20:05:19 h2646465 sshd[9079]: Invalid user user3 from 193.33.240.91
Sep  3 20:05:19 h2646465 sshd[9079]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=193.33.240.91
Sep  3 20:05:19 h2646465 sshd[9079]: Invalid user user3 from 193.33.240.91
Sep  3 20:05:21 h2646465 sshd[9079]: Failed password for invalid user user3 from 193.33.240.91 port 55803 ssh2
Sep  3 20:12:21 h2646465 sshd[9873]: Invalid user mona from 193.33.240.91
Sep  3 20:12:21 h2646465 sshd[9873]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=193.33.240.91
Sep  3 20:12:21 h2646465 sshd[9873]: Invalid user mona from 193.33.240.91
Sep  3 20:12:23 h2646465 sshd[9873]: Failed password for invalid user mona from 193.33.240

2020-09-04T12:52:33.717392linuxbox-skyline sshd[82272]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.190.51  user=root
2020-09-04T12:52:35.613963linuxbox-skyline sshd[82272]: Failed password for root from 106.13.190.51 port 54548 ssh2
...

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

Sep  4 17:28:52 gw1 sshd[17717]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.224.237.234
Sep  4 17:28:54 gw1 sshd[17717]: Failed password for invalid user qwt from 122.224.237.234 port 58187 ssh2
...

Honeypot attack, port: 445, PTR: 190-203-55-55.dyn.dsl.cantv.net.

(sshd) Failed SSH login from 93.64.5.34 (IT/Italy/net-93-64-5-34.cust.vodafonedsl.it): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Sep  4 15:14:06 amsweb01 sshd[1158]: Invalid user angel from 93.64.5.34 port 4730
Sep  4 15:14:08 amsweb01 sshd[1158]: Failed password for invalid user angel from 93.64.5.34 port 4730 ssh2
Sep  4 15:22:59 amsweb01 sshd[2432]: Invalid user yang from 93.64.5.34 port 11198
Sep  4 15:23:01 amsweb01 sshd[2432]: Failed password for invalid user yang from 93.64.5.34 port 11198 ssh2
Sep  4 15:26:29 amsweb01 sshd[3144]: Invalid user zz from 93.64.5.34 port 37844

Sep  3 18:43:57 mellenthin postfix/smtpd[20267]: NOQUEUE: reject: RCPT from unknown[190.234.46.124]: 554 5.7.1 Service unavailable; Client host [190.234.46.124] blocked using zen.spamhaus.org; https://www.spamhaus.org/sbl/query/SBLCSS / https://www.spamhaus.org/query/ip/190.234.46.124; from= to= proto=ESMTP helo=<[190.234.46.124]>

Sep  4 20:59:28 PorscheCustomer sshd[27257]: Failed password for root from 157.230.53.57 port 46952 ssh2
Sep  4 21:03:07 PorscheCustomer sshd[27322]: Failed password for root from 157.230.53.57 port 52588 ssh2
...

2020-09-04T18:10:20+0000 Failed SSH Authentication/Brute Force Attack. (Server 6)