$f2bV_matches

Jul 14 23:28:34 gw1 sshd[31535]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=116.196.124.159
Jul 14 23:28:35 gw1 sshd[31535]: Failed password for invalid user steam from 116.196.124.159 port 54643 ssh2
...

1594751302 - 07/14/2020 20:28:22 Host: 187.159.116.86/187.159.116.86 Port: 445 TCP Blocked

Jul 14 20:28:07 sshgateway sshd\[7476\]: Invalid user sahil from 222.168.18.227
Jul 14 20:28:07 sshgateway sshd\[7476\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.168.18.227
Jul 14 20:28:09 sshgateway sshd\[7476\]: Failed password for invalid user sahil from 222.168.18.227 port 51211 ssh2

$f2bV_matches

Jul 14 20:28:31 sso sshd[6422]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=101.96.113.50
Jul 14 20:28:33 sso sshd[6422]: Failed password for invalid user simaqie from 101.96.113.50 port 40952 ssh2
...

$f2bV_matches

Jul 14 20:28:19 mellenthin postfix/smtpd[19224]: NOQUEUE: reject: RCPT from unknown[197.246.224.221]: 554 5.7.1 Service unavailable; Client host [197.246.224.221] blocked using zen.spamhaus.org; https://www.spamhaus.org/query/ip/197.246.224.221; from= to= proto=ESMTP helo=<[197.246.224.221]>

Hei Adrian

Honeypot attack, port: 445, PTR: 190.74-107-203.dyn.dsl.cantv.net.

Jul 14 20:43:31 electroncash sshd[37745]: Invalid user student from 175.126.176.21 port 33994
Jul 14 20:43:31 electroncash sshd[37745]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.126.176.21 
Jul 14 20:43:31 electroncash sshd[37745]: Invalid user student from 175.126.176.21 port 33994
Jul 14 20:43:33 electroncash sshd[37745]: Failed password for invalid user student from 175.126.176.21 port 33994 ssh2
Jul 14 20:47:11 electroncash sshd[38706]: Invalid user postgres from 175.126.176.21 port 59360
...

[Wed Jul 15 01:28:22.702077 2020] [:error] [pid 13074:tid 140254315534080] [client 173.252.95.36:64308] [client 173.252.95.36] ModSecurity: Access denied with code 403 (phase 2). Match of "eq 0" against "&REQUEST_HEADERS:Transfer-Encoding" required. [file "/etc/modsecurity/owasp-modsecurity-crs-3.2.0/rules/REQUEST-920-PROTOCOL-ENFORCEMENT.conf"] [line "202"] [id "920171"] [msg "GET or HEAD Request with Transfer-Encoding."] [data "1"] [severity "CRITICAL"] [ver "OWASP_CRS/3.2.0"] [tag "application-multi"] [tag "language-multi"] [tag "platform-multi"] [tag "attack-protocol"] [tag "OWASP_CRS"] [tag "OWASP_CRS/PROTOCOL_VIOLATION/INVALID_HREQ"] [tag "CAPEC-272"] [hostname "karangploso.jatim.bmkg.go.id"] [uri "/script-v49.js"] [unique_id "Xw35Rp6BljNWiMsO2yWGSwABwwM"]
...

Unauthorised connection attempt detected at AUO FR1 NODE2. System is sshd. Protected by AUO Stack Web Application Firewall (WAF)

2020-07-14 20:47:30 dovecot_login authenticator failed for \(User\) \[185.143.73.62\]: 535 Incorrect authentication data \(set_id=commentid@no-server.de\)
2020-07-14 20:47:36 dovecot_login authenticator failed for \(User\) \[185.143.73.62\]: 535 Incorrect authentication data \(set_id=commentid@no-server.de\)
2020-07-14 20:47:37 dovecot_login authenticator failed for \(User\) \[185.143.73.62\]: 535 Incorrect authentication data \(set_id=commentid@no-server.de\)
2020-07-14 20:47:55 dovecot_login authenticator failed for \(User\) \[185.143.73.62\]: 535 Incorrect authentication data \(set_id=lebron23@no-server.de\)
2020-07-14 20:48:05 dovecot_login authenticator failed for \(User\) \[185.143.73.62\]: 535 Incorrect authentication data \(set_id=lebron23@no-server.de\)
2020-07-14 20:48:07 dovecot_login authenticator failed for \(User\) \[185.143.73.62\]: 535 Incorrect authentication data \(set_id=lebron23@no-server.de\)
...

Jul 14 11:28:29 propaganda sshd[41003]: Connection from 172.245.66.53 port 47286 on 10.0.0.160 port 22 rdomain ""
Jul 14 11:28:29 propaganda sshd[41003]: Connection closed by 172.245.66.53 port 47286 [preauth]