Port scan: Attack repeated for 24 hours

 TCP (SYN) 193.228.91.109:56993 -> port 22, len 40

SSH_scan

Aug 21 18:52:56 cho sshd[1274975]: Invalid user sysadmin from 180.182.47.132 port 51620
Aug 21 18:52:56 cho sshd[1274975]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.182.47.132 
Aug 21 18:52:56 cho sshd[1274975]: Invalid user sysadmin from 180.182.47.132 port 51620
Aug 21 18:52:58 cho sshd[1274975]: Failed password for invalid user sysadmin from 180.182.47.132 port 51620 ssh2
Aug 21 18:57:15 cho sshd[1275235]: Invalid user tom from 180.182.47.132 port 54932
...

" "

Aug 21 18:23:45 ns382633 sshd\[14147\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=202.70.136.161  user=root
Aug 21 18:23:47 ns382633 sshd\[14147\]: Failed password for root from 202.70.136.161 port 35012 ssh2
Aug 21 18:27:23 ns382633 sshd\[15030\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=202.70.136.161  user=root
Aug 21 18:27:25 ns382633 sshd\[15030\]: Failed password for root from 202.70.136.161 port 45996 ssh2
Aug 21 18:28:37 ns382633 sshd\[15161\]: Invalid user pentaho from 202.70.136.161 port 60564
Aug 21 18:28:37 ns382633 sshd\[15161\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=202.70.136.161

SSH authentication failure x 6 reported by Fail2Ban
...

prod11
...

2020-08-21T13:56:35.403083mail.broermann.family sshd[25267]: Failed password for root from 118.24.100.198 port 48950 ssh2
2020-08-21T13:59:40.105363mail.broermann.family sshd[25377]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.24.100.198  user=root
2020-08-21T13:59:41.753450mail.broermann.family sshd[25377]: Failed password for root from 118.24.100.198 port 50774 ssh2
2020-08-21T14:02:44.835748mail.broermann.family sshd[25539]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.24.100.198  user=root
2020-08-21T14:02:47.076139mail.broermann.family sshd[25539]: Failed password for root from 118.24.100.198 port 52596 ssh2
...

Fraud Orders

Aug 21 11:12:27 askasleikir sshd[43712]: Failed password for invalid user admin from 112.33.13.124 port 34868 ssh2

Aug 21 19:23:22 sd-69548 sshd[136309]: Unable to negotiate with 222.186.180.147 port 14742: no matching key exchange method found. Their offer: diffie-hellman-group1-sha1,diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1 [preauth]
Aug 21 19:50:28 sd-69548 sshd[138152]: Unable to negotiate with 222.186.180.147 port 9800: no matching key exchange method found. Their offer: diffie-hellman-group1-sha1,diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1 [preauth]
...

2020-08-21 06:53:42.056469-0500  localhost smtpd[92968]: NOQUEUE: reject: RCPT from cst2-168-101.cust.vodafone.cz[31.30.168.101]: 554 5.7.1 Service unavailable; Client host [31.30.168.101] blocked using zen.spamhaus.org; https://www.spamhaus.org/query/ip/31.30.168.101; from= to= proto=ESMTP helo=

2020-08-21 15:46:28 dovecot_login authenticator failed for \(q7jfQUq\) \[173.254.208.250\]: 535 Incorrect authentication data \(set_id=info\)
2020-08-21 15:46:40 dovecot_login authenticator failed for \(UvfdDPd2pp\) \[173.254.208.250\]: 535 Incorrect authentication data \(set_id=info\)
2020-08-21 15:46:56 dovecot_login authenticator failed for \(12zucbHt\) \[173.254.208.250\]: 535 Incorrect authentication data \(set_id=info\)
2020-08-21 15:47:19 dovecot_login authenticator failed for \(9aIK1ol\) \[173.254.208.250\]: 535 Incorrect authentication data \(set_id=info\)
2020-08-21 15:47:42 dovecot_login authenticator failed for \(pKBTdgvM\) \[173.254.208.250\]: 535 Incorrect authentication data \(set_id=info\)
...

srvr1: (mod_security) mod_security (id:942100) triggered by 36.66.105.23 (ID/-/-): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_MODSEC; Logs: 2020/08/21 12:02:51 [error] 482759#0: *840279 [client 36.66.105.23] ModSecurity: Access denied with code 406 (phase 2).  [file "/etc/modsecurity.d/REQUEST-942-APPLICATION-ATTACK-SQLI.conf"] [line "45"] [id "942100"] [rev ""] [msg ""] [redacted] [severity "0"] [ver "OWASP_CRS/3.3.0"] [maturity "0"] [accuracy "0"] [tag "application-multi"] [tag "language-multi"] [tag "platform-multi"] [tag "attack-sqli"] [tag "paranoia-level/1"] [tag "OWASP_CRS"] [tag "capec/1000/152/248/66"] [tag "PCI/6.5.2"] [redacted] [uri "/forum/viewthread.php"] [unique_id "159801137179.562580"] [ref ""], client: 36.66.105.23, [redacted] request: "GET /forum/viewthread.php?thread_id=1122%27+OR+++%274865%27+%3D+%274865 HTTP/1.1" [redacted]