[Tue Sep 01 04:11:17.753727 2020] [:error] [pid 9470:tid 140501331568384] [client 5.45.207.88:64648] [client 5.45.207.88] ModSecurity: Access denied with code 403 (phase 2). Pattern match "^[\\\\d.:]+$" at REQUEST_HEADERS:Host. [file "/etc/modsecurity/owasp-modsecurity-crs-3.2.0/rules/REQUEST-920-PROTOCOL-ENFORCEMENT.conf"] [line "696"] [id "920350"] [msg "Host header is a numeric IP address"] [data "103.27.207.197"] [severity "WARNING"] [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/IP_HOST"] [tag "WASCTC/WASC-21"] [tag "OWASP_TOP_10/A7"] [tag "PCI/6.5.10"] [hostname "103.27.207.197"] [uri "/"] [unique_id "X01ndc80y9t-9ILXj1vO2AAAAZU"]
...

[Tue Aug 11 03:32:15.192015 2020] [:error] [pid 30746:tid 140057298159360] [client 5.45.207.88:48768] [client 5.45.207.88] ModSecurity: Access denied with code 403 (phase 2). Pattern match "^[\\\\d.:]+$" at REQUEST_HEADERS:Host. [file "/etc/modsecurity/owasp-modsecurity-crs-3.2.0/rules/REQUEST-920-PROTOCOL-ENFORCEMENT.conf"] [line "696"] [id "920350"] [msg "Host header is a numeric IP address"] [data "103.27.207.197"] [severity "WARNING"] [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/IP_HOST"] [tag "WASCTC/WASC-21"] [tag "OWASP_TOP_10/A7"] [tag "PCI/6.5.10"] [hostname "103.27.207.197"] [uri "/"] [unique_id "XzGuzyk7w1nLo8eepFxxVwAAAcQ"]
...

[Tue Aug 11 10:56:49.734629 2020] [:error] [pid 19455:tid 140057306552064] [client 5.45.207.94:37330] [client 5.45.207.94] ModSecurity: Access denied with code 403 (phase 2). Pattern match "^[\\\\d.:]+$" at REQUEST_HEADERS:Host. [file "/etc/modsecurity/owasp-modsecurity-crs-3.2.0/rules/REQUEST-920-PROTOCOL-ENFORCEMENT.conf"] [line "696"] [id "920350"] [msg "Host header is a numeric IP address"] [data "103.27.207.197"] [severity "WARNING"] [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/IP_HOST"] [tag "WASCTC/WASC-21"] [tag "OWASP_TOP_10/A7"] [tag "PCI/6.5.10"] [hostname "103.27.207.197"] [uri "/"] [unique_id "XzIXAY2IHCpQDyFxIRt-lwAAAh0"]
...

[Sun Aug 09 03:27:36.430876 2020] [:error] [pid 19156:tid 139707879249664] [client 5.45.207.111:42928] [client 5.45.207.111] ModSecurity: Access denied with code 403 (phase 2). Pattern match "^[\\\\d.:]+$" at REQUEST_HEADERS:Host. [file "/etc/modsecurity/owasp-modsecurity-crs-3.2.0/rules/REQUEST-920-PROTOCOL-ENFORCEMENT.conf"] [line "696"] [id "920350"] [msg "Host header is a numeric IP address"] [data "103.27.207.197"] [severity "WARNING"] [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/IP_HOST"] [tag "WASCTC/WASC-21"] [tag "OWASP_TOP_10/A7"] [tag "PCI/6.5.10"] [hostname "103.27.207.197"] [uri "/"] [unique_id "Xy8KuAUUvH8N7JZaYTxdagAAAOM"]
...

[Mon Aug 03 10:51:39.015515 2020] [:error] [pid 22514:tid 139830302336768] [client 5.45.207.177:42110] [client 5.45.207.177] ModSecurity: Access denied with code 403 (phase 2). Pattern match "^[\\\\d.:]+$" at REQUEST_HEADERS:Host. [file "/etc/modsecurity/owasp-modsecurity-crs-3.2.0/rules/REQUEST-920-PROTOCOL-ENFORCEMENT.conf"] [line "696"] [id "920350"] [msg "Host header is a numeric IP address"] [data "103.27.207.197"] [severity "WARNING"] [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/IP_HOST"] [tag "WASCTC/WASC-21"] [tag "OWASP_TOP_10/A7"] [tag "PCI/6.5.10"] [hostname "103.27.207.197"] [uri "/"] [unique_id "XyeJy0p5PjKgr7OOrm7fNgAAAZY"]
...

[Thu Jul 30 10:52:14.917654 2020] [:error] [pid 28475:tid 139696495654656] [client 5.45.207.123:58220] [client 5.45.207.123] ModSecurity: Access denied with code 403 (phase 2). Pattern match "^[\\\\d.:]+$" at REQUEST_HEADERS:Host. [file "/etc/modsecurity/owasp-modsecurity-crs-3.2.0/rules/REQUEST-920-PROTOCOL-ENFORCEMENT.conf"] [line "696"] [id "920350"] [msg "Host header is a numeric IP address"] [data "103.27.207.197"] [severity "WARNING"] [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/IP_HOST"] [tag "WASCTC/WASC-21"] [tag "OWASP_TOP_10/A7"] [tag "PCI/6.5.10"] [hostname "103.27.207.197"] [uri "/"] [unique_id "XyJD7ujKcdw7gUO@Ui85rQAAAkk"]
...

[Wed Apr 01 10:56:04.630557 2020] [:error] [pid 10727:tid 140071088940800] [client 5.45.207.56:57457] [client 5.45.207.56] ModSecurity: Access denied with code 403 (phase 2). Pattern match "^[\\\\d.:]+$" at REQUEST_HEADERS:Host. [file "/etc/modsecurity/owasp-modsecurity-crs-3.2.0/rules/REQUEST-920-PROTOCOL-ENFORCEMENT.conf"] [line "696"] [id "920350"] [msg "Host header is a numeric IP address"] [data "103.27.207.197"] [severity "WARNING"] [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/IP_HOST"] [tag "WASCTC/WASC-21"] [tag "OWASP_TOP_10/A7"] [tag "PCI/6.5.10"] [hostname "103.27.207.197"] [uri "/"] [unique_id "XoQQ1NBzsI9Mdj5KTf4lLAAAAko"]
...

[Mon Mar 30 10:56:13.073433 2020] [:error] [pid 4522:tid 140217289807616] [client 5.45.207.85:60839] [client 5.45.207.85] ModSecurity: Access denied with code 403 (phase 2). Pattern match "^[\\\\d.:]+$" at REQUEST_HEADERS:Host. [file "/etc/modsecurity/owasp-modsecurity-crs-3.2.0/rules/REQUEST-920-PROTOCOL-ENFORCEMENT.conf"] [line "696"] [id "920350"] [msg "Host header is a numeric IP address"] [data "103.27.207.197"] [severity "WARNING"] [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/IP_HOST"] [tag "WASCTC/WASC-21"] [tag "OWASP_TOP_10/A7"] [tag "PCI/6.5.10"] [hostname "103.27.207.197"] [uri "/"] [unique_id "XoFt3d-uWogOK2yIquIrSQAAALQ"]
...

[Mon Mar 30 04:33:36.654411 2020] [:error] [pid 3483:tid 140228517943040] [client 5.45.207.34:59106] [client 5.45.207.34] ModSecurity: Access denied with code 403 (phase 2). Pattern match "^[\\\\d.:]+$" at REQUEST_HEADERS:Host. [file "/etc/modsecurity/owasp-modsecurity-crs-3.2.0/rules/REQUEST-920-PROTOCOL-ENFORCEMENT.conf"] [line "696"] [id "920350"] [msg "Host header is a numeric IP address"] [data "103.27.207.197"] [severity "WARNING"] [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/IP_HOST"] [tag "WASCTC/WASC-21"] [tag "OWASP_TOP_10/A7"] [tag "PCI/6.5.10"] [hostname "103.27.207.197"] [uri "/"] [unique_id "XoEUMJhrvS4MEWGwWoJsDQAAAcQ"]
...

[Sat Mar 21 16:16:07.655650 2020] [:error] [pid 29969:tid 139790909433600] [client 5.45.207.56:41475] [client 5.45.207.56] ModSecurity: Access denied with code 403 (phase 2). Pattern match "^[\\\\d.:]+$" at REQUEST_HEADERS:Host. [file "/etc/modsecurity/owasp-modsecurity-crs-3.2.0/rules/REQUEST-920-PROTOCOL-ENFORCEMENT.conf"] [line "696"] [id "920350"] [msg "Host header is a numeric IP address"] [data "103.27.207.197"] [severity "WARNING"] [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/IP_HOST"] [tag "WASCTC/WASC-21"] [tag "OWASP_TOP_10/A7"] [tag "PCI/6.5.10"] [hostname "103.27.207.197"] [uri "/"] [unique_id "XnXbV4CB6lboewYmzyBR0QAAAOM"]
...

[Wed Mar 18 11:56:23.095711 2020] [:error] [pid 7194:tid 139937944954624] [client 5.45.207.74:40273] [client 5.45.207.74] ModSecurity: Access denied with code 403 (phase 2). Pattern match "^[\\\\d.:]+$" at REQUEST_HEADERS:Host. [file "/etc/modsecurity/owasp-modsecurity-crs-3.2.0/rules/REQUEST-920-PROTOCOL-ENFORCEMENT.conf"] [line "696"] [id "920350"] [msg "Host header is a numeric IP address"] [data "103.27.207.197"] [severity "WARNING"] [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/IP_HOST"] [tag "WASCTC/WASC-21"] [tag "OWASP_TOP_10/A7"] [tag "PCI/6.5.10"] [hostname "103.27.207.197"] [uri "/"] [unique_id "XnGp9yDR2vdY1fmOmBU-ZQAAADg"]
...

[Fri Mar 06 23:24:39.435965 2020] [:error] [pid 11146:tid 140702743975680] [client 5.45.207.56:43327] [client 5.45.207.56] ModSecurity: Access denied with code 403 (phase 2). Pattern match "^[\\\\d.:]+$" at REQUEST_HEADERS:Host. [file "/etc/modsecurity/owasp-modsecurity-crs-3.2.0/rules/REQUEST-920-PROTOCOL-ENFORCEMENT.conf"] [line "696"] [id "920350"] [msg "Host header is a numeric IP address"] [data "103.27.207.197"] [severity "WARNING"] [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/IP_HOST"] [tag "WASCTC/WASC-21"] [tag "OWASP_TOP_10/A7"] [tag "PCI/6.5.10"] [hostname "103.27.207.197"] [uri "/"] [unique_id "XmJ5R7jUlygp8fQxkNutwgAAARU"]
...

[Sat Mar 07 00:11:51.307505 2020] [:error] [pid 1466:tid 140639952922368] [client 5.45.207.74:52503] [client 5.45.207.74] ModSecurity: Access denied with code 403 (phase 2). Pattern match "^[\\\\d.:]+$" at REQUEST_HEADERS:Host. [file "/etc/modsecurity/owasp-modsecurity-crs-3.2.0/rules/REQUEST-920-PROTOCOL-ENFORCEMENT.conf"] [line "696"] [id "920350"] [msg "Host header is a numeric IP address"] [data "103.27.207.197"] [severity "WARNING"] [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/IP_HOST"] [tag "WASCTC/WASC-21"] [tag "OWASP_TOP_10/A7"] [tag "PCI/6.5.10"] [hostname "103.27.207.197"] [uri "/"] [unique_id "XmKEVyC0S6lpJGq8Q9Wl5wAAAUw"]
...

[Fri Mar 06 20:30:39.389609 2020] [:error] [pid 26595:tid 139872827418368] [client 5.45.207.51:49079] [client 5.45.207.51] ModSecurity: Access denied with code 403 (phase 2). Pattern match "^[\\\\d.:]+$" at REQUEST_HEADERS:Host. [file "/etc/modsecurity/owasp-modsecurity-crs-3.2.0/rules/REQUEST-920-PROTOCOL-ENFORCEMENT.conf"] [line "696"] [id "920350"] [msg "Host header is a numeric IP address"] [data "103.27.207.197"] [severity "WARNING"] [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/IP_HOST"] [tag "WASCTC/WASC-21"] [tag "OWASP_TOP_10/A7"] [tag "PCI/6.5.10"] [hostname "103.27.207.197"] [uri "/"] [unique_id "XmJQf2lXbwP3h6mEJ7pcNwAAAAE"]
...

[Thu Mar 05 21:00:08.835786 2020] [:error] [pid 5450:tid 139673678640896] [client 5.45.207.56:35837] [client 5.45.207.56] ModSecurity: Access denied with code 403 (phase 2). Pattern match "^[\\\\d.:]+$" at REQUEST_HEADERS:Host. [file "/etc/modsecurity/owasp-modsecurity-crs-3.2.0/rules/REQUEST-920-PROTOCOL-ENFORCEMENT.conf"] [line "696"] [id "920350"] [msg "Host header is a numeric IP address"] [data "103.27.207.197"] [severity "WARNING"] [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/IP_HOST"] [tag "WASCTC/WASC-21"] [tag "OWASP_TOP_10/A7"] [tag "PCI/6.5.10"] [hostname "103.27.207.197"] [uri "/"] [unique_id "XmEF6EZj0RccgXB5HAs1jQAAAUo"]
...

[Thu Mar 05 20:35:09.077839 2020] [:error] [pid 2076:tid 139658339280640] [client 5.45.207.74:50527] [client 5.45.207.74] ModSecurity: Access denied with code 403 (phase 2). Pattern match "^[\\\\d.:]+$" at REQUEST_HEADERS:Host. [file "/etc/modsecurity/owasp-modsecurity-crs-3.2.0/rules/REQUEST-920-PROTOCOL-ENFORCEMENT.conf"] [line "696"] [id "920350"] [msg "Host header is a numeric IP address"] [data "103.27.207.197"] [severity "WARNING"] [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/IP_HOST"] [tag "WASCTC/WASC-21"] [tag "OWASP_TOP_10/A7"] [tag "PCI/6.5.10"] [hostname "103.27.207.197"] [uri "/"] [unique_id "XmEADdNqPnL4hDn@SrG94wAAADs"]
...

[Tue Mar 03 12:28:24.449172 2020] [:error] [pid 20431:tid 140628089321216] [client 5.45.207.56:45153] [client 5.45.207.56] ModSecurity: Access denied with code 403 (phase 2). Pattern match "^[\\\\d.:]+$" at REQUEST_HEADERS:Host. [file "/etc/modsecurity/owasp-modsecurity-crs-3.2.0/rules/REQUEST-920-PROTOCOL-ENFORCEMENT.conf"] [line "696"] [id "920350"] [msg "Host header is a numeric IP address"] [data "103.27.207.197"] [severity "WARNING"] [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/IP_HOST"] [tag "WASCTC/WASC-21"] [tag "OWASP_TOP_10/A7"] [tag "PCI/6.5.10"] [hostname "103.27.207.197"] [uri "/"] [unique_id "Xl3q@DnZbsQREE7Iv0NoHAAAAAE"]
...

prod11
...

Port Scanner

Jun  3 05:19:43 vps46666688 sshd[29081]: Failed password for root from 167.71.60.250 port 40690 ssh2
...

Jun  3 04:36:07 localhost sshd\[24008\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=120.92.91.176  user=root
Jun  3 04:36:10 localhost sshd\[24008\]: Failed password for root from 120.92.91.176 port 2488 ssh2
Jun  3 04:40:12 localhost sshd\[24062\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=120.92.91.176  user=root
...

"XSS Attack Detected via libinjection - Matched Data: XSS data found within ARGS_NAMES:

Jun  3 12:38:34 [host] sshd[25050]: pam_unix(sshd:
Jun  3 12:38:36 [host] sshd[25050]: Failed passwor
Jun  3 12:42:00 [host] sshd[25561]: pam_unix(sshd:

"Unauthorized connection attempt on SSHD detected"

Jun  3 12:48:08 piServer sshd[2372]: Failed password for root from 167.99.234.170 port 37866 ssh2
Jun  3 12:50:04 piServer sshd[2567]: Failed password for root from 167.99.234.170 port 41312 ssh2
...

SSH Bruteforce Attempt (failed auth)

[2020-06-03 07:05:07] NOTICE[1288] chan_sip.c: Registration from '' failed for '62.171.144.195:37480' - Wrong password
[2020-06-03 07:05:07] SECURITY[1303] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-06-03T07:05:07.117-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="stefan",SessionID="0x7f4d740397b8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/62.171.144.195/37480",Challenge="53cc4028",ReceivedChallenge="53cc4028",ReceivedHash="9f871d609fbe72717648a587adc67eaf"
[2020-06-03 07:06:27] NOTICE[1288] chan_sip.c: Registration from '' failed for '62.171.144.195:51951' - Wrong password
[2020-06-03 07:06:27] SECURITY[1303] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-06-03T07:06:27.117-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="bart",SessionID="0x7f4d740397b8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/62.171
...

Jun  2 20:18:01 eddieflores sshd\[2916\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.102.136  user=root
Jun  2 20:18:03 eddieflores sshd\[2916\]: Failed password for root from 180.76.102.136 port 37666 ssh2
Jun  2 20:20:54 eddieflores sshd\[3129\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.102.136  user=root
Jun  2 20:20:56 eddieflores sshd\[3129\]: Failed password for root from 180.76.102.136 port 56088 ssh2
Jun  2 20:24:01 eddieflores sshd\[3394\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.102.136  user=root

SSH authentication failure x 6 reported by Fail2Ban
...

Lines containing failures of 104.223.143.205 (max 1000)
Jun  1 20:25:13 localhost sshd[27629]: User r.r from 104.223.143.205 not allowed because listed in DenyUsers
Jun  1 20:25:13 localhost sshd[27629]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.223.143.205  user=r.r
Jun  1 20:25:15 localhost sshd[27629]: Failed password for invalid user r.r from 104.223.143.205 port 45864 ssh2
Jun  1 20:25:17 localhost sshd[27629]: Received disconnect from 104.223.143.205 port 45864:11: Bye Bye [preauth]
Jun  1 20:25:17 localhost sshd[27629]: Disconnected from invalid user r.r 104.223.143.205 port 45864 [preauth]
Jun  1 21:04:25 localhost sshd[4660]: User r.r from 104.223.143.205 not allowed because listed in DenyUsers
Jun  1 21:04:25 localhost sshd[4660]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.223.143.205  user=r.r
Jun  1 21:04:27 localhost sshd[4660]: Failed password for invalid user........
------------------------------

5x Failed Password

chaangnoifulda.de 74.208.10.42 [03/Jun/2020:05:48:15 +0200] "POST /wp-login.php HTTP/1.1" 200 6002 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
chaangnoifulda.de 74.208.10.42 [03/Jun/2020:05:48:15 +0200] "POST /xmlrpc.php HTTP/1.1" 200 4065 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"