[Sun Sep 13 23:56:33.584075 2020] [:error] [pid 32346:tid 140175879415552] [client 178.154.200.250:58022] [client 178.154.200.250] 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 "X15PQTGicopo-RlqvxhcjQAAADM"]
...

[Sun Sep 13 23:56:33.584075 2020] [:error] [pid 32346:tid 140175879415552] [client 178.154.200.250:58022] [client 178.154.200.250] 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 "X15PQTGicopo-RlqvxhcjQAAADM"]
...

[Sun Sep 13 23:56:33.584075 2020] [:error] [pid 32346:tid 140175879415552] [client 178.154.200.250:58022] [client 178.154.200.250] 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 "X15PQTGicopo-RlqvxhcjQAAADM"]
...

[Thu Aug 27 03:54:29.656757 2020] [:error] [pid 12856:tid 139707014960896] [client 178.154.200.158:35276] [client 178.154.200.158] 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 "X0bMBbbFfhRg2ZafeF3RKAAAAng"]
...

[Tue Aug 25 10:57:34.802046 2020] [:error] [pid 16357:tid 139693591447296] [client 178.154.200.149:50360] [client 178.154.200.149] 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 "X0SMLk-qCMz0@feJdtpXZgAAAhw"]
...

\[Sun Aug 23 05:44:51.733362 2020\] \[access_compat:error\] \[pid 4347:tid 140481443747584\] \[client 178.154.200.63:57608\] AH01797: client denied by server configuration: /web/auskunft-vom-anwalt/www/htdocs_cms/robots.txt
\[Sun Aug 23 05:44:55.437012 2020\] \[access_compat:error\] \[pid 4347:tid 140481258284800\] \[client 178.154.200.63:57608\] AH01797: client denied by server configuration: /web/auskunft-vom-anwalt/www/htdocs_cms/images/content/Formulare/Beratungshilfe_-_Hinweis_Trennung_und_Trennungsfolgen.pdf
\[Sun Aug 23 05:46:15.483541 2020\] \[access_compat:error\] \[pid 4347:tid 140481291855616\] \[client 178.154.200.63:43708\] AH01797: client denied by server configuration: /web/auskunft-vom-anwalt/www/htdocs_cms/robots.txt
...

[Sat Aug 15 19:23:51.486787 2020] [:error] [pid 3316:tid 140592466097920] [client 178.154.200.165:54044] [client 178.154.200.165] 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 "XzfT1@a0Xgxjnrgkau-8CQAAAnY"]
...

\[Fri Aug 14 22:44:04.529308 2020\] \[access_compat:error\] \[pid 27760:tid 140226840188672\] \[client 178.154.200.127:56728\] AH01797: client denied by server configuration: /web/auskunft-vom-anwalt/www/htdocs_cms/robots.txt
\[Fri Aug 14 22:44:04.584122 2020\] \[access_compat:error\] \[pid 27760:tid 140226924115712\] \[client 178.154.200.127:56748\] AH01797: client denied by server configuration: /web/auskunft-vom-anwalt/www/htdocs_cms/robots.txt
\[Fri Aug 14 22:44:08.336727 2020\] \[access_compat:error\] \[pid 27760:tid 140226773047040\] \[client 178.154.200.127:56748\] AH01797: client denied by server configuration: /web/auskunft-vom-anwalt/www/htdocs_cms/
...

[Tue Aug 11 10:49:33.321859 2020] [:error] [pid 19465:tid 140057314944768] [client 178.154.200.122:65194] [client 178.154.200.122] 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 "XzIVTdzgF2SfWiRKtxiNYgAAAkk"]
...

[Tue Aug 04 10:55:00.481534 2020] [:error] [pid 26494:tid 140012531209984] [client 178.154.200.11:34398] [client 178.154.200.11] 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 "XyjcFK8PEQtT1ZMVdhNhygAAAcI"]
...

[Wed Jul 29 10:55:01.250670 2020] [:error] [pid 1362:tid 139958750947072] [client 178.154.200.96:38568] [client 178.154.200.96] 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 "XyDzFYGmph-FwvDnyaBUAQAAAv0"]
...

[Sat Jul 18 04:29:14.345190 2020] [:error] [pid 27411:tid 140632580220672] [client 178.154.200.123:36764] [client 178.154.200.123] 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 "XxIYKig@LZXU8xWoASxPNQAAAcM"]
...

[Mon Jul 13 10:51:06.538711 2020] [:error] [pid 30530:tid 140046016689920] [client 178.154.200.39:40004] [client 178.154.200.39] 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 "XwvaKvvjnV@Mxc3IIkH3@AAAAZY"]
...

[Fri Jul 10 10:49:55.306005 2020] [:error] [pid 10596:tid 140046008297216] [client 178.154.200.49:40114] [client 178.154.200.49] 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 "XwflYwyyfZuVP@0p3es30QAAAv8"]
...

ignores 403

3389BruteforceFW23

$f2bV_matches

Dec 27 17:43:54 vmanager6029 postfix/smtpd\[11621\]: warning: unknown\[46.38.144.179\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Dec 27 17:46:54 vmanager6029 postfix/smtpd\[11573\]: warning: unknown\[46.38.144.179\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6

SIP/5060 Probe, BF, Hack -

\[2019-12-27 11:30:30\] NOTICE\[2839\] chan_sip.c: Registration from '"333" \' failed for '45.143.220.136:5432' - Wrong password
\[2019-12-27 11:30:30\] SECURITY\[2857\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-12-27T11:30:30.244-0500",Severity="Error",Service="SIP",EventVersion="2",AccountID="333",SessionID="0x7f0fb4a5a908",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.143.220.136/5432",Challenge="15e0ec8f",ReceivedChallenge="15e0ec8f",ReceivedHash="b688c22aac55ac1330fc6a20c75e625d"
\[2019-12-27 11:30:30\] NOTICE\[2839\] chan_sip.c: Registration from '"333" \' failed for '45.143.220.136:5432' - Wrong password
\[2019-12-27 11:30:30\] SECURITY\[2857\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-12-27T11:30:30.347-0500",Severity="Error",Service="SIP",EventVersion="2",AccountID="333",SessionID="0x7f0fb480ae28",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/4

Unauthorized connection attempt detected from IP address 27.224.137.129 to port 1024

Automatic report - Banned IP Access

SIP/5060 Probe, BF, Hack -

Dec 24 03:59:39 mail sshd[9357]: Failed password for invalid user debian from 132.145.173.64 port 43004 ssh2
Dec 24 03:59:39 mail sshd[9357]: Received disconnect from 132.145.173.64: 11: Bye Bye [preauth]
Dec 24 04:01:14 mail sshd[9417]: Failed password for invalid user test from 132.145.173.64 port 56924 ssh2


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=132.145.173.64

Dec 27 17:29:27 jane sshd[22766]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.152.195.84 
Dec 27 17:29:29 jane sshd[22766]: Failed password for invalid user guest from 122.152.195.84 port 60200 ssh2
...

12/27/2019-17:46:02.634606 35.160.48.160 Protocol: 6 SURICATA TLS invalid record/traffic

Dec 27 17:11:17 dev0-dcde-rnet sshd[30826]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.254.37.192
Dec 27 17:11:19 dev0-dcde-rnet sshd[30826]: Failed password for invalid user oracle1 from 51.254.37.192 port 56942 ssh2
Dec 27 17:21:48 dev0-dcde-rnet sshd[30865]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.254.37.192

" "

2019-12-27 10:38:41 dovecot_plain authenticator failed for ([78.128.113.171]) [78.128.113.171]:52996 I=[192.147.25.65]:25: 535 Incorrect authentication data (set_id=rs@lerctr.org)
2019-12-27 10:38:48 dovecot_plain authenticator failed for ([78.128.113.171]) [78.128.113.171]:21004 I=[192.147.25.65]:25: 535 Incorrect authentication data (set_id=rs@lerctr.org)
2019-12-27 10:39:54 dovecot_plain authenticator failed for ([78.128.113.171]) [78.128.113.171]:37932 I=[192.147.25.65]:25: 535 Incorrect authentication data (set_id=lesman@lerctr.org)
...

3389BruteforceFW23