[Thu Aug 06 12:23:38.494827 2020] [:error] [pid 29040:tid 139707929605888] [client 173.252.87.5:47158] [client 173.252.87.5] 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 "/OneSignalSDKWorker-v3.js"] [unique_id "XyuT2ql7lzIlOlwPRWmKDwAAWgI"], referer: https://karangploso.jatim.bmkg.go.id/OneSignalSDKWorker-v3.js
...

[Sat Apr 11 10:54:30.867634 2020] [:error] [pid 12516:tid 140248685823744] [client 173.252.87.5:48766] [client 173.252.87.5] 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 "/images/Klimatologi/Prakiraan/04_Prakiraan_6_Bulanan/Prakiraan_Musim/Prakiraan_Musim_Kemarau/Provinsi_Jawa_Timur/2020/Peta_Prakiraan_Sifat_Hujan_Musim_Kemarau_Tahun_2020_Zona_Musim_di_Provinsi_Jawa_Timur-600.jpg"] [unique_id "XpE-dipVAdkA7GWDJ8Ns2wAAAAE"]
...

[Thu Jun 11 02:21:20.986816 2020] [:error] [pid 6540:tid 140673151084288] [client 173.252.87.113:40618] [client 173.252.87.113] 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 "/index.php/prakiraan-iklim/prakiraan-dasarian/prakiraan-dasarian-daerah-potensi-banjir/555558090-prakiraan-dasarian-daerah-potensi-banjir-di-provinsi-jawa-timur-untuk-bulan-juli-dasarian-i-tanggal-1-10-tahun-2020-update-10-juni-2020"] [unique_id "XuEysKTRXfj3HWW4mb6XDQACHgE"]
...

[Thu Jun 11 02:21:23.644131 2020] [:error] [pid 6458:tid 140673159476992] [client 173.252.87.15:56878] [client 173.252.87.15] 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 "/TableFilter/system-v116.css"] [unique_id "XuEys3mwliXNF7a8gaYqIgAB8AI"]
...

[Thu Jun 11 02:21:23.632724 2020] [:error] [pid 6144:tid 140673151084288] [client 173.252.87.116:44918] [client 173.252.87.116] 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 "/IcoMoon.woff"] [unique_id "XuEysyvgppKIBnaVaYZPPAABwgE"]
...

WEB_SERVER 403 Forbidden

[Sun Apr 12 10:50:12.075241 2020] [:error] [pid 3625:tid 140295004800768] [client 173.252.87.39:49662] [client 173.252.87.39] 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 "/index.php/prakiraan-iklim/prakiraan-dasarian/prakiraan-dasarian-daerah-potensi-banjir/555557973-prakiraan-dasarian-daerah-potensi-banjir-di-provinsi-jawa-timur-untuk-bulan-april-dasarian-iii-tanggal-21-30-tahun-2020-update-10-april-2020"] [unique_id "XpKP9KLL@8cf6BWsPUlIZgAAAAE"]
...

[Sun Apr 12 10:50:14.537271 2020] [:error] [pid 3610:tid 140294988015360] [client 173.252.87.45:34642] [client 173.252.87.45] 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 "/TableFilter/system-v98.css"] [unique_id "XpKP9seJ7QLCrtS-d9zLuQAAAAE"]
...

[Sun Apr 12 10:50:15.307549 2020] [:error] [pid 3625:tid 140295004800768] [client 173.252.87.3:48640] [client 173.252.87.3] 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 "/IcoMoon.woff"] [unique_id "XpKP96LL@8cf6BWsPUlIZwAAAAE"]
...

[Sun Apr 12 10:50:15.752591 2020] [:error] [pid 3625:tid 140295004800768] [client 173.252.87.50:50506] [client 173.252.87.50] 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 "/disquss-v1.js"] [unique_id "XpKP96LL@8cf6BWsPUlIaAAAAAE"]
...

[Sun Apr 12 10:50:26.739960 2020] [:error] [pid 3610:tid 140294988015360] [client 173.252.87.47:54302] [client 173.252.87.47] 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 "/favicon-32-32.png"] [unique_id "XpKQAseJ7QLCrtS-d9zLuwAAAAE"]
...

[Sun Apr 12 10:50:32.499792 2020] [:error] [pid 3167:tid 140295004800768] [client 173.252.87.32:35446] [client 173.252.87.32] 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 "/favicon-96-96.png"] [unique_id "XpKQCMjT@mkMYHPYnhPyWwAAAAE"]
...

[Sun Apr 12 10:50:38.657102 2020] [:error] [pid 3625:tid 140294988015360] [client 173.252.87.20:48134] [client 173.252.87.20] 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 "/bmkg-192.png"] [unique_id "XpKQDqLL@8cf6BWsPUlIbQAAAAE"]
...

[Sat Apr 11 10:54:23.021707 2020] [:error] [pid 12168:tid 140248677431040] [client 173.252.87.7:41622] [client 173.252.87.7] 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 "/images/Klimatologi/Prakiraan/04_Prakiraan_6_Bulanan/Prakiraan_Musim/Prakiraan_Musim_Kemarau/Provinsi_Jawa_Timur/2020/Peta_Prakiraan_Sifat_Hujan_Musim_Kemarau_Tahun_2020_Zona_Musim_di_Provinsi_Jawa_Timur-600.jpg"] [unique_id "XpE-b8g02Aago6ciM3@4xgAAAAE"]
...

[Sat Apr 11 10:54:24.435039 2020] [:error] [pid 12481:tid 140248685823744] [client 173.252.87.44:54760] [client 173.252.87.44] 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 "/images/Klimatologi/Prakiraan/04_Prakiraan_6_Bulanan/Prakiraan_Musim/Prakiraan_Musim_Kemarau/Provinsi_Jawa_Timur/2020/Peta_Prakiraan_Sifat_Hujan_Musim_Kemarau_Tahun_2020_Zona_Musim_di_Provinsi_Jawa_Timur-600.jpg"] [unique_id "XpE-cMVpWKRU7sS4gg2i0wAAAAE"]
...

[Wed Apr 01 23:36:12.785093 2020] [:error] [pid 1175:tid 140246845671168] [client 173.252.87.32:37478] [client 173.252.87.32] 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 "/IcoMoon.woff"] [unique_id "XoTC-NAVcKWiGUn27TdJBwAAAAE"]
...

[Wed Apr 01 19:27:28.351271 2020] [:error] [pid 8793:tid 139641580873472] [client 173.252.87.31:57840] [client 173.252.87.31] 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 "/TableFilter/system-v98.css"] [unique_id "XoSIsJ0uQIuM0RwO5n0YugAAAAE"]
...

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Nov 20 18:18:13 icinga sshd[6568]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=109.94.82.149
Nov 20 18:18:14 icinga sshd[6568]: Failed password for invalid user bertnes from 109.94.82.149 port 44022 ssh2
...

WordPress login Brute force / Web App Attack on client site.

port scan and connect, tcp 8080 (http-proxy)

firewall-block, port(s): 8080/tcp

Nov 20 11:49:12 Tower sshd[28021]: Connection from 106.12.214.128 port 43649 on 192.168.10.220 port 22
Nov 20 11:49:16 Tower sshd[28021]: Invalid user fricke from 106.12.214.128 port 43649
Nov 20 11:49:16 Tower sshd[28021]: error: Could not get shadow information for NOUSER
Nov 20 11:49:16 Tower sshd[28021]: Failed password for invalid user fricke from 106.12.214.128 port 43649 ssh2
Nov 20 11:49:17 Tower sshd[28021]: Received disconnect from 106.12.214.128 port 43649:11: Bye Bye [preauth]
Nov 20 11:49:17 Tower sshd[28021]: Disconnected from invalid user fricke 106.12.214.128 port 43649 [preauth]

\[2019-11-20 13:27:13\] NOTICE\[2754\] chan_sip.c: Registration from '\' failed for '81.171.98.128:62993' - Wrong password
\[2019-11-20 13:27:13\] SECURITY\[2765\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-11-20T13:27:13.647-0500",Severity="Error",Service="SIP",EventVersion="2",AccountID="449",SessionID="0x7f26c485fc08",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/81.171.98.128/62993",Challenge="1576b14f",ReceivedChallenge="1576b14f",ReceivedHash="27b2e07d63f4874bdfb6a87d9abd9ec3"
\[2019-11-20 13:28:03\] NOTICE\[2754\] chan_sip.c: Registration from '\' failed for '81.171.98.128:51253' - Wrong password
\[2019-11-20 13:28:03\] SECURITY\[2765\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-11-20T13:28:03.713-0500",Severity="Error",Service="SIP",EventVersion="2",AccountID="8768",SessionID="0x7f26c485fc08",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/81.171.98.1

Nov 20 17:50:50 * sshd[10874]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.103.163.66
Nov 20 17:50:52 * sshd[10874]: Failed password for invalid user s from 80.103.163.66 port 50707 ssh2

Nov 20 15:40:53 vmanager6029 sshd\[30117\]: Invalid user ailar from 118.193.31.19 port 47132
Nov 20 15:40:53 vmanager6029 sshd\[30117\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.193.31.19
Nov 20 15:40:55 vmanager6029 sshd\[30117\]: Failed password for invalid user ailar from 118.193.31.19 port 47132 ssh2

port scans

2019-11-20T16:30:11.899260ns386461 sshd\[21816\]: Invalid user admin from 197.45.155.12 port 36961
2019-11-20T16:30:11.904190ns386461 sshd\[21816\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=197.45.155.12
2019-11-20T16:30:13.386595ns386461 sshd\[21816\]: Failed password for invalid user admin from 197.45.155.12 port 36961 ssh2
2019-11-20T16:41:24.260223ns386461 sshd\[31642\]: Invalid user kanssas from 197.45.155.12 port 18037
2019-11-20T16:41:24.265227ns386461 sshd\[31642\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=197.45.155.12
...

11/20/2019-13:33:04.012482 185.156.73.52 Protocol: 6 ET SCAN NMAP -sS window 1024

63.88.23.147 was recorded 10 times by 8 hosts attempting to connect to the following ports: 80. Incident counter (4h, 24h, all-time): 10, 83, 405

Automatic report - Port Scan Attack

2019-11-20T18:23:55.106092stark.klein-stark.info sshd\[17761\]: Invalid user saeec from 123.206.51.192 port 36156
2019-11-20T18:23:55.111148stark.klein-stark.info sshd\[17761\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.206.51.192
2019-11-20T18:23:56.743557stark.klein-stark.info sshd\[17761\]: Failed password for invalid user saeec from 123.206.51.192 port 36156 ssh2
...