[Sat Mar 28 10:50:44.624989 2020] [:error] [pid 2503:tid 140512424277760] [client 141.8.132.24:63421] [client 141.8.132.24] 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 "Xn7JlIEzdW-Oybip5HuyiAAAAAI"]
...

[Fri Mar 20 20:09:17.192662 2020] [:error] [pid 15887:tid 139661176485632] [client 141.8.132.24:65023] [client 141.8.132.24] 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 "XnTAfXEhhvTdM6dYCcoxwgAAAcQ"]
...

[Thu Feb 27 21:20:09.236135 2020] [:error] [pid 3621:tid 139837702010624] [client 141.8.132.24:65499] [client 141.8.132.24] 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 "XlfQGXgSyCP9O11ZuEgQHgAAAUw"]
...

[Fri Feb 14 16:12:26.285894 2020] [:error] [pid 7278:tid 139821208127232] [client 141.8.132.24:55669] [client 141.8.132.24] 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 "XkZkelgSmFwFyJu5ztJOHgAAAfM"]
...

[Wed Jul 10 06:18:52.302937 2019] [:error] [pid 12219:tid 139977212000000] [client 141.8.132.24:40127] [client 141.8.132.24] ModSecurity: Access denied with code 403 (phase 2). Pattern match "^[\\\\d.:]+$" at REQUEST_HEADERS:Host. [file "/etc/modsecurity/owasp-modsecurity-crs-3.1.1/rules/REQUEST-920-PROTOCOL-ENFORCEMENT.conf"] [line "792"] [id "920350"] [msg "Host header is a numeric IP address"] [data "103.27.207.197"] [severity "WARNING"] [ver "OWASP_CRS/3.1.1"] [tag "application-multi"] [tag "language-multi"] [tag "platform-multi"] [tag "attack-protocol"] [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 "XSUg3FIMVtpCcCd8oJ8TkAAAAAg"]
...

[Fri Mar 20 23:06:01.210367 2020] [:error] [pid 2262:tid 140147611977472] [client 141.8.132.35:61631] [client 141.8.132.35] 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 "XnTp6aAlAPii2bELv6MmFgAAAcI"]
...

[Fri Mar 06 11:59:30.545468 2020] [:error] [pid 31020:tid 139856877369088] [client 141.8.132.9:65111] [client 141.8.132.9] 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 "XmHYsnCflmAPk@m9WrMERAAAAUo"]
...

[Sat Feb 29 14:56:42.035661 2020] [:error] [pid 29110:tid 139674565330688] [client 141.8.132.9:43321] [client 141.8.132.9] 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 "XloZOpx7NO9kbZBSNHkZEwAAAHA"]
...

[Fri Feb 28 14:52:46.977362 2020] [:error] [pid 1246:tid 140235423225600] [client 141.8.132.35:45795] [client 141.8.132.35] 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 "XljGzgA5lnWByBR8NxkKFwAAAYI"]
...

[Thu Feb 13 20:48:12.442472 2020] [:error] [pid 5260:tid 140369236838144] [client 141.8.132.9:42647] [client 141.8.132.9] 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 "XkVTnDu2DnY6B6UC0cpgPQAAAU4"]
...

[Wed Oct 16 10:21:00.960797 2019] [:error] [pid 30195:tid 140011680777984] [client 141.8.132.35:37423] [client 141.8.132.35] 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 "XaaMnLM@ItsqtwqqCPDkWQAAAFA"]
...

[Thu Jun 27 12:25:38.565576 2019] [:error] [pid 26865:tid 140527362074368] [client 141.8.132.35:59414] [client 141.8.132.35] ModSecurity: Access denied with code 403 (phase 2). Pattern match "^[\\\\d.:]+$" at REQUEST_HEADERS:Host. [file "/etc/modsecurity/owasp-modsecurity-crs-3.1.1/rules/REQUEST-920-PROTOCOL-ENFORCEMENT.conf"] [line "792"] [id "920350"] [msg "Host header is a numeric IP address"] [data "103.27.207.197"] [severity "WARNING"] [ver "OWASP_CRS/3.1.1"] [tag "application-multi"] [tag "language-multi"] [tag "platform-multi"] [tag "attack-protocol"] [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 "XRRTUhlQuTljWBroxg@h6QAAAAk"]
...

Jun  6 20:47:17 scw-6657dc sshd[17704]: Failed password for root from 222.186.180.142 port 45894 ssh2
Jun  6 20:47:17 scw-6657dc sshd[17704]: Failed password for root from 222.186.180.142 port 45894 ssh2
Jun  6 20:47:19 scw-6657dc sshd[17704]: Failed password for root from 222.186.180.142 port 45894 ssh2
...

Unauthorized connection attempt detected from IP address 162.243.145.30 to port 20 [T]

Jun  6 22:58:09 PorscheCustomer sshd[17788]: Failed password for root from 14.29.217.55 port 46647 ssh2
Jun  6 23:01:15 PorscheCustomer sshd[17864]: Failed password for root from 14.29.217.55 port 34984 ssh2
...

Jun  1 14:00:23 pi sshd[14861]: Failed password for root from 106.12.117.195 port 55260 ssh2

Jun  6 22:58:52 server sshd[24879]: Failed password for root from 140.246.135.188 port 60660 ssh2
Jun  6 23:03:12 server sshd[26062]: Failed password for root from 140.246.135.188 port 55542 ssh2
...

Jun  1 22:19:44 xxxx sshd[15289]: reveeclipse mapping checking getaddrinfo for hn.kd.ny.adsl [42.233.248.44] failed - POSSIBLE BREAK-IN ATTEMPT!
Jun  1 22:19:44 xxxx sshd[15289]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=42.233.248.44  user=r.r
Jun  1 22:19:46 xxxx sshd[15289]: Failed password for r.r from 42.233.248.44 port 40344 ssh2
Jun  1 22:24:33 xxxx sshd[15298]: reveeclipse mapping checking getaddrinfo for hn.kd.ny.adsl [42.233.248.44] failed - POSSIBLE BREAK-IN ATTEMPT!
Jun  1 22:24:33 xxxx sshd[15298]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=42.233.248.44  user=r.r
Jun  1 22:24:35 xxxx sshd[15298]: Failed password for r.r from 42.233.248.44 port 31630 ssh2
Jun  1 22:26:26 xxxx sshd[15300]: reveeclipse mapping checking getaddrinfo for hn.kd.ny.adsl [42.233.248.44] failed - POSSIBLE BREAK-IN ATTEMPT!
Jun  1 22:26:26 xxxx sshd[15300]: pam_unix(sshd:auth): authentication f........
-------------------------------

Jun  6 20:42:34 ip-172-31-61-156 sshd[13966]: Failed password for root from 106.54.200.209 port 33470 ssh2
Jun  6 20:42:32 ip-172-31-61-156 sshd[13966]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.54.200.209  user=root
Jun  6 20:42:34 ip-172-31-61-156 sshd[13966]: Failed password for root from 106.54.200.209 port 33470 ssh2
Jun  6 20:45:51 ip-172-31-61-156 sshd[14123]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.54.200.209  user=root
Jun  6 20:45:53 ip-172-31-61-156 sshd[14123]: Failed password for root from 106.54.200.209 port 56972 ssh2
...

Jun  6 23:01:43 buvik sshd[631]: Failed password for root from 106.225.152.206 port 43102 ssh2
Jun  6 23:05:34 buvik sshd[1306]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.225.152.206  user=root
Jun  6 23:05:35 buvik sshd[1306]: Failed password for root from 106.225.152.206 port 35548 ssh2
...

Jun  6 22:44:52 [host] sshd[318]: pam_unix(sshd:au
Jun  6 22:44:54 [host] sshd[318]: Failed password 
Jun  6 22:50:15 [host] sshd[492]: pam_unix(sshd:au

Unauthorized connection attempt from IP address 94.97.25.69 on Port 445(SMB)

Port probing on unauthorized port 81

Jun  6 20:05:05 ws26vmsma01 sshd[138312]: Failed password for root from 187.2.11.82 port 39736 ssh2
...

[2020-06-06 16:44:26] NOTICE[1288] chan_sip.c: Registration from '' failed for '62.171.144.195:34041' - Wrong password
[2020-06-06 16:44:26] SECURITY[1303] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-06-06T16:44:26.979-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="ww123",SessionID="0x7f4d7403c148",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/62.171.144.195/34041",Challenge="272196ec",ReceivedChallenge="272196ec",ReceivedHash="c2dc7b0cc421da41218d8d736043f1e1"
[2020-06-06 16:45:51] NOTICE[1288] chan_sip.c: Registration from '' failed for '62.171.144.195:39208' - Wrong password
[2020-06-06 16:45:51] SECURITY[1303] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-06-06T16:45:51.539-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="ee123",SessionID="0x7f4d74371bc8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/62.171
...

Automatic report - XMLRPC Attack

Jun  6 22:58:36 piServer sshd[30655]: Failed password for root from 157.230.230.152 port 40532 ssh2
Jun  6 23:01:53 piServer sshd[30829]: Failed password for root from 157.230.230.152 port 44848 ssh2
...