[2020-06-08 17:04:39] NOTICE[1288][C-00001d21] chan_sip.c: Call from '' (88.80.148.149:59825) to extension '900442037695397' rejected because extension not found in context 'public'.
[2020-06-08 17:04:39] SECURITY[1303] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-06-08T17:04:39.250-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="900442037695397",SessionID="0x7f4d7455fd68",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/88.80.148.149/59825",ACLName="no_extension_match"
[2020-06-08 17:04:47] NOTICE[1288][C-00001d22] chan_sip.c: Call from '' (88.80.148.149:50218) to extension '900442037697638' rejected because extension not found in context 'public'.
[2020-06-08 17:04:47] SECURITY[1303] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-06-08T17:04:47.662-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="900442037697638",SessionID="0x7f4d74373c98",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/
...

[2020-06-07 16:48:42] NOTICE[1288][C-0000164d] chan_sip.c: Call from '' (88.80.148.149:56928) to extension '00442037694290' rejected because extension not found in context 'public'.
[2020-06-07 16:48:42] SECURITY[1303] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-06-07T16:48:42.485-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="00442037694290",SessionID="0x7f4d742d3bb8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/88.80.148.149/56928",ACLName="no_extension_match"
[2020-06-07 16:48:43] NOTICE[1288][C-0000164e] chan_sip.c: Call from '' (88.80.148.149:57805) to extension '900442037697638' rejected because extension not found in context 'public'.
...

[2020-06-07 01:39:51] NOTICE[1288][C-0000116b] chan_sip.c: Call from '' (88.80.148.149:65497) to extension '00442037697638' rejected because extension not found in context 'public'.
[2020-06-07 01:39:51] SECURITY[1303] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-06-07T01:39:51.205-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="00442037697638",SessionID="0x7f4d742d3bb8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/88.80.148.149/65497",ACLName="no_extension_match"
[2020-06-07 01:40:06] NOTICE[1288][C-0000116e] chan_sip.c: Call from '' (88.80.148.149:55774) to extension '00442037694290' rejected because extension not found in context 'public'.
[2020-06-07 01:40:06] SECURITY[1303] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-06-07T01:40:06.380-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="00442037694290",SessionID="0x7f4d74371bc8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/88.8
...

[2020-04-07 14:32:55] NOTICE[12114][C-00002995] chan_sip.c: Call from '' (88.80.148.149:53596) to extension '5635500442037697638' rejected because extension not found in context 'public'.
[2020-04-07 14:32:55] SECURITY[12128] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-04-07T14:32:55.430-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="5635500442037697638",SessionID="0x7f020c06be08",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/88.80.148.149/53596",ACLName="no_extension_match"
[2020-04-07 14:33:29] NOTICE[12114][C-00002997] chan_sip.c: Call from '' (88.80.148.149:64105) to extension '819100442037697638' rejected because extension not found in context 'public'.
[2020-04-07 14:33:29] SECURITY[12128] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-04-07T14:33:29.288-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="819100442037697638",SessionID="0x7f020c088288",LocalAddress="IPV4/UDP/192.168.244.6/5060",Remote
...

*Port Scan* detected from 88.80.148.172 (BG/Bulgaria/Targovishte/Opaka/-). 4 hits in the last -9716 seconds

Attempted connection to port 9191.

[2020-06-09 07:35:18] NOTICE[1288][C-0000222d] chan_sip.c: Call from '' (88.80.148.186:60677) to extension '0048422069021' rejected because extension not found in context 'public'.
[2020-06-09 07:35:18] SECURITY[1303] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-06-09T07:35:18.019-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="0048422069021",SessionID="0x7f4d7455fd68",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/88.80.148.186/60677",ACLName="no_extension_match"
[2020-06-09 07:35:21] NOTICE[1288][C-0000222e] chan_sip.c: Call from '' (88.80.148.186:65469) to extension '90048422069021' rejected because extension not found in context 'public'.
[2020-06-09 07:35:21] SECURITY[1303] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-06-09T07:35:21.450-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="90048422069021",SessionID="0x7f4d74371bc8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/88.80.
...

[2020-06-07 16:28:37] NOTICE[1288][C-00001633] chan_sip.c: Call from '' (88.80.148.186:58451) to extension '90048422069021' rejected because extension not found in context 'public'.
[2020-06-07 16:28:37] SECURITY[1303] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-06-07T16:28:37.095-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="90048422069021",SessionID="0x7f4d742d3bb8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/88.80.148.186/58451",ACLName="no_extension_match"
[2020-06-07 16:28:38] NOTICE[1288][C-00001634] chan_sip.c: Call from '' (88.80.148.186:59704) to extension '90048422069024' rejected because extension not found in context 'public'.
[2020-06-07 16:28:38] SECURITY[1303] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-06-07T16:28:38.174-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="90048422069024",SessionID="0x7f4d7455fd68",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/88.8
...

Apr  7 00:48:40 ny01 sshd[28779]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.14.29.2
Apr  7 00:48:42 ny01 sshd[28779]: Failed password for invalid user sandeep from 104.14.29.2 port 45873 ssh2
Apr  7 00:54:06 ny01 sshd[29404]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.14.29.2

04/06/2020-23:48:57.287115 113.140.24.158 Protocol: 6 ET SCAN Suspicious inbound to MSSQL port 1433

[2020-04-07 04:25:54] NOTICE[12114] chan_sip.c: Registration from '"205" ' failed for '199.127.63.202:5558' - Wrong password
[2020-04-07 04:25:54] SECURITY[12128] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-04-07T04:25:54.704-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="205",SessionID="0x7f020c04b958",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/199.127.63.202/5558",Challenge="02fd3c93",ReceivedChallenge="02fd3c93",ReceivedHash="a5d2278e38be6e90d13b857d8d08671f"
[2020-04-07 04:25:54] NOTICE[12114] chan_sip.c: Registration from '"205" ' failed for '199.127.63.202:5558' - Wrong password
[2020-04-07 04:25:54] SECURITY[12128] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-04-07T04:25:54.844-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="205",SessionID="0x7f020c13daa8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/1
...

" "

[Tue Apr 07 10:49:00.142138 2020] [:error] [pid 27296:tid 139930464937728] [client 213.180.203.38:36592] [client 213.180.203.38] 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 "Xov4LPr@PqWOvkGyGLXRCwAAAyw"]
...

2020-04-07T10:36:09.040078librenms sshd[15012]: Invalid user admin from 14.241.248.57 port 54124
2020-04-07T10:36:11.065595librenms sshd[15012]: Failed password for invalid user admin from 14.241.248.57 port 54124 ssh2
2020-04-07T10:43:41.392753librenms sshd[15736]: Invalid user test from 14.241.248.57 port 45950
...

ET DROP Dshield Block Listed Source group 1 - port: 3387 proto: TCP cat: Misc Attack

Excessive Port-Scanning

(sshd) Failed SSH login from 51.91.110.170 (FR/France/170.ip-51-91-110.eu): 2 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Apr  7 09:59:55 ubnt-55d23 sshd[4408]: Invalid user demo from 51.91.110.170 port 48614
Apr  7 09:59:57 ubnt-55d23 sshd[4408]: Failed password for invalid user demo from 51.91.110.170 port 48614 ssh2

Apr  7 11:17:58 ArkNodeAT sshd\[12940\]: Invalid user user from 65.97.0.208
Apr  7 11:17:58 ArkNodeAT sshd\[12940\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=65.97.0.208
Apr  7 11:18:00 ArkNodeAT sshd\[12940\]: Failed password for invalid user user from 65.97.0.208 port 42532 ssh2

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

2020-04-07T07:19:05.091631ns386461 sshd\[25402\]: Invalid user deploy from 106.12.220.84 port 33304
2020-04-07T07:19:05.096352ns386461 sshd\[25402\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.220.84
2020-04-07T07:19:07.223951ns386461 sshd\[25402\]: Failed password for invalid user deploy from 106.12.220.84 port 33304 ssh2
2020-04-07T07:36:31.171429ns386461 sshd\[8708\]: Invalid user admin from 106.12.220.84 port 55682
2020-04-07T07:36:31.176033ns386461 sshd\[8708\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.220.84
...

Apr  7 03:01:59 ws19vmsma01 sshd[140999]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.236.81.204
Apr  7 03:02:00 ws19vmsma01 sshd[140999]: Failed password for invalid user admin from 104.236.81.204 port 54233 ssh2
...

Apr  7 03:31:08 server1 sshd\[28638\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=211.5.228.19 
Apr  7 03:31:10 server1 sshd\[28638\]: Failed password for invalid user teampspeak from 211.5.228.19 port 33627 ssh2
Apr  7 03:33:30 server1 sshd\[29779\]: Invalid user test from 211.5.228.19
Apr  7 03:33:31 server1 sshd\[29779\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=211.5.228.19 
Apr  7 03:33:33 server1 sshd\[29779\]: Failed password for invalid user test from 211.5.228.19 port 52273 ssh2
...

ET CINS Active Threat Intelligence Poor Reputation IP group 89 - port: 10002 proto: TCP cat: Misc Attack