[2020-08-31 09:50:23] NOTICE[1185][C-00008e28] chan_sip.c: Call from '' (145.239.51.233:54095) to extension '9128210046520458220' rejected because extension not found in context 'public'.
[2020-08-31 09:50:23] SECURITY[1203] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-08-31T09:50:23.447-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="9128210046520458220",SessionID="0x7f10c43e3a48",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/145.239.51.233/54095",ACLName="no_extension_match"
[2020-08-31 09:50:40] NOTICE[1185][C-00008e29] chan_sip.c: Call from '' (145.239.51.233:49312) to extension '9673970046520458220' rejected because extension not found in context 'public'.
[2020-08-31 09:50:40] SECURITY[1203] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-08-31T09:50:40.269-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="9673970046520458220",SessionID="0x7f10c459e698",LocalAddress="IPV4/UDP/192.168.244.6/5060",Remot
...

[2020-08-31 05:06:05] NOTICE[1185][C-00008d32] chan_sip.c: Call from '' (145.239.51.233:54261) to extension '9861530146520458220' rejected because extension not found in context 'public'.
[2020-08-31 05:06:05] SECURITY[1203] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-08-31T05:06:05.617-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="9861530146520458220",SessionID="0x7f10c416cce8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/145.239.51.233/54261",ACLName="no_extension_match"
[2020-08-31 05:06:22] NOTICE[1185][C-00008d33] chan_sip.c: Call from '' (145.239.51.233:49468) to extension '9191510046520458220' rejected because extension not found in context 'public'.
...

[2020-08-30 20:01:11] NOTICE[1185][C-00008b31] chan_sip.c: Call from '' (145.239.51.233:64197) to extension '87996010046520458220' rejected because extension not found in context 'public'.
[2020-08-30 20:01:11] SECURITY[1203] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-08-30T20:01:11.606-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="87996010046520458220",SessionID="0x7f10c4286a78",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/145.239.51.233/64197",ACLName="no_extension_match"
[2020-08-30 20:01:28] NOTICE[1185][C-00008b32] chan_sip.c: Call from '' (145.239.51.233:59580) to extension '16754000046520458220' rejected because extension not found in context 'public'.
[2020-08-30 20:01:28] SECURITY[1203] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-08-30T20:01:28.641-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="16754000046520458220",SessionID="0x7f10c4031b98",LocalAddress="IPV4/UDP/192.168.244.6/5060",R
...

[2020-08-30 11:41:39] NOTICE[1185][C-0000886e] chan_sip.c: Call from '' (145.239.51.233:50075) to extension '66289000046520458220' rejected because extension not found in context 'public'.
[2020-08-30 11:41:39] SECURITY[1203] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-08-30T11:41:39.979-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="66289000046520458220",SessionID="0x7f10c49f9a78",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/145.239.51.233/50075",ACLName="no_extension_match"
[2020-08-30 11:41:56] NOTICE[1185][C-0000886f] chan_sip.c: Call from '' (145.239.51.233:61294) to extension '82170010046520458220' rejected because extension not found in context 'public'.
[2020-08-30 11:41:56] SECURITY[1203] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-08-30T11:41:56.618-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="82170010046520458220",SessionID="0x7f10c49912f8",LocalAddress="IPV4/UDP/192.168.244.6/5060",R
...

Unauthorized connection attempt detected from IP address 145.239.58.139 to port 8443

client 145.239.51.137#29086 (VERSION.BIND): query: VERSION.BIND CH TXT +

WordPress brute force

Automatic report - XMLRPC Attack

Sep  5 12:19:10 friendsofhawaii sshd\[27601\]: Invalid user temp@123 from 145.239.57.37
Sep  5 12:19:10 friendsofhawaii sshd\[27601\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=145.239.57.37
Sep  5 12:19:12 friendsofhawaii sshd\[27601\]: Failed password for invalid user temp@123 from 145.239.57.37 port 48550 ssh2
Sep  5 12:23:41 friendsofhawaii sshd\[28015\]: Invalid user welcome from 145.239.57.37
Sep  5 12:23:41 friendsofhawaii sshd\[28015\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=145.239.57.37

Aug 17 06:10:18 SilenceServices sshd[26185]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=145.239.57.37
Aug 17 06:10:20 SilenceServices sshd[26185]: Failed password for invalid user com123 from 145.239.57.37 port 24361 ssh2
Aug 17 06:14:37 SilenceServices sshd[29539]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=145.239.57.37

SSH Brute-Force reported by Fail2Ban

Aug 14 08:24:33 SilenceServices sshd[739]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=145.239.57.37
Aug 14 08:24:35 SilenceServices sshd[739]: Failed password for invalid user otrs from 145.239.57.37 port 15026 ssh2
Aug 14 08:29:26 SilenceServices sshd[4077]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=145.239.57.37

Aug  7 16:29:11 yabzik sshd[10849]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=145.239.57.37
Aug  7 16:29:13 yabzik sshd[10849]: Failed password for invalid user test9 from 145.239.57.37 port 48449 ssh2
Aug  7 16:33:35 yabzik sshd[12363]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=145.239.57.37

Jun 28 12:39:43 novum-srv2 sshd[16209]: Invalid user hanen from 145.239.57.126 port 51112
Jun 28 13:38:47 novum-srv2 sshd[16604]: Invalid user nagios from 145.239.57.126 port 36896
Jun 28 13:39:53 novum-srv2 sshd[16708]: Invalid user postgres from 145.239.57.126 port 46722
...

[AUTOMATIC REPORT] - 63 tries in total - SSH BRUTE FORCE - IP banned

Invalid user hex from 175.197.233.197 port 40062

Port Scan
...

2020-09-29T05:57:54.916551vps-d63064a2 sshd[36065]: User root from 103.28.52.84 not allowed because not listed in AllowUsers
2020-09-29T05:57:56.459624vps-d63064a2 sshd[36065]: Failed password for invalid user root from 103.28.52.84 port 34370 ssh2
2020-09-29T06:02:01.602467vps-d63064a2 sshd[36171]: Invalid user libsys from 103.28.52.84 port 42410
2020-09-29T06:02:01.612453vps-d63064a2 sshd[36171]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.28.52.84
2020-09-29T06:02:01.602467vps-d63064a2 sshd[36171]: Invalid user libsys from 103.28.52.84 port 42410
2020-09-29T06:02:03.037119vps-d63064a2 sshd[36171]: Failed password for invalid user libsys from 103.28.52.84 port 42410 ssh2
...

Sep 29 07:39:53 mail sshd[366933]: Failed password for invalid user u1 from 152.32.173.160 port 42706 ssh2
Sep 29 07:43:40 mail sshd[367081]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=152.32.173.160  user=nobody
Sep 29 07:43:41 mail sshd[367081]: Failed password for nobody from 152.32.173.160 port 41158 ssh2
...

polres 47.52.108.160 [29/Sep/2020:03:52:48 "-" "POST /wp-login.php 200 3943
47.52.108.160 [29/Sep/2020:09:27:24 "-" "GET /wp-login.php 200 6606
47.52.108.160 [29/Sep/2020:09:27:25 "-" "POST /wp-login.php 200 6726

Sep 29 08:14:04 host1 postfix/smtpd[22333]: warning: unknown[45.142.120.215]: SASL LOGIN authentication failed: authentication failure
...

Sep 29 08:34:47 localhost sshd\[21216\]: Invalid user vnc from 51.75.249.224
Sep 29 08:34:47 localhost sshd\[21216\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.249.224
Sep 29 08:34:48 localhost sshd\[21216\]: Failed password for invalid user vnc from 51.75.249.224 port 40064 ssh2
Sep 29 08:38:13 localhost sshd\[21427\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.249.224  user=root
Sep 29 08:38:16 localhost sshd\[21427\]: Failed password for root from 51.75.249.224 port 48176 ssh2
...

Sep 29 05:28:08 staging sshd[142383]: Invalid user dev from 180.76.247.16 port 37860
Sep 29 05:28:08 staging sshd[142383]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.247.16 
Sep 29 05:28:08 staging sshd[142383]: Invalid user dev from 180.76.247.16 port 37860
Sep 29 05:28:10 staging sshd[142383]: Failed password for invalid user dev from 180.76.247.16 port 37860 ssh2
...

Sep 29 13:17:59 NG-HHDC-SVS-001 sshd[30499]: Invalid user redis from 120.131.3.191
...

2020-09-28T20:38:25.071096abusebot-4.cloudsearch.cf sshd[19869]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=189-95-41-63.3g.claro.net.br  user=root
2020-09-28T20:38:26.689367abusebot-4.cloudsearch.cf sshd[19869]: Failed password for root from 189.95.41.63 port 13431 ssh2
2020-09-28T20:38:29.212027abusebot-4.cloudsearch.cf sshd[19871]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=189-95-41-63.3g.claro.net.br  user=root
2020-09-28T20:38:31.174419abusebot-4.cloudsearch.cf sshd[19871]: Failed password for root from 189.95.41.63 port 13432 ssh2
2020-09-28T20:38:33.425015abusebot-4.cloudsearch.cf sshd[19873]: Invalid user ubnt from 189.95.41.63 port 13433
2020-09-28T20:38:33.663732abusebot-4.cloudsearch.cf sshd[19873]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=189-95-41-63.3g.claro.net.br
2020-09-28T20:38:33.425015abusebot-4.cloudsearch.cf sshd[19873]: Invalid
...

Sep 29 08:43:28 abendstille sshd\[30557\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.31.166  user=root
Sep 29 08:43:30 abendstille sshd\[30557\]: Failed password for root from 222.186.31.166 port 41849 ssh2
Sep 29 08:43:32 abendstille sshd\[30557\]: Failed password for root from 222.186.31.166 port 41849 ssh2
Sep 29 08:43:34 abendstille sshd\[30557\]: Failed password for root from 222.186.31.166 port 41849 ssh2
Sep 29 08:43:48 abendstille sshd\[30684\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.31.166  user=root
...

bruteforce detected

" "

$f2bV_matches

(sshd) Failed SSH login from 201.99.106.67 (MX/Mexico/dsl-201-99-106-67-sta.prod-empresarial.com.mx): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Sep 29 01:38:26 optimus sshd[19832]: Invalid user gpadmin from 201.99.106.67
Sep 29 01:38:26 optimus sshd[19832]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.99.106.67 
Sep 29 01:38:28 optimus sshd[19832]: Failed password for invalid user gpadmin from 201.99.106.67 port 7073 ssh2
Sep 29 01:43:06 optimus sshd[24163]: Invalid user ed from 201.99.106.67
Sep 29 01:43:06 optimus sshd[24163]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.99.106.67