Unauthorized connection attempt from IP address 45.143.223.157

Attempting fraudulent international toll traffic

Attempting fraudulent international toll traffic

[2020-09-27 16:45:30] NOTICE[1159][C-000027e8] chan_sip.c: Call from '' (45.143.223.118:51541) to extension '0046462607543' rejected because extension not found in context 'public'.
[2020-09-27 16:45:30] SECURITY[1198] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-27T16:45:30.003-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="0046462607543",SessionID="0x7fcaa02d7a38",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.143.223.118/51541",ACLName="no_extension_match"
[2020-09-27 16:46:06] NOTICE[1159][C-000027e9] chan_sip.c: Call from '' (45.143.223.118:54795) to extension '01146462607543' rejected because extension not found in context 'public'.
[2020-09-27 16:46:06] SECURITY[1198] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-27T16:46:06.926-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="01146462607543",SessionID="0x7fcaa02d7a38",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.
...

[2020-09-27 09:07:56] NOTICE[1159][C-000025df] chan_sip.c: Call from '' (45.143.223.118:55272) to extension '0046462607543' rejected because extension not found in context 'public'.
[2020-09-27 09:07:56] SECURITY[1198] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-27T09:07:56.441-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="0046462607543",SessionID="0x7fcaa00dd368",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.143.223.118/55272",ACLName="no_extension_match"
[2020-09-27 09:08:34] NOTICE[1159][C-000025e0] chan_sip.c: Call from '' (45.143.223.118:58549) to extension '01146462607543' rejected because extension not found in context 'public'.
[2020-09-27 09:08:34] SECURITY[1198] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-27T09:08:34.285-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="01146462607543",SessionID="0x7fcaa0022038",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.
...

[2020-09-10 07:51:32] NOTICE[1239][C-00000b7d] chan_sip.c: Call from '' (45.143.223.11:58071) to extension '009441904911034' rejected because extension not found in context 'public'.
[2020-09-10 07:51:32] SECURITY[1264] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-10T07:51:32.925-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="009441904911034",SessionID="0x7f4d4804ac88",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.143.223.11/58071",ACLName="no_extension_match"
[2020-09-10 07:51:43] NOTICE[1239][C-00000b7e] chan_sip.c: Call from '' (45.143.223.11:63544) to extension '010441904911034' rejected because extension not found in context 'public'.
...

[2020-09-09 23:58:04] NOTICE[1239][C-00000965] chan_sip.c: Call from '' (45.143.223.11:57996) to extension '0011441904911034' rejected because extension not found in context 'public'.
[2020-09-09 23:58:04] SECURITY[1264] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-09T23:58:04.578-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="0011441904911034",SessionID="0x7f4d48115e28",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.143.223.11/57996",ACLName="no_extension_match"
[2020-09-09 23:58:15] NOTICE[1239][C-00000966] chan_sip.c: Call from '' (45.143.223.11:63471) to extension '900441904911034' rejected because extension not found in context 'public'.
[2020-09-09 23:58:15] SECURITY[1264] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-09T23:58:15.386-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="900441904911034",SessionID="0x7f4d480d6c18",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UD
...

[2020-09-09 14:41:54] NOTICE[1239][C-00000585] chan_sip.c: Call from '' (45.143.223.11:62604) to extension '9011441904911034' rejected because extension not found in context 'public'.
[2020-09-09 14:41:54] SECURITY[1264] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-09T14:41:54.648-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="9011441904911034",SessionID="0x7f4d4804ac88",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.143.223.11/62604",ACLName="no_extension_match"
[2020-09-09 14:42:05] NOTICE[1239][C-00000586] chan_sip.c: Call from '' (45.143.223.11:51694) to extension '000441904911034' rejected because extension not found in context 'public'.
[2020-09-09 14:42:05] SECURITY[1264] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-09T14:42:05.604-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="000441904911034",SessionID="0x7f4d480d6c18",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UD
...

[2020-09-06 16:00:05] NOTICE[1194][C-000015a7] chan_sip.c: Call from '' (45.143.223.106:51116) to extension '00441904911024' rejected because extension not found in context 'public'.
[2020-09-06 16:00:05] SECURITY[1233] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-06T16:00:05.852-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="00441904911024",SessionID="0x7f2ddc04e988",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.143.223.106/51116",ACLName="no_extension_match"
[2020-09-06 16:00:42] NOTICE[1194][C-000015a8] chan_sip.c: Call from '' (45.143.223.106:53143) to extension '011441904911024' rejected because extension not found in context 'public'.
[2020-09-06 16:00:42] SECURITY[1233] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-06T16:00:42.278-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="011441904911024",SessionID="0x7f2ddc04e988",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP
...

[2020-09-06 09:07:45] NOTICE[1194][C-000013a5] chan_sip.c: Call from '' (45.143.223.106:60777) to extension '011441904911024' rejected because extension not found in context 'public'.
[2020-09-06 09:07:45] SECURITY[1233] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-06T09:07:45.327-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="011441904911024",SessionID="0x7f2ddc04e988",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.143.223.106/60777",ACLName="no_extension_match"
[2020-09-06 09:08:19] NOTICE[1194][C-000013a8] chan_sip.c: Call from '' (45.143.223.106:62934) to extension '000441904911024' rejected because extension not found in context 'public'.
[2020-09-06 09:08:19] SECURITY[1233] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-06T09:08:19.381-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="000441904911024",SessionID="0x7f2ddc04e988",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/U
...

[2020-09-06 00:47:40] NOTICE[1194][C-00001191] chan_sip.c: Call from '' (45.143.223.106:64777) to extension '900441904911024' rejected because extension not found in context 'public'.
[2020-09-06 00:47:40] SECURITY[1233] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-06T00:47:40.089-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="900441904911024",SessionID="0x7f2ddc1b7848",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.143.223.106/64777",ACLName="no_extension_match"
[2020-09-06 00:48:13] NOTICE[1194][C-00001192] chan_sip.c: Call from '' (45.143.223.106:50505) to extension '009441904911024' rejected because extension not found in context 'public'.
[2020-09-06 00:48:13] SECURITY[1233] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-06T00:48:13.737-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="009441904911024",SessionID="0x7f2ddc1b7848",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/U
...

[2020-09-05 17:13:14] NOTICE[1194][C-00000f3f] chan_sip.c: Call from '' (45.143.223.106:63929) to extension '00441904911024' rejected because extension not found in context 'public'.
[2020-09-05 17:13:14] SECURITY[1233] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-05T17:13:14.866-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="00441904911024",SessionID="0x7f2ddc0f4e48",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.143.223.106/63929",ACLName="no_extension_match"
[2020-09-05 17:13:47] NOTICE[1194][C-00000f41] chan_sip.c: Call from '' (45.143.223.106:49698) to extension '011441904911024' rejected because extension not found in context 'public'.
[2020-09-05 17:13:47] SECURITY[1233] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-05T17:13:47.677-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="011441904911024",SessionID="0x7f2ddc1b7848",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP
...

Rude login attack (4 tries in 1d)

Rude login attack (4 tries in 1d)

[2020-09-03 04:10:37] NOTICE[1185][C-0000a796] chan_sip.c: Call from '' (45.143.223.6:58995) to extension '219946903433909' rejected because extension not found in context 'public'.
[2020-09-03 04:10:37] SECURITY[1203] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-03T04:10:37.376-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="219946903433909",SessionID="0x7f10c4989438",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.143.223.6/58995",ACLName="no_extension_match"
[2020-09-03 04:11:08] NOTICE[1185][C-0000a798] chan_sip.c: Call from '' (45.143.223.6:63814) to extension '580846903433909' rejected because extension not found in context 'public'.
[2020-09-03 04:11:08] SECURITY[1203] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-03T04:11:08.548-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="580846903433909",SessionID="0x7f10c42761e8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.
...

[2020-09-02 23:57:02] NOTICE[1185][C-0000a62c] chan_sip.c: Call from '' (45.143.223.6:52869) to extension '936546903433909' rejected because extension not found in context 'public'.
[2020-09-02 23:57:02] SECURITY[1203] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-02T23:57:02.501-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="936546903433909",SessionID="0x7f10c4539a48",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.143.223.6/52869",ACLName="no_extension_match"
[2020-09-02 23:57:40] NOTICE[1185][C-0000a62e] chan_sip.c: Call from '' (45.143.223.6:49622) to extension '361946903433909' rejected because extension not found in context 'public'.
[2020-09-02 23:57:40] SECURITY[1203] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-02T23:57:40.980-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="361946903433909",SessionID="0x7f10c42761e8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.
...

Jun  5 06:48:14 vlre-nyc-1 sshd\[3893\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.80.36.218  user=root
Jun  5 06:48:16 vlre-nyc-1 sshd\[3893\]: Failed password for root from 103.80.36.218 port 41750 ssh2
Jun  5 06:51:50 vlre-nyc-1 sshd\[4017\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.80.36.218  user=root
Jun  5 06:51:52 vlre-nyc-1 sshd\[4017\]: Failed password for root from 103.80.36.218 port 64266 ssh2
Jun  5 06:53:48 vlre-nyc-1 sshd\[4088\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.80.36.218  user=root
...

Jun  5 07:10:55 ovpn sshd\[8560\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=36.108.168.81  user=root
Jun  5 07:10:58 ovpn sshd\[8560\]: Failed password for root from 36.108.168.81 port 19749 ssh2
Jun  5 07:22:03 ovpn sshd\[11253\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=36.108.168.81  user=root
Jun  5 07:22:05 ovpn sshd\[11253\]: Failed password for root from 36.108.168.81 port 28437 ssh2
Jun  5 07:26:23 ovpn sshd\[12372\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=36.108.168.81  user=root

162.243.138.151 - - \[05/Jun/2020:11:45:41 +0200\] "GET / HTTP/1.1" 502 166 "-" "Mozilla/5.0 zgrab/0.x"
...

(BR/Brazil/-) SMTP Bruteforcing attempts

2020-06-05T03:42:39.858173dmca.cloudsearch.cf sshd[1400]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=198.211.126.138  user=root
2020-06-05T03:42:41.698070dmca.cloudsearch.cf sshd[1400]: Failed password for root from 198.211.126.138 port 59380 ssh2
2020-06-05T03:45:41.793907dmca.cloudsearch.cf sshd[1649]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=198.211.126.138  user=root
2020-06-05T03:45:43.282919dmca.cloudsearch.cf sshd[1649]: Failed password for root from 198.211.126.138 port 34804 ssh2
2020-06-05T03:48:49.510945dmca.cloudsearch.cf sshd[1877]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=198.211.126.138  user=root
2020-06-05T03:48:51.476574dmca.cloudsearch.cf sshd[1877]: Failed password for root from 198.211.126.138 port 38440 ssh2
2020-06-05T03:51:46.957454dmca.cloudsearch.cf sshd[2106]: pam_unix(sshd:auth): authentication failure; logname= uid=0 eui
...

[2020-06-05 05:33:18] NOTICE[1288][C-000008da] chan_sip.c: Call from '' (212.83.158.206:62420) to extension '99995011972592277524' rejected because extension not found in context 'public'.
[2020-06-05 05:33:18] SECURITY[1303] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-06-05T05:33:18.718-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="99995011972592277524",SessionID="0x7f4d7403c148",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/212.83.158.206/62420",ACLName="no_extension_match"
[2020-06-05 05:37:33] NOTICE[1288][C-000008db] chan_sip.c: Call from '' (212.83.158.206:56121) to extension '99991011972592277524' rejected because extension not found in context 'public'.
...

 TCP (SYN) 218.164.215.74:22552 -> port 37215, len 40

Jun  5 03:26:35 aragorn sshd[12906]: Invalid user redhat from 96.125.164.246
Jun  5 03:26:36 aragorn sshd[12908]: Invalid user redhat from 96.125.164.246
Jun  5 03:26:36 aragorn sshd[12910]: Invalid user redhat from 96.125.164.246
Jun  5 03:26:40 aragorn sshd[12912]: Invalid user redhat from 96.125.164.246
...

20 attempts against mh-ssh on cloud

\[Jun  5 19:08:06\] NOTICE\[2019\] chan_sip.c: Registration from '\' failed for '195.181.170.84:54826' - Wrong password
\[Jun  5 19:08:27\] NOTICE\[2019\] chan_sip.c: Registration from '\' failed for '195.181.170.84:49415' - Wrong password
\[Jun  5 19:08:47\] NOTICE\[2019\] chan_sip.c: Registration from '\' failed for '195.181.170.84:59335' - Wrong password
\[Jun  5 19:09:13\] NOTICE\[2019\] chan_sip.c: Registration from '\' failed for '195.181.170.84:55076' - Wrong password
\[Jun  5 19:09:36\] NOTICE\[2019\] chan_sip.c: Registration from '\' failed for '195.181.170.84:50134' - Wrong password
\[Jun  5 19:09:58\] NOTICE\[2019\] chan_sip.c: Registration from '\' failed for '195.181.170.84:60932' - Wrong password
\[Jun  5 19:10:19\] NOTICE\[2019\] chan_sip.c: Registration from '\' fail
...

 TCP (SYN) 1.20.219.100:11036 -> port 23, len 44

Jun  5 11:28:50 debian-2gb-nbg1-2 kernel: \[13608084.048084\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=180.166.141.58 DST=195.201.40.59 LEN=40 TOS=0x08 PREC=0x00 TTL=237 ID=2023 PROTO=TCP SPT=50029 DPT=23684 WINDOW=1024 RES=0x00 SYN URGP=0

 TCP (SYN) 162.243.138.18:40903 -> port 1433, len 40

Jun  5 14:28:59 itv-usvr-02 sshd[27941]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=60.190.243.230  user=root
Jun  5 14:31:02 itv-usvr-02 sshd[28046]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=60.190.243.230  user=root
Jun  5 14:32:54 itv-usvr-02 sshd[28109]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=60.190.243.230  user=root

Jun  5 10:48:37 vmd17057 sshd[4359]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=200.2.142.51 
Jun  5 10:48:39 vmd17057 sshd[4359]: Failed password for invalid user user from 200.2.142.51 port 55148 ssh2
...