Excessive Port-Scanning

[2020-10-13 15:19:26] NOTICE[1182] chan_sip.c: Registration from '"301" ' failed for '45.143.221.103:5683' - Wrong password
[2020-10-13 15:19:26] SECURITY[1204] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-10-13T15:19:26.829-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="301",SessionID="0x7f22f80ac0a8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.143.221.103/5683",Challenge="7a628e30",ReceivedChallenge="7a628e30",ReceivedHash="0119f7e30ee57384234432f30b70c098"
[2020-10-13 15:19:26] NOTICE[1182] chan_sip.c: Registration from '"301" ' failed for '45.143.221.103:5683' - Wrong password
[2020-10-13 15:19:26] SECURITY[1204] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-10-13T15:19:26.966-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="301",SessionID="0x7f22f840cf98",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.14
...

[2020-10-13 06:46:57] NOTICE[1182] chan_sip.c: Registration from '"3333" ' failed for '45.143.221.103:5645' - Wrong password
[2020-10-13 06:46:57] SECURITY[1204] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-10-13T06:46:57.038-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="3333",SessionID="0x7f22f840cf98",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.143.221.103/5645",Challenge="3439c4fc",ReceivedChallenge="3439c4fc",ReceivedHash="3062dbecaf2621780fa5e34eb195d058"
[2020-10-13 06:46:57] NOTICE[1182] chan_sip.c: Registration from '"3333" ' failed for '45.143.221.103:5645' - Wrong password
[2020-10-13 06:46:57] SECURITY[1204] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-10-13T06:46:57.188-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="3333",SessionID="0x7f22f83b6678",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP
...

Automatic report - Banned IP Access

[2020-10-12 16:53:29] NOTICE[1182] chan_sip.c: Registration from '"101" ' failed for '45.143.221.110:5615' - Wrong password
[2020-10-12 16:53:29] SECURITY[1204] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-10-12T16:53:29.550-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="101",SessionID="0x7f22f8572958",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.143.221.110/5615",Challenge="0ad9c2aa",ReceivedChallenge="0ad9c2aa",ReceivedHash="886a00a66a8cbf6f214248f22ce3a6c8"
[2020-10-12 16:53:29] NOTICE[1182] chan_sip.c: Registration from '"101" ' failed for '45.143.221.110:5615' - Wrong password
[2020-10-12 16:53:29] SECURITY[1204] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-10-12T16:53:29.962-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="101",SessionID="0x7f22f8418138",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.14
...

[2020-10-11 16:12:54] NOTICE[1182] chan_sip.c: Registration from '"3000" ' failed for '45.143.221.110:5288' - Wrong password
[2020-10-11 16:12:54] SECURITY[1204] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-10-11T16:12:54.204-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="3000",SessionID="0x7f22f840f098",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.143.221.110/5288",Challenge="526e051c",ReceivedChallenge="526e051c",ReceivedHash="7428017ede0270c83e0c7304a25a34ab"
[2020-10-11 16:12:54] NOTICE[1182] chan_sip.c: Registration from '"3000" ' failed for '45.143.221.110:5288' - Wrong password
[2020-10-11 16:12:54] SECURITY[1204] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-10-11T16:12:54.355-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="3000",SessionID="0x7f22f854d238",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP
...

TCP port : 5060

[2020-10-11 12:22:47] NOTICE[1182][C-00002dff] chan_sip.c: Call from '' (45.143.221.96:5071) to extension '972595778361' rejected because extension not found in context 'public'.
[2020-10-11 12:22:47] SECURITY[1204] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-10-11T12:22:47.182-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="972595778361",SessionID="0x7f22f8418138",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.143.221.96/5071",ACLName="no_extension_match"
[2020-10-11 12:31:40] NOTICE[1182][C-00002e08] chan_sip.c: Call from '' (45.143.221.96:5080) to extension '011972595778361' rejected because extension not found in context 'public'.
[2020-10-11 12:31:40] SECURITY[1204] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-10-11T12:31:40.743-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="011972595778361",SessionID="0x7f22f840f098",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.143.22
...

ET CINS Active Threat Intelligence Poor Reputation IP group 28 - port: 5070 proto: udp cat: Misc Attackbytes: 454

[2020-10-11 12:04:24] NOTICE[1182] chan_sip.c: Registration from '"9900" ' failed for '45.143.221.41:7384' - Wrong password
[2020-10-11 12:04:24] SECURITY[1204] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-10-11T12:04:24.226-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="9900",SessionID="0x7f22f854d238",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.143.221.41/7384",Challenge="680a328f",ReceivedChallenge="680a328f",ReceivedHash="1e6e62d2c5d20e0f03dc77bd5f78bb79"
[2020-10-11 12:04:24] NOTICE[1182] chan_sip.c: Registration from '"9900" ' failed for '45.143.221.41:7384' - Wrong password
[2020-10-11 12:04:24] SECURITY[1204] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-10-11T12:04:24.402-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="9900",SessionID="0x7f22f83b6678",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45
...

[2020-10-11 08:58:48] NOTICE[1182] chan_sip.c: Registration from '"3071" ' failed for '45.143.221.110:5956' - Wrong password
[2020-10-11 08:58:48] SECURITY[1204] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-10-11T08:58:48.652-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="3071",SessionID="0x7f22f840f098",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.143.221.110/5956",Challenge="2bf8793a",ReceivedChallenge="2bf8793a",ReceivedHash="b66b2e9d962113daef388dc0c0e3980a"
[2020-10-11 08:58:48] NOTICE[1182] chan_sip.c: Registration from '"3071" ' failed for '45.143.221.110:5956' - Wrong password
[2020-10-11 08:58:48] SECURITY[1204] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-10-11T08:58:48.770-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="3071",SessionID="0x7f22f854d238",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP
...

TCP port : 5060

[2020-10-11 05:57:59] NOTICE[1182][C-00002cca] chan_sip.c: Call from '' (45.143.221.96:5071) to extension '972595778361' rejected because extension not found in context 'public'.
[2020-10-11 05:57:59] SECURITY[1204] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-10-11T05:57:59.878-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="972595778361",SessionID="0x7f22f840cf98",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.143.221.96/5071",ACLName="no_extension_match"
[2020-10-11 05:59:57] NOTICE[1182][C-00002ccf] chan_sip.c: Call from '' (45.143.221.96:5070) to extension '011972595778361' rejected because extension not found in context 'public'.
[2020-10-11 05:59:57] SECURITY[1204] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-10-11T05:59:57.598-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="011972595778361",SessionID="0x7f22f840f098",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.143.22
...

[2020-10-11 02:15:56] NOTICE[1182] chan_sip.c: Registration from '"654321" ' failed for '45.143.221.103:5703' - Wrong password
[2020-10-11 02:15:56] SECURITY[1204] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-10-11T02:15:56.179-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="654321",SessionID="0x7f22f840f098",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.143.221.103/5703",Challenge="2fa01f1f",ReceivedChallenge="2fa01f1f",ReceivedHash="b9e3f4d835296970b0072df2ccd108c6"
[2020-10-11 02:15:56] NOTICE[1182] chan_sip.c: Registration from '"654321" ' failed for '45.143.221.103:5703' - Wrong password
[2020-10-11 02:15:56] SECURITY[1204] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-10-11T02:15:56.319-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="654321",SessionID="0x7f22f840cf98",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddre
...

ET CINS Active Threat Intelligence Poor Reputation IP group 28 - port: 5070 proto: udp cat: Misc Attackbytes: 456

[2020-10-11 03:27:05] NOTICE[1182] chan_sip.c: Registration from '"1004" ' failed for '45.143.221.41:5938' - Wrong password
[2020-10-11 03:27:05] SECURITY[1204] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-10-11T03:27:05.440-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="1004",SessionID="0x7f22f854d238",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.143.221.41/5938",Challenge="304b0393",ReceivedChallenge="304b0393",ReceivedHash="8b3a810e211de8db8067cab412f11f68"
[2020-10-11 03:27:05] NOTICE[1182] chan_sip.c: Registration from '"1004" ' failed for '45.143.221.41:5938' - Wrong password
[2020-10-11 03:27:05] SECURITY[1204] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-10-11T03:27:05.679-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="1004",SessionID="0x7f22f83116b8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45
...

SSH Brute-Force reported by Fail2Ban

SSH-BruteForce

Mar 24 01:09:42 vpn01 sshd[7821]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=41.57.65.76
Mar 24 01:09:45 vpn01 sshd[7821]: Failed password for invalid user tom from 41.57.65.76 port 42588 ssh2
...

2020-03-24T00:18:37.233979vps773228.ovh.net sshd[18184]: Failed password for root from 222.186.42.155 port 42127 ssh2
2020-03-24T00:18:39.748595vps773228.ovh.net sshd[18184]: Failed password for root from 222.186.42.155 port 42127 ssh2
2020-03-24T00:18:42.213245vps773228.ovh.net sshd[18184]: Failed password for root from 222.186.42.155 port 42127 ssh2
2020-03-24T01:50:18.044738vps773228.ovh.net sshd[19747]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.42.155  user=root
2020-03-24T01:50:19.535149vps773228.ovh.net sshd[19747]: Failed password for root from 222.186.42.155 port 11908 ssh2
...

Mar 24 01:33:54 ns3042688 sshd\[31605\]: Invalid user unify from 122.51.101.136
Mar 24 01:33:54 ns3042688 sshd\[31605\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.101.136 
Mar 24 01:33:56 ns3042688 sshd\[31605\]: Failed password for invalid user unify from 122.51.101.136 port 56514 ssh2
Mar 24 01:38:00 ns3042688 sshd\[31915\]: Invalid user test from 122.51.101.136
Mar 24 01:38:00 ns3042688 sshd\[31915\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.101.136 
...

2020-03-24T00:36:20.956427shield sshd\[17827\]: Invalid user ximens from 83.3.255.202 port 40506
2020-03-24T00:36:20.965860shield sshd\[17827\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=gtv202.internetdsl.tpnet.pl
2020-03-24T00:36:22.414673shield sshd\[17827\]: Failed password for invalid user ximens from 83.3.255.202 port 40506 ssh2
2020-03-24T00:40:31.700415shield sshd\[18778\]: Invalid user admin from 83.3.255.202 port 54758
2020-03-24T00:40:31.709546shield sshd\[18778\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=gtv202.internetdsl.tpnet.pl

2020-03-24 01:43:21 dovecot_login authenticator failed for \(User\) \[92.118.38.42\]: 535 Incorrect authentication data \(set_id=setup@no-server.de\)
2020-03-24 01:43:56 dovecot_login authenticator failed for \(User\) \[92.118.38.42\]: 535 Incorrect authentication data \(set_id=setup@no-server.de\)
2020-03-24 01:44:05 dovecot_login authenticator failed for \(User\) \[92.118.38.42\]: 535 Incorrect authentication data \(set_id=setup@no-server.de\)
2020-03-24 01:46:39 dovecot_login authenticator failed for \(User\) \[92.118.38.42\]: 535 Incorrect authentication data \(set_id=sg@no-server.de\)
2020-03-24 01:47:13 dovecot_login authenticator failed for \(User\) \[92.118.38.42\]: 535 Incorrect authentication data \(set_id=sg@no-server.de\)
...

k+ssh-bruteforce

Mar 24 01:59:59 plex sshd[8318]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.180.130  user=root
Mar 24 02:00:01 plex sshd[8318]: Failed password for root from 222.186.180.130 port 45474 ssh2

(sshd) Failed SSH login from 68.183.156.109 (US/United States/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Mar 24 01:00:36 amsweb01 sshd[2212]: Invalid user jbava from 68.183.156.109 port 48376
Mar 24 01:00:38 amsweb01 sshd[2212]: Failed password for invalid user jbava from 68.183.156.109 port 48376 ssh2
Mar 24 01:06:23 amsweb01 sshd[2909]: Invalid user gj from 68.183.156.109 port 43550
Mar 24 01:06:25 amsweb01 sshd[2909]: Failed password for invalid user gj from 68.183.156.109 port 43550 ssh2
Mar 24 01:08:42 amsweb01 sshd[3202]: Invalid user postgres from 68.183.156.109 port 33870

Mar 24 01:41:40 legacy sshd[15219]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.25.87.27
Mar 24 01:41:42 legacy sshd[15219]: Failed password for invalid user signature from 118.25.87.27 port 42110 ssh2
Mar 24 01:46:28 legacy sshd[15329]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.25.87.27
...

Mar 24 00:00:17 combo sshd[15251]: Invalid user mf from 71.107.31.98 port 60037
Mar 24 00:00:20 combo sshd[15251]: Failed password for invalid user mf from 71.107.31.98 port 60037 ssh2
Mar 24 00:08:21 combo sshd[15901]: Invalid user deletee from 71.107.31.98 port 39299
...

Chat Spam

[2020-03-23 20:52:50] NOTICE[1148][C-00016069] chan_sip.c: Call from '' (185.53.88.49:5074) to extension '972595897084' rejected because extension not found in context 'public'.
[2020-03-23 20:52:50] SECURITY[1163] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-03-23T20:52:50.904-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="972595897084",SessionID="0x7fd82c43c848",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.53.88.49/5074",ACLName="no_extension_match"
[2020-03-23 20:56:30] NOTICE[1148][C-00016070] chan_sip.c: Call from '' (185.53.88.49:5071) to extension '9011972595897084' rejected because extension not found in context 'public'.
[2020-03-23 20:56:30] SECURITY[1163] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-03-23T20:56:30.751-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="9011972595897084",SessionID="0x7fd82c43c848",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.53.88.
...

Mar 24 06:03:31 areeb-Workstation sshd[26153]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.38.231.11 
Mar 24 06:03:34 areeb-Workstation sshd[26153]: Failed password for invalid user lili from 51.38.231.11 port 45722 ssh2
...