\[2019-08-13 22:23:57\] NOTICE\[5713\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '77.234.46.145:5987' \(callid: 627922654-1829003958-458813453\) - Failed to authenticate
\[2019-08-13 22:23:57\] SECURITY\[1715\] res_security_log.c: SecurityEvent="ChallengeResponseFailed",EventTV="2019-08-13T22:23:57.475+0200",Severity="Error",Service="PJSIP",EventVersion="1",AccountID="\",SessionID="627922654-1829003958-458813453",LocalAddress="IPV4/UDP/188.40.118.248/5060",RemoteAddress="IPV4/UDP/77.234.46.145/5987",Challenge="1565727837/1f8f0cf151489e941cd77f7763c2fb0a",Response="325d83befecdb5d5dbd7667c28bb7879",ExpectedResponse=""
\[2019-08-13 22:23:57\] NOTICE\[18654\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '77.234.46.145:5987' \(callid: 627922654-1829003958-458813453\) - Failed to authenticate
\[2019-08-13 22:23:57\] SECURITY\[1715\] res_security_log.c: SecurityEvent="ChallengeResponseFailed

this person hacked one of my social media accounts and sold it online.

Web App Attack

\[2019-07-05 04:57:44\] NOTICE\[13443\] chan_sip.c: Registration from '\' failed for '77.234.46.193:2790' - Wrong password
\[2019-07-05 04:57:58\] NOTICE\[13443\] chan_sip.c: Registration from '\' failed for '77.234.46.193:2724' - Wrong password
\[2019-07-05 04:58:13\] NOTICE\[13443\] chan_sip.c: Registration from '\' failed for '77.234.46.193:2761' - Wrong password
...

\[2019-07-05 00:22:58\] NOTICE\[13443\] chan_sip.c: Registration from '\' failed for '77.234.46.193:2675' - Wrong password
\[2019-07-05 00:22:58\] SECURITY\[13451\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-07-05T00:22:58.393-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="8090",SessionID="0x7f02f8335788",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/77.234.46.193/63609",Challenge="694c01fe",ReceivedChallenge="694c01fe",ReceivedHash="259209eb0904d2473a2961fd0318ad0f"
\[2019-07-05 00:23:13\] NOTICE\[13443\] chan_sip.c: Registration from '\' failed for '77.234.46.193:2751' - Wrong password
\[2019-07-05 00:23:13\] SECURITY\[13451\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-07-05T00:23:13.994-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="9002",SessionID="0x7f02f869b578",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/77.234.

\[2019-07-04 17:03:45\] NOTICE\[13443\] chan_sip.c: Registration from '\' failed for '77.234.46.193:2759' - Wrong password
\[2019-07-04 17:04:00\] NOTICE\[13443\] chan_sip.c: Registration from '\' failed for '77.234.46.193:2634' - Wrong password
\[2019-07-04 17:04:13\] NOTICE\[13443\] chan_sip.c: Registration from '\' failed for '77.234.46.193:2762' - Wrong password
...

\[2019-07-02 21:20:08\] NOTICE\[13443\] chan_sip.c: Registration from '\' failed for '77.234.46.193:2622' - Wrong password
\[2019-07-02 21:20:08\] SECURITY\[13451\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-07-02T21:20:08.542-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="1011",SessionID="0x7f02f81ae088",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/77.234.46.193/57160",Challenge="7731fff5",ReceivedChallenge="7731fff5",ReceivedHash="08e4d2335f5dd4d3effc102911225033"
\[2019-07-02 21:20:22\] NOTICE\[13443\] chan_sip.c: Registration from '\' failed for '77.234.46.193:2695' - Wrong password
\[2019-07-02 21:20:22\] SECURITY\[13451\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-07-02T21:20:22.815-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="1012",SessionID="0x7f02f810d948",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/77.234.

\[2019-07-02 07:03:32\] NOTICE\[13443\] chan_sip.c: Registration from '\' failed for '77.234.46.193:2782' - Wrong password
\[2019-07-02 07:03:32\] SECURITY\[13451\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-07-02T07:03:32.678-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="999",SessionID="0x7f02f80d17f8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/77.234.46.193/51430",Challenge="07cf4505",ReceivedChallenge="07cf4505",ReceivedHash="2ac3c2b81f182654c439829811ef7668"
\[2019-07-02 07:03:46\] NOTICE\[13443\] chan_sip.c: Registration from '\' failed for '77.234.46.193:2786' - Wrong password
\[2019-07-02 07:03:46\] SECURITY\[13451\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-07-02T07:03:46.438-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="9999",SessionID="0x7f02f82b2728",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/77.234.46

\[2019-07-01 18:33:26\] NOTICE\[13443\] chan_sip.c: Registration from '\' failed for '77.234.46.193:2695' - Wrong password
\[2019-07-01 18:33:26\] SECURITY\[13451\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-07-01T18:33:26.741-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="703",SessionID="0x7f02f810d9f8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/77.234.46.193/59624",Challenge="1b5ac43b",ReceivedChallenge="1b5ac43b",ReceivedHash="f8a18d20149947040bca9e8c82805ee7"
\[2019-07-01 18:33:42\] NOTICE\[13443\] chan_sip.c: Registration from '\' failed for '77.234.46.193:2637' - Wrong password
\[2019-07-01 18:33:42\] SECURITY\[13451\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-07-01T18:33:42.683-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="704",SessionID="0x7f02f81b0978",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/77.234.46.1

\[2019-06-22 00:31:36\] SECURITY\[1857\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-06-22T00:31:36.791-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="51900972595146363",SessionID="0x7fc4240077d8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/77.234.46.242/64356",ACLName="no_extension_match"
\[2019-06-22 00:37:47\] SECURITY\[1857\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-06-22T00:37:47.727-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="52200972595146363",SessionID="0x7fc4240077d8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/77.234.46.242/61964",ACLName="no_extension_match"
\[2019-06-22 00:39:53\] SECURITY\[1857\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-06-22T00:39:53.699-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="52300972595146363",SessionID="0x7fc424003de8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/77.234.46.242/61031",ACLName="

\[2019-06-21 11:34:05\] SECURITY\[2312\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-06-21T11:34:05.848-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="14300972595146363",SessionID="0x7fea9c696c38",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/77.234.46.242/61486",ACLName="no_extension_match"
\[2019-06-21 11:36:02\] SECURITY\[2312\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-06-21T11:36:02.121-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="14400972595146363",SessionID="0x7fea9d2c8fd8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/77.234.46.242/56037",ACLName="no_extension_match"
\[2019-06-21 11:38:06\] SECURITY\[2312\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-06-21T11:38:06.926-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="14500972595146363",SessionID="0x7fea9c696c38",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/77.234.46.242/60306",ACLName="

Feb 10 05:52:51 v22018076622670303 sshd\[10117\]: Invalid user mfh from 178.62.37.78 port 33576
Feb 10 05:52:51 v22018076622670303 sshd\[10117\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.62.37.78
Feb 10 05:52:52 v22018076622670303 sshd\[10117\]: Failed password for invalid user mfh from 178.62.37.78 port 33576 ssh2
...

2020-02-10T05:29:11.045238  sshd[6752]: Invalid user klq from 165.227.58.61 port 37646
2020-02-10T05:29:11.059461  sshd[6752]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.58.61
2020-02-10T05:29:11.045238  sshd[6752]: Invalid user klq from 165.227.58.61 port 37646
2020-02-10T05:29:13.229339  sshd[6752]: Failed password for invalid user klq from 165.227.58.61 port 37646 ssh2
2020-02-10T05:53:38.855813  sshd[7567]: Invalid user zyn from 165.227.58.61 port 57786
...

unauthorized connection attempt

Feb 10 06:32:32 163-172-32-151 sshd[17010]: Invalid user gjl from 129.226.67.136 port 54016
...

Honeypot attack, port: 445, PTR: 177-103-161-65.dsl.telesp.net.br.

Triggered by Fail2Ban at Ares web server

Feb 10 01:52:49 firewall sshd[24502]: Invalid user admin from 179.57.0.72
Feb 10 01:52:51 firewall sshd[24502]: Failed password for invalid user admin from 179.57.0.72 port 46073 ssh2
Feb 10 01:52:57 firewall sshd[24508]: Invalid user admin from 179.57.0.72
...

Feb 10 07:06:39 PAR-161229 sshd[60092]: Failed password for invalid user ahj from 185.49.169.8 port 51520 ssh2
Feb 10 07:22:56 PAR-161229 sshd[60350]: Failed password for invalid user ntw from 185.49.169.8 port 52880 ssh2
Feb 10 07:26:10 PAR-161229 sshd[60450]: Failed password for invalid user gcc from 185.49.169.8 port 53674 ssh2

SSH login attempts

2020-02-10T04:46:24.278046abusebot-2.cloudsearch.cf sshd[21027]: Invalid user kz from 106.12.156.236 port 37912
2020-02-10T04:46:24.283522abusebot-2.cloudsearch.cf sshd[21027]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.156.236
2020-02-10T04:46:24.278046abusebot-2.cloudsearch.cf sshd[21027]: Invalid user kz from 106.12.156.236 port 37912
2020-02-10T04:46:26.262827abusebot-2.cloudsearch.cf sshd[21027]: Failed password for invalid user kz from 106.12.156.236 port 37912 ssh2
2020-02-10T04:52:56.252296abusebot-2.cloudsearch.cf sshd[21350]: Invalid user fdq from 106.12.156.236 port 42418
2020-02-10T04:52:56.263603abusebot-2.cloudsearch.cf sshd[21350]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.156.236
2020-02-10T04:52:56.252296abusebot-2.cloudsearch.cf sshd[21350]: Invalid user fdq from 106.12.156.236 port 42418
2020-02-10T04:52:58.393196abusebot-2.cloudsearch.cf sshd[21350]: Failed passw
...

Feb 10 08:17:55 ws26vmsma01 sshd[160065]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.78.7
Feb 10 08:17:57 ws26vmsma01 sshd[160065]: Failed password for invalid user bns from 106.13.78.7 port 52357 ssh2
...

Automatic report - Port Scan Attack

Honeypot attack, port: 81, PTR: PTR record not found

Feb 10 09:10:24 game-panel sshd[9805]: Failed password for root from 218.92.0.148 port 6056 ssh2
Feb 10 09:10:37 game-panel sshd[9805]: error: maximum authentication attempts exceeded for root from 218.92.0.148 port 6056 ssh2 [preauth]
Feb 10 09:10:42 game-panel sshd[9808]: Failed password for root from 218.92.0.148 port 45180 ssh2

Feb 10 05:52:52 cp sshd[16924]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.235.137.201