UDP 81.171.5.193:5086 -> port 5060, len 436

$f2bV_matches

Brute forcing RDP port 3389

\[2019-10-03 19:55:20\] NOTICE\[1948\] chan_sip.c: Registration from '\' failed for '81.171.58.169:57646' - Wrong password
\[2019-10-03 19:55:20\] SECURITY\[2006\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-10-03T19:55:20.922-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="14637",SessionID="0x7f1e1c18d4b8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/81.171.58.169/57646",Challenge="41c6b477",ReceivedChallenge="41c6b477",ReceivedHash="2e5fa560951e571b7f09e22fee4f44bf"
\[2019-10-03 19:56:09\] NOTICE\[1948\] chan_sip.c: Registration from '\' failed for '81.171.58.169:55961' - Wrong password
\[2019-10-03 19:56:09\] SECURITY\[2006\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-10-03T19:56:09.386-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="10287",SessionID="0x7f1e1c2f44f8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/81.17

\[2019-10-03 14:49:02\] NOTICE\[1948\] chan_sip.c: Registration from '\' failed for '81.171.58.169:52231' - Wrong password
\[2019-10-03 14:49:02\] SECURITY\[2006\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-10-03T14:49:02.044-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="25265",SessionID="0x7f1e1c02d9c8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/81.171.58.169/52231",Challenge="00cc7a4c",ReceivedChallenge="00cc7a4c",ReceivedHash="94e8442ee5d08dada044ff54a8d677c6"
\[2019-10-03 14:49:52\] NOTICE\[1948\] chan_sip.c: Registration from '\' failed for '81.171.58.169:51231' - Wrong password
\[2019-10-03 14:49:52\] SECURITY\[2006\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-10-03T14:49:52.199-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="10027",SessionID="0x7f1e1c2bed58",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/81.17

\[2019-10-02 06:17:15\] NOTICE\[1948\] chan_sip.c: Registration from '\' failed for '81.171.58.169:57370' - Wrong password
\[2019-10-02 06:17:15\] SECURITY\[2006\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-10-02T06:17:15.344-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="19517",SessionID="0x7f1e1c53ea18",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/81.171.58.169/57370",Challenge="28c43c23",ReceivedChallenge="28c43c23",ReceivedHash="aada70f8f75db732e3554136d5b07f4b"
\[2019-10-02 06:17:58\] NOTICE\[1948\] chan_sip.c: Registration from '\' failed for '81.171.58.169:56179' - Wrong password
\[2019-10-02 06:17:58\] SECURITY\[2006\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-10-02T06:17:58.011-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="23041",SessionID="0x7f1e1d0db3e8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/81.17

Sep 30 06:52:56 luisaranguren wordpress(life.luisaranguren.com)[1775276]: Authentication attempt for unknown user admin from 81.171.56.142
...

\[2019-09-27 08:50:00\] NOTICE\[18654\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '81.171.58.182:57613' \(callid: 1333370421-481187802-1858144895\) - Failed to authenticate
\[2019-09-27 08:50:00\] SECURITY\[1715\] res_security_log.c: SecurityEvent="ChallengeResponseFailed",EventTV="2019-09-27T08:50:00.668+0200",Severity="Error",Service="PJSIP",EventVersion="1",AccountID="\",SessionID="1333370421-481187802-1858144895",LocalAddress="IPV4/UDP/188.40.118.248/5060",RemoteAddress="IPV4/UDP/81.171.58.182/57613",Challenge="1569567000/7daa4da04e4fcc795dbbb2317fc1c580",Response="2967d15325be825f2c26204e596cd8f7",ExpectedResponse=""
\[2019-09-27 08:50:00\] NOTICE\[1168\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '81.171.58.182:57613' \(callid: 1333370421-481187802-1858144895\) - Failed to authenticate
\[2019-09-27 08:50:00\] SECURITY\[1715\] res_security_log.c: SecurityEvent="ChallengeResponseFa

\[2019-09-26 09:30:40\] NOTICE\[14660\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '81.171.58.182:64769' \(callid: 1832784954-1306307298-904183106\) - Failed to authenticate
\[2019-09-26 09:30:40\] SECURITY\[1715\] res_security_log.c: SecurityEvent="ChallengeResponseFailed",EventTV="2019-09-26T09:30:40.589+0200",Severity="Error",Service="PJSIP",EventVersion="1",AccountID="\",SessionID="1832784954-1306307298-904183106",LocalAddress="IPV4/UDP/188.40.118.248/5060",RemoteAddress="IPV4/UDP/81.171.58.182/64769",Challenge="1569483040/bdf4b8ac73d03971941b75372ea2e590",Response="f1ef8db92c3dae3a26db31ca2df0a096",ExpectedResponse=""
\[2019-09-26 09:30:40\] NOTICE\[25634\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '81.171.58.182:64769' \(callid: 1832784954-1306307298-904183106\) - Failed to authenticate
\[2019-09-26 09:30:40\] SECURITY\[1715\] res_security_log.c: SecurityEvent="ChallengeResponseF

\[2019-09-15 09:23:22\] NOTICE\[20685\] chan_sip.c: Registration from '\' failed for '81.171.58.72:63263' - Wrong password
\[2019-09-15 09:23:22\] SECURITY\[20693\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-09-15T09:23:22.962-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="2276",SessionID="0x7f8a6c255a88",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/81.171.58.72/63263",Challenge="4e55de05",ReceivedChallenge="4e55de05",ReceivedHash="cf04ec34a09d20b3cdc9c852861fec2b"
\[2019-09-15 09:23:50\] NOTICE\[20685\] chan_sip.c: Registration from '\' failed for '81.171.58.72:55571' - Wrong password
\[2019-09-15 09:23:50\] SECURITY\[20693\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-09-15T09:23:50.666-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="888",SessionID="0x7f8a6c6094e8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/81.171.58.

\[2019-09-14 21:52:44\] NOTICE\[20685\] chan_sip.c: Registration from '\' failed for '81.171.58.72:60548' - Wrong password
\[2019-09-14 21:52:44\] SECURITY\[20693\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-09-14T21:52:44.036-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="9520",SessionID="0x7f8a6c6094e8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/81.171.58.72/60548",Challenge="52b9688a",ReceivedChallenge="52b9688a",ReceivedHash="a281472ce410fffe48bc9ccd39403d64"
\[2019-09-14 21:53:09\] NOTICE\[20685\] chan_sip.c: Registration from '\' failed for '81.171.58.72:64462' - Wrong password
\[2019-09-14 21:53:09\] SECURITY\[20693\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-09-14T21:53:09.754-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="5407",SessionID="0x7f8a6c30ae18",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/81.171.5

\[2019-09-13 16:41:25\] NOTICE\[20685\] chan_sip.c: Registration from '\' failed for '81.171.58.72:56754' - Wrong password
\[2019-09-13 16:41:25\] SECURITY\[20693\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-09-13T16:41:25.281-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="9143",SessionID="0x7f8a6c255a88",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/81.171.58.72/56754",Challenge="376670ac",ReceivedChallenge="376670ac",ReceivedHash="434faa32ad2bc81725ec401c7deb8fbf"
\[2019-09-13 16:41:44\] NOTICE\[20685\] chan_sip.c: Registration from '\' failed for '81.171.58.72:64344' - Wrong password
\[2019-09-13 16:41:44\] SECURITY\[20693\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-09-13T16:41:44.033-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="7429",SessionID="0x7f8a6c830888",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/81.171.5

\[2019-09-12 06:18:34\] NOTICE\[1827\] chan_sip.c: Registration from '\' failed for '81.171.58.72:54054' - Wrong password
\[2019-09-12 06:18:34\] SECURITY\[1849\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-09-12T06:18:34.792-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="4583",SessionID="0x7fd9a83796a8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/81.171.58.72/54054",Challenge="59164cdb",ReceivedChallenge="59164cdb",ReceivedHash="f21fdb2cf9af5c0a596e81f517455a4e"
\[2019-09-12 06:18:54\] NOTICE\[1827\] chan_sip.c: Registration from '\' failed for '81.171.58.72:64181' - Wrong password
\[2019-09-12 06:18:54\] SECURITY\[1849\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-09-12T06:18:54.624-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="2638",SessionID="0x7fd9a8545448",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/81.171.58.72

\[2019-09-11 18:50:26\] NOTICE\[1827\] chan_sip.c: Registration from '\' failed for '81.171.58.72:54971' - Wrong password
\[2019-09-11 18:50:26\] SECURITY\[1849\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-09-11T18:50:26.922-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="607",SessionID="0x7fd9a86cbbd8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/81.171.58.72/54971",Challenge="0d0f5554",ReceivedChallenge="0d0f5554",ReceivedHash="10efe34a38d40a417471a14c3864f132"
\[2019-09-11 18:50:49\] NOTICE\[1827\] chan_sip.c: Registration from '\' failed for '81.171.58.72:51668' - Wrong password
\[2019-09-11 18:50:49\] SECURITY\[1849\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-09-11T18:50:49.882-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="8250",SessionID="0x7fd9a819fa08",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/81.171.58.72/5

\[2019-09-10 23:50:29\] NOTICE\[1827\] chan_sip.c: Registration from '\' failed for '81.171.58.72:55568' - Wrong password
\[2019-09-10 23:50:29\] SECURITY\[1849\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-09-10T23:50:29.432-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="1208",SessionID="0x7fd9a80f66a8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/81.171.58.72/55568",Challenge="3c1fdcc0",ReceivedChallenge="3c1fdcc0",ReceivedHash="895b8459047c60e3769489c4be75a7da"
\[2019-09-10 23:50:48\] NOTICE\[1827\] chan_sip.c: Registration from '\' failed for '81.171.58.72:50802' - Wrong password
\[2019-09-10 23:50:48\] SECURITY\[1849\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-09-10T23:50:48.979-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="9432",SessionID="0x7fd9a8c8f538",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/81.171.58.72

Fail2Ban - SSH Bruteforce Attempt

MultiHost/MultiPort Probe, Scan, Hack -

$f2bV_matches

2019-10-19T17:03:20.213136suse-nuc sshd[13721]: Invalid user arrezo from 73.109.11.25 port 57818
...

Total attacks: 58

2020-01-15T23:55:37.987419suse-nuc sshd[11494]: Invalid user fitz from 73.15.91.251 port 50732
...

ZM_ZAMREN-MNT_<177>1581977337 [1:2010935:3] ET SCAN Suspicious inbound to MSSQL port 1433 [Classification: Potentially Bad Traffic] [Priority: 2] {TCP} 41.63.1.42:40002

Invalid user huang from 206.189.98.225 port 37490

Feb 17 15:01:26 server sshd\[23535\]: Failed password for invalid user g from 111.93.235.74 port 64094 ssh2
Feb 18 03:48:44 server sshd\[6213\]: Invalid user tester from 111.93.235.74
Feb 18 03:48:44 server sshd\[6213\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.93.235.74 
Feb 18 03:48:46 server sshd\[6213\]: Failed password for invalid user tester from 111.93.235.74 port 4807 ssh2
Feb 18 03:54:38 server sshd\[7234\]: Invalid user felix from 111.93.235.74
Feb 18 03:54:38 server sshd\[7234\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.93.235.74 
...

sshd jail - ssh hack attempt

Feb 18 01:12:32 ns381471 sshd[1798]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=73.46.72.104
Feb 18 01:12:34 ns381471 sshd[1798]: Failed password for invalid user lars from 73.46.72.104 port 59140 ssh2

Port probing on unauthorized port 3389

2020-02-17T19:10:36.3421731495-001 sshd[35956]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=107.172.46.12
2020-02-17T19:10:36.3344491495-001 sshd[35956]: Invalid user service from 107.172.46.12 port 55398
2020-02-17T19:10:38.2919711495-001 sshd[35956]: Failed password for invalid user service from 107.172.46.12 port 55398 ssh2
2020-02-17T20:10:51.9546621495-001 sshd[39507]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=107.172.46.12  user=root
2020-02-17T20:10:53.8504321495-001 sshd[39507]: Failed password for root from 107.172.46.12 port 45656 ssh2
2020-02-17T20:12:38.2545751495-001 sshd[39585]: Invalid user guest from 107.172.46.12 port 60760
2020-02-17T20:12:38.2582281495-001 sshd[39585]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=107.172.46.12
2020-02-17T20:12:38.2545751495-001 sshd[39585]: Invalid user guest from 107.172.46.12 port 60760
2020-02-17T20:
...

Feb 17 23:09:01 grey postfix/smtpd\[14967\]: NOQUEUE: reject: RCPT from unknown\[218.75.151.45\]: 554 5.7.1 Service unavailable\; Client host \[218.75.151.45\] blocked using truncate.gbudb.net\; http://www.gbudb.com/truncate/ \[218.75.151.45\]\; from=\ to=\ proto=SMTP helo=\
...

[Tue Feb 18 05:08:42.256743 2020] [:error] [pid 3006:tid 140024745875200] [client 203.78.118.79:35904] [client 203.78.118.79] ModSecurity: Access denied with code 403 (phase 4). Pattern match "^5\\\\d{2}$" at RESPONSE_STATUS. [file "/etc/modsecurity/owasp-modsecurity-crs-3.2.0/rules/RESPONSE-950-DATA-LEAKAGES.conf"] [line "118"] [id "950100"] [msg "The Application Returned a 500-Level Status Code"] [data "Matched Data: 500 found within RESPONSE_STATUS: 500"] [severity "ERROR"] [ver "OWASP_CRS/3.2.0"] [tag "application-multi"] [tag "language-multi"] [tag "platform-multi"] [tag "attack-disclosure"] [tag "WASCTC/WASC-13"] [tag "OWASP_TOP_10/A6"] [tag "PCI/6.5.6"] [tag "paranoia-level/2"] [hostname "karangploso.jatim.bmkg.go.id"] [uri "/index.php/prakiraan-iklim/prakiraan-musim/prakiraan-musim-kemarau/prakiraan-curah-hujan-musim-kemarau"] [unique_id "XksO6v9hjXUAE8jSj6R-hAAAAKg"]
...