[2020-09-09 13:27:41] SECURITY[2022] res_security_log.c: SecurityEvent="ChallengeResponseFailed",EventTV="2020-09-09T13:27:41.388+0200",Severity="Error",Service="PJSIP",EventVersion="1",AccountID="",SessionID="518973635-123769044-452640836",LocalAddress="IPV4/UDP/51.255.2.242/5060",RemoteAddress="IPV4/UDP/5.183.92.170/60923",Challenge="1599650861/52198d4167c3a9a00e5d361ee7f02dcd",Response="6532c6282320ff82d1005d4123862644",ExpectedResponse=""
[2020-09-09 13:27:41] SECURITY[2022] res_security_log.c: SecurityEvent="InvalidAccountID",EventTV="2020-09-09T13:27:41.418+0200",Severity="Error",Service="PJSIP",EventVersion="1",AccountID="10",SessionID="518973635-123769044-452640836",LocalAddress="IPV4/UDP/51.255.2.242/5060",RemoteAddress="IPV4/UDP/5.183.92.170/60923"
[2020-09-09 13:27:41] SECURITY[2022] res_security_log.c: SecurityEvent="ChallengeResponseFailed",EventTV="2020-09-09T13:27:41.419+0200",Severity="Error",Service="PJSIP",EventVersion="1",AccountID="",SessionID="518
...

[2020-09-09 13:27:41] SECURITY[2022] res_security_log.c: SecurityEvent="ChallengeResponseFailed",EventTV="2020-09-09T13:27:41.388+0200",Severity="Error",Service="PJSIP",EventVersion="1",AccountID="",SessionID="518973635-123769044-452640836",LocalAddress="IPV4/UDP/51.255.2.242/5060",RemoteAddress="IPV4/UDP/5.183.92.170/60923",Challenge="1599650861/52198d4167c3a9a00e5d361ee7f02dcd",Response="6532c6282320ff82d1005d4123862644",ExpectedResponse=""
[2020-09-09 13:27:41] SECURITY[2022] res_security_log.c: SecurityEvent="InvalidAccountID",EventTV="2020-09-09T13:27:41.418+0200",Severity="Error",Service="PJSIP",EventVersion="1",AccountID="10",SessionID="518973635-123769044-452640836",LocalAddress="IPV4/UDP/51.255.2.242/5060",RemoteAddress="IPV4/UDP/5.183.92.170/60923"
[2020-09-09 13:27:41] SECURITY[2022] res_security_log.c: SecurityEvent="ChallengeResponseFailed",EventTV="2020-09-09T13:27:41.419+0200",Severity="Error",Service="PJSIP",EventVersion="1",AccountID="",SessionID="518
...

[2020-09-09 13:27:41] SECURITY[2022] res_security_log.c: SecurityEvent="ChallengeResponseFailed",EventTV="2020-09-09T13:27:41.388+0200",Severity="Error",Service="PJSIP",EventVersion="1",AccountID="",SessionID="518973635-123769044-452640836",LocalAddress="IPV4/UDP/51.255.2.242/5060",RemoteAddress="IPV4/UDP/5.183.92.170/60923",Challenge="1599650861/52198d4167c3a9a00e5d361ee7f02dcd",Response="6532c6282320ff82d1005d4123862644",ExpectedResponse=""
[2020-09-09 13:27:41] SECURITY[2022] res_security_log.c: SecurityEvent="InvalidAccountID",EventTV="2020-09-09T13:27:41.418+0200",Severity="Error",Service="PJSIP",EventVersion="1",AccountID="10",SessionID="518973635-123769044-452640836",LocalAddress="IPV4/UDP/51.255.2.242/5060",RemoteAddress="IPV4/UDP/5.183.92.170/60923"
[2020-09-09 13:27:41] SECURITY[2022] res_security_log.c: SecurityEvent="ChallengeResponseFailed",EventTV="2020-09-09T13:27:41.419+0200",Severity="Error",Service="PJSIP",EventVersion="1",AccountID="",SessionID="518
...

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[2020-07-16 18:26:05] NOTICE[1277] chan_sip.c: Registration from '"543"' failed for '5.183.92.128:52838' - Wrong password
[2020-07-16 18:26:05] SECURITY[1295] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-07-16T18:26:05.073-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="543",SessionID="0x7f175414cf98",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/5.183.92.128/52838",Challenge="328762d7",ReceivedChallenge="328762d7",ReceivedHash="f154eae596210d6e27e3ca3700e7b8de"
[2020-07-16 18:32:29] NOTICE[1277] chan_sip.c: Registration from '"544"' failed for '5.183.92.128:37339' - Wrong password
[2020-07-16 18:32:29] SECURITY[1295] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-07-16T18:32:29.083-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="544",SessionID="0x7f17540de808",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/5.183.92.1
...

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\[Apr 12 06:53:33\] NOTICE\[2019\] chan_sip.c: Registration from '\' failed for '5.183.92.176:53654' - Wrong password
\[Apr 12 06:54:20\] NOTICE\[2019\] chan_sip.c: Registration from '\' failed for '5.183.92.176:59122' - Wrong password
\[Apr 12 06:54:42\] NOTICE\[2019\] chan_sip.c: Registration from '\' failed for '5.183.92.176:60576' - Wrong password
\[Apr 12 06:54:48\] NOTICE\[2019\] chan_sip.c: Registration from '\' failed for '5.183.92.176:65343' - Wrong password
\[Apr 12 06:55:00\] NOTICE\[2019\] chan_sip.c: Registration from '\' failed for '5.183.92.176:59309' - Wrong password
\[Apr 12 06:55:11\] NOTICE\[2019\] chan_sip.c: Registration from '\' failed for '5.183.92.176:51353' - Wrong password
\[Apr 12 06:55:31\] NOTICE\[2019\] chan_sip.c: Registration from '\' failed for '5.1
...

Has tried to attack my server.

POST /index.php/napisat-nam.html HTTP/1.0 303 - index.phpMozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36 OPR/55.0.2994.44

[2020-02-26 22:38:49] NOTICE[14744] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '' failed for '5.183.92.32:64598' (callid: 376215522-649646893-389571818) - Failed to authenticate
[2020-02-26 22:38:49] SECURITY[20721] res_security_log.c: SecurityEvent="ChallengeResponseFailed",EventTV="2020-02-26T22:38:49.492+0100",Severity="Error",Service="PJSIP",EventVersion="1",AccountID="",SessionID="376215522-649646893-389571818",LocalAddress="IPV4/UDP/185.118.196.148/5060",RemoteAddress="IPV4/UDP/5.183.92.32/64598",Challenge="1582753129/dad733ecc9e5841b0a1529ab2e7adcda",Response="1de0935f9f82950b6c3e7fb95c212f82",ExpectedResponse=""
[2020-02-26 22:38:49] NOTICE[14744] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '' failed for '5.183.92.32:64598' (callid: 376215522-649646893-389571818) - Failed to authenticate
[2020-02-26 22:38:49] SECURITY[20721] res_security_log.c: SecurityEvent="ChallengeResponseFailed",EventTV="2020-02-26T22:38:49.563+0

Attempted connection to port 5555.

Attempted connection to port 1433.

Attempted connection to port 1433.

Apr  7 04:25:52 Tower sshd[18104]: Connection from 43.242.74.39 port 42144 on 192.168.10.220 port 22 rdomain ""
Apr  7 04:25:56 Tower sshd[18104]: Invalid user testftp from 43.242.74.39 port 42144
Apr  7 04:25:56 Tower sshd[18104]: error: Could not get shadow information for NOUSER
Apr  7 04:25:56 Tower sshd[18104]: Failed password for invalid user testftp from 43.242.74.39 port 42144 ssh2
Apr  7 04:25:56 Tower sshd[18104]: Received disconnect from 43.242.74.39 port 42144:11: Bye Bye [preauth]
Apr  7 04:25:56 Tower sshd[18104]: Disconnected from invalid user testftp 43.242.74.39 port 42144 [preauth]

Apr  7 10:31:16 ns382633 sshd\[4840\]: Invalid user node from 122.114.157.7 port 54796
Apr  7 10:31:16 ns382633 sshd\[4840\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.114.157.7
Apr  7 10:31:18 ns382633 sshd\[4840\]: Failed password for invalid user node from 122.114.157.7 port 54796 ssh2
Apr  7 10:59:01 ns382633 sshd\[12920\]: Invalid user es from 122.114.157.7 port 45360
Apr  7 10:59:01 ns382633 sshd\[12920\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.114.157.7

Apr  7 12:27:06 marvibiene sshd[12564]: Invalid user ftp-user from 138.197.177.118 port 60708
Apr  7 12:27:06 marvibiene sshd[12564]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.197.177.118
Apr  7 12:27:06 marvibiene sshd[12564]: Invalid user ftp-user from 138.197.177.118 port 60708
Apr  7 12:27:08 marvibiene sshd[12564]: Failed password for invalid user ftp-user from 138.197.177.118 port 60708 ssh2
...

Unauthorized connection attempt from IP address 36.80.64.187 on Port 445(SMB)

Unauthorized connection attempt from IP address 189.203.43.42 on Port 445(SMB)

20 attempts against mh-misbehave-ban on storm

Apr  6 11:51:03 mail01 postfix/postscreen[16165]: CONNECT from [159.203.82.101]:49289 to [94.130.181.95]:25
Apr  6 11:51:09 mail01 postfix/postscreen[16165]: PASS NEW [159.203.82.101]:49289
Apr  6 11:51:10 mail01 postfix/smtpd[16169]: connect from metallurgymetalworking.com[159.203.82.101]
Apr x@x
Apr  6 11:51:11 mail01 postfix/smtpd[16169]: disconnect from metallurgymetalworking.com[159.203.82.101] ehlo=2 starttls=1 mail=1 rcpt=0/1 quhostname=1 commands=5/6
Apr  6 11:54:31 mail01 postfix/anvil[16170]: statistics: max connection rate 1/60s for (smtpd:159.203.82.101) at Apr  6 11:51:10
Apr  6 11:54:31 mail01 postfix/anvil[16170]: statistics: max connection count 1 for (smtpd:159.203.82.101) at Apr  6 11:51:10
Apr  6 12:07:35 mail01 postfix/postscreen[16272]: CONNECT from [159.203.82.101]:55923 to [94.130.181.95]:25
Apr  6 12:07:35 mail01 postfix/postscreen[16272]: PASS OLD [159.203.82.101]:55923
Apr  6 12:07:36 mail01 postfix/smtpd[16277]: connect from metallurgymetalwor........
-------------------------------

Attempted connection to port 1433.

Unauthorized connection attempt detected from IP address 89.189.129.230 to port 445 [T]

Unauthorized access or intrusion attempt detected from Thor banned IP

Unauthorized connection attempt from IP address 125.162.104.237 on Port 445(SMB)

Apr  7 14:51:22 debian-2gb-nbg1-2 kernel: \[8522903.243451\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=37.49.226.10 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=245 ID=1819 PROTO=TCP SPT=56412 DPT=5038 WINDOW=1024 RES=0x00 SYN URGP=0