2020-06-04 00:55:01 TLS error on connection from [185.142.236.35] (SSL_accept): error:140760FC:SSL routines:SSL23_GET_CLIENT_HELLO:unknown protocol
2020-06-04 00:55:02 TLS error on connection from [185.142.236.35] (SSL_accept): error:1408A10B:SSL routines:ssl3_get_client_hello:wrong version number
2020-06-04 00:55:08 TLS error on connection from [185.142.236.35] (SSL_accept): error:1408A0C1:SSL routines:ssl3_get_client_hello:no shared cipher
...

Jun  3 15:47:27 buvik sshd[3960]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.223.32.228
Jun  3 15:47:29 buvik sshd[3960]: Failed password for invalid user ou812\r from 222.223.32.228 port 60705 ssh2
Jun  3 15:51:53 buvik sshd[4592]: Invalid user 123 from 222.223.32.228
...

Unauthorized connection. Very violent continuous attack! IP address disabled! I stored locally the attack data, from the server .log files!

[2020-06-03 09:24:55] NOTICE[1288] chan_sip.c: Registration from '' failed for '141.98.10.127:54630' - Wrong password
[2020-06-03 09:24:55] SECURITY[1303] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-06-03T09:24:55.165-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="sergei",SessionID="0x7f4d7403e5e8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/141.98.10.127/54630",Challenge="67775822",ReceivedChallenge="67775822",ReceivedHash="fae7d9ba61271562f9a0c9904c67ea14"
[2020-06-03 09:25:59] NOTICE[1288] chan_sip.c: Registration from '' failed for '141.98.10.127:53530' - Wrong password
[2020-06-03 09:25:59] SECURITY[1303] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-06-03T09:25:59.402-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="Magnim",SessionID="0x7f4d740413e8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/141.9
...

$f2bV_matches

Jun  3 15:05:17 nextcloud sshd\[7888\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=1.235.192.218  user=root
Jun  3 15:05:19 nextcloud sshd\[7888\]: Failed password for root from 1.235.192.218 port 55390 ssh2
Jun  3 15:09:04 nextcloud sshd\[14240\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=1.235.192.218  user=root

Jun  3 08:06:18 ny01 sshd[31332]: Failed password for root from 176.31.255.63 port 50064 ssh2
Jun  3 08:09:50 ny01 sshd[31770]: Failed password for root from 176.31.255.63 port 52395 ssh2

Jun  3 14:57:00 nextcloud sshd\[26740\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=92.222.82.160  user=root
Jun  3 14:57:03 nextcloud sshd\[26740\]: Failed password for root from 92.222.82.160 port 36136 ssh2
Jun  3 15:00:30 nextcloud sshd\[32429\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=92.222.82.160  user=root

Jun  3 15:47:06 abendstille sshd\[5555\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.91.11.62  user=root
Jun  3 15:47:09 abendstille sshd\[5555\]: Failed password for root from 51.91.11.62 port 48274 ssh2
Jun  3 15:50:57 abendstille sshd\[9390\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.91.11.62  user=root
Jun  3 15:50:59 abendstille sshd\[9390\]: Failed password for root from 51.91.11.62 port 54236 ssh2
Jun  3 15:54:52 abendstille sshd\[13505\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.91.11.62  user=root
...

*Port Scan* detected from 202.107.226.3 (CN/China/-). 11 hits in the last 250 seconds

2020-06-03T13:43:01.544876abusebot-5.cloudsearch.cf sshd[31005]: Invalid user system from 171.100.68.150 port 61303
2020-06-03T13:43:01.990385abusebot-5.cloudsearch.cf sshd[31005]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=171-100-68-150.static.asianet.co.th
2020-06-03T13:43:01.544876abusebot-5.cloudsearch.cf sshd[31005]: Invalid user system from 171.100.68.150 port 61303
2020-06-03T13:43:03.593792abusebot-5.cloudsearch.cf sshd[31005]: Failed password for invalid user system from 171.100.68.150 port 61303 ssh2
2020-06-03T13:43:01.990385abusebot-5.cloudsearch.cf sshd[31005]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=171-100-68-150.static.asianet.co.th
2020-06-03T13:43:01.544876abusebot-5.cloudsearch.cf sshd[31005]: Invalid user system from 171.100.68.150 port 61303
2020-06-03T13:43:03.593792abusebot-5.cloudsearch.cf sshd[31005]: Failed password for invalid user system from 171.100.68.150 port 613
...

Automatic report - Port Scan Attack

Jun  3 13:48:50 pornomens sshd\[18660\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.81.8.155  user=root
Jun  3 13:48:52 pornomens sshd\[18660\]: Failed password for root from 206.81.8.155 port 39823 ssh2
Jun  3 13:55:39 pornomens sshd\[18747\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.81.8.155  user=root
...

DATE:2020-06-03 13:55:17, IP:59.98.230.240, PORT:telnet Telnet brute force auth on honeypot server (epe-honey1-hq)

(smtpauth) Failed SMTP AUTH login from 179.125.62.55 (BR/Brazil/179-125-62-55.wconect.com.br): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: 2020-06-03 16:26:01 plain authenticator failed for ([179.125.62.55]) [179.125.62.55]: 535 Incorrect authentication data (set_id=modir)