sshd jail - ssh hack attempt

Oct 29 08:12:04 cumulus sshd[25741]: Invalid user admin from 121.172.162.62 port 48084
Oct 29 08:12:04 cumulus sshd[25741]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.172.162.62
Oct 29 08:12:06 cumulus sshd[25741]: Failed password for invalid user admin from 121.172.162.62 port 48084 ssh2
Oct 29 08:12:07 cumulus sshd[25741]: Received disconnect from 121.172.162.62 port 48084:11: Bye Bye [preauth]
Oct 29 08:12:07 cumulus sshd[25741]: Disconnected from 121.172.162.62 port 48084 [preauth]
Oct 29 08:32:58 cumulus sshd[26423]: Invalid user maya from 121.172.162.62 port 59292
Oct 29 08:32:58 cumulus sshd[26423]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.172.162.62
Oct 29 08:33:01 cumulus sshd[26423]: Failed password for invalid user maya from 121.172.162.62 port 59292 ssh2
Oct 29 08:33:01 cumulus sshd[26423]: Received disconnect from 121.172.162.62 port 59292:11: Bye Bye [preaut........
-------------------------------

2019-10-30T08:14:29.592839hub.schaetter.us sshd\[23281\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.6.113  user=root
2019-10-30T08:14:32.055259hub.schaetter.us sshd\[23281\]: Failed password for root from 106.13.6.113 port 49972 ssh2
2019-10-30T08:18:28.980068hub.schaetter.us sshd\[23423\]: Invalid user nrg from 106.13.6.113 port 52608
2019-10-30T08:18:28.989114hub.schaetter.us sshd\[23423\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.6.113
2019-10-30T08:18:30.587257hub.schaetter.us sshd\[23423\]: Failed password for invalid user nrg from 106.13.6.113 port 52608 ssh2
...

2019-10-30T03:48:17.997773mizuno.rwx.ovh sshd[916778]: Connection from 139.155.71.154 port 50060 on 78.46.61.178 port 22 rdomain ""
2019-10-30T03:48:19.488132mizuno.rwx.ovh sshd[916778]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.71.154  user=root
2019-10-30T03:48:21.859224mizuno.rwx.ovh sshd[916778]: Failed password for root from 139.155.71.154 port 50060 ssh2
2019-10-30T04:13:03.777451mizuno.rwx.ovh sshd[928555]: Connection from 139.155.71.154 port 59662 on 78.46.61.178 port 22 rdomain ""
2019-10-30T04:13:05.286217mizuno.rwx.ovh sshd[928555]: Invalid user camilo from 139.155.71.154 port 59662
...

firewall-block, port(s): 10001/udp

1433/tcp
[2019-10-30]1pkt

445/tcp
[2019-10-30]1pkt

Oct 28 00:29:28 fv15 sshd[357]: reveeclipse mapping checking getaddrinfo for 45.76.95.136.vultr.com [45.76.95.136] failed - POSSIBLE BREAK-IN ATTEMPT!
Oct 28 00:29:28 fv15 sshd[357]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.76.95.136  user=r.r
Oct 28 00:29:30 fv15 sshd[357]: Failed password for r.r from 45.76.95.136 port 47224 ssh2
Oct 28 00:29:30 fv15 sshd[357]: Received disconnect from 45.76.95.136: 11: Bye Bye [preauth]
Oct 28 00:45:06 fv15 sshd[9306]: reveeclipse mapping checking getaddrinfo for 45.76.95.136.vultr.com [45.76.95.136] failed - POSSIBLE BREAK-IN ATTEMPT!
Oct 28 00:45:08 fv15 sshd[9306]: Failed password for invalid user cen from 45.76.95.136 port 51258 ssh2
Oct 28 00:45:08 fv15 sshd[9306]: Received disconnect from 45.76.95.136: 11: Bye Bye [preauth]
Oct 28 00:48:14 fv15 sshd[19158]: reveeclipse mapping checking getaddrinfo for 45.76.95.136.vultr.com [45.76.95.136] failed - POSSIBLE BREAK-IN ATTEMPT!
Oct ........
-------------------------------

[portscan] udp/1900 [ssdp]
in spfbl.net:'listed'
*(RWIN=-)(10301052)

2019-10-30T09:21:25.029241mail01 postfix/smtpd[29144]: warning: ip76.ip-54-36-214.eu[54.36.214.76]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2019-10-30T09:21:57.358771mail01 postfix/smtpd[421]: warning: ip76.ip-54-36-214.eu[54.36.214.76]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2019-10-30T09:22:43.164121mail01 postfix/smtpd[29144]: warning: ip76.ip-54-36-214.eu[54.36.214.76]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2019-10-30T09:22:43.164524mail01 postfix/smtpd[14767]: warning: ip76.ip-54-36-214.eu[54.36.214.76]: SASL LOGIN authentication failed: UGFzc3dvcmQ6

Lines containing failures of 94.66.56.21
Oct 30 04:44:27 shared03 postfix/smtpd[27536]: connect from ppp-94-66-56-21.home.otenet.gr[94.66.56.21]
Oct 30 04:44:36 shared03 policyd-spf[29686]: prepend Received-SPF: Softfail (mailfrom) identhostnamey=mailfrom; client-ip=94.66.56.21; helo=cret64.static.otenet.gr; envelope-from=x@x
Oct x@x


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=94.66.56.21

\[2019-10-30 04:16:41\] NOTICE\[2601\] chan_sip.c: Registration from '\' failed for '62.210.8.242:65369' - Wrong password
\[2019-10-30 04:16:41\] SECURITY\[2634\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-10-30T04:16:41.813-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="147",SessionID="0x7fdf2cc7a718",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/62.210.8.242/65369",Challenge="1ab847d1",ReceivedChallenge="1ab847d1",ReceivedHash="21224677c28c03b33d537e089a949fd5"
\[2019-10-30 04:23:26\] NOTICE\[2601\] chan_sip.c: Registration from '\' failed for '62.210.8.242:56058' - Wrong password
\[2019-10-30 04:23:26\] SECURITY\[2634\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-10-30T04:23:26.186-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="148",SessionID="0x7fdf2c003608",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/62.210.8.242/560

2019-10-30T06:28:54.189222homeassistant sshd[11856]: Invalid user zheng from 130.251.135.18 port 49097
2019-10-30T06:28:54.201868homeassistant sshd[11856]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=130.251.135.18
...

IP Ban Report :  
 https://help-dysk.pl/wordpress-firewall-plugins/ip/187.57.131.122/ 
 
 BR - 1H : (418)  
 Protection Against DDoS WordPress plugin :  
 "odzyskiwanie danych help-dysk" 
 IP Address Ranges by Country : BR 
 NAME ASN : ASN27699 
 
 IP : 187.57.131.122 
 
 CIDR : 187.57.0.0/16 
 
 PREFIX COUNT : 267 
 
 UNIQUE IP COUNT : 6569728 
 
 
 ATTACKS DETECTED ASN27699 :  
  1H - 10 
  3H - 30 
  6H - 47 
 12H - 108 
 24H - 205 
 
 DateTime : 2019-10-30 04:50:24 
 
 INFO :  HACK ! - Looking for resource vulnerabilities Scan Detected and Blocked by ADMIN  - data recovery

2019-10-30T05:26:37.332524abusebot-2.cloudsearch.cf sshd\[6589\]: Invalid user draytek from 178.128.90.40 port 46734