SSH authentication failure x 6 reported by Fail2Ban
...

Sep 21 21:53:21 tdfoods sshd\[10400\]: Invalid user ws from 182.61.185.77
Sep 21 21:53:21 tdfoods sshd\[10400\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.185.77
Sep 21 21:53:24 tdfoods sshd\[10400\]: Failed password for invalid user ws from 182.61.185.77 port 48270 ssh2
Sep 21 21:58:10 tdfoods sshd\[10760\]: Invalid user jira from 182.61.185.77
Sep 21 21:58:10 tdfoods sshd\[10760\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.185.77

Sep 17 01:47:47 SilenceServices sshd[7526]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.185.77
Sep 17 01:47:49 SilenceServices sshd[7526]: Failed password for invalid user tssbot from 182.61.185.77 port 55738 ssh2
Sep 17 01:52:03 SilenceServices sshd[9207]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.185.77

Sep 16 07:46:38 pornomens sshd\[27861\]: Invalid user 123456 from 182.61.185.77 port 46466
Sep 16 07:46:38 pornomens sshd\[27861\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.185.77
Sep 16 07:46:39 pornomens sshd\[27861\]: Failed password for invalid user 123456 from 182.61.185.77 port 46466 ssh2
...

Sep  7 16:52:43 MK-Soft-VM7 sshd\[7872\]: Invalid user ftpuser from 182.61.185.77 port 40820
Sep  7 16:52:43 MK-Soft-VM7 sshd\[7872\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.185.77
Sep  7 16:52:44 MK-Soft-VM7 sshd\[7872\]: Failed password for invalid user ftpuser from 182.61.185.77 port 40820 ssh2
...

$f2bV_matches

Sep  5 13:07:13 DAAP sshd[20689]: Invalid user mcserver from 182.61.185.77 port 45680
Sep  5 13:07:13 DAAP sshd[20689]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.185.77
Sep  5 13:07:13 DAAP sshd[20689]: Invalid user mcserver from 182.61.185.77 port 45680
Sep  5 13:07:15 DAAP sshd[20689]: Failed password for invalid user mcserver from 182.61.185.77 port 45680 ssh2
Sep  5 13:11:41 DAAP sshd[20789]: Invalid user webcam from 182.61.185.77 port 33970
...

Aug 23 06:35:40 aiointranet sshd\[31142\]: Invalid user ftphome from 182.61.185.77
Aug 23 06:35:40 aiointranet sshd\[31142\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.185.77
Aug 23 06:35:42 aiointranet sshd\[31142\]: Failed password for invalid user ftphome from 182.61.185.77 port 44446 ssh2
Aug 23 06:40:34 aiointranet sshd\[32008\]: Invalid user ubnt from 182.61.185.77
Aug 23 06:40:34 aiointranet sshd\[32008\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.185.77

Aug 16 11:31:47 nextcloud sshd\[13026\]: Invalid user test from 182.61.185.77
Aug 16 11:31:47 nextcloud sshd\[13026\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.185.77
Aug 16 11:31:50 nextcloud sshd\[13026\]: Failed password for invalid user test from 182.61.185.77 port 33580 ssh2
...

2019-08-08T02:15:37.812902abusebot-5.cloudsearch.cf sshd\[11431\]: Invalid user nemesis from 182.61.185.77 port 39892

Jul 29 21:14:38 debian sshd\[19731\]: Invalid user ws697196 from 182.61.185.77 port 41070
Jul 29 21:14:38 debian sshd\[19731\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.185.77
...

SSH Bruteforce @ SigaVPN honeypot

Aug  8 23:50:58 django-0 sshd[11494]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.185.92  user=root
Aug  8 23:51:00 django-0 sshd[11494]: Failed password for root from 182.61.185.92 port 53562 ssh2
...

" "

Aug  1 13:17:16 ip-172-31-61-156 sshd[30268]: Failed password for root from 182.61.185.119 port 52280 ssh2
Aug  1 13:21:41 ip-172-31-61-156 sshd[30581]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.185.119  user=root
Aug  1 13:21:43 ip-172-31-61-156 sshd[30581]: Failed password for root from 182.61.185.119 port 58234 ssh2
Aug  1 13:21:41 ip-172-31-61-156 sshd[30581]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.185.119  user=root
Aug  1 13:21:43 ip-172-31-61-156 sshd[30581]: Failed password for root from 182.61.185.119 port 58234 ssh2
...

Jul 30 23:10:22 hosting sshd[30344]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.185.119  user=root
Jul 30 23:10:24 hosting sshd[30344]: Failed password for root from 182.61.185.119 port 22332 ssh2
Jul 30 23:19:14 hosting sshd[31347]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.185.119  user=root
Jul 30 23:19:15 hosting sshd[31347]: Failed password for root from 182.61.185.119 port 43568 ssh2
Jul 30 23:23:17 hosting sshd[31674]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.185.119  user=root
Jul 30 23:23:19 hosting sshd[31674]: Failed password for root from 182.61.185.119 port 47280 ssh2
...

Unauthorized SSH login attempts

Jul 27 19:58:32 vps1 sshd[11395]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.185.92 
Jul 27 19:58:34 vps1 sshd[11395]: Failed password for invalid user kzhang from 182.61.185.92 port 40818 ssh2
Jul 27 20:00:53 vps1 sshd[11478]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.185.92 
Jul 27 20:00:54 vps1 sshd[11478]: Failed password for invalid user hangang from 182.61.185.92 port 42076 ssh2
Jul 27 20:03:17 vps1 sshd[11574]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.185.92 
Jul 27 20:03:19 vps1 sshd[11574]: Failed password for invalid user dc from 182.61.185.92 port 43340 ssh2
...

2020-07-26T17:19:40.835434+02:00  sshd[25240]: Failed password for invalid user test from 182.61.185.119 port 26422 ssh2

Cowrie Honeypot: 3 unauthorised SSH/Telnet login attempts between 2020-07-25T07:12:49Z and 2020-07-25T07:16:45Z

Failed password for invalid user multimedia from 182.61.185.92 port 45092 ssh2

Invalid user alumno from 182.61.185.92 port 33956

Cowrie Honeypot: 10 unauthorised SSH/Telnet login attempts between 2020-07-20T08:38:08Z and 2020-07-20T09:23:51Z

$f2bV_matches

2020-07-11T20:43:58.067905shield sshd\[31860\]: Invalid user sanyi from 182.61.185.92 port 54598
2020-07-11T20:43:58.077111shield sshd\[31860\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.185.92
2020-07-11T20:43:59.869864shield sshd\[31860\]: Failed password for invalid user sanyi from 182.61.185.92 port 54598 ssh2
2020-07-11T20:46:34.820341shield sshd\[32209\]: Invalid user demo from 182.61.185.92 port 33858
2020-07-11T20:46:34.829300shield sshd\[32209\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.185.92

Invalid user zhouqian from 182.61.185.92 port 37682

SSH Bruteforce attack

10/10/2019-17:14:06.432532 81.22.45.165 Protocol: 6 ET DROP Dshield Block Listed Source group 1

Lines containing failures of 111.67.193.34
Oct  9 08:38:00 shared05 sshd[19756]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.67.193.34  user=r.r
Oct  9 08:38:02 shared05 sshd[19756]: Failed password for r.r from 111.67.193.34 port 47999 ssh2
Oct  9 08:38:02 shared05 sshd[19756]: Received disconnect from 111.67.193.34 port 47999:11: Bye Bye [preauth]
Oct  9 08:38:02 shared05 sshd[19756]: Disconnected from authenticating user r.r 111.67.193.34 port 47999 [preauth]
Oct  9 09:09:43 shared05 sshd[30974]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.67.193.34  user=r.r
Oct  9 09:09:45 shared05 sshd[30974]: Failed password for r.r from 111.67.193.34 port 60126 ssh2
Oct  9 09:09:46 shared05 sshd[30974]: Received disconnect from 111.67.193.34 port 60126:11: Bye Bye [preauth]
Oct  9 09:09:46 shared05 sshd[30974]: Disconnected from authenticating user r.r 111.67.193.34 port 60126 [preauth........
------------------------------

Oct 10 11:35:20 [HOSTNAME] sshd[14737]: User **removed** from 222.186.180.17 not allowed because not listed in AllowUsers
Oct 10 13:34:15 [HOSTNAME] sshd[28342]: User **removed** from 222.186.180.17 not allowed because not listed in AllowUsers
Oct 10 22:37:26 [HOSTNAME] sshd[26433]: User **removed** from 222.186.180.17 not allowed because not listed in AllowUsers
...

IP Ban Report : https://help-dysk.pl/wordpress-firewall-plugins/ip/117.20.23.166/ 
 PK - 1H : (13)  
 Protection Against DDoS WordPress plugin :  
 "odzyskiwanie danych help-dysk" 
 IP Address Ranges by Country : PK 
 NAME ASN : ASN38193 
 
 IP : 117.20.23.166 
 
 CIDR : 117.20.23.0/24 
 
 PREFIX COUNT : 86 
 
 UNIQUE IP COUNT : 24064 
 
 
 WYKRYTE ATAKI Z ASN38193 :  
  1H - 1 
  3H - 1 
  6H - 1 
 12H - 1 
 24H - 1 
 
 DateTime : 2019-10-10 22:08:16 
 
 INFO : Web Crawlers ? Scan Detected and Blocked by ADMIN  - data recovery

Oct 10 21:43:23 localhost sshd\[18123\]: Invalid user Winkel123 from 164.132.102.168 port 38710
Oct 10 21:43:23 localhost sshd\[18123\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=164.132.102.168
Oct 10 21:43:25 localhost sshd\[18123\]: Failed password for invalid user Winkel123 from 164.132.102.168 port 38710 ssh2
Oct 10 21:47:09 localhost sshd\[18217\]: Invalid user www@root from 164.132.102.168 port 49754
Oct 10 21:47:09 localhost sshd\[18217\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=164.132.102.168
...

Oct 10 11:30:42 friendsofhawaii sshd\[21005\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122-116-140-68.hinet-ip.hinet.net  user=root
Oct 10 11:30:44 friendsofhawaii sshd\[21005\]: Failed password for root from 122.116.140.68 port 33124 ssh2
Oct 10 11:35:18 friendsofhawaii sshd\[21388\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122-116-140-68.hinet-ip.hinet.net  user=root
Oct 10 11:35:20 friendsofhawaii sshd\[21388\]: Failed password for root from 122.116.140.68 port 45816 ssh2
Oct 10 11:39:52 friendsofhawaii sshd\[21877\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122-116-140-68.hinet-ip.hinet.net  user=root

port scan and connect, tcp 1433 (ms-sql-s)

2019-10-10T21:10:32.989519abusebot-6.cloudsearch.cf sshd\[15294\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=164.52.35.246  user=root

2019-10-11T00:11:57.208049tmaserv sshd\[25823\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=55.ip-144-217-89.net  user=root
2019-10-11T00:11:59.116971tmaserv sshd\[25823\]: Failed password for root from 144.217.89.55 port 33146 ssh2
2019-10-11T00:15:50.754983tmaserv sshd\[25994\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=55.ip-144-217-89.net  user=root
2019-10-11T00:15:53.313881tmaserv sshd\[25994\]: Failed password for root from 144.217.89.55 port 43846 ssh2
2019-10-11T00:19:35.062931tmaserv sshd\[26181\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=55.ip-144-217-89.net  user=root
2019-10-11T00:19:37.178465tmaserv sshd\[26181\]: Failed password for root from 144.217.89.55 port 54546 ssh2
...

Oct 10 23:02:21 root sshd[30417]: Failed password for root from 27.46.171.7 port 41628 ssh2
Oct 10 23:06:17 root sshd[30473]: Failed password for root from 27.46.171.7 port 48776 ssh2
...

Oct 10 17:31:59 ny01 sshd[22335]: Failed password for root from 187.87.104.62 port 37837 ssh2
Oct 10 17:36:33 ny01 sshd[22744]: Failed password for root from 187.87.104.62 port 57400 ssh2

Oct 10 23:58:47 s64-1 sshd[23543]: Failed password for root from 222.180.162.8 port 52191 ssh2
Oct 11 00:02:15 s64-1 sshd[23576]: Failed password for root from 222.180.162.8 port 50338 ssh2
...

Oct 11 04:49:08 webhost01 sshd[545]: Failed password for root from 129.204.40.47 port 42710 ssh2
...

Automated report (2019-10-10T20:08:48+00:00). Non-escaped characters in POST detected (bot indicator).

\[2019-10-10 17:36:19\] NOTICE\[1887\] chan_sip.c: Registration from '\' failed for '81.171.85.146:50341' - Wrong password
\[2019-10-10 17:36:19\] SECURITY\[1898\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-10-10T17:36:19.427-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="397",SessionID="0x7fc3ac636978",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/81.171.85.146/50341",Challenge="61b50c4a",ReceivedChallenge="61b50c4a",ReceivedHash="87015d6527bf66d0cb2ba8587180ae3c"
\[2019-10-10 17:36:51\] NOTICE\[1887\] chan_sip.c: Registration from '\' failed for '81.171.85.146:61721' - Wrong password
\[2019-10-10 17:36:51\] SECURITY\[1898\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-10-10T17:36:51.096-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="9080",SessionID="0x7fc3ac7f7e28",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/81.171.85.1