(sshd) Failed SSH login from 51.75.169.128 (GB/United Kingdom/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Sep 14 18:37:21 server sshd[17717]: Invalid user admin from 51.75.169.128
Sep 14 18:37:21 server sshd[17717]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.169.128 
Sep 14 18:37:23 server sshd[17717]: Failed password for invalid user admin from 51.75.169.128 port 43114 ssh2
Sep 14 18:51:13 server sshd[19941]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.169.128  user=root
Sep 14 18:51:16 server sshd[19941]: Failed password for root from 51.75.169.128 port 56960 ssh2

Sep 14 09:48:02 ns382633 sshd\[11742\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.169.128  user=root
Sep 14 09:48:04 ns382633 sshd\[11742\]: Failed password for root from 51.75.169.128 port 44590 ssh2
Sep 14 09:55:35 ns382633 sshd\[13433\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.169.128  user=root
Sep 14 09:55:37 ns382633 sshd\[13433\]: Failed password for root from 51.75.169.128 port 42006 ssh2
Sep 14 09:59:45 ns382633 sshd\[13861\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.169.128  user=root

2020-09-11T20:47:27.495608hostname sshd[21218]: Failed password for root from 51.75.169.128 port 45478 ssh2
2020-09-11T20:50:48.499938hostname sshd[22493]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.169.128  user=root
2020-09-11T20:50:50.738609hostname sshd[22493]: Failed password for root from 51.75.169.128 port 46844 ssh2
...

SSH/22 MH Probe, BF, Hack -

SSH Invalid Login

Dec  8 07:20:29 host sshd[39318]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.169.236
Dec  8 07:20:29 host sshd[39318]: Invalid user thisner from 51.75.169.236 port 48801
Dec  8 07:20:31 host sshd[39318]: Failed password for invalid user thisner from 51.75.169.236 port 48801 ssh2
...

Nov 21 20:10:52 wbs sshd\[1656\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.169.236  user=root
Nov 21 20:10:54 wbs sshd\[1656\]: Failed password for root from 51.75.169.236 port 55355 ssh2
Nov 21 20:14:25 wbs sshd\[1987\]: Invalid user guest from 51.75.169.236
Nov 21 20:14:25 wbs sshd\[1987\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.169.236
Nov 21 20:14:27 wbs sshd\[1987\]: Failed password for invalid user guest from 51.75.169.236 port 44935 ssh2

Nov 17 07:47:22 vps666546 sshd\[22257\]: Invalid user mercure from 51.75.169.236 port 46340
Nov 17 07:47:22 vps666546 sshd\[22257\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.169.236
Nov 17 07:47:23 vps666546 sshd\[22257\]: Failed password for invalid user mercure from 51.75.169.236 port 46340 ssh2
Nov 17 07:50:53 vps666546 sshd\[22341\]: Invalid user guest12346 from 51.75.169.236 port 36688
Nov 17 07:50:53 vps666546 sshd\[22341\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.169.236
...

Nov 15 07:05:43 web9 sshd\[4914\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.169.236  user=news
Nov 15 07:05:46 web9 sshd\[4914\]: Failed password for news from 51.75.169.236 port 58113 ssh2
Nov 15 07:09:32 web9 sshd\[5493\]: Invalid user simonian from 51.75.169.236
Nov 15 07:09:32 web9 sshd\[5493\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.169.236
Nov 15 07:09:34 web9 sshd\[5493\]: Failed password for invalid user simonian from 51.75.169.236 port 48546 ssh2

Nov 15 14:32:23 ks10 sshd[9354]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.169.236 
Nov 15 14:32:25 ks10 sshd[9354]: Failed password for invalid user miner1 from 51.75.169.236 port 56560 ssh2
...

2019-11-11T07:35:58.309584shield sshd\[6821\]: Invalid user diogenes from 51.75.169.236 port 53822
2019-11-11T07:35:58.315598shield sshd\[6821\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.169.236
2019-11-11T07:36:00.092726shield sshd\[6821\]: Failed password for invalid user diogenes from 51.75.169.236 port 53822 ssh2
2019-11-11T07:39:30.822670shield sshd\[7410\]: Invalid user gina123 from 51.75.169.236 port 43537
2019-11-11T07:39:30.828567shield sshd\[7410\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.169.236

Oct 27 17:17:22 MainVPS sshd[32646]: Invalid user cd from 51.75.169.236 port 47073
Oct 27 17:17:22 MainVPS sshd[32646]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.169.236
Oct 27 17:17:22 MainVPS sshd[32646]: Invalid user cd from 51.75.169.236 port 47073
Oct 27 17:17:24 MainVPS sshd[32646]: Failed password for invalid user cd from 51.75.169.236 port 47073 ssh2
Oct 27 17:20:44 MainVPS sshd[654]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.169.236  user=root
Oct 27 17:20:46 MainVPS sshd[654]: Failed password for root from 51.75.169.236 port 37639 ssh2
...

2019-10-25T15:46:48.067189abusebot-4.cloudsearch.cf sshd\[7490\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.169.236  user=root

Oct 24 06:26:46 cp sshd[18745]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.169.236
Oct 24 06:26:46 cp sshd[18745]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.169.236

Oct 21 14:06:41 eventyay sshd[16783]: Failed password for root from 51.75.169.236 port 60059 ssh2
Oct 21 14:10:44 eventyay sshd[16889]: Failed password for root from 51.75.169.236 port 51482 ssh2
Oct 21 14:14:47 eventyay sshd[16978]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.169.236
...

Oct  8 17:18:39 vps647732 sshd[11747]: Failed password for root from 51.75.169.236 port 44068 ssh2
...

Oct  5 03:43:42 web8 sshd\[2740\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.169.236  user=root
Oct  5 03:43:44 web8 sshd\[2740\]: Failed password for root from 51.75.169.236 port 57408 ssh2
Oct  5 03:47:37 web8 sshd\[4527\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.169.236  user=root
Oct  5 03:47:39 web8 sshd\[4527\]: Failed password for root from 51.75.169.236 port 49147 ssh2
Oct  5 03:51:34 web8 sshd\[6323\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.169.236  user=root

Oct  2 16:17:34 SilenceServices sshd[29147]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.169.236
Oct  2 16:17:36 SilenceServices sshd[29147]: Failed password for invalid user falcon from 51.75.169.236 port 54738 ssh2
Oct  2 16:22:02 SilenceServices sshd[30395]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.169.236

Sep 27 17:10:00 SilenceServices sshd[2157]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.169.236
Sep 27 17:10:03 SilenceServices sshd[2157]: Failed password for invalid user www from 51.75.169.236 port 40347 ssh2
Sep 27 17:14:16 SilenceServices sshd[5175]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.169.236

2019-09-23T14:35:15.065687centos sshd\[5970\]: Invalid user demo from 51.75.169.236 port 56977
2019-09-23T14:35:15.070526centos sshd\[5970\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.169.236
2019-09-23T14:35:17.153712centos sshd\[5970\]: Failed password for invalid user demo from 51.75.169.236 port 56977 ssh2

slow and persistent scanner

Dec 17 00:20:39 loxhost sshd\[11899\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=158.69.48.197  user=mail
Dec 17 00:20:41 loxhost sshd\[11899\]: Failed password for mail from 158.69.48.197 port 47302 ssh2
Dec 17 00:25:39 loxhost sshd\[12012\]: Invalid user temp from 158.69.48.197 port 55180
Dec 17 00:25:39 loxhost sshd\[12012\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=158.69.48.197
Dec 17 00:25:41 loxhost sshd\[12012\]: Failed password for invalid user temp from 158.69.48.197 port 55180 ssh2
...

Dec 16 13:27:26 auw2 sshd\[961\]: Invalid user centeno from 180.76.119.77
Dec 16 13:27:26 auw2 sshd\[961\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.119.77
Dec 16 13:27:28 auw2 sshd\[961\]: Failed password for invalid user centeno from 180.76.119.77 port 49468 ssh2
Dec 16 13:32:44 auw2 sshd\[1504\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.119.77  user=root
Dec 16 13:32:46 auw2 sshd\[1504\]: Failed password for root from 180.76.119.77 port 50180 ssh2

$f2bV_matches

Lines containing failures of 93.87.60.159
Dec 16 22:57:46 majoron sshd[7618]: Did not receive identification string from 93.87.60.159 port 60727
Dec 16 22:58:22 majoron sshd[7624]: Invalid user service from 93.87.60.159 port 50671
Dec 16 22:58:25 majoron sshd[7624]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=93.87.60.159 
Dec 16 22:58:27 majoron sshd[7624]: Failed password for invalid user service from 93.87.60.159 port 50671 ssh2


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=93.87.60.159

Autoban   45.95.33.121 AUTH/CONNECT

Dec 17 00:09:56 meumeu sshd[5005]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=193.192.97.154 
Dec 17 00:09:58 meumeu sshd[5005]: Failed password for invalid user cisco from 193.192.97.154 port 33178 ssh2
Dec 17 00:16:32 meumeu sshd[6039]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=193.192.97.154 
...

Dec 17 00:02:41 cvbnet sshd[19362]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.216.13.170 
Dec 17 00:02:43 cvbnet sshd[19362]: Failed password for invalid user tsiakas from 61.216.13.170 port 35145 ssh2
...

Dec 16 22:58:07 meumeu sshd[24298]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=108.188.199.237 
Dec 16 22:58:07 meumeu sshd[24300]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=108.188.199.237 
Dec 16 22:58:10 meumeu sshd[24298]: Failed password for invalid user pi from 108.188.199.237 port 52344 ssh2
...

Invalid user fisk from 69.17.153.139 port 49345

firewall-block, port(s): 3389/tcp

Triggered by Fail2Ban at Vostok web server

Dec 16 23:31:50 thevastnessof sshd[17146]: Failed password for root from 222.186.180.9 port 53446 ssh2
...

Dec 17 02:31:56 debian-2gb-vpn-nbg1-1 kernel: [917484.740677] [UFW BLOCK] IN=eth0 OUT= MAC=96:00:00:38:96:44:d2:74:7f:6e:37:e3:08:00 SRC=112.85.42.237 DST=78.46.192.101 LEN=67 TOS=0x00 PREC=0x00 TTL=42 ID=14271 DF PROTO=TCP SPT=10952 DPT=22 WINDOW=229 RES=0x00 ACK PSH URGP=0

Dec 16 22:58:17 vpn01 sshd[21955]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.204.105.244
Dec 16 22:58:19 vpn01 sshd[21955]: Failed password for invalid user gangotra from 129.204.105.244 port 60654 ssh2
...