Jan 10 01:54:36 odroid64 sshd\[30331\]: User root from 167.99.75.141 not allowed because not listed in AllowUsers
Jan 10 01:54:36 odroid64 sshd\[30331\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.99.75.141  user=root
Feb 18 07:33:55 odroid64 sshd\[19231\]: Invalid user chris from 167.99.75.141
Feb 18 07:33:55 odroid64 sshd\[19231\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.99.75.141
...

Feb 15 09:07:19 plusreed sshd[7382]: Invalid user royals from 167.99.75.141
...

Feb  9 15:01:21 legacy sshd[31987]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.99.75.141
Feb  9 15:01:23 legacy sshd[31987]: Failed password for invalid user ayo from 167.99.75.141 port 41608 ssh2
Feb  9 15:04:52 legacy sshd[32190]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.99.75.141
...

Feb  9 13:44:02 legacy sshd[28546]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.99.75.141
Feb  9 13:44:04 legacy sshd[28546]: Failed password for invalid user lbq from 167.99.75.141 port 57052 ssh2
Feb  9 13:47:27 legacy sshd[28732]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.99.75.141
...

Dec 23 00:03:21 hcbbdb sshd\[16547\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.99.75.141  user=root
Dec 23 00:03:23 hcbbdb sshd\[16547\]: Failed password for root from 167.99.75.141 port 45552 ssh2
Dec 23 00:09:30 hcbbdb sshd\[17288\]: Invalid user athena from 167.99.75.141
Dec 23 00:09:30 hcbbdb sshd\[17288\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.99.75.141
Dec 23 00:09:32 hcbbdb sshd\[17288\]: Failed password for invalid user athena from 167.99.75.141 port 50798 ssh2

Dec 20 05:39:37 tdfoods sshd\[13905\]: Invalid user nanchan from 167.99.75.141
Dec 20 05:39:37 tdfoods sshd\[13905\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.99.75.141
Dec 20 05:39:38 tdfoods sshd\[13905\]: Failed password for invalid user nanchan from 167.99.75.141 port 54610 ssh2
Dec 20 05:45:56 tdfoods sshd\[14466\]: Invalid user gabang7210 from 167.99.75.141
Dec 20 05:45:56 tdfoods sshd\[14466\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.99.75.141

2019-12-15T20:37:34.193272shield sshd\[30135\]: Invalid user fadziah from 167.99.75.141 port 36098
2019-12-15T20:37:34.197706shield sshd\[30135\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.99.75.141
2019-12-15T20:37:36.296483shield sshd\[30135\]: Failed password for invalid user fadziah from 167.99.75.141 port 36098 ssh2
2019-12-15T20:45:40.686683shield sshd\[32675\]: Invalid user garand from 167.99.75.141 port 44018
2019-12-15T20:45:40.690703shield sshd\[32675\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.99.75.141

Invalid user kagiyama from 167.99.75.141 port 55796

Dec 14 01:33:12 srv01 sshd[9795]: Invalid user test from 167.99.75.141 port 40914
Dec 14 01:33:12 srv01 sshd[9795]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.99.75.141
Dec 14 01:33:12 srv01 sshd[9795]: Invalid user test from 167.99.75.141 port 40914
Dec 14 01:33:14 srv01 sshd[9795]: Failed password for invalid user test from 167.99.75.141 port 40914 ssh2
Dec 14 01:39:40 srv01 sshd[10414]: Invalid user rootme from 167.99.75.141 port 48368
...

[Aegis] @ 2019-12-12 15:39:58  0000 -> Attempted Administrator Privilege Gain: ET SCAN LibSSH Based Frequent SSH Connections Likely BruteForce Attack

Dec  3 09:02:58 meumeu sshd[21775]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.99.75.141 
Dec  3 09:02:59 meumeu sshd[21775]: Failed password for invalid user suvendu from 167.99.75.141 port 60946 ssh2
Dec  3 09:09:48 meumeu sshd[22727]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.99.75.141 
...

Oct 14 06:08:38 markkoudstaal sshd[19614]: Failed password for root from 167.99.75.141 port 42852 ssh2
Oct 14 06:13:29 markkoudstaal sshd[20163]: Failed password for root from 167.99.75.141 port 55848 ssh2

SSH Invalid Login

2020-10-10 17:10:53 wonderland sshd[14816]: Disconnected from invalid user root 167.99.75.240 port 44486 [preauth]

k+ssh-bruteforce

Invalid user minecraft from 167.99.75.240 port 40022

Fail2Ban Ban Triggered

2020-09-25T05:54:47.244327abusebot-6.cloudsearch.cf sshd[7006]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.99.75.240  user=root
2020-09-25T05:54:49.227448abusebot-6.cloudsearch.cf sshd[7006]: Failed password for root from 167.99.75.240 port 59754 ssh2
2020-09-25T05:58:52.882262abusebot-6.cloudsearch.cf sshd[7016]: Invalid user sss from 167.99.75.240 port 40064
2020-09-25T05:58:52.888612abusebot-6.cloudsearch.cf sshd[7016]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.99.75.240
2020-09-25T05:58:52.882262abusebot-6.cloudsearch.cf sshd[7016]: Invalid user sss from 167.99.75.240 port 40064
2020-09-25T05:58:54.505360abusebot-6.cloudsearch.cf sshd[7016]: Failed password for invalid user sss from 167.99.75.240 port 40064 ssh2
2020-09-25T06:02:55.167872abusebot-6.cloudsearch.cf sshd[7086]: Invalid user admin from 167.99.75.240 port 48610
...

$f2bV_matches

Sep 21 02:38:13 mavik sshd[3259]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.99.75.240
Sep 21 02:38:16 mavik sshd[3259]: Failed password for invalid user postgres from 167.99.75.240 port 57166 ssh2
Sep 21 02:42:28 mavik sshd[3774]: Invalid user guest6 from 167.99.75.240
Sep 21 02:42:28 mavik sshd[3774]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.99.75.240
Sep 21 02:42:30 mavik sshd[3774]: Failed password for invalid user guest6 from 167.99.75.240 port 37846 ssh2
...

(sshd) Failed SSH login from 167.99.75.240 (SG/Singapore/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Sep 18 11:12:13 optimus sshd[13550]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.99.75.240  user=root
Sep 18 11:12:15 optimus sshd[13550]: Failed password for root from 167.99.75.240 port 41982 ssh2
Sep 18 11:16:30 optimus sshd[14863]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.99.75.240  user=root
Sep 18 11:16:32 optimus sshd[14863]: Failed password for root from 167.99.75.240 port 50168 ssh2
Sep 18 11:20:52 optimus sshd[16520]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.99.75.240  user=root

Sep 18 09:13:41 ns381471 sshd[23056]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.99.75.240
Sep 18 09:13:43 ns381471 sshd[23056]: Failed password for invalid user 0 from 167.99.75.240 port 52164 ssh2

(sshd) Failed SSH login from 167.99.75.240 (SG/Singapore/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Sep 17 12:49:15 server sshd[31758]: Invalid user helene from 167.99.75.240 port 59504
Sep 17 12:49:17 server sshd[31758]: Failed password for invalid user helene from 167.99.75.240 port 59504 ssh2
Sep 17 12:55:14 server sshd[797]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.99.75.240  user=root
Sep 17 12:55:16 server sshd[797]: Failed password for root from 167.99.75.240 port 58020 ssh2
Sep 17 12:59:40 server sshd[1831]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.99.75.240  user=root

Invalid user teamspeak from 167.99.75.240 port 42784

Sep 16 05:30:18 mail sshd\[50598\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.99.75.240  user=root
...

Aug 25 08:16:27 serwer sshd\[9644\]: Invalid user ajc from 167.99.75.240 port 48934
Aug 25 08:16:27 serwer sshd\[9644\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.99.75.240
Aug 25 08:16:29 serwer sshd\[9644\]: Failed password for invalid user ajc from 167.99.75.240 port 48934 ssh2
...

Aug 22 21:00:20 ns382633 sshd\[11793\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.99.75.240  user=root
Aug 22 21:00:22 ns382633 sshd\[11793\]: Failed password for root from 167.99.75.240 port 42986 ssh2
Aug 22 21:05:42 ns382633 sshd\[12787\]: Invalid user vc from 167.99.75.240 port 37086
Aug 22 21:05:42 ns382633 sshd\[12787\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.99.75.240
Aug 22 21:05:44 ns382633 sshd\[12787\]: Failed password for invalid user vc from 167.99.75.240 port 37086 ssh2

ET DROP Dshield Block Listed Source group 1 - port: 15017 proto: TCP cat: Misc Attack

Jun  8 06:06:19 piServer sshd[6829]: Failed password for root from 200.123.248.5 port 49168 ssh2
Jun  8 06:10:09 piServer sshd[7303]: Failed password for root from 200.123.248.5 port 54271 ssh2
...

81/tcp
[2020-06-08]1pkt

Unauthorized connection attempt detected, IP banned.

23/tcp
[2020-06-08]1pkt

Jun  8 00:28:55 NPSTNNYC01T sshd[10342]: Failed password for root from 112.5.172.26 port 28233 ssh2
Jun  8 00:31:42 NPSTNNYC01T sshd[10561]: Failed password for root from 112.5.172.26 port 1525 ssh2
...

445/tcp
[2020-06-08]1pkt

2020-06-08T03:54:55.095310homeassistant sshd[32668]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.231.33.135  user=root
2020-06-08T03:54:57.622210homeassistant sshd[32668]: Failed password for root from 111.231.33.135 port 40652 ssh2
...

Jun  8 07:34:36 pkdns2 sshd\[54284\]: Failed password for root from 49.88.112.69 port 31574 ssh2Jun  8 07:36:02 pkdns2 sshd\[54382\]: Failed password for root from 49.88.112.69 port 60933 ssh2Jun  8 07:36:05 pkdns2 sshd\[54382\]: Failed password for root from 49.88.112.69 port 60933 ssh2Jun  8 07:36:06 pkdns2 sshd\[54382\]: Failed password for root from 49.88.112.69 port 60933 ssh2Jun  8 07:38:03 pkdns2 sshd\[54456\]: Failed password for root from 49.88.112.69 port 22141 ssh2Jun  8 07:38:05 pkdns2 sshd\[54456\]: Failed password for root from 49.88.112.69 port 22141 ssh2Jun  8 07:38:07 pkdns2 sshd\[54456\]: Failed password for root from 49.88.112.69 port 22141 ssh2
...

1591588496 - 06/08/2020 05:54:56 Host: 171.225.250.113/171.225.250.113 Port: 445 TCP Blocked

Lines containing failures of 110.164.93.99
Jun  8 05:49:42 shared09 sshd[590]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=110.164.93.99  user=r.r
Jun  8 05:49:44 shared09 sshd[590]: Failed password for r.r from 110.164.93.99 port 59134 ssh2
Jun  8 05:49:45 shared09 sshd[590]: Received disconnect from 110.164.93.99 port 59134:11: Bye Bye [preauth]
Jun  8 05:49:45 shared09 sshd[590]: Disconnected from authenticating user r.r 110.164.93.99 port 59134 [preauth]
Jun  8 05:56:45 shared09 sshd[3064]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=110.164.93.99  user=r.r


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=110.164.93.99

Postfix RBL failed

Jun  8 03:46:46 vlre-nyc-1 sshd\[11970\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=40.73.3.2  user=root
Jun  8 03:46:48 vlre-nyc-1 sshd\[11970\]: Failed password for root from 40.73.3.2 port 50680 ssh2
Jun  8 03:50:50 vlre-nyc-1 sshd\[12082\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=40.73.3.2  user=root
Jun  8 03:50:52 vlre-nyc-1 sshd\[12082\]: Failed password for root from 40.73.3.2 port 44616 ssh2
Jun  8 03:54:56 vlre-nyc-1 sshd\[12191\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=40.73.3.2  user=root
...

SSH invalid-user multiple login try

445/tcp
[2020-06-08]1pkt