Feb  5 16:07:35 hpm sshd\[7520\]: Invalid user kjc from 201.80.108.35
Feb  5 16:07:35 hpm sshd\[7520\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.80.108.35
Feb  5 16:07:37 hpm sshd\[7520\]: Failed password for invalid user kjc from 201.80.108.35 port 32039 ssh2
Feb  5 16:11:53 hpm sshd\[8201\]: Invalid user vnp from 201.80.108.35
Feb  5 16:11:53 hpm sshd\[8201\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.80.108.35

Aug 18 13:16:44 h2646465 sshd[21896]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.80.108.92  user=root
Aug 18 13:16:46 h2646465 sshd[21896]: Failed password for root from 201.80.108.92 port 40510 ssh2
Aug 18 13:58:08 h2646465 sshd[26916]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.80.108.92  user=root
Aug 18 13:58:10 h2646465 sshd[26916]: Failed password for root from 201.80.108.92 port 42458 ssh2
Aug 18 14:10:53 h2646465 sshd[29225]: Invalid user test from 201.80.108.92
Aug 18 14:10:53 h2646465 sshd[29225]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.80.108.92
Aug 18 14:10:53 h2646465 sshd[29225]: Invalid user test from 201.80.108.92
Aug 18 14:10:56 h2646465 sshd[29225]: Failed password for invalid user test from 201.80.108.92 port 49355 ssh2
Aug 18 14:29:44 h2646465 sshd[31237]: Invalid user czt from 201.80.108.92
...

$f2bV_matches

Lines containing failures of 201.80.108.92
Aug  2 21:24:40 MAKserver05 sshd[4632]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.80.108.92  user=r.r
Aug  2 21:24:42 MAKserver05 sshd[4632]: Failed password for r.r from 201.80.108.92 port 60976 ssh2
Aug  2 21:24:44 MAKserver05 sshd[4632]: Received disconnect from 201.80.108.92 port 60976:11: Bye Bye [preauth]
Aug  2 21:24:44 MAKserver05 sshd[4632]: Disconnected from authenticating user r.r 201.80.108.92 port 60976 [preauth]
Aug  2 21:58:16 MAKserver05 sshd[6793]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.80.108.92  user=r.r
Aug  2 21:58:18 MAKserver05 sshd[6793]: Failed password for r.r from 201.80.108.92 port 47852 ssh2
Aug  2 21:58:18 MAKserver05 sshd[6793]: Received disconnect from 201.80.108.92 port 47852:11: Bye Bye [preauth]
Aug  2 21:58:18 MAKserver05 sshd[6793]: Disconnected from authenticating user r.r 201.80.108.92 por........
------------------------------

Feb 25 01:50:10 localhost sshd\[24816\]: Invalid user es from 201.80.108.234 port 30942
Feb 25 01:50:10 localhost sshd\[24816\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.80.108.234
Feb 25 01:50:12 localhost sshd\[24816\]: Failed password for invalid user es from 201.80.108.234 port 30942 ssh2

$f2bV_matches

2019-12-18T15:35:49.015341host3.slimhost.com.ua sshd[1763468]: Invalid user jfujita from 201.80.108.83 port 31824
2019-12-18T15:35:49.020107host3.slimhost.com.ua sshd[1763468]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.80.108.83
2019-12-18T15:35:49.015341host3.slimhost.com.ua sshd[1763468]: Invalid user jfujita from 201.80.108.83 port 31824
2019-12-18T15:35:51.044932host3.slimhost.com.ua sshd[1763468]: Failed password for invalid user jfujita from 201.80.108.83 port 31824 ssh2
2019-12-18T15:45:34.490607host3.slimhost.com.ua sshd[1766477]: Invalid user tsuda from 201.80.108.83 port 31922
2019-12-18T15:45:34.494912host3.slimhost.com.ua sshd[1766477]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.80.108.83
2019-12-18T15:45:34.490607host3.slimhost.com.ua sshd[1766477]: Invalid user tsuda from 201.80.108.83 port 31922
2019-12-18T15:45:35.831911host3.slimhost.com.ua sshd[1766477]: Failed password 
...

Invalid user admin from 201.80.108.83 port 30838
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.80.108.83
Failed password for invalid user admin from 201.80.108.83 port 30838 ssh2
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.80.108.83  user=root
Failed password for root from 201.80.108.83 port 31477 ssh2

Dec 15 21:32:02 server sshd\[27348\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.80.108.83  user=root
Dec 15 21:32:04 server sshd\[27348\]: Failed password for root from 201.80.108.83 port 32163 ssh2
Dec 15 21:39:50 server sshd\[29489\]: Invalid user search from 201.80.108.83
Dec 15 21:39:50 server sshd\[29489\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.80.108.83 
Dec 15 21:39:52 server sshd\[29489\]: Failed password for invalid user search from 201.80.108.83 port 31164 ssh2
...

Dec  9 22:45:32 legacy sshd[31968]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.80.108.83
Dec  9 22:45:34 legacy sshd[31968]: Failed password for invalid user elconix from 201.80.108.83 port 32291 ssh2
Dec  9 22:52:37 legacy sshd[32239]: Failed password for root from 201.80.108.83 port 32206 ssh2
...

Dec  8 07:23:12 OPSO sshd\[30454\]: Invalid user host from 201.80.108.83 port 31102
Dec  8 07:23:12 OPSO sshd\[30454\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.80.108.83
Dec  8 07:23:13 OPSO sshd\[30454\]: Failed password for invalid user host from 201.80.108.83 port 31102 ssh2
Dec  8 07:30:42 OPSO sshd\[32096\]: Invalid user ydadc from 201.80.108.83 port 30843
Dec  8 07:30:42 OPSO sshd\[32096\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.80.108.83

Dec  8 07:01:32 OPSO sshd\[25304\]: Invalid user smmsp from 201.80.108.83 port 31701
Dec  8 07:01:32 OPSO sshd\[25304\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.80.108.83
Dec  8 07:01:34 OPSO sshd\[25304\]: Failed password for invalid user smmsp from 201.80.108.83 port 31701 ssh2
Dec  8 07:08:55 OPSO sshd\[26883\]: Invalid user kolnes from 201.80.108.83 port 31493
Dec  8 07:08:55 OPSO sshd\[26883\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.80.108.83

1574922435 - 11/28/2019 07:27:15 Host: 201.80.108.83/201.80.108.83 Port: 22 TCP Blocked

Nov 26 08:11:57 web8 sshd\[7645\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.80.108.83  user=root
Nov 26 08:11:59 web8 sshd\[7645\]: Failed password for root from 201.80.108.83 port 32336 ssh2
Nov 26 08:16:33 web8 sshd\[10095\]: Invalid user temp from 201.80.108.83
Nov 26 08:16:33 web8 sshd\[10095\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.80.108.83
Nov 26 08:16:36 web8 sshd\[10095\]: Failed password for invalid user temp from 201.80.108.83 port 31257 ssh2

SSH Brute Force, server-1 sshd[23534]: Failed password for invalid user sa1984 from 201.80.108.83 port 32469 ssh2

Nov 12 21:29:55 *** sshd[17126]: Failed password for invalid user lutgarda from 201.80.108.83 port 32692 ssh2
Nov 12 21:54:11 *** sshd[17472]: Failed password for invalid user http from 201.80.108.83 port 31009 ssh2
Nov 12 21:58:25 *** sshd[17518]: Failed password for invalid user www from 201.80.108.83 port 30967 ssh2
Nov 12 22:02:53 *** sshd[17586]: Failed password for invalid user mit from 201.80.108.83 port 32024 ssh2
Nov 12 22:08:02 *** sshd[17688]: Failed password for invalid user ob from 201.80.108.83 port 31048 ssh2
Nov 12 22:12:53 *** sshd[17799]: Failed password for invalid user steven from 201.80.108.83 port 32080 ssh2
Nov 12 22:17:28 *** sshd[17852]: Failed password for invalid user test from 201.80.108.83 port 31098 ssh2
Nov 12 22:22:14 *** sshd[17944]: Failed password for invalid user 123456 from 201.80.108.83 port 32149 ssh2
Nov 12 22:27:10 *** sshd[18024]: Failed password for invalid user sallitt from 201.80.108.83 port 31182 ssh2
Nov 12 22:31:57 *** sshd[18071]: Failed password for invalid us

Oct 10 22:45:59 SRV001 postfix/smtpd[15262]: NOQUEUE: reject: RCPT from unknown[104.148.61.175]: 554 5.7.1 : Relay access denied; from= to= proto=SMTP helo=
...

Brute-force attempt banned

$f2bV_matches

Use Brute-Force

2020-10-11 10:22:08 dovecot_login authenticator failed for \(localhost\) \[45.142.120.15\]: 535 Incorrect authentication data \(set_id=strashimirov@org.ua\)2020-10-11 10:22:09 dovecot_login authenticator failed for \(localhost\) \[45.142.120.15\]: 535 Incorrect authentication data \(set_id=zakavec@org.ua\)2020-10-11 10:22:10 dovecot_login authenticator failed for \(localhost\) \[45.142.120.15\]: 535 Incorrect authentication data \(set_id=prietos@org.ua\)
...

DATE:2020-10-11 07:40:45, IP:142.44.211.27, PORT:ssh SSH brute force auth (docker-dc)

DATE:2020-10-11 08:46:28,IP:61.155.233.234,MATCHES:10,PORT:ssh

Oct 11 13:57:04 itv-usvr-02 sshd[22020]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.230.219  user=root
Oct 11 13:57:06 itv-usvr-02 sshd[22020]: Failed password for root from 106.13.230.219 port 37394 ssh2
Oct 11 13:58:36 itv-usvr-02 sshd[22069]: Invalid user wwwdata from 106.13.230.219 port 54106
Oct 11 13:58:36 itv-usvr-02 sshd[22069]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.230.219
Oct 11 13:58:36 itv-usvr-02 sshd[22069]: Invalid user wwwdata from 106.13.230.219 port 54106
Oct 11 13:58:38 itv-usvr-02 sshd[22069]: Failed password for invalid user wwwdata from 106.13.230.219 port 54106 ssh2

Oct 11 01:50:38 ssh2 sshd[34372]: Invalid user admin from 185.42.170.203 port 42213
Oct 11 01:50:39 ssh2 sshd[34372]: Failed password for invalid user admin from 185.42.170.203 port 42213 ssh2
Oct 11 01:50:39 ssh2 sshd[34372]: Connection closed by invalid user admin 185.42.170.203 port 42213 [preauth]
...

Oct 11 08:04:55 inter-technics sshd[4340]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=116.196.120.254  user=root
Oct 11 08:04:58 inter-technics sshd[4340]: Failed password for root from 116.196.120.254 port 40636 ssh2
Oct 11 08:14:49 inter-technics sshd[5105]: Invalid user n3os from 116.196.120.254 port 46736
Oct 11 08:14:49 inter-technics sshd[5105]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=116.196.120.254
Oct 11 08:14:49 inter-technics sshd[5105]: Invalid user n3os from 116.196.120.254 port 46736
Oct 11 08:14:51 inter-technics sshd[5105]: Failed password for invalid user n3os from 116.196.120.254 port 46736 ssh2
...

(sshd) Failed SSH login from 152.136.143.44 (CN/China/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Oct 10 22:54:39 server2 sshd[3648]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=152.136.143.44  user=root
Oct 10 22:54:41 server2 sshd[3648]: Failed password for root from 152.136.143.44 port 33104 ssh2
Oct 10 22:58:55 server2 sshd[5797]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=152.136.143.44  user=root
Oct 10 22:58:57 server2 sshd[5797]: Failed password for root from 152.136.143.44 port 55286 ssh2
Oct 10 23:02:02 server2 sshd[7490]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=152.136.143.44  user=root

[N3.H3.VM3] Port Scanner Detected Blocked by UFW

srvr2: (mod_security) mod_security (id:920350) triggered by 45.45.21.189 (CA/-/modemcable189.21-45-45.mc.videotron.ca): 1 in the last 600 secs; Ports: *; Direction: inout; Trigger: LF_MODSEC; Logs: 2020/10/10 22:46:28 [error] 201616#0: *5361 [client 45.45.21.189] ModSecurity: Access denied with code 406 (phase 2). Matched "Operator `Rx' with parameter `^[\d.:]+$' against variable `REQUEST_HEADERS:Host'  [redacted] [file "/etc/modsecurity.d/REQUEST-920-PROTOCOL-ENFORCEMENT.conf"] [line "718"] [id "920350"] [rev ""] [msg "Host header is a numeric IP address"] [redacted] [severity "4"] [ver "OWASP_CRS/3.3.0"] [maturity "0"] [accuracy "0"] [tag "application-multi"] [tag "language-multi"] [tag "platform-multi"] [tag "attack-protocol"] [tag "paranoia-level/1"] [tag "OWASP_CRS"] [tag "capec/1000/210/272"] [tag "PCI/6.5.10"] [redacted] [uri "/"] [unique_id "16023627889.799352"] [ref "o0,18v21,18"], client: 45.45.21.189, [redacted] request: "GET / HTTP/1.1" [redacted]

CMS (WordPress or Joomla) login attempt.

SCAN: Host Sweep CloudCIX Reconnaissance Scan Detected, PTR: PTR record not found