May 30 23:28:53 localhost sshd[3468008]: Invalid user rene3005 from 107.173.34.202 port 54798
...

*Port Scan* detected from 107.173.34.202 (US/United States/California/Los Angeles (Downtown)/107-173-34-202-host.colocrossing.com). 4 hits in the last 25 seconds

Apr 28 09:40:52 server sshd[26441]: Failed password for root from 107.173.34.202 port 44304 ssh2
Apr 28 09:45:02 server sshd[26807]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=107.173.34.202
Apr 28 09:45:04 server sshd[26807]: Failed password for invalid user yao from 107.173.34.202 port 57308 ssh2
...

"fail2ban match"

Apr 25 14:58:20 mail sshd[14613]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=107.173.34.202
Apr 25 14:58:22 mail sshd[14613]: Failed password for invalid user p@ssw0rd from 107.173.34.202 port 37078 ssh2
Apr 25 15:02:20 mail sshd[15393]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=107.173.34.202

2020-04-16T20:32:36.003933upcloud.m0sh1x2.com sshd[23497]: Invalid user mz from 107.173.34.202 port 44050

2020-04-09T21:55:32.182163shield sshd\[29049\]: Invalid user deploy from 107.173.34.202 port 58188
2020-04-09T21:55:32.186864shield sshd\[29049\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=107.173.34.202
2020-04-09T21:55:34.792601shield sshd\[29049\]: Failed password for invalid user deploy from 107.173.34.202 port 58188 ssh2
2020-04-09T21:57:26.907677shield sshd\[29160\]: Invalid user admin from 107.173.34.202 port 54522
2020-04-09T21:57:26.912290shield sshd\[29160\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=107.173.34.202

Apr  7 09:17:56 NPSTNNYC01T sshd[6315]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=107.173.34.202
Apr  7 09:17:58 NPSTNNYC01T sshd[6315]: Failed password for invalid user ubuntu from 107.173.34.202 port 35068 ssh2
Apr  7 09:21:49 NPSTNNYC01T sshd[6576]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=107.173.34.202
...

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Feb 17 23:11:07 cvbnet sshd[2228]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=107.173.34.178 
Feb 17 23:11:08 cvbnet sshd[2228]: Failed password for invalid user webadmin from 107.173.34.178 port 37557 ssh2
...

$f2bV_matches

Feb  9 02:28:16 lnxmysql61 sshd[13692]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=107.173.34.178

Nov 22 06:10:59 sachi sshd\[18114\]: Invalid user bochinski from 107.173.35.206
Nov 22 06:10:59 sachi sshd\[18114\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=107.173.35.206
Nov 22 06:11:02 sachi sshd\[18114\]: Failed password for invalid user bochinski from 107.173.35.206 port 56242 ssh2
Nov 22 06:16:18 sachi sshd\[18523\]: Invalid user iwato from 107.173.35.206
Nov 22 06:16:18 sachi sshd\[18523\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=107.173.35.206

SSH login attempts with user root.

Nov 15 17:22:53 sanyalnet-cloud-vps4 sshd[11932]: Connection from 107.173.35.206 port 42332 on 64.137.160.124 port 23
Nov 15 17:22:54 sanyalnet-cloud-vps4 sshd[11932]: Address 107.173.35.206 maps to 107-173-35-206-host.colocrossing.com, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!
Nov 15 17:22:54 sanyalnet-cloud-vps4 sshd[11932]: Invalid user aden from 107.173.35.206
Nov 15 17:22:54 sanyalnet-cloud-vps4 sshd[11932]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=107.173.35.206 
Nov 15 17:22:56 sanyalnet-cloud-vps4 sshd[11932]: Failed password for invalid user aden from 107.173.35.206 port 42332 ssh2
Nov 15 17:22:56 sanyalnet-cloud-vps4 sshd[11932]: Received disconnect from 107.173.35.206: 11: Bye Bye [preauth]
Nov 15 17:35:51 sanyalnet-cloud-vps4 sshd[12112]: Connection from 107.173.35.206 port 47040 on 64.137.160.124 port 23
Nov 15 17:35:52 sanyalnet-cloud-vps4 sshd[12112]: Address 107.173.35.206 maps t........
-------------------------------

[Thu Aug 20 02:37:08.890862 2020] [:error] [pid 29959:tid 140548199257856] [client 46.229.168.147:43444] [client 46.229.168.147] ModSecurity: Access denied with code 403 (phase 4). Pattern match "^5\\\\d{2}$" at RESPONSE_STATUS. [file "/etc/modsecurity/owasp-modsecurity-crs-3.2.0/rules/RESPONSE-950-DATA-LEAKAGES.conf"] [line "118"] [id "950100"] [msg "The Application Returned a 500-Level Status Code"] [data "Matched Data: 500 found within RESPONSE_STATUS: 500"] [severity "ERROR"] [ver "OWASP_CRS/3.2.0"] [tag "application-multi"] [tag "language-multi"] [tag "platform-multi"] [tag "attack-disclosure"] [tag "WASCTC/WASC-13"] [tag "OWASP_TOP_10/A6"] [tag "PCI/6.5.6"] [tag "paranoia-level/2"] [hostname "karangploso.jatim.bmkg.go.id"] [uri "/index.php/prakiraan-iklim/agroklimatologi/kalender-tanam/2299-kalender-tanam-katam-terpadu-pulau-sulawesi/kalender-tanam-katam-terpadu-provinsi-gorontalo/kalender-tanam-katam-terpadu-kabupaten-bone-bolango-provinsi-gorontalo/kalender-tanam-katam-terpadu-
...

Aug 19 22:40:26 server dovecot: imap-login: Aborted login (auth failed, 1 attempts in 3 secs): user=, method=PLAIN, rip=87.166.193.105, lip=144.91.77.193, session=<4QtIA0GtmcFXpsFp>
Aug 19 22:40:52 server dovecot: imap-login: Aborted login (auth failed, 1 attempts in 2 secs): user=, method=PLAIN, rip=87.166.193.105, lip=144.91.77.193, session=
Aug 19 22:45:17 server dovecot: imap-login: Disconnected (auth failed, 1 attempts in 2 secs): user=, method=PLAIN, rip=87.166.193.105, lip=144.91.77.193, session=
Aug 19 22:53:02 server dovecot: imap-login: Aborted login (auth failed, 1 attempts in 2 secs): user=, method=PLAIN, rip=87.166.193.105, lip=144.91.77.193, session=
Aug 19 22:53:09 server dovecot: imap-login: Aborted login (auth failed, 1 attempts in 6 secs): user=, method=PLAIN, rip=87.166.193.105, lip=144.91.77.193, session=

Aug 19 20:56:14 game-panel sshd[20739]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.26.69
Aug 19 20:56:16 game-panel sshd[20739]: Failed password for invalid user huang from 165.227.26.69 port 35442 ssh2
Aug 19 20:59:46 game-panel sshd[20953]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.26.69

familiengesundheitszentrum-fulda.de 35.224.216.78 [19/Aug/2020:22:53:14 +0200] "POST /wp-login.php HTTP/1.1" 200 6739 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
familiengesundheitszentrum-fulda.de 35.224.216.78 [19/Aug/2020:22:53:15 +0200] "POST /wp-login.php HTTP/1.1" 200 6699 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"

Aug 19 16:02:13 rancher-0 sshd[1160328]: Failed password for root from 23.129.64.215 port 36363 ssh2
Aug 19 16:02:13 rancher-0 sshd[1160328]: error: maximum authentication attempts exceeded for root from 23.129.64.215 port 36363 ssh2 [preauth]
...

$f2bV_matches

3 failed Login Attempts - SSH LOGIN authentication failed

2020-08-19T22:58:21+0200 Failed SSH Authentication/Brute Force Attack. (Server 5)

" "

Aug 20 02:18:43 dhoomketu sshd[2495260]: Invalid user vvv from 182.61.4.60 port 33746
Aug 20 02:18:43 dhoomketu sshd[2495260]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.4.60 
Aug 20 02:18:43 dhoomketu sshd[2495260]: Invalid user vvv from 182.61.4.60 port 33746
Aug 20 02:18:45 dhoomketu sshd[2495260]: Failed password for invalid user vvv from 182.61.4.60 port 33746 ssh2
Aug 20 02:23:06 dhoomketu sshd[2495375]: Invalid user bo from 182.61.4.60 port 42246
...

2020-08-19 15:24:52 SMTP protocol synchronization error (input sent without waiting for greeting): rejected connection from H=servidor.g-8d.com [149.56.22.52] input="S"
...

207.166.186.217 - - [19/Aug/2020:21:54:37 +0200] "GET /wp-login.php HTTP/1.1" 200 9155 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
207.166.186.217 - - [19/Aug/2020:21:54:38 +0200] "POST /wp-login.php HTTP/1.1" 200 9406 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
207.166.186.217 - - [19/Aug/2020:21:54:40 +0200] "POST /xmlrpc.php HTTP/1.1" 200 427 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"

2020-08-19T21:03:57.677552shield sshd\[18444\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.114.183.108  user=root
2020-08-19T21:04:00.136493shield sshd\[18444\]: Failed password for root from 122.114.183.108 port 42892 ssh2
2020-08-19T21:04:46.901249shield sshd\[18576\]: Invalid user ui from 122.114.183.108 port 47454
2020-08-19T21:04:46.918893shield sshd\[18576\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.114.183.108
2020-08-19T21:04:48.432877shield sshd\[18576\]: Failed password for invalid user ui from 122.114.183.108 port 47454 ssh2

Aug 19 22:50:24 abendstille sshd\[22377\]: Invalid user serverpilot from 1.193.39.85
Aug 19 22:50:24 abendstille sshd\[22377\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=1.193.39.85
Aug 19 22:50:26 abendstille sshd\[22377\]: Failed password for invalid user serverpilot from 1.193.39.85 port 36439 ssh2
Aug 19 22:53:40 abendstille sshd\[25398\]: Invalid user git from 1.193.39.85
Aug 19 22:53:40 abendstille sshd\[25398\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=1.193.39.85
...

2020-08-19T20:12:57.067599randservbullet-proofcloud-66.localdomain sshd[7279]: Invalid user fountain from 202.131.69.18 port 35391
2020-08-19T20:12:57.073005randservbullet-proofcloud-66.localdomain sshd[7279]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=mail.fml-group.com
2020-08-19T20:12:57.067599randservbullet-proofcloud-66.localdomain sshd[7279]: Invalid user fountain from 202.131.69.18 port 35391
2020-08-19T20:12:58.775301randservbullet-proofcloud-66.localdomain sshd[7279]: Failed password for invalid user fountain from 202.131.69.18 port 35391 ssh2
...