103.124.92.132 - - [28/Jun/2020:14:11:09 +0200] "POST /xmlrpc.php HTTP/1.1" 403 105425 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36"
103.124.92.132 - - [28/Jun/2020:14:11:09 +0200] "POST /xmlrpc.php HTTP/1.1" 403 105421 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36"
...

Jun 18 22:05:05 www6-3 sshd[29183]: Invalid user vpn from 103.124.92.15 port 8849
Jun 18 22:05:05 www6-3 sshd[29183]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.124.92.15
Jun 18 22:05:07 www6-3 sshd[29183]: Failed password for invalid user vpn from 103.124.92.15 port 8849 ssh2
Jun 18 22:05:08 www6-3 sshd[29183]: Received disconnect from 103.124.92.15 port 8849:11: Bye Bye [preauth]
Jun 18 22:05:08 www6-3 sshd[29183]: Disconnected from 103.124.92.15 port 8849 [preauth]
Jun 18 22:07:45 www6-3 sshd[29243]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.124.92.15  user=r.r
Jun 18 22:07:46 www6-3 sshd[29243]: Failed password for r.r from 103.124.92.15 port 10251 ssh2
Jun 18 22:07:47 www6-3 sshd[29243]: Received disconnect from 103.124.92.15 port 10251:11: Bye Bye [preauth]
Jun 18 22:07:47 www6-3 sshd[29243]: Disconnected from 103.124.92.15 port 10251 [preauth]


........
-----------------------------------------------
htt

Jun 19 00:42:39 onepixel sshd[2477157]: Invalid user frappe from 103.124.92.184 port 43866
Jun 19 00:42:39 onepixel sshd[2477157]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.124.92.184 
Jun 19 00:42:39 onepixel sshd[2477157]: Invalid user frappe from 103.124.92.184 port 43866
Jun 19 00:42:40 onepixel sshd[2477157]: Failed password for invalid user frappe from 103.124.92.184 port 43866 ssh2
Jun 19 00:46:21 onepixel sshd[2478837]: Invalid user sgeadmin from 103.124.92.184 port 43758

Jun 16 08:47:44 melroy-server sshd[6088]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.124.92.184 
Jun 16 08:47:46 melroy-server sshd[6088]: Failed password for invalid user admin from 103.124.92.184 port 33490 ssh2
...

Jun  4 07:58:01 lukav-desktop sshd\[19640\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.124.92.184  user=root
Jun  4 07:58:03 lukav-desktop sshd\[19640\]: Failed password for root from 103.124.92.184 port 48586 ssh2
Jun  4 08:01:01 lukav-desktop sshd\[19674\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.124.92.184  user=root
Jun  4 08:01:03 lukav-desktop sshd\[19674\]: Failed password for root from 103.124.92.184 port 35524 ssh2
Jun  4 08:04:07 lukav-desktop sshd\[19715\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.124.92.184  user=root

Jun  3 16:36:04 roki-contabo sshd\[31444\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.124.92.184  user=root
Jun  3 16:36:06 roki-contabo sshd\[31444\]: Failed password for root from 103.124.92.184 port 51208 ssh2
Jun  3 16:53:34 roki-contabo sshd\[31736\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.124.92.184  user=root
Jun  3 16:53:36 roki-contabo sshd\[31736\]: Failed password for root from 103.124.92.184 port 43004 ssh2
Jun  3 16:58:17 roki-contabo sshd\[31786\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.124.92.184  user=root
...

May 30 20:07:18 serwer sshd\[19214\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.124.92.184  user=root
May 30 20:07:19 serwer sshd\[19214\]: Failed password for root from 103.124.92.184 port 39316 ssh2
May 30 20:15:14 serwer sshd\[20418\]: Invalid user barbara from 103.124.92.184 port 55262
May 30 20:15:14 serwer sshd\[20418\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.124.92.184
May 30 20:15:16 serwer sshd\[20418\]: Failed password for invalid user barbara from 103.124.92.184 port 55262 ssh2
May 30 20:19:26 serwer sshd\[20783\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.124.92.184  user=root
May 30 20:19:27 serwer sshd\[20783\]: Failed password for root from 103.124.92.184 port 60810 ssh2
May 30 20:23:29 serwer sshd\[21268\]: Invalid user libssh from 103.124.92.184 port 38122
May 30 20:23:29 serwer sshd\[21268\]: pam_unix\(sshd:a
...

Invalid user admin from 103.124.92.184 port 60484

May 27 23:29:47 propaganda sshd[18446]: Connection from 103.124.92.184 port 43326 on 10.0.0.161 port 22 rdomain ""
May 27 23:29:47 propaganda sshd[18446]: Connection closed by 103.124.92.184 port 43326 [preauth]

May 12 22:22:24 MainVPS sshd[18740]: Invalid user amit from 103.124.92.184 port 59346
May 12 22:22:24 MainVPS sshd[18740]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.124.92.184
May 12 22:22:24 MainVPS sshd[18740]: Invalid user amit from 103.124.92.184 port 59346
May 12 22:22:26 MainVPS sshd[18740]: Failed password for invalid user amit from 103.124.92.184 port 59346 ssh2
May 12 22:27:07 MainVPS sshd[22706]: Invalid user magazine from 103.124.92.184 port 41790
...

May  1 23:39:31 meumeu sshd[31464]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.124.92.184 
May  1 23:39:33 meumeu sshd[31464]: Failed password for invalid user startup from 103.124.92.184 port 57902 ssh2
May  1 23:43:24 meumeu sshd[32036]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.124.92.184 
...

(sshd) Failed SSH login from 103.124.92.184 (VN/Vietnam/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Apr 29 17:58:04 elude sshd[21337]: Invalid user ti from 103.124.92.184 port 55690
Apr 29 17:58:06 elude sshd[21337]: Failed password for invalid user ti from 103.124.92.184 port 55690 ssh2
Apr 29 18:05:15 elude sshd[22519]: Invalid user control from 103.124.92.184 port 38624
Apr 29 18:05:16 elude sshd[22519]: Failed password for invalid user control from 103.124.92.184 port 38624 ssh2
Apr 29 18:10:02 elude sshd[23338]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.124.92.184  user=root

Apr 28 16:05:21 home sshd[29475]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.124.92.184
Apr 28 16:05:23 home sshd[29475]: Failed password for invalid user techuser from 103.124.92.184 port 58750 ssh2
Apr 28 16:10:18 home sshd[30303]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.124.92.184
...

Apr 27 08:48:00 mail sshd\[15133\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.124.92.184  user=root
Apr 27 08:48:02 mail sshd\[15133\]: Failed password for root from 103.124.92.184 port 39966 ssh2
Apr 27 08:54:50 mail sshd\[15262\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.124.92.184  user=root
...

2020-04-25T03:55:47.733771shield sshd\[8323\]: Invalid user abc from 103.124.92.184 port 48840
2020-04-25T03:55:47.737397shield sshd\[8323\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.124.92.184
2020-04-25T03:55:49.931175shield sshd\[8323\]: Failed password for invalid user abc from 103.124.92.184 port 48840 ssh2
2020-04-25T03:59:36.227166shield sshd\[8986\]: Invalid user jboss from 103.124.92.184 port 45300
2020-04-25T03:59:36.230720shield sshd\[8986\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.124.92.184

Jul 12 22:06:44 minden010 sshd[28259]: Failed password for root from 112.85.42.181 port 22836 ssh2
Jul 12 22:06:54 minden010 sshd[28259]: Failed password for root from 112.85.42.181 port 22836 ssh2
Jul 12 22:06:57 minden010 sshd[28259]: Failed password for root from 112.85.42.181 port 22836 ssh2
Jul 12 22:06:57 minden010 sshd[28259]: error: maximum authentication attempts exceeded for root from 112.85.42.181 port 22836 ssh2 [preauth]
...

Automatic report - Port Scan Attack

2020-07-12T14:03:20.276555linuxbox-skyline auth[907082]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot ruser=siteadmin rhost=185.234.219.227
...

(imapd) Failed IMAP login from 202.137.155.95 (LA/Laos/-): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: Jul 13 00:33:10 ir1 dovecot[2885757]: imap-login: Disconnected (auth failed, 1 attempts in 5 secs): user=, method=PLAIN, rip=202.137.155.95, lip=5.63.12.44, TLS, session=

Jul 12 22:03:14 rancher-0 sshd[272626]: Invalid user vilchis from 151.80.83.249 port 41228
...

2020-07-12T19:55:21.495537abusebot-8.cloudsearch.cf sshd[32463]: Invalid user wjs from 103.97.124.200 port 52338
2020-07-12T19:55:21.505078abusebot-8.cloudsearch.cf sshd[32463]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.97.124.200
2020-07-12T19:55:21.495537abusebot-8.cloudsearch.cf sshd[32463]: Invalid user wjs from 103.97.124.200 port 52338
2020-07-12T19:55:23.392848abusebot-8.cloudsearch.cf sshd[32463]: Failed password for invalid user wjs from 103.97.124.200 port 52338 ssh2
2020-07-12T20:03:05.065111abusebot-8.cloudsearch.cf sshd[32486]: Invalid user gk from 103.97.124.200 port 60234
2020-07-12T20:03:05.070941abusebot-8.cloudsearch.cf sshd[32486]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.97.124.200
2020-07-12T20:03:05.065111abusebot-8.cloudsearch.cf sshd[32486]: Invalid user gk from 103.97.124.200 port 60234
2020-07-12T20:03:06.657488abusebot-8.cloudsearch.cf sshd[32486]: Failed pass
...

Jul 12 22:03:20 host sshd[16845]: Invalid user vbox from 40.122.118.224 port 49188
...

Jul 11 20:22:49 tuxlinux sshd[7443]: Invalid user connor from 104.248.122.143 port 48532
Jul 11 20:22:49 tuxlinux sshd[7443]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.248.122.143 
Jul 11 20:22:49 tuxlinux sshd[7443]: Invalid user connor from 104.248.122.143 port 48532
Jul 11 20:22:49 tuxlinux sshd[7443]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.248.122.143 
Jul 11 20:22:49 tuxlinux sshd[7443]: Invalid user connor from 104.248.122.143 port 48532
Jul 11 20:22:49 tuxlinux sshd[7443]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.248.122.143 
Jul 11 20:22:51 tuxlinux sshd[7443]: Failed password for invalid user connor from 104.248.122.143 port 48532 ssh2
...

Repeated brute force against a port

Jul 12 22:02:59 host sshd[16660]: Invalid user reward from 125.208.26.42 port 60915
...

Port probing on unauthorized port 23

Jul 12 20:16:02 game-panel sshd[1463]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=125.124.253.203
Jul 12 20:16:04 game-panel sshd[1463]: Failed password for invalid user service from 125.124.253.203 port 41590 ssh2
Jul 12 20:19:13 game-panel sshd[1595]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=125.124.253.203

129.158.107.182 - - [12/Jul/2020:15:03:14 -0500] "\x16\x03\x01\x00\x89\x01\x00\x00\x85\x03\x03\x89\xCB\x9B\xA3\xB7\x02aR\x1E\xB7\x08\xE1\x00\xDD\x0FfPc\xDC`\xA1\xB8\xB0\x8E~\xDA\xEB\xC9\x01q\x96\xD9\x00\x00 \xC0/\xC00\xC0+\xC0,\xCC\xA8\xCC\xA9\xC0\x13\xC0\x09\xC0\x14\xC0" 400 157 "-" "-" [From nginx logs] {Automated Report}

Brute-force attempt banned

07/12/2020-16:03:01.226066 185.232.52.55 Protocol: 6 ET SCAN NMAP -sS window 1024