Dec  9 07:08:41 h2812830 sshd[13413]: Invalid user meruma from 49.235.209.223 port 56468
Dec  9 07:08:41 h2812830 sshd[13413]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.235.209.223
Dec  9 07:08:41 h2812830 sshd[13413]: Invalid user meruma from 49.235.209.223 port 56468
Dec  9 07:08:43 h2812830 sshd[13413]: Failed password for invalid user meruma from 49.235.209.223 port 56468 ssh2
Dec  9 07:29:03 h2812830 sshd[13935]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.235.209.223  user=root
Dec  9 07:29:04 h2812830 sshd[13935]: Failed password for root from 49.235.209.223 port 58798 ssh2
...

Dec  8 15:49:13 MK-Soft-Root2 sshd[12448]: Failed password for backup from 49.235.209.223 port 58502 ssh2
...

Dec  7 22:23:31 php1 sshd\[31764\]: Invalid user ndes from 49.235.209.223
Dec  7 22:23:31 php1 sshd\[31764\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.235.209.223
Dec  7 22:23:33 php1 sshd\[31764\]: Failed password for invalid user ndes from 49.235.209.223 port 53308 ssh2
Dec  7 22:30:18 php1 sshd\[369\]: Invalid user aurelie123456 from 49.235.209.223
Dec  7 22:30:18 php1 sshd\[369\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.235.209.223

Dec  4 17:44:25 Tower sshd[28090]: Connection from 49.235.209.223 port 43720 on 192.168.10.220 port 22
Dec  4 17:44:27 Tower sshd[28090]: Invalid user boby from 49.235.209.223 port 43720
Dec  4 17:44:27 Tower sshd[28090]: error: Could not get shadow information for NOUSER
Dec  4 17:44:27 Tower sshd[28090]: Failed password for invalid user boby from 49.235.209.223 port 43720 ssh2
Dec  4 17:44:27 Tower sshd[28090]: Received disconnect from 49.235.209.223 port 43720:11: Bye Bye [preauth]
Dec  4 17:44:27 Tower sshd[28090]: Disconnected from invalid user boby 49.235.209.223 port 43720 [preauth]

Dec  2 10:24:18 srv01 sshd[24864]: Invalid user webmaster from 49.235.209.223 port 38472
Dec  2 10:24:18 srv01 sshd[24864]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.235.209.223
Dec  2 10:24:18 srv01 sshd[24864]: Invalid user webmaster from 49.235.209.223 port 38472
Dec  2 10:24:21 srv01 sshd[24864]: Failed password for invalid user webmaster from 49.235.209.223 port 38472 ssh2
Dec  2 10:30:38 srv01 sshd[25478]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.235.209.223  user=root
Dec  2 10:30:40 srv01 sshd[25478]: Failed password for root from 49.235.209.223 port 36834 ssh2
...

Nov 29 20:36:14 hpm sshd\[32086\]: Invalid user shultise from 49.235.209.223
Nov 29 20:36:14 hpm sshd\[32086\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.235.209.223
Nov 29 20:36:15 hpm sshd\[32086\]: Failed password for invalid user shultise from 49.235.209.223 port 47030 ssh2
Nov 29 20:40:08 hpm sshd\[32465\]: Invalid user hou123 from 49.235.209.223
Nov 29 20:40:08 hpm sshd\[32465\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.235.209.223

Nov 29 19:32:29 hpm sshd\[27789\]: Invalid user donal from 49.235.209.223
Nov 29 19:32:29 hpm sshd\[27789\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.235.209.223
Nov 29 19:32:31 hpm sshd\[27789\]: Failed password for invalid user donal from 49.235.209.223 port 34048 ssh2
Nov 29 19:36:30 hpm sshd\[28041\]: Invalid user wwwwwwwww from 49.235.209.223
Nov 29 19:36:30 hpm sshd\[28041\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.235.209.223

ssh failed login

5x Failed Password

2019-11-10T08:25:04.537219scmdmz1 sshd\[4801\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.235.209.223  user=root
2019-11-10T08:25:05.983647scmdmz1 sshd\[4801\]: Failed password for root from 49.235.209.223 port 40026 ssh2
2019-11-10T08:29:33.349240scmdmz1 sshd\[5121\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.235.209.223  user=root
...

Invalid user zhanglei from 49.235.209.206 port 50540

2020-09-25 12:51:40,883 fail2ban.actions: WARNING [ssh] Ban 49.235.209.206

Sep 25 07:42:42  sshd\[11432\]: User root from 49.235.209.206 not allowed because not listed in AllowUsersSep 25 07:42:43  sshd\[11432\]: Failed password for invalid user root from 49.235.209.206 port 44694 ssh2
...

fail2ban detected brute force on sshd

2020-09-10T13:38:45.720793paragon sshd[32007]: Failed password for invalid user toor from 49.235.209.206 port 49674 ssh2
2020-09-10T13:41:37.208694paragon sshd[32232]: Invalid user oraprod from 49.235.209.206 port 53344
2020-09-10T13:41:37.212590paragon sshd[32232]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.235.209.206
2020-09-10T13:41:37.208694paragon sshd[32232]: Invalid user oraprod from 49.235.209.206 port 53344
2020-09-10T13:41:39.384485paragon sshd[32232]: Failed password for invalid user oraprod from 49.235.209.206 port 53344 ssh2
...

Sep  7 15:21:00 ns3164893 sshd[3199]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.235.209.206
Sep  7 15:21:02 ns3164893 sshd[3199]: Failed password for invalid user upgrade from 49.235.209.206 port 39538 ssh2
...

2020-09-07T10:54:20.405886ks3355764 sshd[18605]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.235.209.206  user=root
2020-09-07T10:54:22.462767ks3355764 sshd[18605]: Failed password for root from 49.235.209.206 port 47036 ssh2
...

Invalid user praveen from 49.235.209.206 port 52432

Sep  1 20:44:00 pixelmemory sshd[3004027]: Invalid user valentine from 49.235.209.206 port 34442
Sep  1 20:44:00 pixelmemory sshd[3004027]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.235.209.206 
Sep  1 20:44:00 pixelmemory sshd[3004027]: Invalid user valentine from 49.235.209.206 port 34442
Sep  1 20:44:02 pixelmemory sshd[3004027]: Failed password for invalid user valentine from 49.235.209.206 port 34442 ssh2
Sep  1 20:47:09 pixelmemory sshd[3004527]: Invalid user mysql from 49.235.209.206 port 36842
...

(sshd) Failed SSH login from 49.235.209.206 (CN/China/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Sep  1 22:32:34 amsweb01 sshd[5677]: Invalid user support from 49.235.209.206 port 55598
Sep  1 22:32:36 amsweb01 sshd[5677]: Failed password for invalid user support from 49.235.209.206 port 55598 ssh2
Sep  1 22:38:11 amsweb01 sshd[6545]: Invalid user karen from 49.235.209.206 port 55644
Sep  1 22:38:13 amsweb01 sshd[6545]: Failed password for invalid user karen from 49.235.209.206 port 55644 ssh2
Sep  1 22:43:25 amsweb01 sshd[7506]: Invalid user bea from 49.235.209.206 port 53890

MultiHost/MultiPort Probe, Scan, Hack -

SSH Brute Force

Unauthorized connection attempt detected from IP address 113.26.83.219 to port 23 [J]

Feb  4 14:54:13 server sshd\[30425\]: Invalid user live from 126.1.48.163
Feb  4 14:54:13 server sshd\[30425\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=softbank126001048163.bbtec.net 
Feb  4 14:54:15 server sshd\[30425\]: Failed password for invalid user live from 126.1.48.163 port 47332 ssh2
Feb  4 16:07:50 server sshd\[15967\]: Invalid user ubuntu from 126.1.48.163
Feb  4 16:07:50 server sshd\[15967\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=softbank126001048163.bbtec.net 
...

Unauthorized connection attempt detected from IP address 157.245.232.114 to port 2220 [J]

Feb  4 13:38:11 hcbbdb sshd\[15354\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.88.112.65  user=root
Feb  4 13:38:13 hcbbdb sshd\[15354\]: Failed password for root from 49.88.112.65 port 26873 ssh2
Feb  4 13:39:18 hcbbdb sshd\[15462\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.88.112.65  user=root
Feb  4 13:39:20 hcbbdb sshd\[15462\]: Failed password for root from 49.88.112.65 port 51963 ssh2
Feb  4 13:40:23 hcbbdb sshd\[15565\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.88.112.65  user=root

Unauthorized connection attempt detected from IP address 187.188.193.211 to port 2220 [J]

Unauthorized connection attempt detected from IP address 200.168.123.112 to port 23 [J]

Feb  4 07:36:04 grey postfix/smtpd\[13713\]: NOQUEUE: reject: RCPT from unknown\[39.121.152.168\]: 554 5.7.1 Service unavailable\; Client host \[39.121.152.168\] blocked using truncate.gbudb.net\; http://www.gbudb.com/truncate/ \[39.121.152.168\]\; from=\ to=\ proto=ESMTP helo=\<\[39.121.152.168\]\>
...

Feb  4 14:11:16 mail sshd\[2776\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.239.78.88  user=root
Feb  4 14:11:18 mail sshd\[2776\]: Failed password for root from 222.239.78.88 port 34689 ssh2
Feb  4 14:13:26 mail sshd\[2891\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.239.78.88  user=root

Feb  4 14:22:41 dedicated sshd[29366]: Invalid user sarmiento from 106.13.46.123 port 45272

Unauthorized connection attempt detected from IP address 179.214.194.140 to port 2220 [J]

Feb  4 03:14:16 web1 sshd\[25753\]: Invalid user xelloss from 106.13.161.29
Feb  4 03:14:16 web1 sshd\[25753\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.161.29
Feb  4 03:14:18 web1 sshd\[25753\]: Failed password for invalid user xelloss from 106.13.161.29 port 51342 ssh2
Feb  4 03:17:10 web1 sshd\[26061\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.161.29  user=root
Feb  4 03:17:12 web1 sshd\[26061\]: Failed password for root from 106.13.161.29 port 42986 ssh2

Feb  4 05:52:40 grey postfix/smtpd\[14724\]: NOQUEUE: reject: RCPT from unknown\[121.101.129.125\]: 554 5.7.1 Service unavailable\; Client host \[121.101.129.125\] blocked using cbl.abuseat.org\; Blocked - see http://www.abuseat.org/lookup.cgi\?ip=121.101.129.125\; from=\ to=\ proto=ESMTP helo=\
...

Feb  4 11:55:44 journals dovecot: pop3-login: Aborted login \(auth failed, 1 attempts in 4 secs\): user=\, method=PLAIN, rip=123.207.252.233, lip=212.111.212.230, session=\<8sTgCr2dMOJ7z/zp\>
Feb  4 11:55:53 journals dovecot: pop3-login: Aborted login \(auth failed, 1 attempts in 8 secs\): user=\, method=PLAIN, rip=123.207.252.233, lip=212.111.212.230, session=\<3A8xC72dkOV7z/zp\>
Feb  4 11:56:07 journals dovecot: pop3-login: Aborted login \(auth failed, 1 attempts in 13 secs\): user=\, method=PLAIN, rip=123.207.252.233, lip=212.111.212.230, session=\
Feb  4 11:57:31 journals dovecot: pop3-login: Aborted login \(auth failed, 1 attempts in 5 secs\): user=\, method=PLAIN, rip=123.207.252.233, lip=212.111.212.230, session=\
Feb  4 11:57:39 journals dovecot: pop3-login: Aborted login \(auth failed, 1 attempts in 8 secs\): user=\, method=PLAIN, rip=123
...

firewall-block, port(s): 5353/udp

scans 4 times in preceeding hours on the ports (in chronological order) 65333 10444 10999 12111 resulting in total of 258 scans from 185.176.27.0/24 block.