2020-05-20T07:39:33.633206abusebot-8.cloudsearch.cf sshd[25710]: Invalid user vxe from 79.137.72.171 port 45774
2020-05-20T07:39:33.642959abusebot-8.cloudsearch.cf sshd[25710]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=171.ip-79-137-72.eu
2020-05-20T07:39:33.633206abusebot-8.cloudsearch.cf sshd[25710]: Invalid user vxe from 79.137.72.171 port 45774
2020-05-20T07:39:35.868924abusebot-8.cloudsearch.cf sshd[25710]: Failed password for invalid user vxe from 79.137.72.171 port 45774 ssh2
2020-05-20T07:49:14.246659abusebot-8.cloudsearch.cf sshd[26325]: Invalid user gre from 79.137.72.171 port 41370
2020-05-20T07:49:14.254041abusebot-8.cloudsearch.cf sshd[26325]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=171.ip-79-137-72.eu
2020-05-20T07:49:14.246659abusebot-8.cloudsearch.cf sshd[26325]: Invalid user gre from 79.137.72.171 port 41370
2020-05-20T07:49:16.415184abusebot-8.cloudsearch.cf sshd[26325]: Fail
...

Brute forcing RDP port 3389

May 20 04:49:13 vps46666688 sshd[10859]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.81.247
May 20 04:49:15 vps46666688 sshd[10859]: Failed password for invalid user inh from 122.51.81.247 port 52342 ssh2
...

May 20 08:02:58 *** sshd[18836]: Invalid user voe from 139.198.177.151

2020-05-20T07:54:41.478128shield sshd\[10565\]: Invalid user axu from 216.246.234.77 port 39626
2020-05-20T07:54:41.482125shield sshd\[10565\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=216-246-234-77.cpe.distributel.net
2020-05-20T07:54:43.544196shield sshd\[10565\]: Failed password for invalid user axu from 216.246.234.77 port 39626 ssh2
2020-05-20T08:01:52.605765shield sshd\[11997\]: Invalid user tpz from 216.246.234.77 port 40774
2020-05-20T08:01:52.609519shield sshd\[11997\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=216-246-234-77.cpe.distributel.net

Attempt to hack Wordpress Login, XMLRPC or other login

May 20 09:49:13 ns37 sshd[7090]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.83.74.126

xmlrpc attack

SSH bruteforce more then 50 syn to 22 port per 10 seconds.

May 20 03:48:25 Tower sshd[32087]: Connection from 14.134.188.56 port 51366 on 192.168.10.220 port 22 rdomain ""
May 20 03:48:39 Tower sshd[32087]: Invalid user nhh from 14.134.188.56 port 51366
May 20 03:48:39 Tower sshd[32087]: error: Could not get shadow information for NOUSER
May 20 03:48:39 Tower sshd[32087]: Failed password for invalid user nhh from 14.134.188.56 port 51366 ssh2
May 20 03:48:41 Tower sshd[32087]: Received disconnect from 14.134.188.56 port 51366:11: Bye Bye [preauth]
May 20 03:48:41 Tower sshd[32087]: Disconnected from invalid user nhh 14.134.188.56 port 51366 [preauth]

[2020-05-20 04:37:30] NOTICE[1157] chan_sip.c: Registration from '400 ' failed for '103.145.12.104:5060' - Wrong password
[2020-05-20 04:37:30] SECURITY[1173] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-05-20T04:37:30.314-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="400",SessionID="0x7f5f10443b28",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/103.145.12.104/5060",Challenge="4499f10e",ReceivedChallenge="4499f10e",ReceivedHash="3c57f9759a51c167f9178b019bc9ea39"
[2020-05-20 04:40:07] NOTICE[1157] chan_sip.c: Registration from '3001 ' failed for '103.145.12.104:5060' - Wrong password
[2020-05-20 04:40:07] SECURITY[1173] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-05-20T04:40:07.668-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="3001",SessionID="0x7f5f1051dd08",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/103.14
...

May 20 10:37:39 buvik sshd[27532]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.121.30.96
May 20 10:37:42 buvik sshd[27532]: Failed password for invalid user mep from 91.121.30.96 port 39770 ssh2
May 20 10:41:02 buvik sshd[28096]: Invalid user rwu from 91.121.30.96
...

(sshd) Failed SSH login from 51.91.127.201 (FR/France/201.ip-51-91-127.eu): 2 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: May 20 10:05:12 ubnt-55d23 sshd[31453]: Invalid user vds from 51.91.127.201 port 37370
May 20 10:05:13 ubnt-55d23 sshd[31453]: Failed password for invalid user vds from 51.91.127.201 port 37370 ssh2

port scan and connect, tcp 81 (hosts2-ns)

192. On May 18 2020 experienced a Brute Force SSH login attempt -> 37 unique times by 129.28.186.100.