SSH invalid-user multiple login attempts

Jun  2 14:25:49 Host-KLAX-C dovecot: imap-login: Disconnected (auth failed, 1 attempts in 6 secs): user=, method=PLAIN, rip=113.21.99.66, lip=185.198.26.142, TLS, session=
...

Jun  2 23:20:20 lukav-desktop sshd\[32560\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.232.34.247  user=root
Jun  2 23:20:21 lukav-desktop sshd\[32560\]: Failed password for root from 49.232.34.247 port 36090 ssh2
Jun  2 23:23:05 lukav-desktop sshd\[32589\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.232.34.247  user=root
Jun  2 23:23:06 lukav-desktop sshd\[32589\]: Failed password for root from 49.232.34.247 port 53674 ssh2
Jun  2 23:26:23 lukav-desktop sshd\[32651\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.232.34.247  user=root

Telnet Server BruteForce Attack

2020-06-02T23:26:31.884443sd-86998 sshd[2347]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=197.234.193.46  user=root
2020-06-02T23:26:33.432238sd-86998 sshd[2347]: Failed password for root from 197.234.193.46 port 38598 ssh2
2020-06-02T23:27:07.850317sd-86998 sshd[2422]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=197.234.193.46  user=root
2020-06-02T23:27:09.338235sd-86998 sshd[2422]: Failed password for root from 197.234.193.46 port 44060 ssh2
2020-06-02T23:27:43.641255sd-86998 sshd[2491]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=197.234.193.46  user=root
2020-06-02T23:27:45.741040sd-86998 sshd[2491]: Failed password for root from 197.234.193.46 port 49522 ssh2
...

SSH brute force

[TueJun0222:25:30.0799612020][:error][pid29773:tid47395576493824][client2a01:7e01::f03c:91ff:fed3:3e2d:43964][client2a01:7e01::f03c:91ff:fed3:3e2d]ModSecurity:Accessdeniedwithcode403\(phase2\).Patternmatch"\(\?:administrator\|users_can_register\|https\?\)"atARGS:data.[file"/usr/local/apache.ea3/conf/modsec_rules/99_asl_jitp.conf"][line"424"][id"347150"][rev"2"][msg"Atomicorp.comWAFRules:WordPressGDPRCompliancePluginExploitblocked"][data"admin-ajax.php"][severity"CRITICAL"][hostname"www.cdconsult.ch"][uri"/wp-admin/admin-ajax.php"][unique_id"Xta1urO79SVa@1nVQG9BNQAAANE"][TueJun0222:25:48.1515482020][:error][pid29626:tid47395488044800][client2a01:7e01::f03c:91ff:fed3:3e2d:45916][client2a01:7e01::f03c:91ff:fed3:3e2d]ModSecurity:Accessdeniedwithcode403\(phase2\).Matchof"rx\^0\$"against"REQUEST_HEADERS:Content-Length"required.[file"/usr/local/apache.ea3/conf/modsec_rules/10_asl_rules.conf"][line"96"][id"392301"][rev"8"][msg"Atomicorp.comWAFRules:RequestContainingContent\,butMissi

193.56.28.146 did not issue MAIL/EXPN/VRFY/ETRN

HK_MAINT-CRL-HK_<177>1591129590 [1:2403350:57716] ET CINS Active Threat Intelligence Poor Reputation IP TCP group 26 [Classification: Misc Attack] [Priority: 2]:  {TCP} 43.230.144.66:46721

(From loremipsum@gmail.com) Sed ut perspiciatis, unde omnis iste natu error sit voluptatem accusantium doloremque laudantium, totam rem aperiam eaque ipsa, quae ab illo inventore veritatis et quasi architecto beatae vitae dicta sunt, explicabo. Nemo enim ipsam voluptatem, quia voluptas sit, aspernatur aut odit aut fugit, sed quia consequuntur magni dolores eos, qui ratione voluptatem sequi nesciunt, neque porro quisquam est, qui dolorem ipsum, quia dolor sit amet consectetur adipisci[ng] velit, sed quia non-numquam [do] eius modi tempora inci[di]dunt, ut labore et dolore magnam aliquam quaerat voluptatem. Ut enim ad minima veniam, quis nostrum exercitationem ullam corporis suscipit laboriosam, nisi ut aliquid ex ea commodi consequatur? Quis autem vel eum iure reprehenderit, qui in ea voluptate velit esse, quam nihil molestiae consequatur, vel illum, qui dolorem eum fugiat, quo voluptas nulla pariatur?

Best wishes, Lorem Ipsum.
SEO of Lorem Ipsum inc.

Brute forcing RDP port 3389

SmallBizIT.US 5 packets to tcp(8545)

Jun  3 00:23:44 legacy sshd[14500]: Failed password for root from 222.186.173.201 port 26484 ssh2
Jun  3 00:23:47 legacy sshd[14500]: Failed password for root from 222.186.173.201 port 26484 ssh2
Jun  3 00:23:50 legacy sshd[14500]: Failed password for root from 222.186.173.201 port 26484 ssh2
Jun  3 00:23:54 legacy sshd[14500]: Failed password for root from 222.186.173.201 port 26484 ssh2
...

Jun  2 21:24:54 XXX sshd[52870]: Invalid user wyl from 180.71.58.82 port 52032

prod11
...