[2020-04-24 11:05:04] NOTICE[1170] chan_sip.c: Registration from '' failed for '178.33.237.66:63782' - Wrong password
[2020-04-24 11:05:04] SECURITY[1184] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-04-24T11:05:04.399-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="test",SessionID="0x7f6c0832ab08",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/178.33.237.66/49452",Challenge="31194c87",ReceivedChallenge="31194c87",ReceivedHash="d65f0a32cd4efb5598071dcfbb3f6d0d"
[2020-04-24 11:07:42] NOTICE[1170] chan_sip.c: Registration from '' failed for '178.33.237.66:62942' - Wrong password
[2020-04-24 11:07:42] SECURITY[1184] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-04-24T11:07:42.052-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="6150",SessionID="0x7f6c0832ab08",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/178.33.237.66
...

Apr 24 11:18:03 firewall sshd[26937]: Invalid user shop\r from 210.74.15.234
Apr 24 11:18:05 firewall sshd[26937]: Failed password for invalid user shop\r from 210.74.15.234 port 55572 ssh2
Apr 24 11:23:27 firewall sshd[27121]: Invalid user stacy123\r from 210.74.15.234
...

COVID-19 Related Spam; sendgrid ignores abuse reports.

Received: from o1.e2.carfinancetoday.net ([167.89.7.116])
    by mx0.ncuk.net with esmtps (TLS1.2:RSA_AES_256_CBC_SHA256:256)
    (Exim 4.80)

$f2bV_matches

50.63.161.42 has been banned for [WebApp Attack]
...

port scan and connect, tcp 23 (telnet)

SSH brute force attempt

Apr 23 06:13:49 emma postfix/smtpd[32477]: connect from 195-154-243-192.rev.poneytelecom.eu[195.154.243.192]
Apr 23 06:13:49 emma postfix/smtpd[32477]: setting up TLS connection from 195-154-243-192.rev.poneytelecom.eu[195.154.243.192]
Apr 23 06:13:50 emma postfix/smtpd[32477]: TLS connection established from 195-154-243-192.rev.poneytelecom.eu[195.154.243.192]: TLSv1 whostnameh cipher ADH-AES256-SHA (256/256 bhostnames)
Apr x@x
Apr 23 06:14:05 emma postfix/smtpd[32477]: disconnect from 195-154-243-192.rev.poneytelecom.eu[195.154.243.192]
Apr 23 06:20:05 emma postfix/smtpd[754]: connect from 195-154-243-192.rev.poneytelecom.eu[195.154.243.192]
Apr 23 06:20:05 emma postfix/smtpd[754]: setting up TLS connection from 195-154-243-192.rev.poneytelecom.eu[195.154.243.192]
Apr 23 06:20:05 emma postfix/smtpd[754]: TLS connection established from 195-154-243-192.rev.poneytelecom.eu[195.154.243.192]: TLSv1 whostnameh cipher ADH-AES256-SHA (256/256 bhostnames)
Apr x@x
Apr 23 06:20........
-------------------------------

"XSS Attack Detected via libinjection - Matched Data: XSS data found within ARGS_NAMES:

(From eric@talkwithwebvisitor.com) Cool website!

My name’s Eric, and I just found your site - performancechiroofga.com - while surfing the net. You showed up at the top of the search results, so I checked you out. Looks like what you’re doing is pretty cool.
 
But if you don’t mind me asking – after someone like me stumbles across performancechiroofga.com, what usually happens?

Is your site generating leads for your business? 
 
I’m guessing some, but I also bet you’d like more… studies show that 7 out 10 who land on a site wind up leaving without a trace.

Not good.

Here’s a thought – what if there was an easy way for every visitor to “raise their hand” to get a phone call from you INSTANTLY… the second they hit your site and said, “call me now.”

You can –
  
Talk With Web Visitor is a software widget that’s works on your site, ready to capture any visitor’s Name, Email address and Phone Number.  It lets you know IMMEDIATELY – so that you can talk to that lead while they’re literally look

Apr 24 14:22:49 vlre-nyc-1 sshd\[9817\]: Invalid user oracle from 182.138.120.59
Apr 24 14:22:49 vlre-nyc-1 sshd\[9817\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.138.120.59
Apr 24 14:22:52 vlre-nyc-1 sshd\[9817\]: Failed password for invalid user oracle from 182.138.120.59 port 53108 ssh2
Apr 24 14:26:40 vlre-nyc-1 sshd\[9909\]: Invalid user fwong from 182.138.120.59
Apr 24 14:26:40 vlre-nyc-1 sshd\[9909\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.138.120.59
...

Lines containing failures of 77.55.219.174
Apr 23 13:38:24 shared09 sshd[10761]: Invalid user ghostname from 77.55.219.174 port 40526
Apr 23 13:38:24 shared09 sshd[10761]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=77.55.219.174
Apr 23 13:38:26 shared09 sshd[10761]: Failed password for invalid user ghostname from 77.55.219.174 port 40526 ssh2
Apr 23 13:38:26 shared09 sshd[10761]: Received disconnect from 77.55.219.174 port 40526:11: Bye Bye [preauth]
Apr 23 13:38:26 shared09 sshd[10761]: Disconnected from invalid user ghostname 77.55.219.174 port 40526 [preauth]


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=77.55.219.174

Unauthorized connection attempt detected from IP address 202.107.188.12 to port 8088 [T]

Apr 24 03:25:30 web1 sshd\[9987\]: Invalid user lz from 122.51.82.22
Apr 24 03:25:30 web1 sshd\[9987\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.82.22
Apr 24 03:25:33 web1 sshd\[9987\]: Failed password for invalid user lz from 122.51.82.22 port 54398 ssh2
Apr 24 03:30:49 web1 sshd\[10477\]: Invalid user matt from 122.51.82.22
Apr 24 03:30:49 web1 sshd\[10477\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.82.22

Bruteforce detected by fail2ban