Aug 27 16:22:03 meumeu sshd[26070]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.187.181.182 
Aug 27 16:22:05 meumeu sshd[26070]: Failed password for invalid user versato from 37.187.181.182 port 32910 ssh2
Aug 27 16:26:04 meumeu sshd[26456]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.187.181.182 
...

Aug 27 12:03:01 * sshd[29270]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.166.190.172
Aug 27 12:03:04 * sshd[29270]: Failed password for invalid user !QAZ2wsx from 188.166.190.172 port 37810 ssh2

Automated report - ssh fail2ban:
Aug 27 19:57:17 wrong password, user=root, port=13948, ssh2
Aug 27 19:57:20 wrong password, user=root, port=13948, ssh2
Aug 27 19:57:24 wrong password, user=root, port=13948, ssh2
Aug 27 19:57:27 wrong password, user=root, port=13948, ssh2

Aug 27 16:54:39 ip-172-31-62-245 sshd\[4981\]: Failed password for root from 216.170.119.175 port 58400 ssh2\
Aug 27 16:54:42 ip-172-31-62-245 sshd\[4983\]: Failed password for root from 216.170.119.175 port 37044 ssh2\
Aug 27 16:54:45 ip-172-31-62-245 sshd\[4985\]: Failed password for root from 216.170.119.175 port 40418 ssh2\
Aug 27 16:54:47 ip-172-31-62-245 sshd\[4987\]: Failed password for root from 216.170.119.175 port 44372 ssh2\
Aug 27 16:54:50 ip-172-31-62-245 sshd\[4989\]: Failed password for root from 216.170.119.175 port 47830 ssh2\

Aug 27 12:33:42 cp sshd[15093]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=209.97.161.104

Aug 27 11:29:01 TORMINT sshd\[27294\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.248.187.179  user=root
Aug 27 11:29:04 TORMINT sshd\[27294\]: Failed password for root from 104.248.187.179 port 39576 ssh2
Aug 27 11:33:28 TORMINT sshd\[27393\]: Invalid user admin from 104.248.187.179
Aug 27 11:33:28 TORMINT sshd\[27393\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.248.187.179
...

Aug 27 11:01:31 rpi sshd[22460]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=221.132.17.74 
Aug 27 11:01:33 rpi sshd[22460]: Failed password for invalid user maxreg from 221.132.17.74 port 48338 ssh2

Invalid user sit from 77.250.254.91 port 60392
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=77.250.254.91
Failed password for invalid user sit from 77.250.254.91 port 60392 ssh2
Invalid user factorio from 77.250.254.91 port 50044
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=77.250.254.91

Invalid user nagiosuser from 157.230.251.115 port 34954

\[2019-08-27 08:21:33\] NOTICE\[1829\] chan_sip.c: Registration from '"1009" \' failed for '77.247.110.68:5750' - Wrong password
\[2019-08-27 08:21:33\] SECURITY\[1837\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-08-27T08:21:33.032-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="1009",SessionID="0x7f7b30be0af8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/77.247.110.68/5750",Challenge="528c8204",ReceivedChallenge="528c8204",ReceivedHash="6b72b1d8d7abcf9a7c0ab9bcb5c3e970"
\[2019-08-27 08:21:33\] NOTICE\[1829\] chan_sip.c: Registration from '"1009" \' failed for '77.247.110.68:5750' - Wrong password
\[2019-08-27 08:21:33\] SECURITY\[1837\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-08-27T08:21:33.143-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="1009",SessionID="0x7f7b30db7498",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UD

WordPress login Brute force / Web App Attack on client site.

Unauthorized connection attempt from IP address 157.34.81.210 on Port 445(SMB)

2019-08-2711:01:081i2XLg-0006I5-L2\<=customercare@bfclcoin.comH=mail-ua1-f41.google.com[209.85.222.41]:38405P=esmtpsaX=TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128CV=noA=dovecot_plain:customercare@bfclcoin.comS=9363id=CA njbazZ_-5yKCRphOGkU-AOdkP_xryusSpRGT yEe=GCOaJuA@mail.gmail.comT="Re:AggiornamentoTokenBFCLsuBitmeex"forfrancescoruffa53@gmail.com2019-08-2710:56:391i2XHK-0006C0-U8\<=customercare@bfclcoin.comH=mail-vk1-f176.google.com[209.85.221.176]:43366P=esmtpsaX=TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128CV=noA=dovecot_plain:customercare@bfclcoin.comS=7492id=CA njbazhYV4ndnjyp9ZMRpP6SeyKiuUSTy9ozmNWp4cfMKe6Uw@mail.gmail.comT="Re:BFCLnotchargedonmydashboard"formaxmaretti@gmail.com2019-08-2711:01:041i2XLc-0006Hr-E0\<=customercare@bfclcoin.comH=mail-vs1-f43.google.com[209.85.217.43]:39447P=esmtpsaX=TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128CV=noA=dovecot_plain:customercare@bfclcoin.comS=7029id=CA njbaxz33PH6NSo 4-adR0-9q9La2 GS5oJGJ1OPJnbd3to3Q@mail.gmail.comT="Re:AllineamentoBfclnonancoraavvenuto."forlivio7669@g

Unauthorized connection attempt from IP address 213.178.54.226 on Port 445(SMB)

Aug 27 14:52:29 eventyay sshd[30203]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.70.217.198
Aug 27 14:52:31 eventyay sshd[30203]: Failed password for invalid user mellow from 45.70.217.198 port 56657 ssh2
Aug 27 14:58:04 eventyay sshd[30294]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.70.217.198
...