[munged]::443 166.62.123.55 - - [17/Oct/2019:20:16:14 +0200] "POST /[munged]: HTTP/1.1" 200 9118 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"

Oct 18 01:27:39 areeb-Workstation sshd[25964]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.52.169.18
Oct 18 01:27:41 areeb-Workstation sshd[25964]: Failed password for invalid user sudo from 106.52.169.18 port 56306 ssh2
...

2019-10-17T13:58:22Z - RDP login failed multiple times. (103.74.122.183)

Oct 17 09:39:37 friendsofhawaii sshd\[16335\]: Invalid user worker123 from 54.39.98.253
Oct 17 09:39:37 friendsofhawaii sshd\[16335\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=253.ip-54-39-98.net
Oct 17 09:39:39 friendsofhawaii sshd\[16335\]: Failed password for invalid user worker123 from 54.39.98.253 port 48810 ssh2
Oct 17 09:44:11 friendsofhawaii sshd\[16693\]: Invalid user qwe!@\#asd!@\#zxc from 54.39.98.253
Oct 17 09:44:11 friendsofhawaii sshd\[16693\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=253.ip-54-39-98.net

2019-10-17T19:53:33.978346abusebot-2.cloudsearch.cf sshd\[16722\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.156.115.58  user=root

Oct 17 21:37:46 icinga sshd[6538]: Failed password for root from 106.12.119.148 port 42402 ssh2
Oct 17 21:53:55 icinga sshd[17412]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.119.148 
Oct 17 21:53:56 icinga sshd[17412]: Failed password for invalid user nnn from 106.12.119.148 port 41082 ssh2
...

SSH Brute-Forcing (ownc)

Feb 23 07:03:32 odroid64 sshd\[18070\]: Invalid user team from 200.110.174.137
Feb 23 07:03:32 odroid64 sshd\[18070\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=200.110.174.137
Feb 23 07:03:34 odroid64 sshd\[18070\]: Failed password for invalid user team from 200.110.174.137 port 48876 ssh2
Mar 21 13:04:55 odroid64 sshd\[23205\]: Invalid user sharp from 200.110.174.137
Mar 21 13:04:55 odroid64 sshd\[23205\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=200.110.174.137
Mar 21 13:04:57 odroid64 sshd\[23205\]: Failed password for invalid user sharp from 200.110.174.137 port 49896 ssh2
Apr 15 13:58:38 odroid64 sshd\[8642\]: Invalid user finger from 200.110.174.137
Apr 15 13:58:38 odroid64 sshd\[8642\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=200.110.174.137
Apr 15 13:58:40 odroid64 sshd\[8642\]: Failed password for invalid user finger from 200.11
...

2019-10-17T15:00:16.595699shield sshd\[8004\]: Invalid user twins from 79.137.87.44 port 52339
2019-10-17T15:00:16.599801shield sshd\[8004\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=44.ip-79-137-87.eu
2019-10-17T15:00:18.355182shield sshd\[8004\]: Failed password for invalid user twins from 79.137.87.44 port 52339 ssh2
2019-10-17T15:04:45.836555shield sshd\[8591\]: Invalid user cme from 79.137.87.44 port 44549
2019-10-17T15:04:45.840812shield sshd\[8591\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=44.ip-79-137-87.eu

WordPress wp-login brute force :: 185.84.182.203 0.124 BYPASS [18/Oct/2019:06:53:40  1100] [censored_1] "POST /wp-login.php HTTP/1.1" 200 3972 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"

Dec  5 16:09:15 odroid64 sshd\[12927\]: Invalid user Tenho from 201.64.147.23
Dec  5 16:09:15 odroid64 sshd\[12927\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.64.147.23
Dec  5 16:09:16 odroid64 sshd\[12927\]: Failed password for invalid user Tenho from 201.64.147.23 port 35818 ssh2
...

2019-10-17 21:54:00 H=\(\[193.32.160.146\]\) \[193.32.160.150\] F=\ rejected RCPT \: Unrouteable address
2019-10-17 21:54:00 H=\(\[193.32.160.146\]\) \[193.32.160.150\] F=\ rejected RCPT \: Unrouteable address
2019-10-17 21:54:00 H=\(\[193.32.160.146\]\) \[193.32.160.150\] F=\ rejected RCPT \: Unrouteable address
2019-10-17 21:54:00 H=\(\[193.32.160.146\]\) \[193.32.160.150\] F=\ rejected RCPT \: Unrouteable address
2019-10-17 21:54:00 H=\(\[193.32.160.146\]\) \[193.32.160.150\] F=\ rejected RCPT \: Unrouteable address
2019-10-17 21:54:00 H=\(\[193.32.160.146\]\) \[193.32.160.150\] F=\ rejected RCPT \: Unrouteable address
2019-10-17 21:54:00 H=\(\[193.32.160.146\]\) \[193

Oct 17 22:11:59 host sshd[51325]: Invalid user fake from 104.244.79.146 port 53974
Oct 17 22:11:59 host sshd[51325]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.244.79.146
Oct 17 22:11:59 host sshd[51325]: Invalid user fake from 104.244.79.146 port 53974
Oct 17 22:12:02 host sshd[51325]: Failed password for invalid user fake from 104.244.79.146 port 53974 ssh2
Oct 17 22:12:02 host sshd[51390]: Invalid user admin from 104.244.79.146 port 57694
...

Oct 17 09:46:04 kapalua sshd\[19737\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.ip-176-31-191.eu  user=root
Oct 17 09:46:06 kapalua sshd\[19737\]: Failed password for root from 176.31.191.61 port 38592 ssh2
Oct 17 09:49:58 kapalua sshd\[20079\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.ip-176-31-191.eu  user=root
Oct 17 09:49:59 kapalua sshd\[20079\]: Failed password for root from 176.31.191.61 port 50796 ssh2
Oct 17 09:53:48 kapalua sshd\[20398\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.ip-176-31-191.eu  user=root

port scan and connect, tcp 1433 (ms-sql-s)