Sep 21 03:06:34 scw-tender-jepsen sshd[10637]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.212.17.201
Sep 21 03:06:36 scw-tender-jepsen sshd[10637]: Failed password for invalid user web-user from 201.212.17.201 port 40612 ssh2

DATE:2020-09-20 18:56:01, IP:94.232.57.245, PORT:telnet Telnet brute force auth on honeypot server (epe-honey1-hq)

 TCP (SYN) 195.58.38.183:52905 -> port 23, len 44

2020-09-21T03:50:26.733357linuxbox-skyline sshd[50010]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.230.210.176  user=root
2020-09-21T03:50:28.563998linuxbox-skyline sshd[50010]: Failed password for root from 111.230.210.176 port 59422 ssh2
...

Brute forcing RDP port 3389

Bruteforce detected by fail2ban

Sep 20 17:57:59 blackbee postfix/smtpd[4139]: NOQUEUE: reject: RCPT from bband-dyn98.95-103-33.t-com.sk[95.103.33.98]: 554 5.7.1 Service unavailable; Client host [95.103.33.98] blocked using cbl.abuseat.org; Blocked - see http://www.abuseat.org/lookup.cgi?ip=95.103.33.98; from= to= proto=ESMTP helo=
...

Sep 21 01:30:26 s2 sshd[32603]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=82.64.201.47 
Sep 21 01:30:28 s2 sshd[32603]: Failed password for invalid user git from 82.64.201.47 port 35704 ssh2
Sep 21 01:34:09 s2 sshd[407]: Failed password for root from 82.64.201.47 port 47316 ssh2

Registration form abuse

(sshd) Failed SSH login from 71.11.208.97 (US/United States/071-011-208-097.res.spectrum.com): 3 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Sep 20 12:58:08 internal2 sshd[3257]: Invalid user admin from 71.11.208.97 port 41818
Sep 20 12:58:08 internal2 sshd[3271]: Invalid user admin from 71.11.208.97 port 41830
Sep 20 12:58:09 internal2 sshd[3278]: Invalid user admin from 71.11.208.97 port 41841

$f2bV_matches

85.114.138.138 - - \[21/Sep/2020:11:44:29 +0200\] "POST /wp-login.php HTTP/1.0" 200 4128 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
85.114.138.138 - - \[21/Sep/2020:11:44:30 +0200\] "POST /wp-login.php HTTP/1.0" 200 3955 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
85.114.138.138 - - \[21/Sep/2020:11:44:30 +0200\] "POST /xmlrpc.php HTTP/1.0" 200 736 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"

[2020-09-21 00:57:45] NOTICE[1239][C-00005ebf] chan_sip.c: Call from '' (45.143.221.96:5071) to extension '011972594771385' rejected because extension not found in context 'public'.
[2020-09-21 00:57:45] SECURITY[1264] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-21T00:57:45.149-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="011972594771385",SessionID="0x7f4d484e59a8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.143.221.96/5071",ACLName="no_extension_match"
[2020-09-21 01:07:10] NOTICE[1239][C-00005ecd] chan_sip.c: Call from '' (45.143.221.96:5070) to extension '9011972594771385' rejected because extension not found in context 'public'.
[2020-09-21 01:07:10] SECURITY[1264] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-21T01:07:10.504-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="9011972594771385",SessionID="0x7f4d484e59a8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/4
...

Logfile match

Sep 21 10:21:42 game-panel sshd[28475]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.4.202.14
Sep 21 10:21:44 game-panel sshd[28475]: Failed password for invalid user openuser from 190.4.202.14 port 32804 ssh2
Sep 21 10:26:39 game-panel sshd[28714]: Failed password for root from 190.4.202.14 port 33824 ssh2