2020-06-10T23:27:51.1830671495-001 sshd[26358]: Failed password for invalid user oracle from 45.120.69.97 port 51380 ssh2
2020-06-10T23:31:25.5686851495-001 sshd[26536]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.120.69.97  user=root
2020-06-10T23:31:27.8370361495-001 sshd[26536]: Failed password for root from 45.120.69.97 port 51880 ssh2
2020-06-10T23:35:19.2691691495-001 sshd[26734]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.120.69.97  user=root
2020-06-10T23:35:21.6627711495-001 sshd[26734]: Failed password for root from 45.120.69.97 port 52378 ssh2
2020-06-10T23:39:04.8529631495-001 sshd[26849]: Invalid user tech from 45.120.69.97 port 52892
...

$f2bV_matches

Jun 11 05:58:05 jane sshd[13688]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.86.214 
Jun 11 05:58:07 jane sshd[13688]: Failed password for invalid user admin from 139.155.86.214 port 35170 ssh2
...

Jun 11 01:11:54 NPSTNNYC01T sshd[25299]: Failed password for root from 222.186.173.215 port 59418 ssh2
Jun 11 01:12:06 NPSTNNYC01T sshd[25299]: Failed password for root from 222.186.173.215 port 59418 ssh2
Jun 11 01:12:10 NPSTNNYC01T sshd[25299]: Failed password for root from 222.186.173.215 port 59418 ssh2
Jun 11 01:12:10 NPSTNNYC01T sshd[25299]: error: maximum authentication attempts exceeded for root from 222.186.173.215 port 59418 ssh2 [preauth]
...

2020-06-11T04:08:43.418075shield sshd\[19244\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=148.70.125.207  user=root
2020-06-11T04:08:45.255073shield sshd\[19244\]: Failed password for root from 148.70.125.207 port 39608 ssh2
2020-06-11T04:14:07.231455shield sshd\[21019\]: Invalid user admin from 148.70.125.207 port 41726
2020-06-11T04:14:07.234972shield sshd\[21019\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=148.70.125.207
2020-06-11T04:14:09.889112shield sshd\[21019\]: Failed password for invalid user admin from 148.70.125.207 port 41726 ssh2

Jun 10 19:17:49 hanapaa sshd\[20638\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.180.8  user=root
Jun 10 19:17:51 hanapaa sshd\[20638\]: Failed password for root from 222.186.180.8 port 18372 ssh2
Jun 10 19:18:05 hanapaa sshd\[20638\]: Failed password for root from 222.186.180.8 port 18372 ssh2
Jun 10 19:18:09 hanapaa sshd\[20670\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.180.8  user=root
Jun 10 19:18:11 hanapaa sshd\[20670\]: Failed password for root from 222.186.180.8 port 24552 ssh2

2020-06-11T05:57:59.784857 X postfix/smtpd[714538]: NOQUEUE: reject: RCPT from unknown[183.11.69.93]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=SMTP helo=
2020-06-11T05:58:00.098961 X postfix/smtpd[714538]: lost connection after RCPT from unknown[183.11.69.93]
2020-06-11T05:58:08.738049 X postfix/smtpd[714538]: NOQUEUE: reject: RCPT from unknown[183.11.69.93]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=SMTP helo=

2020-06-11 07:27:44 auth_plain authenticator failed for (User) [193.56.28.155]: 535 Incorrect authentication data (set_id=contact@com.ua,)
2020-06-11 07:28:03 auth_plain authenticator failed for (User) [193.56.28.155]: 535 Incorrect authentication data (set_id=contact@com.ua,)
...

CMS (WordPress or Joomla) login attempt.

Jun 11 04:39:20 game-panel sshd[2844]: Failed password for root from 104.248.172.155 port 37832 ssh2
Jun 11 04:42:56 game-panel sshd[3048]: Failed password for root from 104.248.172.155 port 46738 ssh2

[2020-06-11 01:11:47] NOTICE[1288] chan_sip.c: Registration from '' failed for '8.129.168.101:61633' - Wrong password
[2020-06-11 01:11:47] SECURITY[1303] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-06-11T01:11:47.646-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="abc4440",SessionID="0x7f4d745af848",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/8.129.168.101/61633",Challenge="2fc23645",ReceivedChallenge="2fc23645",ReceivedHash="7a7422fa248906a8e5e043b9ac735987"
[2020-06-11 01:13:39] NOTICE[1288] chan_sip.c: Registration from '' failed for '8.129.168.101:62783' - Wrong password
[2020-06-11 01:13:39] SECURITY[1303] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-06-11T01:13:39.619-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="abc5550",SessionID="0x7f4d7430a3e8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/8
...

2020-06-10T23:58:10.836723mail.thespaminator.com sshd[10050]: Invalid user cici from 150.95.31.150 port 39970
2020-06-10T23:58:14.090824mail.thespaminator.com sshd[10050]: Failed password for invalid user cici from 150.95.31.150 port 39970 ssh2
...

DATE:2020-06-11 05:57:33, IP:121.183.37.47, PORT:telnet Telnet brute force auth on honeypot server (epe-honey1-hq)

Jun 10 21:28:02 dignus sshd[14911]: Failed password for invalid user 123456 from 83.171.104.57 port 35049 ssh2
Jun 10 21:31:17 dignus sshd[15170]: Invalid user shine from 83.171.104.57 port 34902
Jun 10 21:31:17 dignus sshd[15170]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=83.171.104.57
Jun 10 21:31:18 dignus sshd[15170]: Failed password for invalid user shine from 83.171.104.57 port 34902 ssh2
Jun 10 21:34:37 dignus sshd[15482]: Invalid user F@1234 from 83.171.104.57 port 34751
...

SIP Server BruteForce Attack