Honeypot attack, port: 81, PTR: mail.hotelprivo.ro.

Unauthorized connection attempt detected from IP address 37.229.76.79 to port 5555 [J]

Unauthorized connection attempt from IP address 196.41.254.172 on Port 445(SMB)

2020-01-13T20:18:48.365852host3.slimhost.com.ua sshd[2224537]: Invalid user test1 from 154.209.69.81 port 47518
2020-01-13T20:18:48.370316host3.slimhost.com.ua sshd[2224537]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=154.209.69.81
2020-01-13T20:18:48.365852host3.slimhost.com.ua sshd[2224537]: Invalid user test1 from 154.209.69.81 port 47518
2020-01-13T20:18:49.911801host3.slimhost.com.ua sshd[2224537]: Failed password for invalid user test1 from 154.209.69.81 port 47518 ssh2
2020-01-13T20:41:00.655207host3.slimhost.com.ua sshd[2232501]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=154.209.69.81  user=root
2020-01-13T20:41:03.390907host3.slimhost.com.ua sshd[2232501]: Failed password for root from 154.209.69.81 port 55016 ssh2
2020-01-13T20:45:12.694978host3.slimhost.com.ua sshd[2234437]: Invalid user hadoop from 154.209.69.81 port 57994
2020-01-13T20:45:12.699886host3.slimhost.com.ua sshd[2234437]:
...

Jan 13 14:02:39 serwer sshd\[3574\]: Invalid user ts3bot from 106.12.22.23 port 34598
Jan 13 14:02:39 serwer sshd\[3574\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.22.23
Jan 13 14:02:41 serwer sshd\[3574\]: Failed password for invalid user ts3bot from 106.12.22.23 port 34598 ssh2
...

2020-01-13T11:30:34.5361511495-001 sshd[4882]: Invalid user ines from 77.70.71.205 port 56364
2020-01-13T11:30:34.5418821495-001 sshd[4882]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=77.70.71.205
2020-01-13T11:30:34.5361511495-001 sshd[4882]: Invalid user ines from 77.70.71.205 port 56364
2020-01-13T11:30:36.6866761495-001 sshd[4882]: Failed password for invalid user ines from 77.70.71.205 port 56364 ssh2
2020-01-13T12:30:51.6430021495-001 sshd[7577]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=77.70.71.205  user=root
2020-01-13T12:30:53.6716421495-001 sshd[7577]: Failed password for root from 77.70.71.205 port 56692 ssh2
2020-01-13T12:58:05.0072821495-001 sshd[8622]: Invalid user cookie from 77.70.71.205 port 40272
2020-01-13T12:58:05.0116021495-001 sshd[8622]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=77.70.71.205
2020-01-13T12:58:05.0072821495-001 s
...

SSH Brute-Force attacks

Unauthorized connection attempt from IP address 223.207.228.240 on Port 445(SMB)

POP3

Return-path: 
Envelope-to: it.vasilev@eurohospital.bg
Received: from 161.sub149.pika.net.id ([110.76.149.161])
	by vpsujd4d.superdnsserver.net with esmtp (Exim 4.92.3)
	(envelope-from )
	id 1iqsoY-0001Er-4x
	for it.vasilev@eurohospital.bg; Mon, 13 Jan 2020 08:03:02 +0200
Date: 13 Jan 2020 18:50:02 +0600

Honeypot attack, port: 445, PTR: 170.subnet110-138-195.speedy.telkom.net.id.

1578920588 - 01/13/2020 14:03:08 Host: 220.189.101.42/220.189.101.42 Port: 445 TCP Blocked

Unauthorized connection attempt detected from IP address 77.37.246.150 to port 88 [J]

Jan 13 15:13:30 dedicated sshd[25224]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=87.148.46.220  user=root
Jan 13 15:13:32 dedicated sshd[25224]: Failed password for root from 87.148.46.220 port 51354 ssh2

Unauthorized connection attempt detected from IP address 45.141.87.6 to port 6389 [T]