1584536869 - 03/18/2020 14:07:49 Host: 91.103.248.25/91.103.248.25 Port: 445 TCP Blocked

Mar 18 18:03:57 ns382633 sshd\[28942\]: Invalid user robertparker from 145.255.31.52 port 46597
Mar 18 18:03:57 ns382633 sshd\[28942\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=145.255.31.52
Mar 18 18:03:59 ns382633 sshd\[28942\]: Failed password for invalid user robertparker from 145.255.31.52 port 46597 ssh2
Mar 18 18:24:50 ns382633 sshd\[3711\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=145.255.31.52  user=root
Mar 18 18:24:52 ns382633 sshd\[3711\]: Failed password for root from 145.255.31.52 port 38938 ssh2

[2020-03-18 15:03:48] NOTICE[1148] chan_sip.c: Registration from '' failed for '185.147.215.12:49164' - Wrong password
[2020-03-18 15:03:48] SECURITY[1163] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-03-18T15:03:48.430-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="5171",SessionID="0x7fd82c530768",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.147.215.12/49164",Challenge="7181a2a2",ReceivedChallenge="7181a2a2",ReceivedHash="32cbd82f15fd312fdcfb92d2114f7c8c"
[2020-03-18 15:04:07] NOTICE[1148] chan_sip.c: Registration from '' failed for '185.147.215.12:60329' - Wrong password
[2020-03-18 15:04:07] SECURITY[1163] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-03-18T15:04:07.880-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="3271",SessionID="0x7fd82c40aa58",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.147.21
...

SSH login attempts with user root.

Mar 18 13:59:50 ovpn sshd\[13398\]: Invalid user james from 162.14.22.99
Mar 18 13:59:50 ovpn sshd\[13398\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=162.14.22.99
Mar 18 13:59:51 ovpn sshd\[13398\]: Failed password for invalid user james from 162.14.22.99 port 47150 ssh2
Mar 18 14:07:22 ovpn sshd\[15307\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=162.14.22.99  user=root
Mar 18 14:07:24 ovpn sshd\[15307\]: Failed password for root from 162.14.22.99 port 9217 ssh2

1584536859 - 03/18/2020 14:07:39 Host: 103.205.69.55/103.205.69.55 Port: 445 TCP Blocked

192.99.147.77 - - [18/Mar/2020:15:19:32 +0100] "POST /wp-login.php HTTP/1.1" 200 7362 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
192.99.147.77 - - [18/Mar/2020:15:19:33 +0100] "POST /xmlrpc.php HTTP/1.1" 200 427 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
192.99.147.77 - - [18/Mar/2020:17:15:17 +0100] "GET /wp-login.php HTTP/1.1" 200 6582 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"

Telnet/23 MH Probe, Scan, BF, Hack -

firewall-block, port(s): 445/tcp

Automatic report - Port Scan Attack

$f2bV_matches

Mar 18 13:48:32 plusreed sshd[19008]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=211.254.214.150  user=root
Mar 18 13:48:35 plusreed sshd[19008]: Failed password for root from 211.254.214.150 port 47964 ssh2
...

2020-03-18T18:06:40.749835  sshd[29256]: Invalid user fctr from 139.59.13.53 port 42444
2020-03-18T18:06:40.763930  sshd[29256]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.59.13.53
2020-03-18T18:06:40.749835  sshd[29256]: Invalid user fctr from 139.59.13.53 port 42444
2020-03-18T18:06:42.250728  sshd[29256]: Failed password for invalid user fctr from 139.59.13.53 port 42444 ssh2
...

Brute force attack against VPN service

Mar 18 19:23:16 work-partkepr sshd\[10645\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.128.57.147  user=root
Mar 18 19:23:18 work-partkepr sshd\[10645\]: Failed password for root from 178.128.57.147 port 51892 ssh2
...