2020-04-05T04:17:29.432110shield sshd\[29745\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.232.73.83  user=root
2020-04-05T04:17:31.396201shield sshd\[29745\]: Failed password for root from 45.232.73.83 port 43970 ssh2
2020-04-05T04:21:13.120589shield sshd\[30822\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.232.73.83  user=root
2020-04-05T04:21:15.169793shield sshd\[30822\]: Failed password for root from 45.232.73.83 port 41888 ssh2
2020-04-05T04:24:58.216903shield sshd\[31818\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.232.73.83  user=root

Invalid user bca from 221.142.56.160 port 33838

Honeypot attack, port: 5555, PTR: PTR record not found

Apr  5 08:11:14 legacy sshd[28441]: Failed password for root from 167.71.255.56 port 52500 ssh2
Apr  5 08:14:02 legacy sshd[28510]: Failed password for root from 167.71.255.56 port 45978 ssh2
...

Apr  5 05:43:55 h2646465 sshd[32572]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.141.10  user=root
Apr  5 05:43:57 h2646465 sshd[32572]: Failed password for root from 106.12.141.10 port 47962 ssh2
Apr  5 05:47:19 h2646465 sshd[708]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.141.10  user=root
Apr  5 05:47:20 h2646465 sshd[708]: Failed password for root from 106.12.141.10 port 60024 ssh2
Apr  5 05:49:53 h2646465 sshd[800]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.141.10  user=root
Apr  5 05:49:54 h2646465 sshd[800]: Failed password for root from 106.12.141.10 port 35486 ssh2
Apr  5 05:52:26 h2646465 sshd[1418]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.141.10  user=root
Apr  5 05:52:28 h2646465 sshd[1418]: Failed password for root from 106.12.141.10 port 39174 ssh2
Apr  5 05:54:50 h2646465 sshd[1593]: p

Apr  5 08:14:16 mail postfix/smtpd\[19834\]: warning: unknown\[46.38.145.6\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Apr  5 08:44:51 mail postfix/smtpd\[20101\]: warning: unknown\[46.38.145.6\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Apr  5 08:46:11 mail postfix/smtpd\[20098\]: warning: unknown\[46.38.145.6\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Apr  5 08:47:25 mail postfix/smtpd\[20098\]: warning: unknown\[46.38.145.6\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\

WordPress wp-login brute force :: 2400:6180:100:d0::80c:a001 0.076 BYPASS [05/Apr/2020:05:26:24  0000] [censored_2] "POST /wp-login.php HTTP/1.1" 200 2287 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"

1586058898 - 04/05/2020 05:54:58 Host: 36.77.93.46/36.77.93.46 Port: 445 TCP Blocked

Fail2Ban Ban Triggered

Apr  5 03:03:08 ws22vmsma01 sshd[108201]: Failed password for root from 111.230.210.78 port 33278 ssh2
...

Apr  5 06:27:37 mout sshd[20168]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.211.27.10  user=root
Apr  5 06:27:40 mout sshd[20168]: Failed password for root from 129.211.27.10 port 35737 ssh2

Apr  5 05:26:31 mail.srvfarm.net postfix/smtpd[3772972]: NOQUEUE: reject: RCPT from unknown[217.112.142.88]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr  5 05:27:25 mail.srvfarm.net postfix/smtpd[3772022]: NOQUEUE: reject: RCPT from unknown[217.112.142.88]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr  5 05:28:53 mail.srvfarm.net postfix/smtpd[3775055]: NOQUEUE: reject: RCPT from unknown[217.112.142.88]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr  5 05:31:26 mail.srvfarm.net postfix/smtpd[3760517]: NOQUEUE: reject: RCPT from unknown[217.112.142.88]: 450 4.1.8 

[2020-04-05 02:55:47] NOTICE[12114] chan_sip.c: Registration from '' failed for '185.147.215.14:52705' - Wrong password
[2020-04-05 02:55:47] SECURITY[12128] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-04-05T02:55:47.545-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="52830",SessionID="0x7f020c105a58",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.147.215.14/52705",Challenge="3abe9562",ReceivedChallenge="3abe9562",ReceivedHash="f9e6b41bd10bae9084b6f43572c5981f"
[2020-04-05 02:56:55] NOTICE[12114] chan_sip.c: Registration from '' failed for '185.147.215.14:61907' - Wrong password
[2020-04-05 02:56:55] SECURITY[12128] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-04-05T02:56:55.555-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="92392",SessionID="0x7f020c088288",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/18
...

Invalid user iao from 124.41.217.33 port 36808

Apr  4 21:30:38 mockhub sshd[17612]: Failed password for root from 49.236.203.163 port 36034 ssh2
...