SSHD unauthorised connection attempt (b)

May 25 06:45:11 buvik sshd[7251]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.89.58.248
May 25 06:45:13 buvik sshd[7251]: Failed password for invalid user kfaysal from 118.89.58.248 port 60050 ssh2
May 25 06:47:00 buvik sshd[7416]: Invalid user ethernet from 118.89.58.248
...

 TCP (SYN) 202.79.48.22:38602 -> port 23, len 44

May 25 08:24:04 PorscheCustomer sshd[9526]: Failed password for root from 35.224.121.138 port 33600 ssh2
May 25 08:27:32 PorscheCustomer sshd[9651]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=35.224.121.138
May 25 08:27:34 PorscheCustomer sshd[9651]: Failed password for invalid user marrah from 35.224.121.138 port 39210 ssh2
...

2020-05-25T03:39:24.867741randservbullet-proofcloud-66.localdomain sshd[3702]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=124.ip-51-178-83.eu  user=root
2020-05-25T03:39:27.238753randservbullet-proofcloud-66.localdomain sshd[3702]: Failed password for root from 51.178.83.124 port 39056 ssh2
2020-05-25T03:53:33.102654randservbullet-proofcloud-66.localdomain sshd[3810]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=124.ip-51-178-83.eu  user=root
2020-05-25T03:53:35.693909randservbullet-proofcloud-66.localdomain sshd[3810]: Failed password for root from 51.178.83.124 port 58592 ssh2
...

May 25 00:39:53 ny01 sshd[18658]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.78.39.106
May 25 00:39:56 ny01 sshd[18658]: Failed password for invalid user horsfield from 103.78.39.106 port 60352 ssh2
May 25 00:43:58 ny01 sshd[19164]: Failed password for root from 103.78.39.106 port 35116 ssh2

May 25 08:20:31 ns381471 sshd[5475]: Failed password for root from 218.92.0.145 port 56065 ssh2
May 25 08:20:49 ns381471 sshd[5475]: error: maximum authentication attempts exceeded for root from 218.92.0.145 port 56065 ssh2 [preauth]

May 25 07:53:17 OPSO sshd\[18750\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.24.82.81  user=root
May 25 07:53:20 OPSO sshd\[18750\]: Failed password for root from 118.24.82.81 port 22911 ssh2
May 25 07:57:49 OPSO sshd\[19550\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.24.82.81  user=root
May 25 07:57:51 OPSO sshd\[19550\]: Failed password for root from 118.24.82.81 port 16894 ssh2
May 25 08:02:23 OPSO sshd\[20114\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.24.82.81  user=root

Port Scan detected!
...

May 25 05:48:30 roki-contabo sshd\[18438\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.1.203.180  user=root
May 25 05:48:32 roki-contabo sshd\[18438\]: Failed password for root from 190.1.203.180 port 38870 ssh2
May 25 05:51:27 roki-contabo sshd\[18465\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.1.203.180  user=root
May 25 05:51:29 roki-contabo sshd\[18465\]: Failed password for root from 190.1.203.180 port 37064 ssh2
May 25 05:53:14 roki-contabo sshd\[18498\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.1.203.180  user=root
...

[2020-05-25 01:57:40] NOTICE[1157][C-000091e2] chan_sip.c: Call from '' (212.129.60.155:61947) to extension '^011972592277524' rejected because extension not found in context 'public'.
[2020-05-25 01:57:40] SECURITY[1173] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-05-25T01:57:40.341-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="^011972592277524",SessionID="0x7f5f10678288",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/212.129.60.155/61947",ACLName="no_extension_match"
[2020-05-25 02:00:51] NOTICE[1157][C-000091e6] chan_sip.c: Call from '' (212.129.60.155:54582) to extension '0123456011972592277524' rejected because extension not found in context 'public'.
[2020-05-25 02:00:51] SECURITY[1173] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-05-25T02:00:51.905-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="0123456011972592277524",SessionID="0x7f5f10787a08",LocalAddress="IPV4/UDP/192.168.244.6/5060",Remot
...

$f2bV_matches

May 25 05:24:31 ip-172-31-61-156 sshd[25613]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.211.13.167  user=root
May 25 05:24:34 ip-172-31-61-156 sshd[25613]: Failed password for root from 80.211.13.167 port 41108 ssh2
May 25 05:24:31 ip-172-31-61-156 sshd[25613]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.211.13.167  user=root
May 25 05:24:34 ip-172-31-61-156 sshd[25613]: Failed password for root from 80.211.13.167 port 41108 ssh2
May 25 05:28:41 ip-172-31-61-156 sshd[25772]: Invalid user anders from 80.211.13.167
...

May 25 16:12:37 localhost sshd[214665]: Disconnected from 222.186.42.155 port 63358 [preauth]
...

[25/May/2020:05:53:18 +0200] Web-Request: "GET /.well-known/assetlinks.json", User-Agent: "Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)"