Automatic report - Port Scan Attack

Oct 21 08:38:55 meumeu sshd[30572]: Failed password for root from 106.12.212.179 port 38416 ssh2
Oct 21 08:43:12 meumeu sshd[31427]: Failed password for root from 106.12.212.179 port 45240 ssh2
...

Oct 21 06:44:34 docs sshd\[60408\]: Invalid user qwqw1212 from 158.69.223.91Oct 21 06:44:36 docs sshd\[60408\]: Failed password for invalid user qwqw1212 from 158.69.223.91 port 40593 ssh2Oct 21 06:48:09 docs sshd\[60726\]: Invalid user 1234567 from 158.69.223.91Oct 21 06:48:12 docs sshd\[60726\]: Failed password for invalid user 1234567 from 158.69.223.91 port 59802 ssh2Oct 21 06:51:58 docs sshd\[60863\]: Invalid user superman13 from 158.69.223.91Oct 21 06:52:00 docs sshd\[60863\]: Failed password for invalid user superman13 from 158.69.223.91 port 50782 ssh2
...

Oct 21 08:20:30 lnxded64 sshd[20437]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.52.90.164

Port scan: Attack repeated for 24 hours

2019-10-21 04:37:42,368 fail2ban.actions        [1121]: NOTICE  [sshd] Ban 196.13.207.52
2019-10-21 05:42:56,499 fail2ban.actions        [1121]: NOTICE  [sshd] Ban 196.13.207.52
2019-10-21 06:49:01,493 fail2ban.actions        [1121]: NOTICE  [sshd] Ban 196.13.207.52
...

(sshd) Failed SSH login from 106.12.28.124 (CN/China/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Oct 21 05:23:33 server2 sshd[23767]: Invalid user gr from 106.12.28.124 port 55652
Oct 21 05:23:34 server2 sshd[23767]: Failed password for invalid user gr from 106.12.28.124 port 55652 ssh2
Oct 21 05:45:50 server2 sshd[24379]: Invalid user nc from 106.12.28.124 port 35318
Oct 21 05:45:52 server2 sshd[24379]: Failed password for invalid user nc from 106.12.28.124 port 35318 ssh2
Oct 21 05:51:16 server2 sshd[24509]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.28.124  user=root

2019-10-21T08:00:53.030940lon01.zurich-datacenter.net sshd\[9505\]: Invalid user admin from 190.145.25.166 port 63502
2019-10-21T08:00:53.039038lon01.zurich-datacenter.net sshd\[9505\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.145.25.166
2019-10-21T08:00:55.099578lon01.zurich-datacenter.net sshd\[9505\]: Failed password for invalid user admin from 190.145.25.166 port 63502 ssh2
2019-10-21T08:05:19.696068lon01.zurich-datacenter.net sshd\[9600\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.145.25.166  user=root
2019-10-21T08:05:20.943060lon01.zurich-datacenter.net sshd\[9600\]: Failed password for root from 190.145.25.166 port 23436 ssh2
...

2019-10-21T05:27:34.284113abusebot-4.cloudsearch.cf sshd\[20626\]: Invalid user novinvps\#2006 from 180.71.47.198 port 45600

Honeypot attack, port: 445, PTR: pc-239-72.gumed.edu.pl.

Oct 21 07:49:24 XXX sshd[5110]: Invalid user nkinyanjui from 132.145.201.163 port 24381

Honeypot attack, port: 445, PTR: PTR record not found

\[2019-10-21 03:12:20\] NOTICE\[2038\] chan_sip.c: Registration from '\' failed for '77.243.191.124:54921' - Wrong password
\[2019-10-21 03:12:20\] SECURITY\[2046\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-10-21T03:12:20.568-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="1142",SessionID="0x7f6130477218",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/77.243.191.124/54921",Challenge="62d9605f",ReceivedChallenge="62d9605f",ReceivedHash="9fcd5036b3542e76aca5ac9924b2bd96"
\[2019-10-21 03:12:52\] NOTICE\[2038\] chan_sip.c: Registration from '\' failed for '77.243.191.124:57088' - Wrong password
\[2019-10-21 03:12:52\] SECURITY\[2046\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-10-21T03:12:52.655-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="2020",SessionID="0x7f6130804e48",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/77.243

smtp brute force login

SSH Brute-Force reported by Fail2Ban