Dec 17 16:45:03 lnxweb61 sshd[25137]: Failed password for root from 112.85.42.182 port 18412 ssh2
Dec 17 16:45:07 lnxweb61 sshd[25137]: Failed password for root from 112.85.42.182 port 18412 ssh2
Dec 17 16:45:10 lnxweb61 sshd[25137]: Failed password for root from 112.85.42.182 port 18412 ssh2
Dec 17 16:45:13 lnxweb61 sshd[25137]: Failed password for root from 112.85.42.182 port 18412 ssh2

\[2019-12-17 10:49:28\] NOTICE\[2839\] chan_sip.c: Registration from '\' failed for '156.96.46.203:62374' - Wrong password
\[2019-12-17 10:49:28\] SECURITY\[2857\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-12-17T10:49:28.909-0500",Severity="Error",Service="SIP",EventVersion="2",AccountID="667",SessionID="0x7f0fb4121288",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/156.96.46.203/62374",Challenge="05ea2b3c",ReceivedChallenge="05ea2b3c",ReceivedHash="5ccf38c0430c4543431c2052e294d92b"
\[2019-12-17 10:53:07\] NOTICE\[2839\] chan_sip.c: Registration from '\' failed for '156.96.46.203:52257' - Wrong password
\[2019-12-17 10:53:07\] SECURITY\[2857\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-12-17T10:53:07.721-0500",Severity="Error",Service="SIP",EventVersion="2",AccountID="668",SessionID="0x7f0fb4a5a908",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/156.96.46.203

Dec 17 06:55:22 server sshd\[17437\]: Failed password for invalid user ssh from 197.156.72.154 port 52289 ssh2
Dec 17 18:52:40 server sshd\[28512\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=197.156.72.154  user=root
Dec 17 18:52:43 server sshd\[28512\]: Failed password for root from 197.156.72.154 port 43301 ssh2
Dec 17 19:02:04 server sshd\[31245\]: Invalid user lei from 197.156.72.154
Dec 17 19:02:04 server sshd\[31245\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=197.156.72.154 
...

$f2bV_matches

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Dec 17 15:19:58 game-panel sshd[4724]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.27.15.68
Dec 17 15:20:00 game-panel sshd[4724]: Failed password for invalid user kemish from 118.27.15.68 port 60966 ssh2
Dec 17 15:26:43 game-panel sshd[5006]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.27.15.68

Unauthorized connection attempt detected from IP address 212.237.25.99 to port 22

Automatic report - Banned IP Access

Dec 17 05:19:40 tdfoods sshd\[21470\]: Invalid user vcsa from 182.252.0.188
Dec 17 05:19:40 tdfoods sshd\[21470\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.252.0.188
Dec 17 05:19:42 tdfoods sshd\[21470\]: Failed password for invalid user vcsa from 182.252.0.188 port 42234 ssh2
Dec 17 05:26:20 tdfoods sshd\[22130\]: Invalid user luthin from 182.252.0.188
Dec 17 05:26:20 tdfoods sshd\[22130\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.252.0.188

Dec 17 16:27:07 mail sshd\[32184\]: Invalid user guest from 220.130.190.13
Dec 17 16:27:07 mail sshd\[32184\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=220.130.190.13
Dec 17 16:27:09 mail sshd\[32184\]: Failed password for invalid user guest from 220.130.190.13 port 54172 ssh2
...

Attempt to attack host OS, exploiting network vulnerabilities, on 17-12-2019 14:25:15.

Automatic report - Port Scan Attack

Dec 17 06:05:25 auw2 sshd\[8459\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.147  user=root
Dec 17 06:05:27 auw2 sshd\[8459\]: Failed password for root from 222.186.175.147 port 51106 ssh2
Dec 17 06:05:31 auw2 sshd\[8459\]: Failed password for root from 222.186.175.147 port 51106 ssh2
Dec 17 06:05:33 auw2 sshd\[8459\]: Failed password for root from 222.186.175.147 port 51106 ssh2
Dec 17 06:05:38 auw2 sshd\[8459\]: Failed password for root from 222.186.175.147 port 51106 ssh2

2019-12-17T15:33:24.640050shield sshd\[16004\]: Invalid user semanik from 190.85.15.251 port 42084
2019-12-17T15:33:24.644398shield sshd\[16004\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.85.15.251
2019-12-17T15:33:26.433133shield sshd\[16004\]: Failed password for invalid user semanik from 190.85.15.251 port 42084 ssh2
2019-12-17T15:39:35.210850shield sshd\[18155\]: Invalid user teamspeak from 190.85.15.251 port 56339
2019-12-17T15:39:35.215277shield sshd\[18155\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.85.15.251

Dec 17 15:52:32 web8 sshd\[22868\]: Invalid user elgsaas from 77.138.254.154
Dec 17 15:52:32 web8 sshd\[22868\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=77.138.254.154
Dec 17 15:52:34 web8 sshd\[22868\]: Failed password for invalid user elgsaas from 77.138.254.154 port 58316 ssh2
Dec 17 15:59:23 web8 sshd\[25998\]: Invalid user rex from 77.138.254.154
Dec 17 15:59:23 web8 sshd\[25998\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=77.138.254.154