[2020-05-24 20:07:41] NOTICE[1157][C-00009061] chan_sip.c: Call from '' (212.129.60.155:62630) to extension '.+011972592277524' rejected because extension not found in context 'public'.
[2020-05-24 20:07:41] SECURITY[1173] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-05-24T20:07:41.761-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID=".+011972592277524",SessionID="0x7f5f10787a08",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/212.129.60.155/62630",ACLName="no_extension_match"
[2020-05-24 20:10:33] NOTICE[1157][C-00009064] chan_sip.c: Call from '' (212.129.60.155:53427) to extension '111111011972592277524' rejected because extension not found in context 'public'.
[2020-05-24 20:10:33] SECURITY[1173] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-05-24T20:10:33.185-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="111111011972592277524",SessionID="0x7f5f10787a08",LocalAddress="IPV4/UDP/192.168.244.6/5060",Remot
...

(mod_security) mod_security (id:20000005) triggered by 165.22.19.63 (DE/Germany/-): 5 in the last 300 secs

W 5701,/var/log/auth.log,-,-

20/5/24@16:28:36: FAIL: Alarm-Network address from=188.191.22.117
...

May 24 20:19:54 NPSTNNYC01T sshd[18382]: Failed password for root from 222.186.180.17 port 60416 ssh2
May 24 20:19:57 NPSTNNYC01T sshd[18382]: Failed password for root from 222.186.180.17 port 60416 ssh2
May 24 20:20:00 NPSTNNYC01T sshd[18382]: Failed password for root from 222.186.180.17 port 60416 ssh2
May 24 20:20:06 NPSTNNYC01T sshd[18382]: error: maximum authentication attempts exceeded for root from 222.186.180.17 port 60416 ssh2 [preauth]
...

24 May 2020 13:26:23 -0700  Subject: Re: UNITED NATIONS OVERDUE COMPENSATION DEPT..... YOUR PAYMENT HAS BEEN APPROVED!  Reply-To: 

SSH Invalid Login

$f2bV_matches

failed_logins

2020-05-24T23:08:04.067602abusebot-6.cloudsearch.cf sshd[3981]: Invalid user centos from 118.25.144.133 port 39558
2020-05-24T23:08:04.075577abusebot-6.cloudsearch.cf sshd[3981]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.25.144.133
2020-05-24T23:08:04.067602abusebot-6.cloudsearch.cf sshd[3981]: Invalid user centos from 118.25.144.133 port 39558
2020-05-24T23:08:05.813786abusebot-6.cloudsearch.cf sshd[3981]: Failed password for invalid user centos from 118.25.144.133 port 39558 ssh2
2020-05-24T23:12:08.585552abusebot-6.cloudsearch.cf sshd[4186]: Invalid user ts from 118.25.144.133 port 33584
2020-05-24T23:12:08.591775abusebot-6.cloudsearch.cf sshd[4186]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.25.144.133
2020-05-24T23:12:08.585552abusebot-6.cloudsearch.cf sshd[4186]: Invalid user ts from 118.25.144.133 port 33584
2020-05-24T23:12:11.162591abusebot-6.cloudsearch.cf sshd[4186]: Failed pas
...

Invalid user zabbix from 96.45.34.225 port 37286

Ssh brute force

May 25 00:29:19 pornomens sshd\[24597\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.89.85.41  user=root
May 25 00:29:21 pornomens sshd\[24597\]: Failed password for root from 103.89.85.41 port 32958 ssh2
May 25 00:35:20 pornomens sshd\[24679\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.89.85.41  user=root
...

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May 25 01:20:16 melroy-server sshd[28840]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=200.87.178.137 
May 25 01:20:18 melroy-server sshd[28840]: Failed password for invalid user zimbra from 200.87.178.137 port 59718 ssh2
...