2020-05-20T07:39:33.633206abusebot-8.cloudsearch.cf sshd[25710]: Invalid user vxe from 79.137.72.171 port 45774
2020-05-20T07:39:33.642959abusebot-8.cloudsearch.cf sshd[25710]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=171.ip-79-137-72.eu
2020-05-20T07:39:33.633206abusebot-8.cloudsearch.cf sshd[25710]: Invalid user vxe from 79.137.72.171 port 45774
2020-05-20T07:39:35.868924abusebot-8.cloudsearch.cf sshd[25710]: Failed password for invalid user vxe from 79.137.72.171 port 45774 ssh2
2020-05-20T07:49:14.246659abusebot-8.cloudsearch.cf sshd[26325]: Invalid user gre from 79.137.72.171 port 41370
2020-05-20T07:49:14.254041abusebot-8.cloudsearch.cf sshd[26325]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=171.ip-79-137-72.eu
2020-05-20T07:49:14.246659abusebot-8.cloudsearch.cf sshd[26325]: Invalid user gre from 79.137.72.171 port 41370
2020-05-20T07:49:16.415184abusebot-8.cloudsearch.cf sshd[26325]: Fail
...

RU_OOO Network of data-centers Selectel_<177>1589962255 [1:2402000:5550] ET DROP Dshield Block Listed Source group 1 [Classification: Misc Attack] [Priority: 2]:  {TCP} 195.54.160.211:55625

May 20 10:17:13 eventyay sshd[2140]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.62.75.60
May 20 10:17:16 eventyay sshd[2140]: Failed password for invalid user jga from 178.62.75.60 port 49680 ssh2
May 20 10:20:25 eventyay sshd[2284]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.62.75.60
...

May 20 10:45:17 abendstille sshd\[32559\]: Invalid user hlf from 61.72.255.26
May 20 10:45:17 abendstille sshd\[32559\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.72.255.26
May 20 10:45:19 abendstille sshd\[32559\]: Failed password for invalid user hlf from 61.72.255.26 port 41188 ssh2
May 20 10:49:06 abendstille sshd\[3988\]: Invalid user liming from 61.72.255.26
May 20 10:49:06 abendstille sshd\[3988\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.72.255.26
...

May 20 09:46:31 srv01 sshd[24199]: Invalid user uqr from 67.205.135.65 port 36246
May 20 09:46:31 srv01 sshd[24199]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=67.205.135.65
May 20 09:46:31 srv01 sshd[24199]: Invalid user uqr from 67.205.135.65 port 36246
May 20 09:46:34 srv01 sshd[24199]: Failed password for invalid user uqr from 67.205.135.65 port 36246 ssh2
May 20 09:49:35 srv01 sshd[24314]: Invalid user whw from 67.205.135.65 port 35728
...

2020-05-20T10:17:58.6207581240 sshd\[19666\]: Invalid user gyw from 106.13.41.93 port 54254
2020-05-20T10:17:58.6247971240 sshd\[19666\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.41.93
2020-05-20T10:18:00.7926501240 sshd\[19666\]: Failed password for invalid user gyw from 106.13.41.93 port 54254 ssh2
...

247. On May 18 2020 experienced a Brute Force SSH login attempt -> 2 unique times by 162.243.76.161.

(mod_security) mod_security (id:210730) triggered by 46.229.168.145 (US/United States/crawl17.bl.semrush.com): 5 in the last 3600 secs

May 20 09:49:15 vpn01 sshd[13703]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=1.10.238.208
May 20 09:49:17 vpn01 sshd[13703]: Failed password for invalid user Administrator from 1.10.238.208 port 58697 ssh2
...

May 20 07:49:31 sshgateway sshd\[30645\]: Invalid user tit0nich from 125.163.111.70
May 20 07:49:31 sshgateway sshd\[30645\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=125.163.111.70
May 20 07:49:33 sshgateway sshd\[30645\]: Failed password for invalid user tit0nich from 125.163.111.70 port 50056 ssh2

2020-05-20T08:49:33.280708hq.tia3.com postfix/smtpd[537697]: NOQUEUE: reject: RCPT from hwsrv-684282.hostwindsdns.com[192.236.147.104]: 550 5.1.1 : Recipient address rejected: User unknown in virtual mailbox table; from= to= proto=ESMTP helo=
...

Repeated attempts against wp-login

Web Server Attack

May 20 10:06:35 lnxded63 sshd[6203]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.189.11.49
May 20 10:06:37 lnxded63 sshd[6203]: Failed password for invalid user mex from 187.189.11.49 port 34612 ssh2
May 20 10:10:38 lnxded63 sshd[6633]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.189.11.49

[2020-05-20 04:01:49] NOTICE[1157][C-000071d5] chan_sip.c: Call from '' (62.173.147.229:49369) to extension '100501148585359043' rejected because extension not found in context 'public'.
[2020-05-20 04:01:49] SECURITY[1173] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-05-20T04:01:49.295-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="100501148585359043",SessionID="0x7f5f10385c48",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/62.173.147.229/49369",ACLName="no_extension_match"
[2020-05-20 04:05:07] NOTICE[1157][C-000071d9] chan_sip.c: Call from '' (62.173.147.229:62859) to extension '100601148585359043' rejected because extension not found in context 'public'.
[2020-05-20 04:05:07] SECURITY[1173] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-05-20T04:05:07.757-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="100601148585359043",SessionID="0x7f5f1051dd08",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAdd
...