Mar 10 04:32:26 web01 postfix/smtpd[4013]: connect from unknown[63.81.87.142]
Mar 10 04:32:26 web01 policyd-spf[4019]: None; identhostnamey=helo; client-ip=63.81.87.142; helo=mature.svcoding.com; envelope-from=x@x
Mar 10 04:32:26 web01 policyd-spf[4019]: Pass; identhostnamey=mailfrom; client-ip=63.81.87.142; helo=mature.svcoding.com; envelope-from=x@x
Mar x@x
Mar 10 04:32:27 web01 postfix/smtpd[4013]: disconnect from unknown[63.81.87.142]
Mar 10 04:33:00 web01 postfix/smtpd[4013]: connect from unknown[63.81.87.142]
Mar 10 04:33:01 web01 policyd-spf[4019]: None; identhostnamey=helo; client-ip=63.81.87.142; helo=mature.svcoding.com; envelope-from=x@x
Mar 10 04:33:01 web01 policyd-spf[4019]: Pass; identhostnamey=mailfrom; client-ip=63.81.87.142; helo=mature.svcoding.com; envelope-from=x@x
Mar x@x
Mar 10 04:33:01 web01 postfix/smtpd[4013]: disconnect from unknown[63.81.87.142]
Mar 10 04:38:17 web01 postfix/smtpd[3383]: connect from unknown[63.81.87.142]
Mar 10 04:38:17 web0........
-------------------------------

Apr  4 15:20:30 mail.srvfarm.net postfix/smtpd[3301977]: NOQUEUE: reject: RCPT from unknown[63.81.87.144]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr  4 15:24:30 mail.srvfarm.net postfix/smtpd[3318077]: NOQUEUE: reject: RCPT from unknown[63.81.87.144]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr  4 15:25:55 mail.srvfarm.net postfix/smtpd[3314744]: NOQUEUE: reject: RCPT from unknown[63.81.87.144]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr  4 15:26:40 mail.srvfarm.net postfix/smtpd[3301977]: NOQUEUE: reject: RCPT from unknown[63.81.87.144]: 450 4.1.8 :

Apr  4 05:30:07 web01.agentur-b-2.de postfix/smtpd[920628]: NOQUEUE: reject: RCPT from unknown[63.81.87.178]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr  4 05:30:13 web01.agentur-b-2.de postfix/smtpd[920628]: NOQUEUE: reject: RCPT from unknown[63.81.87.178]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr  4 05:32:45 web01.agentur-b-2.de postfix/smtpd[920628]: NOQUEUE: reject: RCPT from unknown[63.81.87.178]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr  4 05:33:38 web01.agentur-b-2.de postfix/smtpd[920628]: NOQUEUE: reject: RCPT from unknown[63.81.87.178]: 450 4.7.1 

(RCPT) RCPT NOT ALLOWED FROM  63.81.87.167 (US/United States/-): 1 in the last 3600 secs

Apr  2 05:35:44 mail.srvfarm.net postfix/smtpd[1755935]: NOQUEUE: reject: RCPT from unknown[63.81.87.146]: 554 5.7.1 Service unavailable; Client host [63.81.87.146] blocked using zen.spamhaus.org; https://www.spamhaus.org/sbl/query/SBLCSS; from= to= proto=ESMTP helo=
Apr  2 05:35:44 mail.srvfarm.net postfix/smtpd[1753858]: NOQUEUE: reject: RCPT from unknown[63.81.87.146]: 554 5.7.1 Service unavailable; Client host [63.81.87.146] blocked using zen.spamhaus.org; https://www.spamhaus.org/sbl/query/SBLCSS; from= to= proto=ESMTP helo=
Apr  2 05:35:45 mail.srvfarm.net postfix/smtpd[1755903]: NOQUEUE: reject: RCPT from unknown[63.81.87.146]: 554 5.7.1 Service unavailable; Client host [63.81.87.146] blocked using zen.spamhaus.org; https://www.spamhaus.org/sbl/query/SBLCSS; from= to= proto=ESMTP helo=

Apr  2 06:54:55 web01.agentur-b-2.de postfix/smtpd[72992]: NOQUEUE: reject: RCPT from unknown[63.81.87.151]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr  2 06:54:55 web01.agentur-b-2.de postfix/smtpd[77755]: NOQUEUE: reject: RCPT from unknown[63.81.87.151]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr  2 06:54:55 web01.agentur-b-2.de postfix/smtpd[77756]: NOQUEUE: reject: RCPT from unknown[63.81.87.151]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr  2 06:54:55 web01.agentur-b-2.de postfix/smtpd[77758]: NOQUEUE: reject: RCPT from unknown[63.81.87.151]: 450 4.7.1 : Helo command rejected: Host not found; from=

Mar 31 23:29:39 mail.srvfarm.net postfix/smtpd[783722]: NOQUEUE: reject: RCPT from unknown[63.81.87.159]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 31 23:29:41 mail.srvfarm.net postfix/smtpd[783721]: NOQUEUE: reject: RCPT from unknown[63.81.87.159]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 31 23:30:28 mail.srvfarm.net postfix/smtpd[796986]: NOQUEUE: reject: RCPT from unknown[63.81.87.159]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 31 23:31:50 mail.srvfarm.net postfix/smtpd[778578]: NOQUEUE

Mar 30 05:24:03 tux postfix/smtpd[14066]: connect from unknown[63.81.87.157]
Mar x@x
Mar 30 05:24:04 tux postfix/smtpd[14066]: disconnect from unknown[63.81.87.157]


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=63.81.87.157

Mar 29 05:33:39 mail.srvfarm.net postfix/smtpd[755834]: NOQUEUE: reject: RCPT from unknown[63.81.87.146]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 29 05:35:33 mail.srvfarm.net postfix/smtpd[774356]: NOQUEUE: reject: RCPT from unknown[63.81.87.146]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 29 05:35:42 mail.srvfarm.net postfix/smtpd[755659]: NOQUEUE: reject: RCPT from unknown[63.81.87.146]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 29 05:37:35 mail.srvfarm.net postfix/smtpd[756001]: NOQUEU

Mar 22 05:36:09 mail.srvfarm.net postfix/smtpd[562348]: NOQUEUE: reject: RCPT from unknown[63.81.87.152]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 22 05:36:26 mail.srvfarm.net postfix/smtpd[562346]: NOQUEUE: reject: RCPT from unknown[63.81.87.152]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 22 05:37:58 mail.srvfarm.net postfix/smtpd[557306]: NOQUEUE: reject: RCPT from unknown[63.81.87.152]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 22 05:37:58 mail.srvfarm.net postfix/smtpd[561117]: NOQUEUE: reject: RCPT from unknown[63.81.87.152]: 450 4.1.8 : Sender address

Mar 20 05:34:59 mail.srvfarm.net postfix/smtpd[2604122]: NOQUEUE: reject: RCPT from unknown[63.81.87.179]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 20 05:34:59 mail.srvfarm.net postfix/smtpd[2603295]: NOQUEUE: reject: RCPT from unknown[63.81.87.179]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 20 05:35:05 mail.srvfarm.net postfix/smtpd[2603273]: NOQUEUE: reject: RCPT from unknown[63.81.87.179]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 20 05:35:07 mail.srvfarm.net postfix/smtpd[2588041]: NOQUEUE: reject: RCPT from unknown[63.81.87.179]: 450 4.1.8 

Mar 17 01:28:30 mail.srvfarm.net postfix/smtpd[575988]: NOQUEUE: reject: RCPT from unknown[63.81.87.170]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 17 01:28:33 mail.srvfarm.net postfix/smtpd[588708]: NOQUEUE: reject: RCPT from unknown[63.81.87.170]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 17 01:30:31 mail.srvfarm.net postfix/smtpd[588739]: NOQUEUE: reject: RCPT from unknown[63.81.87.170]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 17 01:30:32 mail.srvfarm.net postfix/smtpd[575986]: NOQUEUE: reject: RCPT from unknown[63.81.87.170]: 450 4.1.8 

Mar 16 16:25:31 mail.srvfarm.net postfix/smtpd[249206]: NOQUEUE: reject: RCPT from unknown[63.81.87.145]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 16 16:25:41 mail.srvfarm.net postfix/smtpd[249187]: NOQUEUE: reject: RCPT from unknown[63.81.87.145]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 16 16:26:04 mail.srvfarm.net postfix/smtpd[220455]: NOQUEUE: reject: RCPT from unknown[63.81.87.145]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 16 16:26:31 mail.srvfarm.net postfix/smtpd[249188]: NOQUEUE: reject: RCPT from unknown[63.81.87.145]: 450 4.1.8 

Mar 12 13:47:08 mail.srvfarm.net postfix/smtpd[1811060]: NOQUEUE: reject: RCPT from unknown[63.81.87.140]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 12 13:47:08 mail.srvfarm.net postfix/smtpd[1830689]: NOQUEUE: reject: RCPT from unknown[63.81.87.140]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 12 13:47:08 mail.srvfarm.net postfix/smtpd[1830650]: NOQUEUE: reject: RCPT from unknown[63.81.87.140]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 12 13:47:08 mail.srvfarm.net postfix/smtpd[1827922]: NOQUEUE: reject: RCPT from unknown[63.81.87.140]: 450 4.1.8 

Mar 12 04:41:19 mail.srvfarm.net postfix/smtpd[1642187]: NOQUEUE: reject: RCPT from unknown[63.81.87.174]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 12 04:41:24 mail.srvfarm.net postfix/smtpd[1636114]: NOQUEUE: reject: RCPT from unknown[63.81.87.174]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 12 04:41:48 mail.srvfarm.net postfix/smtpd[1642190]: NOQUEUE: reject: RCPT from unknown[63.81.87.174]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 12 04:44:06 mail.srvfarm.net postfix/smtpd[1642190]: NOQUEUE: reject: RCPT from unknown[63.81.87.174]: 450 4.1.8 : Sender address rejected: Domain not found;

Mar  9 04:40:47 mail.srvfarm.net postfix/smtpd[3846783]: NOQUEUE: reject: RCPT from unknown[63.81.87.185]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar  9 04:42:30 mail.srvfarm.net postfix/smtpd[3846778]: NOQUEUE: reject: RCPT from unknown[63.81.87.185]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar  9 04:48:48 mail.srvfarm.net postfix/smtpd[3846778]: NOQUEUE: reject: RCPT from unknown[63.81.87.185]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar  9 04:48:49 mail.srvfarm.net postfix/smtpd[3846781]: NOQUEUE: reject: RCPT from unknown[63.81.87.185]: 450 4.1.8 

78.162.44.239 - - \[21/Aug/2020:14:08:15 +0200\] "POST /wp-login.php HTTP/1.0" 200 5983 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
78.162.44.239 - - \[21/Aug/2020:14:08:16 +0200\] "POST /wp-login.php HTTP/1.0" 200 5981 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
78.162.44.239 - - \[21/Aug/2020:14:08:18 +0200\] "POST /wp-login.php HTTP/1.0" 200 5855 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"

php WP PHPmyadamin ABUSE blocked for 12h

Aug 21 07:09:51 eventyay sshd[21936]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.131.179.87
Aug 21 07:09:53 eventyay sshd[21936]: Failed password for invalid user sah from 188.131.179.87 port 62201 ssh2
Aug 21 07:14:20 eventyay sshd[22109]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.131.179.87
...

Aug 21 08:11:11 saturn sshd[922781]: Failed password for invalid user plc from 113.87.160.129 port 2451 ssh2
Aug 21 08:24:58 saturn sshd[923293]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=113.87.160.129  user=root
Aug 21 08:25:00 saturn sshd[923293]: Failed password for root from 113.87.160.129 port 2452 ssh2
...

Tried sshing with brute force.

k+ssh-bruteforce

Aug 21 05:49:19 saturn sshd[917389]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=151.225.69.127 
Aug 21 05:49:19 saturn sshd[917389]: Invalid user pi from 151.225.69.127 port 40470
Aug 21 05:49:21 saturn sshd[917389]: Failed password for invalid user pi from 151.225.69.127 port 40470 ssh2
...

Fail2Ban Ban Triggered
HTTP SQL Injection Attempt

Brute forcing email accounts

(sshd) Failed SSH login from 189.134.23.135 (MX/Mexico/dsl-189-134-23-135-dyn.prod-infinitum.com.mx): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Aug 21 11:47:32 elude sshd[24757]: Invalid user copie from 189.134.23.135 port 45498
Aug 21 11:47:33 elude sshd[24757]: Failed password for invalid user copie from 189.134.23.135 port 45498 ssh2
Aug 21 11:59:28 elude sshd[27742]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=189.134.23.135  user=root
Aug 21 11:59:30 elude sshd[27742]: Failed password for root from 189.134.23.135 port 45578 ssh2
Aug 21 12:01:47 elude sshd[28137]: Invalid user xr from 189.134.23.135 port 46780

Aug 21 00:10:53 php1 sshd\[6780\]: Invalid user test2 from 49.232.45.64
Aug 21 00:10:53 php1 sshd\[6780\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.232.45.64
Aug 21 00:10:55 php1 sshd\[6780\]: Failed password for invalid user test2 from 49.232.45.64 port 37720 ssh2
Aug 21 00:16:31 php1 sshd\[7196\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.232.45.64  user=root
Aug 21 00:16:33 php1 sshd\[7196\]: Failed password for root from 49.232.45.64 port 40542 ssh2

Aug 21 12:54:01 MainVPS sshd[2668]: Invalid user yckim from 41.249.250.209 port 47864
Aug 21 12:54:01 MainVPS sshd[2668]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=41.249.250.209
Aug 21 12:54:01 MainVPS sshd[2668]: Invalid user yckim from 41.249.250.209 port 47864
Aug 21 12:54:03 MainVPS sshd[2668]: Failed password for invalid user yckim from 41.249.250.209 port 47864 ssh2
Aug 21 12:57:47 MainVPS sshd[3815]: Invalid user public from 41.249.250.209 port 55142
...

Aug 21 06:24:54 OPSO sshd\[27915\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.37.44.95  user=root
Aug 21 06:24:57 OPSO sshd\[27915\]: Failed password for root from 54.37.44.95 port 36630 ssh2
Aug 21 06:32:06 OPSO sshd\[30000\]: Invalid user bitbucket from 54.37.44.95 port 44566
Aug 21 06:32:06 OPSO sshd\[30000\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.37.44.95
Aug 21 06:32:08 OPSO sshd\[30000\]: Failed password for invalid user bitbucket from 54.37.44.95 port 44566 ssh2

Lines containing failures of 188.165.85.218
Aug 19 18:13:48 rancher sshd[27760]: Invalid user zw from 188.165.85.218 port 55220
Aug 19 18:13:48 rancher sshd[27760]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.165.85.218
Aug 19 18:13:50 rancher sshd[27760]: Failed password for invalid user zw from 188.165.85.218 port 55220 ssh2
Aug 19 18:13:50 rancher sshd[27760]: Received disconnect from 188.165.85.218 port 55220:11: Bye Bye [preauth]
Aug 19 18:13:50 rancher sshd[27760]: Disconnected from invalid user zw 188.165.85.218 port 55220 [preauth]
Aug 19 18:28:03 rancher sshd[28099]: Invalid user suporte from 188.165.85.218 port 39394
Aug 19 18:28:03 rancher sshd[28099]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.165.85.218
Aug 19 18:28:05 rancher sshd[28099]: Failed password for invalid user suporte from 188.165.85.218 port 39394 ssh2
Aug 19 18:28:07 rancher sshd[28099]: Received di........
------------------------------

$f2bV_matches