Postfix DNSBL listed. Trying to send SPAM.

Jun  8 13:51:03 web01.agentur-b-2.de postfix/smtpd[1448944]: NOQUEUE: reject: RCPT from unknown[208.187.167.76]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Jun  8 14:00:36 web01.agentur-b-2.de postfix/smtpd[1456096]: NOQUEUE: reject: RCPT from unknown[208.187.167.76]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Jun  8 14:00:36 web01.agentur-b-2.de postfix/smtpd[1453964]: NOQUEUE: reject: RCPT from unknown[208.187.167.76]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Jun  8 14:00:36 web01.agentur-b-2.de postfix/smtpd[1460346]: NOQUEUE: reject: RCPT from unknown[208.187.167.

2020-05-02 1jUirD-0003j0-HR H=hypnotic.onvacationnow.com \(hypnotic.awaykart.com\) \[208.187.167.69\] rejected **REMOVED** : REJECTED - You seem to be a spammer!
2020-05-02 H=hypnotic.onvacationnow.com \(hypnotic.awaykart.com\) \[208.187.167.69\] F=\ rejected RCPT \<**REMOVED**@**REMOVED**.de\>: Mail not accepted. 208.187.167.69 is listed at a DNSBL.
2020-05-02 H=hypnotic.onvacationnow.com \(hypnotic.awaykart.com\) \[208.187.167.69\] F=\ rejected RCPT \: Mail not accepted. 208.187.167.69 is listed at a DNSBL.

Apr 25 05:25:59 mail.srvfarm.net postfix/smtpd[850679]: NOQUEUE: reject: RCPT from unknown[208.187.167.80]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 25 05:26:01 mail.srvfarm.net postfix/smtpd[847819]: NOQUEUE: reject: RCPT from unknown[208.187.167.80]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 25 05:29:57 mail.srvfarm.net postfix/smtpd[849934]: NOQUEUE: reject: RCPT from unknown[208.187.167.80]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 25 05:35:29 mail.srvfarm.net postfix/smtpd[852086]: NOQUEUE: reject: RCPT f

Apr 21 05:26:00 web01.agentur-b-2.de postfix/smtpd[1805329]: NOQUEUE: reject: RCPT from unknown[208.187.167.75]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 21 05:26:00 web01.agentur-b-2.de postfix/smtpd[1805328]: NOQUEUE: reject: RCPT from unknown[208.187.167.75]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 21 05:27:05 web01.agentur-b-2.de postfix/smtpd[1805329]: NOQUEUE: reject: RCPT from unknown[208.187.167.75]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 21 05:31:18 web01.agentur-b-2.de postfix/smtpd[1805329]: NOQUEUE: reject: RCPT from unknown[208.187.167.75]: 450 4.7

Apr 17 05:22:40 web01.agentur-b-2.de postfix/smtpd[879560]: NOQUEUE: reject: RCPT from unknown[208.187.167.75]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 17 05:23:23 web01.agentur-b-2.de postfix/smtpd[879561]: NOQUEUE: reject: RCPT from unknown[208.187.167.75]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 17 05:25:52 web01.agentur-b-2.de postfix/smtpd[879560]: NOQUEUE: reject: RCPT from unknown[208.187.167.75]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 17 05:27:59 web01.agentur-b-2.de postfix/smtpd[879561]: NOQUEUE: reject: RCPT from unknown[208.187.167.75]

Apr 13 10:27:49 mail.srvfarm.net postfix/smtpd[794361]: NOQUEUE: reject: RCPT from unknown[208.187.167.85]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 13 10:29:00 mail.srvfarm.net postfix/smtpd[794365]: NOQUEUE: reject: RCPT from unknown[208.187.167.85]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 13 10:36:06 mail.srvfarm.net postfix/smtpd[794365]: NOQUEUE: reject: RCPT from unknown[208.187.167.85]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 13 10:36:08 mail.srvfarm.net postfix/smtpd[797902]: NOQUEUE: reject: RCPT from unknown[208.187.167.85]: 450 4.1.8 

Apr  4 16:42:12 mail.srvfarm.net postfix/smtpd[3342044]: NOQUEUE: reject: RCPT from unknown[208.187.167.79]: 554 5.7.1 Service unavailable; Client host [208.187.167.79] blocked using bl.spamcop.net; Blocked - see https://www.spamcop.net/bl.shtml?208.187.167.79; from= to= proto=ESMTP helo=
Apr  4 16:42:12 mail.srvfarm.net postfix/smtpd[3337935]: NOQUEUE: reject: RCPT from unknown[208.187.167.79]: 554 5.7.1 Service unavailable; Client host [208.187.167.79] blocked using bl.spamcop.net; Blocked - see https://www.spamcop.net/bl.shtml?208.187.167.79; from= to= proto=ESMTP helo=
Apr  4 16:44:05 mail.srvfarm.net postfix/smtpd[3335114]: NOQUEUE: reject: RCPT from unknown[208.187.167.79]: 554 5.7.1 Service unavailable; Client host [208.187.167.79] blocked using bl.spamcop.net; Blocked - see https://www.spamcop.net/bl.shtml?208.187.167.79; from=

Apr  2 05:32:28 mail.srvfarm.net postfix/smtpd[1752159]: NOQUEUE: reject: RCPT from own.onvacationnow.com[208.187.167.81]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr  2 05:32:55 mail.srvfarm.net postfix/smtpd[1753889]: NOQUEUE: reject: RCPT from own.onvacationnow.com[208.187.167.81]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr  2 05:36:27 mail.srvfarm.net postfix/smtpd[1753858]: NOQUEUE: reject: RCPT from own.onvacationnow.com[208.187.167.81]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr  2 05:36:27 mail.srvfarm.net postfix/smtpd[1755246]: NOQUEUE: reject: RCPT from own.onvacationnow.

Mar 29 05:25:28 mail.srvfarm.net postfix/smtpd[770787]: NOQUEUE: reject: RCPT from own.onvacationnow.com[208.187.167.81]: 554 5.7.1 Service unavailable; Client host [208.187.167.81] blocked using zen.spamhaus.org; https://www.spamhaus.org/sbl/query/SBLCSS; from= to= proto=ESMTP helo=
Mar 29 05:25:29 mail.srvfarm.net postfix/smtpd[760944]: NOQUEUE: reject: RCPT from own.onvacationnow.com[208.187.167.81]: 554 5.7.1 Service unavailable; Client host [208.187.167.81] blocked using zen.spamhaus.org; https://www.spamhaus.org/sbl/query/SBLCSS; from= to= proto=ESMTP helo=
Mar 29 05:25:30 mail.srvfarm.net postfix/smtpd[755659]: NOQUEUE: reject: RCPT from own.onvacationnow.com[208.187.167.81]: 554 5.7.1 Service unavailable; Client host [208.187.167.81] blocked using zen.spamhaus.org; https://www.spamhaus.org/sbl/query/SBLCSS; from= to=

Mar 27 14:27:48 mail.srvfarm.net postfix/smtpd[3918921]: NOQUEUE: reject: RCPT from unknown[208.187.167.69]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 27 14:27:48 mail.srvfarm.net postfix/smtpd[3918666]: NOQUEUE: reject: RCPT from unknown[208.187.167.69]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 27 14:27:48 mail.srvfarm.net postfix/smtpd[3918860]: NOQUEUE: reject: RCPT from unknown[208.187.167.69]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 27 14:27:48 mail.srvfarm.net postfix/smtpd[3918862]: NOQUEUE: reject: RCPT from unknown[208.187.16

Mar 12 14:25:38 mail.srvfarm.net postfix/smtpd[1850438]: NOQUEUE: reject: RCPT from majestic.onvacationnow.com[208.187.167.75]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 12 14:25:38 mail.srvfarm.net postfix/smtpd[1850354]: NOQUEUE: reject: RCPT from majestic.onvacationnow.com[208.187.167.75]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 12 14:27:54 mail.srvfarm.net postfix/smtpd[1850354]: NOQUEUE: reject: RCPT from majestic.onvacationnow.com[208.187.167.75]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 12 14:27:54 mail.srvfarm.net postfix/smtpd[1850433]: NOQUEUE: reje

Mar  6 05:31:28 mail.srvfarm.net postfix/smtpd[1923012]: NOQUEUE: reject: RCPT from unknown[208.187.167.77]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar  6 05:31:35 mail.srvfarm.net postfix/smtpd[1924586]: NOQUEUE: reject: RCPT from unknown[208.187.167.77]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar  6 05:31:37 mail.srvfarm.net postfix/smtpd[1924634]: NOQUEUE: reject: RCPT from unknown[208.187.167.77]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar  6 05:31:47 mail.srvfarm.net postfix/smtpd[1924638]: NOQUEUE: reject: RCPT from unknown[208.1

Postfix RBL failed

$f2bV_matches

email spam

Jul 20 14:40:04 server1 sshd\[8040\]: Invalid user cherish from 192.144.137.82
Jul 20 14:40:04 server1 sshd\[8040\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.144.137.82 
Jul 20 14:40:07 server1 sshd\[8040\]: Failed password for invalid user cherish from 192.144.137.82 port 50390 ssh2
Jul 20 14:44:03 server1 sshd\[9445\]: Invalid user ape from 192.144.137.82
Jul 20 14:44:04 server1 sshd\[9445\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.144.137.82 
...

C2,WP GET /wp2/wp-includes/wlwmanifest.xml

(sshd) Failed SSH login from 134.175.178.118 (CN/China/-): 5 in the last 3600 secs

[MK-VM5] SSH login failed

Jul 20 13:20:09 ws22vmsma01 sshd[151378]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.210.231.34
Jul 20 13:20:11 ws22vmsma01 sshd[151378]: Failed password for invalid user bonaka from 190.210.231.34 port 34468 ssh2
...

2020-07-20T16:24:55.762305devel sshd[1276]: Invalid user devops from 212.95.137.73 port 51742
2020-07-20T16:24:57.581896devel sshd[1276]: Failed password for invalid user devops from 212.95.137.73 port 51742 ssh2
2020-07-20T16:36:02.449000devel sshd[3849]: Invalid user zabbix from 212.95.137.73 port 60450

"XSS Attack Detected via libinjection - Matched Data: XSS data found within ARGS_NAMES:

SSH Bruteforce Attempt on Honeypot

reported through recidive - multiple failed attempts(SSH)

WordPress login Brute force / Web App Attack on client site.

Jul 20 22:44:14 serwer sshd\[4765\]: Invalid user trinity from 157.230.216.233 port 49696
Jul 20 22:44:14 serwer sshd\[4765\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.216.233
Jul 20 22:44:15 serwer sshd\[4765\]: Failed password for invalid user trinity from 157.230.216.233 port 49696 ssh2
...

157.245.100.155 - - [20/Jul/2020:22:36:47 +0200] "POST /xmlrpc.php HTTP/1.1" 403 11042 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
157.245.100.155 - - [20/Jul/2020:22:44:10 +0200] "POST /xmlrpc.php HTTP/1.1" 403 15000 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
...

Jul 20 22:44:05 eventyay sshd[15113]: Failed password for root from 222.186.180.130 port 40767 ssh2
Jul 20 22:44:14 eventyay sshd[15116]: Failed password for root from 222.186.180.130 port 29725 ssh2
...

Auto Fail2Ban report, multiple SSH login attempts.

Brute forcing RDP port 3389