Mar  6 06:32:45 mail.srvfarm.net postfix/smtpd[1942014]: NOQUEUE: reject: RCPT from unknown[134.73.51.81]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar  6 06:32:52 mail.srvfarm.net postfix/smtpd[1942016]: NOQUEUE: reject: RCPT from unknown[134.73.51.81]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar  6 06:34:59 mail.srvfarm.net postfix/smtpd[1944759]: NOQUEUE: reject: RCPT from unknown[134.73.51.81]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar  6 06:35:08 mail.srvfarm.net postfix/smtpd[1942017]: NOQUEUE: reject: RCPT from unknown[134.73.51.81]:

Apr  2 15:10:30 mail.srvfarm.net postfix/smtpd[1975768]: NOQUEUE: reject: RCPT from squirrel.superacrepair.com[134.73.51.96]: 554 5.7.1 : Relay access denied; from= to= proto=ESMTP helo=
Apr  2 15:13:04 mail.srvfarm.net postfix/smtpd[1975772]: NOQUEUE: reject: RCPT from squirrel.superacrepair.com[134.73.51.96]: 554 5.7.1 : Relay access denied; from= to= proto=ESMTP helo=
Apr  2 15:16:00 mail.srvfarm.net postfix/smtpd[1962002]: NOQUEUE: reject: RCPT from squirrel.superacrepair.com[134.73.51.96]: 554 5.7.1 : Relay access denied; from= to= proto=ESMTP helo=
Apr  2 15:16:02 mail.srvfarm.net postfix/smtpd[1978064]: NOQUEUE: reject: RCPT from squirrel.superacrepair.com[134.73.51.96]: 554 5.7.1 Service unavailab

Apr  2 05:37:50 web01.agentur-b-2.de postfix/smtpd[64779]: NOQUEUE: reject: RCPT from shocker.juntosms.com[134.73.51.53]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr  2 05:37:58 web01.agentur-b-2.de postfix/smtpd[64780]: NOQUEUE: reject: RCPT from shocker.juntosms.com[134.73.51.53]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr  2 05:39:38 web01.agentur-b-2.de postfix/smtpd[64779]: NOQUEUE: reject: RCPT from shocker.juntosms.com[134.73.51.53]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr  2 05:39:56 web01.agentur-b-2.de postfix/smtpd[64780]: NOQUEUE: reject: RCPT from shocker.juntosms.com[134.73

Apr  2 05:24:38 mail.srvfarm.net postfix/smtpd[1752292]: NOQUEUE: reject: RCPT from depend.superacrepair.com[134.73.51.76]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr  2 05:24:38 mail.srvfarm.net postfix/smtpd[1751041]: NOQUEUE: reject: RCPT from depend.superacrepair.com[134.73.51.76]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr  2 05:24:38 mail.srvfarm.net postfix/smtpd[1753888]: NOQUEUE: reject: RCPT from depend.superacrepair.com[134.73.51.76]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr  2 05:24:39 mail.srvfarm.net postfix/smtpd[1752172]: NOQUEUE: reject: RCPT from depend.superacrepair.co

Apr  1 05:35:30 mail.srvfarm.net postfix/smtpd[1068652]: NOQUEUE: reject: RCPT from unknown[134.73.51.62]: 554 5.7.1 Service unavailable; Client host [134.73.51.62] blocked using zen.spamhaus.org; https://www.spamhaus.org/sbl/query/SBLCSS; from= to= proto=ESMTP helo=
Apr  1 05:35:30 mail.srvfarm.net postfix/smtpd[1071960]: NOQUEUE: reject: RCPT from unknown[134.73.51.62]: 554 5.7.1 Service unavailable; Client host [134.73.51.62] blocked using zen.spamhaus.org; https://www.spamhaus.org/sbl/query/SBLCSS; from= to= proto=ESMTP helo=
Apr  1 05:35:30 mail.srvfarm.net postfix/smtpd[1069650]: NOQUEUE: reject: RCPT from unknown[134.73.51.62]: 554 5.7.1 Service unavailable; Client host [134.73.51.62] blocked using zen.spamhaus.org; https://www.spamhaus.org/sbl/query/SBLCSS; from= to= proto=ESMTP helo=

Mar 31 15:27:26 mail.srvfarm.net postfix/smtpd[605797]: NOQUEUE: reject: RCPT from unknown[134.73.51.37]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 31 15:27:30 mail.srvfarm.net postfix/smtpd[605800]: NOQUEUE: reject: RCPT from unknown[134.73.51.37]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 31 15:31:58 mail.srvfarm.net postfix/smtpd[619495]: NOQUEUE: reject: RCPT from unknown[134.73.51.37]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 31 15:35:15 mail.srvfarm.net postfix/smtpd[622924]: NOQUEUE: reject: RCPT

Mar 31 05:27:16 mail.srvfarm.net postfix/smtpd[361760]: NOQUEUE: reject: RCPT from unknown[134.73.51.12]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 31 05:28:14 mail.srvfarm.net postfix/smtpd[381494]: NOQUEUE: reject: RCPT from unknown[134.73.51.12]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 31 05:33:04 mail.srvfarm.net postfix/smtpd[377289]: NOQUEUE: reject: RCPT from unknown[134.73.51.12]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 31 05:33:18 mail.srvfarm.net postfix/smtpd[365658]: NOQUEUE: reject: RCPT from unknown[134.73.51.12]: 450 4.1.8 

Mar 31 05:25:53 mail.srvfarm.net postfix/smtpd[365653]: NOQUEUE: reject: RCPT from unknown[134.73.51.113]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 31 05:26:37 mail.srvfarm.net postfix/smtpd[365653]: NOQUEUE: reject: RCPT from unknown[134.73.51.113]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 31 05:27:07 mail.srvfarm.net postfix/smtpd[361760]: NOQUEUE: reject: RCPT from unknown[134.73.51.113]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 31 05:27:56 mail.srvfarm.net postfix/smtpd[364919]: NOQUEUE: reject: RCPT from unknown[134.73.51.113]: 450 4.1.8 <

Mar 31 05:42:52 mail.srvfarm.net postfix/smtpd[381494]: NOQUEUE: reject: RCPT from unknown[134.73.51.168]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 31 05:42:58 mail.srvfarm.net postfix/smtpd[383948]: NOQUEUE: reject: RCPT from unknown[134.73.51.168]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 31 05:43:28 mail.srvfarm.net postfix/smtpd[377289]: NOQUEUE: reject: RCPT from unknown[134.73.51.168]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 31 05:43:56 mail.srvfarm.net postfix/smtpd[377290

Mar 30 16:52:11 mail.srvfarm.net postfix/smtpd[1589027]: NOQUEUE: reject: RCPT from unknown[134.73.51.177]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 30 16:52:11 mail.srvfarm.net postfix/smtpd[1604476]: NOQUEUE: reject: RCPT from unknown[134.73.51.177]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 30 16:53:16 mail.srvfarm.net postfix/smtpd[1604431]: NOQUEUE: reject: RCPT from unknown[134.73.51.177]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 30 16:56:13 mail.srvfarm.net postfix/smtpd[1608170]: NOQUEUE: reject: RCPT from unknown[134.73.51.177]: 450 4.1.8 

Mar 29 05:41:35 mail.srvfarm.net postfix/smtpd[755834]: NOQUEUE: reject: RCPT from kinky.juntosms.com[134.73.51.40]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 29 05:45:17 mail.srvfarm.net postfix/smtpd[774355]: NOQUEUE: reject: RCPT from kinky.juntosms.com[134.73.51.40]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 29 05:46:32 mail.srvfarm.net postfix/smtpd[755491]: NOQUEUE: reject: RCPT from kinky.juntosms.com[134.73.51.40]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 29 05:48:27 mail.srvfarm.net postfix/smtpd[755834]: NOQUEUE: reject: RCPT from kinky.junt

Mar 29 05:41:45 mail.srvfarm.net postfix/smtpd[770786]: NOQUEUE: reject: RCPT from unknown[134.73.51.131]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 29 05:45:13 mail.srvfarm.net postfix/smtpd[774355]: NOQUEUE: reject: RCPT from unknown[134.73.51.131]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 29 05:48:25 mail.srvfarm.net postfix/smtpd[770789]: NOQUEUE: reject: RCPT from unknown[134.73.51.131]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 29 05:50:03 mail.srvfarm.net postfix/smtpd[774394]: NOQUEUE: reject: RCPT from unknown[134.73.51.131]: 450 4.1.8 

Mar 28 04:41:31 mail.srvfarm.net postfix/smtpd[160963]: NOQUEUE: reject: RCPT from unknown[134.73.51.221]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 28 04:46:02 mail.srvfarm.net postfix/smtpd[160577]: NOQUEUE: reject: RCPT from unknown[134.73.51.221]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 28 04:46:02 mail.srvfarm.net postfix/smtpd[160577]: NOQUEUE: reject: RCPT from unknown[134.73.51.221]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 28 04:49:26 mail.srvfarm.net postfix/smtpd[1602

Mar 27 05:42:05 mail.srvfarm.net postfix/smtpd[3723724]: NOQUEUE: reject: RCPT from unknown[134.73.51.153]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 27 05:42:05 mail.srvfarm.net postfix/smtpd[3721876]: NOQUEUE: reject: RCPT from unknown[134.73.51.153]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 27 05:42:05 mail.srvfarm.net postfix/smtpd[3723721]: NOQUEUE: reject: RCPT from unknown[134.73.51.153]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 27 05:42:05 mail.srvfarm.net postfix/smtpd[3721944]: NOQUEUE: reject: RCPT from unknown[134.73.51.153]:

Mar 27 06:01:19 mail.srvfarm.net postfix/smtpd[3722006]: NOQUEUE: reject: RCPT from unknown[134.73.51.215]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 27 06:02:10 mail.srvfarm.net postfix/smtpd[3722006]: NOQUEUE: reject: RCPT from unknown[134.73.51.215]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 27 06:03:07 mail.srvfarm.net postfix/smtpd[3721909]: NOQUEUE: reject: RCPT from unknown[134.73.51.215]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 27 06:03:18 mail.srvfarm.net postfix/smtpd[3722006]: NOQUEUE: reject: RCPT from unknown[134.73.51.215]:

Mar 23 15:42:08 web01 postfix/smtpd[13317]: connect from arrange.yojaana.com[134.73.51.173]
Mar 23 15:42:09 web01 policyd-spf[13319]: None; identhostnamey=helo; client-ip=134.73.51.173; helo=arrange.tmtsuarl.com; envelope-from=x@x
Mar 23 15:42:09 web01 policyd-spf[13319]: Pass; identhostnamey=mailfrom; client-ip=134.73.51.173; helo=arrange.tmtsuarl.com; envelope-from=x@x
Mar x@x
Mar 23 15:42:10 web01 postfix/smtpd[13317]: disconnect from arrange.yojaana.com[134.73.51.173]
Mar 23 15:47:38 web01 postfix/smtpd[13627]: connect from arrange.yojaana.com[134.73.51.173]
Mar 23 15:47:38 web01 policyd-spf[13660]: None; identhostnamey=helo; client-ip=134.73.51.173; helo=arrange.tmtsuarl.com; envelope-from=x@x
Mar 23 15:47:38 web01 policyd-spf[13660]: Pass; identhostnamey=mailfrom; client-ip=134.73.51.173; helo=arrange.tmtsuarl.com; envelope-from=x@x
Mar x@x
Mar 23 15:47:39 web01 postfix/smtpd[13627]: disconnect from arrange.yojaana.com[134.73.51.173]
Mar 23 15:51:19 web01 postfix/........
-------------------------------

SSH bruteforce

Dec 11 01:10:57 eventyay sshd[15172]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.131.200.191
Dec 11 01:10:59 eventyay sshd[15172]: Failed password for invalid user noel from 188.131.200.191 port 51202 ssh2
Dec 11 01:18:04 eventyay sshd[15416]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.131.200.191
...

Unauthorized connection attempt from IP address 190.74.197.70 on Port 445(SMB)

Invalid user inge from 143.159.219.3 port 57346

Dec 10 21:44:51 MK-Soft-VM3 sshd[22978]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=145.239.90.235 
Dec 10 21:44:53 MK-Soft-VM3 sshd[22978]: Failed password for invalid user avh from 145.239.90.235 port 35718 ssh2
...

Attempt to attack host OS, exploiting network vulnerabilities, on 10-12-2019 18:15:15.

$f2bV_matches

$f2bV_matches

Dec 11 00:41:14 srv206 sshd[21255]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.194  user=root
Dec 11 00:41:16 srv206 sshd[21255]: Failed password for root from 112.85.42.194 port 49008 ssh2
...

RDPBruteVem

Dec 10 18:29:07 web8 sshd\[7947\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=200.89.178.214  user=root
Dec 10 18:29:08 web8 sshd\[7947\]: Failed password for root from 200.89.178.214 port 47804 ssh2
Dec 10 18:36:18 web8 sshd\[11449\]: Invalid user yanez from 200.89.178.214
Dec 10 18:36:18 web8 sshd\[11449\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=200.89.178.214
Dec 10 18:36:20 web8 sshd\[11449\]: Failed password for invalid user yanez from 200.89.178.214 port 56644 ssh2

SSH bruteforce

Unauthorized connection attempt detected from IP address 5.58.1.244 to port 445

$f2bV_matches

Dec 10 22:18:14 server sshd\[26440\]: Invalid user pniewski from 182.74.169.98
Dec 10 22:18:14 server sshd\[26440\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.74.169.98 
Dec 10 22:18:17 server sshd\[26440\]: Failed password for invalid user pniewski from 182.74.169.98 port 49868 ssh2
Dec 10 22:40:37 server sshd\[675\]: Invalid user kyeongso from 182.74.169.98
Dec 10 22:40:37 server sshd\[675\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.74.169.98 
...