Apr 23 10:22:32 mail.srvfarm.net postfix/smtpd[3842038]: NOQUEUE: reject: RCPT from unknown[69.94.135.145]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 23 10:23:38 mail.srvfarm.net postfix/smtpd[3840616]: NOQUEUE: reject: RCPT from unknown[69.94.135.145]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 23 10:24:10 mail.srvfarm.net postfix/smtpd[3831317]: NOQUEUE: reject: RCPT from unknown[69.94.135.145]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 23 10:24:46 mail.srvfarm.net postfix/smtpd[3840615]: NOQUEUE: reject: RCPT from unknown[69.94.135.145]: 450 4.1

Apr 19 05:30:22 web01.agentur-b-2.de postfix/smtpd[70375]: NOQUEUE: reject: RCPT from cap.gratefulhope.com[69.94.135.145]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 19 05:32:48 web01.agentur-b-2.de postfix/smtpd[69236]: NOQUEUE: reject: RCPT from cap.gratefulhope.com[69.94.135.145]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 19 05:35:08 web01.agentur-b-2.de postfix/smtpd[69236]: NOQUEUE: reject: RCPT from cap.gratefulhope.com[69.94.135.145]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 19 05:36:57 web01.agentur-b-2.de postfix/smtpd[72153]: NOQUEUE: reject: RCPT from cap.gratefulhope.com[69.94.135.14

Jun  5 16:34:11 mail.srvfarm.net postfix/smtpd[3129216]: NOQUEUE: reject: RCPT from unknown[69.94.135.194]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  5 16:34:16 mail.srvfarm.net postfix/smtpd[3129284]: NOQUEUE: reject: RCPT from unknown[69.94.135.194]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  5 16:34:17 mail.srvfarm.net postfix/smtpd[3129250]: NOQUEUE: reject: RCPT from unknown[69.94.135.194]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  5 16:40:00 mail.srvfarm.net postfix/smtpd[3129216]: NOQUEUE: reject: RCPT from unknown[69.94.135.194]: 450 4.1.8 :

Jun  5 18:39:26 mail.srvfarm.net postfix/smtpd[3176698]: NOQUEUE: reject: RCPT from unknown[69.94.135.199]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  5 18:42:05 mail.srvfarm.net postfix/smtpd[3177811]: NOQUEUE: reject: RCPT from unknown[69.94.135.199]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  5 18:42:05 mail.srvfarm.net postfix/smtpd[3177812]: NOQUEUE: reject: RCPT from unknown[69.94.135.199]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  5 18:42:05 mail.srvfarm.net postfix/smtpd[3177813]: NOQUEUE: reject: RCPT from unknown[69.94.135

Jun  2 13:46:57 mail.srvfarm.net postfix/smtpd[1211070]: NOQUEUE: reject: RCPT from unknown[69.94.135.195]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  2 13:46:58 mail.srvfarm.net postfix/smtpd[1209266]: NOQUEUE: reject: RCPT from unknown[69.94.135.195]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  2 13:47:19 mail.srvfarm.net postfix/smtpd[1203832]: NOQUEUE: reject: RCPT from unknown[69.94.135.195]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  2 13:48:06 mail.srvfarm.net postfix/smtpd[1211325]: NOQUEUE: reject: RCPT from unknown[69.94.135.195]: 450 4.1.8 

Jun  1 14:44:00 mail.srvfarm.net postfix/smtpd[596959]: NOQUEUE: reject: RCPT from unknown[69.94.135.184]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  1 14:44:08 mail.srvfarm.net postfix/smtpd[596422]: NOQUEUE: reject: RCPT from unknown[69.94.135.184]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  1 14:44:13 mail.srvfarm.net postfix/smtpd[596965]: NOQUEUE: reject: RCPT from unknown[69.94.135.184]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  1 14:44:47 mail.srvfarm.net postfix/smtpd[596955]: NOQUEUE: reject: RCPT from unknown[69.94.135.184]: 450 4.1.8 : Sender address r

May 25 13:33:01 mail.srvfarm.net postfix/smtpd[234571]: NOQUEUE: reject: RCPT from unknown[69.94.135.190]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
May 25 13:33:37 mail.srvfarm.net postfix/smtpd[235744]: NOQUEUE: reject: RCPT from unknown[69.94.135.190]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
May 25 13:41:34 mail.srvfarm.net postfix/smtpd[235739]: NOQUEUE: reject: RCPT from unknown[69.94.135.190]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
May 25 13:41:50 mail.srvfarm.net postfix/smtpd[244198]: NOQUEUE: reject: RCPT from unknown[69.94.135.190]: 450 4.1.8 

May 16 22:16:33 mail.srvfarm.net postfix/smtpd[2812805]: NOQUEUE: reject: RCPT from unknown[69.94.135.194]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
May 16 22:17:19 mail.srvfarm.net postfix/smtpd[2812174]: NOQUEUE: reject: RCPT from unknown[69.94.135.194]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
May 16 22:17:19 mail.srvfarm.net postfix/smtpd[2812804]: NOQUEUE: reject: RCPT from unknown[69.94.135.194]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
May 16 22:17:19 mail.srvfarm.net postfix/smtpd[2812792]: NOQUEUE: reject: RCPT from unknown[69.94.135.194]: 450 4.

Email Spam

Apr 30 22:45:00 mail.srvfarm.net postfix/smtpd[780204]: NOQUEUE: reject: RCPT from unknown[69.94.135.184]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 30 22:48:12 mail.srvfarm.net postfix/smtpd[780202]: NOQUEUE: reject: RCPT from unknown[69.94.135.184]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 30 22:50:44 mail.srvfarm.net postfix/smtpd[780207]: NOQUEUE: reject: RCPT from unknown[69.94.135.184]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 30 22:52:27 mail.srvfarm.net postfix/smtpd[7737

Apr 22 05:23:34 web01.agentur-b-2.de postfix/smtpd[67232]: NOQUEUE: reject: RCPT from sundry.gratefulhope.com[69.94.135.193]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 22 05:24:27 web01.agentur-b-2.de postfix/smtpd[70916]: NOQUEUE: reject: RCPT from sundry.gratefulhope.com[69.94.135.193]: 554 5.7.1 Service unavailable; Client host [69.94.135.193] blocked using zen.spamhaus.org; https://www.spamhaus.org/sbl/query/SBLCSS; from= to= proto=ESMTP helo=
Apr 22 05:24:49 web01.agentur-b-2.de postfix/smtpd[67186]: NOQUEUE: reject: RCPT from sundry.gratefulhope.com[69.94.135.193]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 22 05:30:13 web

Apr 21 05:30:35 web01.agentur-b-2.de postfix/smtpd[1805329]: NOQUEUE: reject: RCPT from unknown[69.94.135.172]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 21 05:31:16 web01.agentur-b-2.de postfix/smtpd[1804130]: NOQUEUE: reject: RCPT from unknown[69.94.135.172]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 21 05:32:50 web01.agentur-b-2.de postfix/smtpd[1805329]: NOQUEUE: reject: RCPT from unknown[69.94.135.172]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 21 05:39:31 web01.agentur-b-2.de postfix/smtpd[1805328]: NOQUEUE: reject: RCPT from unknown[69.94.135.172]: 450 4.7.1 : Helo command rejec

Apr 20 22:35:52 mail.srvfarm.net postfix/smtpd[2306699]: NOQUEUE: reject: RCPT from unknown[69.94.135.201]: 554 5.7.1 Service unavailable; Client host [69.94.135.201] blocked using bl.spamcop.net; Blocked - see https://www.spamcop.net/bl.shtml?69.94.135.201; from= to= proto=ESMTP helo=
Apr 20 22:36:24 mail.srvfarm.net postfix/smtpd[2306699]: NOQUEUE: reject: RCPT from unknown[69.94.135.201]: 554 5.7.1 Service unavailable; Client host [69.94.135.201] blocked using bl.spamcop.net; Blocked - see https://www.spamcop.net/bl.shtml?69.94.135.201; from= to= proto=ESMTP helo=
Apr 20 22:36:25 mail.srvfarm.net postfix/smtpd[2307048]: NOQUEUE: reject: RCPT from unknown[69.94.135.201]: 554 5.7.1 Service unavailable; Client host [69.94.135.201] blocked using bl.spamcop.net; Blocked - see https://www.spamcop.net/bl.shtml?69.94.135.201; from=

Apr 18 05:31:11 mail.srvfarm.net postfix/smtpd[3928349]: NOQUEUE: reject: RCPT from unknown[69.94.135.193]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 18 05:31:36 mail.srvfarm.net postfix/smtpd[3924176]: NOQUEUE: reject: RCPT from unknown[69.94.135.193]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 18 05:32:00 mail.srvfarm.net postfix/smtpd[3928236]: NOQUEUE: reject: RCPT from unknown[69.94.135.193]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 18 05:34:36 mail.srvfarm.net postfix/smtpd[3926439]: NOQUEUE: reject: RCPT from unknown[69.94.135.193]: 450 4.1.8 : Sender a

Apr 17 05:31:24 web01.agentur-b-2.de postfix/smtpd[879561]: NOQUEUE: reject: RCPT from unknown[69.94.135.172]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 17 05:31:58 web01.agentur-b-2.de postfix/smtpd[879560]: NOQUEUE: reject: RCPT from unknown[69.94.135.172]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 17 05:32:16 web01.agentur-b-2.de postfix/smtpd[879560]: NOQUEUE: reject: RCPT from unknown[69.94.135.172]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 17 05:33:03 web01.agentur-b-2.de postfix/smtpd[879560]: NOQUEUE: reject: RCPT from unknown[69.94.135.172]: 450 4.7.1 : Helo command rejected: Host n

Apr 16 05:25:29 mail.srvfarm.net postfix/smtpd[2643432]: NOQUEUE: reject: RCPT from unknown[69.94.135.156]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 16 05:28:57 mail.srvfarm.net postfix/smtpd[2662491]: NOQUEUE: reject: RCPT from unknown[69.94.135.156]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 16 05:30:01 mail.srvfarm.net postfix/smtpd[2662491]: NOQUEUE: reject: RCPT from unknown[69.94.135.156]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 16 05:30:16 mail.srvfarm.net postfix

Apr 15 05:28:24 mail.srvfarm.net postfix/smtpd[1984196]: NOQUEUE: reject: RCPT from unknown[69.94.135.204]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 15 05:30:47 mail.srvfarm.net postfix/smtpd[1983495]: NOQUEUE: reject: RCPT from unknown[69.94.135.204]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 15 05:31:20 mail.srvfarm.net postfix/smtpd[1996754]: NOQUEUE: reject: RCPT from unknown[69.94.135.204]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 15 05:31:48 mail.srvfarm.net postfix/smtpd[1997904]: NOQUEUE: reject: RCPT from unknown[69.94.135.204]: 4

2020-06-12T16:47:48.862724abusebot-7.cloudsearch.cf sshd[27444]: Invalid user ftpuser from 5.181.151.143 port 41450
2020-06-12T16:47:48.869018abusebot-7.cloudsearch.cf sshd[27444]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=5.181.151.143
2020-06-12T16:47:48.862724abusebot-7.cloudsearch.cf sshd[27444]: Invalid user ftpuser from 5.181.151.143 port 41450
2020-06-12T16:47:51.125877abusebot-7.cloudsearch.cf sshd[27444]: Failed password for invalid user ftpuser from 5.181.151.143 port 41450 ssh2
2020-06-12T16:55:34.606797abusebot-7.cloudsearch.cf sshd[27824]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=5.181.151.143  user=root
2020-06-12T16:55:36.838387abusebot-7.cloudsearch.cf sshd[27824]: Failed password for root from 5.181.151.143 port 36840 ssh2
2020-06-12T16:57:24.251132abusebot-7.cloudsearch.cf sshd[27915]: Invalid user hongxing from 5.181.151.143 port 37556
...

Jun 12 20:19:16 srv01 postfix/smtpd\[8002\]: warning: unknown\[46.38.150.153\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 12 20:19:44 srv01 postfix/smtpd\[1585\]: warning: unknown\[46.38.150.153\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 12 20:20:00 srv01 postfix/smtpd\[1585\]: warning: unknown\[46.38.150.153\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 12 20:20:03 srv01 postfix/smtpd\[8003\]: warning: unknown\[46.38.150.153\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 12 20:20:51 srv01 postfix/smtpd\[8003\]: warning: unknown\[46.38.150.153\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...

Jun 12 19:45:50 ArkNodeAT sshd\[2195\]: Invalid user niclas from 51.38.235.100
Jun 12 19:45:50 ArkNodeAT sshd\[2195\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.38.235.100
Jun 12 19:45:52 ArkNodeAT sshd\[2195\]: Failed password for invalid user niclas from 51.38.235.100 port 43614 ssh2

Failed password for invalid user pascal from 182.61.1.130 port 45544 ssh2
Invalid user ce from 182.61.1.130 port 49312
pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.1.130
Invalid user ce from 182.61.1.130 port 49312
Failed password for invalid user ce from 182.61.1.130 port 49312 ssh2

prod8
...

06/12/2020-12:47:19.359140 89.248.167.131 Protocol: 6 ET CINS Active Threat Intelligence Poor Reputation IP group 98

Jun 12 11:27:58 Host-KLAX-C sshd[23189]: Invalid user xl from 106.51.85.66 port 29930
...

Jun 12 20:31:23 vmi345603 sshd[23417]: Failed password for root from 222.186.42.137 port 33411 ssh2
Jun 12 20:31:26 vmi345603 sshd[23417]: Failed password for root from 222.186.42.137 port 33411 ssh2
...

Jun 12 12:51:04 Tower sshd[3214]: Connection from 200.8.220.61 port 58178 on 192.168.10.220 port 22 rdomain ""
Jun 12 12:51:09 Tower sshd[3214]: Invalid user ubnt from 200.8.220.61 port 58178
Jun 12 12:51:09 Tower sshd[3214]: error: Could not get shadow information for NOUSER
Jun 12 12:51:09 Tower sshd[3214]: Failed password for invalid user ubnt from 200.8.220.61 port 58178 ssh2
Jun 12 12:51:11 Tower sshd[3214]: Connection closed by invalid user ubnt 200.8.220.61 port 58178 [preauth]

Jun 12 18:44:56 PorscheCustomer sshd[23491]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.59.46.167
Jun 12 18:44:58 PorscheCustomer sshd[23491]: Failed password for invalid user cav09 from 139.59.46.167 port 37054 ssh2
Jun 12 18:46:56 PorscheCustomer sshd[23537]: Failed password for root from 139.59.46.167 port 36348 ssh2
...

k+ssh-bruteforce

Brute forcing email accounts

Jun 12 18:33:56 ns382633 sshd\[2630\]: Invalid user user from 94.191.107.157 port 41950
Jun 12 18:33:56 ns382633 sshd\[2630\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=94.191.107.157
Jun 12 18:33:57 ns382633 sshd\[2630\]: Failed password for invalid user user from 94.191.107.157 port 41950 ssh2
Jun 12 18:47:19 ns382633 sshd\[5163\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=94.191.107.157  user=root
Jun 12 18:47:20 ns382633 sshd\[5163\]: Failed password for root from 94.191.107.157 port 59622 ssh2

2020-06-12T18:03:45.692630shield sshd\[4235\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=chbluxury.com.ng  user=root
2020-06-12T18:03:47.213667shield sshd\[4235\]: Failed password for root from 68.183.12.80 port 37988 ssh2
2020-06-12T18:07:03.371748shield sshd\[5557\]: Invalid user test from 68.183.12.80 port 40816
2020-06-12T18:07:03.375429shield sshd\[5557\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=chbluxury.com.ng
2020-06-12T18:07:05.418382shield sshd\[5557\]: Failed password for invalid user test from 68.183.12.80 port 40816 ssh2

Jun 12 18:45:47 ns382633 sshd\[5054\]: Invalid user g from 138.68.105.194 port 45550
Jun 12 18:45:47 ns382633 sshd\[5054\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.68.105.194
Jun 12 18:45:48 ns382633 sshd\[5054\]: Failed password for invalid user g from 138.68.105.194 port 45550 ssh2
Jun 12 18:51:04 ns382633 sshd\[5929\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.68.105.194  user=root
Jun 12 18:51:06 ns382633 sshd\[5929\]: Failed password for root from 138.68.105.194 port 55738 ssh2