(smtpauth) Failed SMTP AUTH login from 186.216.70.38 (BR/Brazil/186-216-70-38.uni-wr.mastercabo.com.br): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: 2020-07-10 08:20:14 plain authenticator failed for ([186.216.70.38]) [186.216.70.38]: 535 Incorrect authentication data (set_id=info@sepasgroup.com)

Oct  4 17:27:23 mail.srvfarm.net postfix/smtpd[1062030]: warning: unknown[186.216.70.167]: SASL PLAIN authentication failed: 
Oct  4 17:27:23 mail.srvfarm.net postfix/smtpd[1062030]: lost connection after AUTH from unknown[186.216.70.167]
Oct  4 17:33:41 mail.srvfarm.net postfix/smtpd[1062033]: warning: unknown[186.216.70.167]: SASL PLAIN authentication failed: 
Oct  4 17:33:42 mail.srvfarm.net postfix/smtpd[1062033]: lost connection after AUTH from unknown[186.216.70.167]
Oct  4 17:35:36 mail.srvfarm.net postfix/smtps/smtpd[1062626]: warning: unknown[186.216.70.167]: SASL PLAIN authentication failed:

Oct  3 22:05:22 mail.srvfarm.net postfix/smtps/smtpd[655023]: warning: unknown[186.216.70.167]: SASL PLAIN authentication failed: 
Oct  3 22:05:22 mail.srvfarm.net postfix/smtps/smtpd[655023]: lost connection after AUTH from unknown[186.216.70.167]
Oct  3 22:05:40 mail.srvfarm.net postfix/smtps/smtpd[657386]: warning: unknown[186.216.70.167]: SASL PLAIN authentication failed: 
Oct  3 22:05:40 mail.srvfarm.net postfix/smtps/smtpd[657386]: lost connection after AUTH from unknown[186.216.70.167]
Oct  3 22:12:30 mail.srvfarm.net postfix/smtpd[661692]: warning: unknown[186.216.70.167]: SASL PLAIN authentication failed:

Oct  3 22:05:22 mail.srvfarm.net postfix/smtps/smtpd[655023]: warning: unknown[186.216.70.167]: SASL PLAIN authentication failed: 
Oct  3 22:05:22 mail.srvfarm.net postfix/smtps/smtpd[655023]: lost connection after AUTH from unknown[186.216.70.167]
Oct  3 22:05:40 mail.srvfarm.net postfix/smtps/smtpd[657386]: warning: unknown[186.216.70.167]: SASL PLAIN authentication failed: 
Oct  3 22:05:40 mail.srvfarm.net postfix/smtps/smtpd[657386]: lost connection after AUTH from unknown[186.216.70.167]
Oct  3 22:12:30 mail.srvfarm.net postfix/smtpd[661692]: warning: unknown[186.216.70.167]: SASL PLAIN authentication failed:

Sep 15 18:42:37 mail.srvfarm.net postfix/smtps/smtpd[2828111]: warning: unknown[186.216.70.163]: SASL PLAIN authentication failed: 
Sep 15 18:42:37 mail.srvfarm.net postfix/smtps/smtpd[2828111]: lost connection after AUTH from unknown[186.216.70.163]
Sep 15 18:45:53 mail.srvfarm.net postfix/smtps/smtpd[2822043]: warning: unknown[186.216.70.163]: SASL PLAIN authentication failed: 
Sep 15 18:45:53 mail.srvfarm.net postfix/smtps/smtpd[2822043]: lost connection after AUTH from unknown[186.216.70.163]
Sep 15 18:47:31 mail.srvfarm.net postfix/smtps/smtpd[2826802]: warning: unknown[186.216.70.163]: SASL PLAIN authentication failed:

Sep 15 18:42:37 mail.srvfarm.net postfix/smtps/smtpd[2828111]: warning: unknown[186.216.70.163]: SASL PLAIN authentication failed: 
Sep 15 18:42:37 mail.srvfarm.net postfix/smtps/smtpd[2828111]: lost connection after AUTH from unknown[186.216.70.163]
Sep 15 18:45:53 mail.srvfarm.net postfix/smtps/smtpd[2822043]: warning: unknown[186.216.70.163]: SASL PLAIN authentication failed: 
Sep 15 18:45:53 mail.srvfarm.net postfix/smtps/smtpd[2822043]: lost connection after AUTH from unknown[186.216.70.163]
Sep 15 18:47:31 mail.srvfarm.net postfix/smtps/smtpd[2826802]: warning: unknown[186.216.70.163]: SASL PLAIN authentication failed:

Unauthorized SMTP/IMAP/POP3 connection attempt

failed_logins

Aug 27 10:26:19 mail.srvfarm.net postfix/smtps/smtpd[1480064]: warning: unknown[186.216.70.42]: SASL PLAIN authentication failed: 
Aug 27 10:26:20 mail.srvfarm.net postfix/smtps/smtpd[1480064]: lost connection after AUTH from unknown[186.216.70.42]
Aug 27 10:32:55 mail.srvfarm.net postfix/smtps/smtpd[1477846]: warning: unknown[186.216.70.42]: SASL PLAIN authentication failed: 
Aug 27 10:32:56 mail.srvfarm.net postfix/smtps/smtpd[1477846]: lost connection after AUTH from unknown[186.216.70.42]
Aug 27 10:35:52 mail.srvfarm.net postfix/smtpd[1480750]: warning: unknown[186.216.70.42]: SASL PLAIN authentication failed:

Aug 28 02:37:58 mail.srvfarm.net postfix/smtpd[2024855]: warning: unknown[186.216.70.118]: SASL PLAIN authentication failed: 
Aug 28 02:37:59 mail.srvfarm.net postfix/smtpd[2024855]: lost connection after AUTH from unknown[186.216.70.118]
Aug 28 02:38:33 mail.srvfarm.net postfix/smtps/smtpd[2021025]: warning: unknown[186.216.70.118]: SASL PLAIN authentication failed: 
Aug 28 02:38:34 mail.srvfarm.net postfix/smtps/smtpd[2021025]: lost connection after AUTH from unknown[186.216.70.118]
Aug 28 02:42:56 mail.srvfarm.net postfix/smtps/smtpd[2026383]: warning: unknown[186.216.70.118]: SASL PLAIN authentication failed:

Aug 27 05:02:16 mail.srvfarm.net postfix/smtps/smtpd[1337554]: warning: unknown[186.216.70.22]: SASL PLAIN authentication failed: 
Aug 27 05:02:16 mail.srvfarm.net postfix/smtps/smtpd[1337554]: lost connection after AUTH from unknown[186.216.70.22]
Aug 27 05:02:43 mail.srvfarm.net postfix/smtps/smtpd[1340826]: warning: unknown[186.216.70.22]: SASL PLAIN authentication failed: 
Aug 27 05:02:43 mail.srvfarm.net postfix/smtps/smtpd[1340826]: lost connection after AUTH from unknown[186.216.70.22]
Aug 27 05:04:12 mail.srvfarm.net postfix/smtpd[1347722]: warning: unknown[186.216.70.22]: SASL PLAIN authentication failed:

Aug 27 05:24:09 mail.srvfarm.net postfix/smtps/smtpd[1357935]: warning: unknown[186.216.70.144]: SASL PLAIN authentication failed: 
Aug 27 05:24:10 mail.srvfarm.net postfix/smtps/smtpd[1357935]: lost connection after AUTH from unknown[186.216.70.144]
Aug 27 05:28:39 mail.srvfarm.net postfix/smtps/smtpd[1356766]: warning: unknown[186.216.70.144]: SASL PLAIN authentication failed: 
Aug 27 05:28:39 mail.srvfarm.net postfix/smtps/smtpd[1356766]: lost connection after AUTH from unknown[186.216.70.144]
Aug 27 05:30:48 mail.srvfarm.net postfix/smtps/smtpd[1355004]: warning: unknown[186.216.70.144]: SASL PLAIN authentication failed:

Aug 15 02:11:34 mail.srvfarm.net postfix/smtps/smtpd[963491]: warning: unknown[186.216.70.29]: SASL PLAIN authentication failed: 
Aug 15 02:11:35 mail.srvfarm.net postfix/smtps/smtpd[963491]: lost connection after AUTH from unknown[186.216.70.29]
Aug 15 02:13:06 mail.srvfarm.net postfix/smtps/smtpd[950236]: warning: unknown[186.216.70.29]: SASL PLAIN authentication failed: 
Aug 15 02:13:07 mail.srvfarm.net postfix/smtps/smtpd[950236]: lost connection after AUTH from unknown[186.216.70.29]
Aug 15 02:15:46 mail.srvfarm.net postfix/smtps/smtpd[964715]: warning: unknown[186.216.70.29]: SASL PLAIN authentication failed:

Unauthorized connection attempt from IP address 186.216.70.93 on port 587

Aug  7 05:46:08 mail.srvfarm.net postfix/smtps/smtpd[3191887]: warning: unknown[186.216.70.114]: SASL PLAIN authentication failed: 
Aug  7 05:46:08 mail.srvfarm.net postfix/smtps/smtpd[3191887]: lost connection after AUTH from unknown[186.216.70.114]
Aug  7 05:47:48 mail.srvfarm.net postfix/smtps/smtpd[3194459]: warning: unknown[186.216.70.114]: SASL PLAIN authentication failed: 
Aug  7 05:47:48 mail.srvfarm.net postfix/smtps/smtpd[3194459]: lost connection after AUTH from unknown[186.216.70.114]
Aug  7 05:50:33 mail.srvfarm.net postfix/smtps/smtpd[3191864]: warning: unknown[186.216.70.114]: SASL PLAIN authentication failed:

SASL PLAIN auth failed: ruser=...

Dec 21 07:18:14 meumeu sshd[6038]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=142.44.184.156 
Dec 21 07:18:16 meumeu sshd[6038]: Failed password for invalid user 07 from 142.44.184.156 port 53900 ssh2
Dec 21 07:24:54 meumeu sshd[6934]: Failed password for root from 142.44.184.156 port 60220 ssh2
...

12/21/2019-03:25:31.983609 89.248.160.178 Protocol: 6 ET SCAN NMAP -sS window 1024

Dec 21 12:50:04 relay postfix/smtpd\[16167\]: warning: unknown\[46.38.144.17\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Dec 21 12:50:47 relay postfix/smtpd\[9940\]: warning: unknown\[46.38.144.17\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Dec 21 12:51:32 relay postfix/smtpd\[17170\]: warning: unknown\[46.38.144.17\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Dec 21 12:52:14 relay postfix/smtpd\[20930\]: warning: unknown\[46.38.144.17\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Dec 21 12:53:00 relay postfix/smtpd\[17759\]: warning: unknown\[46.38.144.17\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...

Dec 21 12:10:25 thevastnessof sshd[25100]: Failed password for root from 222.186.175.151 port 50812 ssh2
...

Tried sshing with brute force.

Invalid user splashmc from 58.222.107.253 port 11960
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.222.107.253
Failed password for invalid user splashmc from 58.222.107.253 port 11960 ssh2
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.222.107.253  user=root
Failed password for root from 58.222.107.253 port 10037 ssh2

Dec 21 16:50:07 gw1 sshd[27731]: Failed password for root from 222.186.180.9 port 16148 ssh2
Dec 21 16:50:10 gw1 sshd[27731]: Failed password for root from 222.186.180.9 port 16148 ssh2
...

12/21/2019-12:22:36.752867 185.176.27.30 Protocol: 6 ET DROP Dshield Block Listed Source group 1

2019-12-21T08:21:37.060083shield sshd\[24902\]: Invalid user proxy from 5.196.68.145 port 45626
2019-12-21T08:21:37.064500shield sshd\[24902\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ns378266.ip-5-196-68.eu
2019-12-21T08:21:39.138537shield sshd\[24902\]: Failed password for invalid user proxy from 5.196.68.145 port 45626 ssh2
2019-12-21T08:22:01.588686shield sshd\[25083\]: Invalid user prueba from 5.196.68.145 port 58856
2019-12-21T08:22:01.592703shield sshd\[25083\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ns378266.ip-5-196-68.eu

Dec 21 07:24:30 grey postfix/smtpd\[17040\]: NOQUEUE: reject: RCPT from unknown\[114.237.109.164\]: 554 5.7.1 Service unavailable\; Client host \[114.237.109.164\] blocked using truncate.gbudb.net\; http://www.gbudb.com/truncate/ \[114.237.109.164\]\; from=\ to=\ proto=ESMTP helo=\
...

Dec 20 07:29:40 m1 sshd[29775]: Invalid user zabbix from 106.13.191.19
Dec 20 07:29:41 m1 sshd[29775]: Failed password for invalid user zabbix from 106.13.191.19 port 40788 ssh2
Dec 20 07:41:13 m1 sshd[2489]: Failed password for r.r from 106.13.191.19 port 37064 ssh2


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=106.13.191.19

Dec 21 15:15:50 server sshd\[24459\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.88.112.59  user=root
Dec 21 15:15:52 server sshd\[24459\]: Failed password for root from 49.88.112.59 port 23299 ssh2
Dec 21 15:15:55 server sshd\[24459\]: Failed password for root from 49.88.112.59 port 23299 ssh2
Dec 21 15:15:59 server sshd\[24459\]: Failed password for root from 49.88.112.59 port 23299 ssh2
Dec 21 15:16:02 server sshd\[24459\]: Failed password for root from 49.88.112.59 port 23299 ssh2
...

Lines containing failures of 82.146.59.215
Dec 21 06:17:36 jarvis sshd[15462]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=82.146.59.215  user=r.r
Dec 21 06:17:38 jarvis sshd[15462]: Failed password for r.r from 82.146.59.215 port 45634 ssh2
Dec 21 06:17:40 jarvis sshd[15462]: Received disconnect from 82.146.59.215 port 45634:11: Bye Bye [preauth]
Dec 21 06:17:40 jarvis sshd[15462]: Disconnected from authenticating user r.r 82.146.59.215 port 45634 [preauth]
Dec 21 06:29:50 jarvis sshd[17455]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=82.146.59.215  user=mysql
Dec 21 06:29:52 jarvis sshd[17455]: Failed password for mysql from 82.146.59.215 port 46032 ssh2
Dec 21 06:29:53 jarvis sshd[17455]: Received disconnect from 82.146.59.215 port 46032:11: Bye Bye [preauth]
Dec 21 06:29:53 jarvis sshd[17455]: Disconnected from authenticating user mysql 82.146.59.215 port 46032 [preauth]
Dec 21 0........
------------------------------

Dec 21 10:15:51 mc1 kernel: \[1078562.399713\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:11:a9:7b:d2:74:7f:6e:37:e3:08:00 SRC=185.153.198.211 DST=159.69.205.51 LEN=40 TOS=0x00 PREC=0x00 TTL=241 ID=14976 PROTO=TCP SPT=45423 DPT=33389 WINDOW=1024 RES=0x00 SYN URGP=0 
Dec 21 10:16:19 mc1 kernel: \[1078590.485714\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:11:a9:7b:d2:74:7f:6e:37:e3:08:00 SRC=185.153.198.211 DST=159.69.205.51 LEN=40 TOS=0x00 PREC=0x00 TTL=241 ID=57890 PROTO=TCP SPT=45423 DPT=33399 WINDOW=1024 RES=0x00 SYN URGP=0 
Dec 21 10:18:39 mc1 kernel: \[1078730.690662\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:11:a9:7b:d2:74:7f:6e:37:e3:08:00 SRC=185.153.198.211 DST=159.69.205.51 LEN=40 TOS=0x00 PREC=0x00 TTL=241 ID=19805 PROTO=TCP SPT=45423 DPT=33893 WINDOW=1024 RES=0x00 SYN URGP=0 
...

Dec 21 06:25:02 *** sshd[16243]: Invalid user jakola from 94.177.254.67