Postfix Brute-Force reported by Fail2Ban

2020-09-16 09:34:03 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=john@nopcommerce.it\)
2020-09-16 09:35:11 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=john@nophost.com\)
2020-09-16 09:35:11 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=john@opso.it\)
2020-09-16 09:38:12 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=john@nopcommerce.it\)
2020-09-16 09:39:21 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=john@opso.it\)
2020-09-16 09:39:21 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=john@nophost.com\)

2020-09-16 01:34:31 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=john@nophost.com\)
2020-09-16 01:34:31 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=john@opso.it\)
2020-09-16 01:36:57 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=john@nopcommerce.it\)
2020-09-16 01:38:03 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=john@opso.it\)
2020-09-16 01:38:03 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=john@nophost.com\)

(smtpauth) Failed SMTP AUTH login from 45.95.168.96 (HR/Croatia/pr.predictams.live): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2020-09-14 19:10:50 login authenticator failed for pr.predictams.live (USER) [45.95.168.96]: 535 Incorrect authentication data (set_id=support@gabianosela.com)
2020-09-14 19:16:29 login authenticator failed for pr.predictams.live (USER) [45.95.168.96]: 535 Incorrect authentication data (set_id=support@overeem.finance)
2020-09-14 19:22:29 login authenticator failed for pr.predictams.live (USER) [45.95.168.96]: 535 Incorrect authentication data (set_id=support@citytijger.com)
2020-09-14 19:24:07 login authenticator failed for pr.predictams.live (USER) [45.95.168.96]: 535 Incorrect authentication data (set_id=support@ervaringen.org)
2020-09-14 19:32:56 login authenticator failed for pr.predictams.live (USER) [45.95.168.96]: 535 Incorrect authentication data (set_id=support@elitehosting.nl)

2020-09-14 11:15:04 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=student@opso.it\)
2020-09-14 11:15:04 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=student@nophost.com\)
2020-09-14 11:17:30 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=student@nopcommerce.it\)
2020-09-14 11:18:37 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=student@nophost.com\)
2020-09-14 11:18:37 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=student@opso.it\)

2020-09-13 15:41:18 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=orders@nopcommerce.it\)
2020-09-13 15:42:28 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=orders@nophost.com\)
2020-09-13 15:42:28 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=orders@opso.it\)
2020-09-13 15:45:32 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=orders@nopcommerce.it\)
2020-09-13 15:46:41 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=orders@opso.it\)
2020-09-13 15:46:41 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=orders@nophost.com\)

Sep 13 07:33:39 mail postfix/smtpd\[12925\]: warning: unknown\[45.95.168.96\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Sep 13 07:34:43 mail postfix/smtpd\[12890\]: warning: unknown\[45.95.168.96\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Sep 13 07:34:43 mail postfix/smtpd\[13344\]: warning: unknown\[45.95.168.96\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Sep 13 07:34:43 mail postfix/smtpd\[12925\]: warning: unknown\[45.95.168.96\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\

2020-09-12 23:24:15 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=orders@nopcommerce.it\)
2020-09-12 23:25:23 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=orders@opso.it\)
2020-09-12 23:25:23 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=orders@nophost.com\)
2020-09-12 23:27:48 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=orders@nopcommerce.it\)
2020-09-12 23:28:55 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=orders@opso.it\)
2020-09-12 23:28:55 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=orders@nophost.com\)

Attempted Brute Force (dovecot)

2020-09-12 08:23:07 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=orders@opso.it\)
2020-09-12 08:23:07 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=orders@nophost.com\)
2020-09-12 08:25:30 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=orders@nopcommerce.it\)
2020-09-12 08:26:36 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=orders@nophost.com\)
2020-09-12 08:26:36 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=orders@opso.it\)

(smtpauth) Failed SMTP AUTH login from 45.95.168.96 (HR/Croatia/pr.predictams.live): 5 in the last 3600 secs

2020-09-11 16:02:31 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=postgres@opso.it\)
2020-09-11 16:02:31 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=postgres@nophost.com\)
2020-09-11 16:04:57 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=postgres@nopcommerce.it\)
2020-09-11 16:06:05 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=postgres@opso.it\)
2020-09-11 16:06:05 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=postgres@nophost.com\)

2020-09-11 08:08:08 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=postgres@german-hoeffner.net\)
2020-09-11 08:08:08 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=postgres@yt.gl\)
2020-09-11 08:08:08 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=postgres@darkrp.com\)
2020-09-11 08:11:42 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=postgres@german-hoeffner.net\)
2020-09-11 08:11:42 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=postgres@yt.gl\)
2020-09-11 08:11:42 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(s
...

Sep 11 00:21:21 mail postfix/smtpd\[22771\]: warning: unknown\[45.95.168.96\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Sep 11 00:22:26 mail postfix/smtpd\[22771\]: warning: unknown\[45.95.168.96\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Sep 11 00:22:26 mail postfix/smtpd\[22816\]: warning: unknown\[45.95.168.96\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Sep 11 00:22:26 mail postfix/smtpd\[22815\]: warning: unknown\[45.95.168.96\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\

2020-09-10 14:05:46 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=usario@german-hoeffner.net\)
2020-09-10 14:05:46 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=usario@yt.gl\)
2020-09-10 14:05:46 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=usario@darkrp.com\)
2020-09-10 14:09:19 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=usario@yt.gl\)
2020-09-10 14:09:19 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=usario@darkrp.com\)
2020-09-10 14:09:19 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=usario@german
...

2020-09-10 05:55:13 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=usario@yt.gl\)
2020-09-10 05:55:13 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=usario@darkrp.com\)
2020-09-10 05:55:13 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=usario@german-hoeffner.net\)
2020-09-10 05:58:42 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=usario@yt.gl\)
2020-09-10 05:58:42 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=usario@darkrp.com\)
2020-09-10 05:58:42 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=usario@german
...

Sep  9 20:46:08 mail postfix/smtpd\[24499\]: warning: unknown\[45.95.168.96\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Sep  9 20:47:12 mail postfix/smtpd\[24499\]: warning: unknown\[45.95.168.96\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Sep  9 20:47:12 mail postfix/smtpd\[24656\]: warning: unknown\[45.95.168.96\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Sep  9 20:47:12 mail postfix/smtpd\[24453\]: warning: unknown\[45.95.168.96\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\

2020-09-09 19:38:26 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=usario@nophost.com\)
2020-09-09 19:38:26 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=usario@opso.it\)
2020-09-09 19:40:51 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=usario@nopcommerce.it\)
2020-09-09 19:41:59 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=usario@opso.it\)
2020-09-09 19:41:59 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=usario@nophost.com\)

2020-09-07 14:29:58 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=marketing@german-hoeffner.net\)
2020-09-07 14:29:58 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=marketing@darkrp.com\)
2020-09-07 14:29:58 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=marketing@yt.gl\)
2020-09-07 14:33:30 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=marketing@yt.gl\)
2020-09-07 14:33:30 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=marketing@darkrp.com\)
2020-09-07 14:33:30 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_i
...

Sep  7 06:44:07 mail postfix/smtpd\[19972\]: warning: unknown\[45.95.168.96\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Sep  7 06:45:10 mail postfix/smtpd\[19972\]: warning: unknown\[45.95.168.96\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Sep  7 06:45:10 mail postfix/smtpd\[20444\]: warning: unknown\[45.95.168.96\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Sep  7 06:45:10 mail postfix/smtpd\[19971\]: warning: unknown\[45.95.168.96\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\

2020-09-06 23:17:49 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=account@opso.it\)
2020-09-06 23:17:49 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=account@nophost.com\)
2020-09-06 23:20:15 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=account@nopcommerce.it\)
2020-09-06 23:21:23 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=account@opso.it\)
2020-09-06 23:21:23 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=account@nophost.com\)

2020-09-06T10:02:41.578651linuxbox-skyline auth[115562]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot ruser=support rhost=45.95.168.96
...

Sep  6 09:15:13 mail postfix/smtpd\[27658\]: warning: unknown\[45.95.168.96\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Sep  6 09:16:15 mail postfix/smtpd\[27658\]: warning: unknown\[45.95.168.96\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Sep  6 09:16:15 mail postfix/smtpd\[27676\]: warning: unknown\[45.95.168.96\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Sep  6 09:16:15 mail postfix/smtpd\[27659\]: warning: unknown\[45.95.168.96\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\

2020-09-06 01:14:26 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=account@opso.it\)
2020-09-06 01:14:26 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=account@nophost.com\)
2020-09-06 01:16:53 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=account@nopcommerce.it\)
2020-09-06 01:18:00 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=account@nophost.com\)
2020-09-06 01:18:00 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=account@opso.it\)

Sep  4 10:32:43 mail postfix/smtpd\[13444\]: warning: unknown\[45.95.168.96\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Sep  4 10:33:51 mail postfix/smtpd\[13049\]: warning: unknown\[45.95.168.96\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Sep  4 10:33:51 mail postfix/smtpd\[13444\]: warning: unknown\[45.95.168.96\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Sep  4 10:33:51 mail postfix/smtpd\[13030\]: warning: unknown\[45.95.168.96\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\

2020-09-03 18:53:28 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=billing@german-hoeffner.net\)
2020-09-03 18:53:28 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=billing@darkrp.com\)
2020-09-03 18:53:28 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=billing@yt.gl\)
2020-09-03 18:57:00 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=billing@darkrp.com\)
2020-09-03 19:00:32 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=billing@darkrp.com\)
...

2020-09-03 10:24:00 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=billing@nopcommerce.it\)
2020-09-03 10:25:09 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=billing@nophost.com\)
2020-09-03 10:25:09 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=billing@opso.it\)
2020-09-03 10:27:34 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=billing@nopcommerce.it\)
2020-09-03 10:28:41 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=billing@opso.it\)
2020-09-03 10:28:41 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=billing@nophost.com\)

2020-09-03 02:28:26 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=billing@opso.it\)
2020-09-03 02:28:26 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=billing@nophost.com\)
2020-09-03 02:32:22 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=billing@nopcommerce.it\)
2020-09-03 02:33:00 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=no-reply@opso.it\)
2020-09-03 02:33:13 dovecot_login authenticator failed for pr.predictams.live \(USER\) \[45.95.168.96\]: 535 Incorrect authentication data \(set_id=no-reply@nopcommerce.it\)

(smtpauth) Failed SMTP AUTH login from 45.95.168.96 (HR/Croatia/pr.predictams.live): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: 2020-09-02 16:59:57 login authenticator failed for pr.predictams.live (USER) [45.95.168.96]: 535 Incorrect authentication data (set_id=no-reply@mobarez.org)

2020-09-01T22:28:04.458459linuxbox-skyline auth[26042]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot ruser=no-reply rhost=45.95.168.96
...

2020-10-13T16:39:37.029405news0 sshd[21911]: User root from slot0.fitrellc.com not allowed because not listed in AllowUsers
2020-10-13T16:39:39.295180news0 sshd[21911]: Failed password for invalid user root from 45.95.168.141 port 36136 ssh2
2020-10-13T16:39:39.739886news0 sshd[21913]: Invalid user admin from 45.95.168.141 port 42028
...

" "

2020-10-12T01:59:00.670899correo.[domain] sshd[41096]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=slot0.fitrellc.com 2020-10-12T01:59:00.663236correo.[domain] sshd[41096]: Invalid user admin from 45.95.168.141 port 60254 2020-10-12T01:59:02.439731correo.[domain] sshd[41096]: Failed password for invalid user admin from 45.95.168.141 port 60254 ssh2 ...

Auto Fail2Ban report, multiple SSH login attempts.

 TCP (SYN) 45.95.168.141:58036 -> port 22, len 44

Oct  8 16:47:13 santamaria sshd\[31114\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.95.168.202  user=root
Oct  8 16:47:15 santamaria sshd\[31114\]: Failed password for root from 45.95.168.202 port 34650 ssh2
Oct  8 16:54:10 santamaria sshd\[31156\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.95.168.202  user=root
...

(sshd) Failed SSH login from 45.95.168.141 (HR/Croatia/slot0.fitrellc.com): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Oct  8 12:38:32 optimus sshd[8636]: Failed password for root from 45.95.168.141 port 45624 ssh2
Oct  8 12:38:33 optimus sshd[8707]: Invalid user admin from 45.95.168.141
Oct  8 12:38:35 optimus sshd[8707]: Failed password for invalid user admin from 45.95.168.141 port 52996 ssh2
Oct  8 12:38:36 optimus sshd[8727]: Invalid user admin from 45.95.168.141
Oct  8 12:38:38 optimus sshd[8727]: Failed password for invalid user admin from 45.95.168.141 port 59578 ssh2

SSH Honeypot -> SSH Bruteforce / Login

[portscan] tcp/22 [SSH]
[scan/connect: 3 time(s)]
in blocklist.de:'listed [*unkn*]'
in sorbs:'listed [*unkn*]'
in BlMailspike:'listed'
*(RWIN=65535)(10080947)

DATE:2020-10-07 10:13:22, IP:45.95.168.137, PORT:telnet Telnet brute force auth on honeypot server (honey-neo-dc)

Oct  7 22:59:32 hosting sshd[8711]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=slot0.fitrellc.com  user=root
Oct  7 22:59:34 hosting sshd[8711]: Failed password for root from 45.95.168.141 port 37332 ssh2
Oct  7 22:59:35 hosting sshd[8714]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=slot0.fitrellc.com  user=admin
Oct  7 22:59:37 hosting sshd[8714]: Failed password for admin from 45.95.168.141 port 42658 ssh2
Oct  7 22:59:37 hosting sshd[8717]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=slot0.fitrellc.com  user=admin
Oct  7 22:59:40 hosting sshd[8717]: Failed password for admin from 45.95.168.141 port 47530 ssh2
...

sshguard

DATE:2020-10-06 22:43:34, IP:45.95.168.137, PORT:telnet Telnet brute force auth on honeypot server (honey-neo-dc)

Failed password for invalid user admin from 45.95.168.141 port 48876 ssh2
Invalid user admin from 45.95.168.141 port 54688
pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=slot0.fitrellc.com
Invalid user admin from 45.95.168.141 port 54688
Failed password for invalid user admin from 45.95.168.141 port 54688 ssh2

 TCP (SYN) 45.95.168.148:37649 -> port 1883, len 44

Automatic report - XMLRPC Attack

149.202.19.146 - - \[29/Oct/2019:11:36:26 +0000\] "POST /wp-login.php HTTP/1.1" 200 4358 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
149.202.19.146 - - \[29/Oct/2019:11:36:27 +0000\] "POST /xmlrpc.php HTTP/1.1" 200 403 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
...

IP Ban Report :  
 https://help-dysk.pl/wordpress-firewall-plugins/ip/42.87.160.220/ 
 
 CN - 1H : (772)  
 Protection Against DDoS WordPress plugin :  
 "odzyskiwanie danych help-dysk" 
 IP Address Ranges by Country : CN 
 NAME ASN : ASN4837 
 
 IP : 42.87.160.220 
 
 CIDR : 42.86.0.0/15 
 
 PREFIX COUNT : 1262 
 
 UNIQUE IP COUNT : 56665856 
 
 
 ATTACKS DETECTED ASN4837 :  
  1H - 17 
  3H - 40 
  6H - 83 
 12H - 154 
 24H - 277 
 
 DateTime : 2019-10-29 12:36:00 
 
 INFO : Port Scan TELNET Detected and Blocked by ADMIN  - data recovery

Oct 29 11:18:32 TORMINT sshd\[14769\]: Invalid user sudirman from 123.207.142.208
Oct 29 11:18:32 TORMINT sshd\[14769\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.207.142.208
Oct 29 11:18:34 TORMINT sshd\[14769\]: Failed password for invalid user sudirman from 123.207.142.208 port 51108 ssh2
...

Port Scan

Automatic report - XMLRPC Attack

IP Ban Report :  
 https://help-dysk.pl/wordpress-firewall-plugins/ip/179.66.53.240/ 
 
 BR - 1H : (405)  
 Protection Against DDoS WordPress plugin :  
 "odzyskiwanie danych help-dysk" 
 IP Address Ranges by Country : BR 
 NAME ASN : ASN7738 
 
 IP : 179.66.53.240 
 
 CIDR : 179.66.0.0/18 
 
 PREFIX COUNT : 524 
 
 UNIQUE IP COUNT : 7709184 
 
 
 ATTACKS DETECTED ASN7738 :  
  1H - 1 
  3H - 1 
  6H - 2 
 12H - 3 
 24H - 3 
 
 DateTime : 2019-10-29 12:35:59 
 
 INFO : Port Scan TELNET Detected and Blocked by ADMIN  - data recovery

Oct 29 17:08:54 vps647732 sshd[20679]: Failed password for root from 149.202.210.31 port 56390 ssh2
Oct 29 17:12:32 vps647732 sshd[20829]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=149.202.210.31
...

Automatic report - XMLRPC Attack

TCP Port Scanning

Triggered by Fail2Ban at Ares web server

Postfix RBL failed

Oct 29 13:51:01 localhost sshd\[5710\]: Invalid user teamspeak3 from 18.139.117.61
Oct 29 13:51:01 localhost sshd\[5710\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=18.139.117.61
Oct 29 13:51:02 localhost sshd\[5710\]: Failed password for invalid user teamspeak3 from 18.139.117.61 port 54471 ssh2
Oct 29 13:58:46 localhost sshd\[6079\]: Invalid user ajax from 18.139.117.61
Oct 29 13:58:46 localhost sshd\[6079\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=18.139.117.61
...

2019-10-29T15:55:10.943351+00:00 suse sshd[30938]: User root from 222.186.173.142 not allowed because not listed in AllowUsers
2019-10-29T15:55:15.658322+00:00 suse sshd[30938]: error: PAM: Authentication failure for illegal user root from 222.186.173.142
2019-10-29T15:55:10.943351+00:00 suse sshd[30938]: User root from 222.186.173.142 not allowed because not listed in AllowUsers
2019-10-29T15:55:15.658322+00:00 suse sshd[30938]: error: PAM: Authentication failure for illegal user root from 222.186.173.142
2019-10-29T15:55:10.943351+00:00 suse sshd[30938]: User root from 222.186.173.142 not allowed because not listed in AllowUsers
2019-10-29T15:55:15.658322+00:00 suse sshd[30938]: error: PAM: Authentication failure for illegal user root from 222.186.173.142
2019-10-29T15:55:15.669938+00:00 suse sshd[30938]: Failed keyboard-interactive/pam for invalid user root from 222.186.173.142 port 39972 ssh2
...

Oct 29 16:41:59 XXX sshd[56340]: Invalid user ofsaa from 59.3.71.222 port 47086