Anonymous
2026-07-17 16:30:12
(1 week ago)
Failed login attempt detected by Fail2Ban in plesk-postfix jail
Brute-Force
π§π·
Caue Henrique
2026-07-03 17:52:00
(3 weeks ago)
Web Spam
Web App Attack
Anonymous
2026-06-27 04:30:05
(1 month ago)
Failed login attempt detected by Fail2Ban in plesk-postfix jail
Brute-Force
πΊπΈ
bigscoots.com
2026-06-27 02:18:13
(1 month ago)
(PERMBLOCK) 74.249.194.12 (US/United States/-) has had more than 4 temp blocks in the last 86400 sec ...
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(PERMBLOCK) 74.249.194.12 (US/United States/-) has had more than 4 temp blocks in the last 86400 secs; Ports: *; Direction: 1; Trigger: LF_PERMBLOCK_COUNT; Logs:
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Brute-Force
SSH
πΊπΈ
bigscoots.com
2026-06-27 01:56:05
(1 month ago)
(smtpauth) Failed SMTP AUTH login from 74.249.194.12 (US/United States/-): 5 in the last 3600 secs; ...
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(smtpauth) Failed SMTP AUTH login from 74.249.194.12 (US/United States/-): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-06-26 21:50:36 dovecot_login authenticator failed for H=(ADMIN) [74.249.194.12]:46794: 535 Incorrect authentication data
2026-06-26 21:51:54 dovecot_login authenticator failed for H=(ADMIN) [74.249.194.12]:45826: 535 Incorrect authentication data ([email protected] )
2026-06-26 21:52:04 dovecot_login authenticator failed for H=(ADMIN) [74.249.194.12]:45828: 535 Incorrect authentication data ([email protected] )
2026-06-26 21:52:16 dovecot_login authenticator failed for H=(ADMIN) [74.249.194.12]:55360: 535 Incorrect authentication data
2026-06-26 21:56:00 dovecot_login authenticator failed for H=(ADMIN) [74.249.194.12]:38824: 535 Incorrect authentication data ([email protected] )
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Brute-Force
SSH
πΊπΈ
hostmach
2026-06-27 01:53:07
(1 month ago)
(smtpauth) Failed SMTP AUTH login from 74.249.194.12 (US/United States/-): 5 in the last 3600 secs; ...
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(smtpauth) Failed SMTP AUTH login from 74.249.194.12 (US/United States/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-06-27 01:36:41 dovecot_login authenticator failed for H=(ADMIN) [74.249.194.12]:43034: 535 Incorrect authentication data ([email protected] )
2026-06-27 01:41:00 dovecot_login authenticator failed for H=(ADMIN) [74.249.194.12]:57096: 535 Incorrect authentication data ([email protected] )
2026-06-27 01:45:13 dovecot_login authenticator failed for H=(ADMIN) [74.249.194.12]:45498: 535 Incorrect authentication data ([email protected] )
2026-06-27 01:49:04 dovecot_login authenticator failed for H=(ADMIN) [74.249.194.12]:54566: 535 Incorrect authentication data ([email protected] )
2026-06-27 01:53:04 dovecot_login authenticator failed for H=(ADMIN) [74.249.194.12]:44804: 535 Incorrect authentication data ([email protected] )
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Brute-Force
SSH
π§π·
hostseries
2026-06-27 01:40:20
(1 month ago)
Trigger: LF_SMTPAUTH
Brute-Force
πΊπΈ
brianbgv
2026-06-27 01:40:16
(1 month ago)
Dovecot mail abuse detected by Fail2Ban
Port Scan
Hacking
SSH
πΊπΈ
bigscoots.com
2026-06-27 01:38:38
(1 month ago)
(smtpauth) Failed SMTP AUTH login from 74.249.194.12 (US/United States/-): 5 in the last 3600 secs; ...
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(smtpauth) Failed SMTP AUTH login from 74.249.194.12 (US/United States/-): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-06-26 20:39:21 dovecot_login authenticator failed for H=(ADMIN) [74.249.194.12]:43314: 535 Incorrect authentication data ([email protected] )
2026-06-26 21:26:37 dovecot_login authenticator failed for H=(ADMIN) [74.249.194.12]:46760: 535 Incorrect authentication data ([email protected] )
2026-06-26 21:35:53 dovecot_login authenticator failed for H=(ADMIN) [74.249.194.12]:57738: 535 Incorrect authentication data ([email protected] )
2026-06-26 21:38:01 dovecot_login authenticator failed for H=(ADMIN) [74.249.194.12]:53774: 535 Incorrect authentication data ([email protected] )
2026-06-26 21:38:37 dovecot_login authenticator failed for H=(ADMIN) [74.249.194.12]:40406: 535 Incorrect authentication data ([email protected] )
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Brute-Force
SSH
π§π·
SvrAdmin
2026-06-27 01:37:32
(1 month ago)
[315] (smtpauth) Failed SMTP AUTH login from 74.249.194.12 (US/United States/-): 5 in the last 3600 ...
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[315] (smtpauth) Failed SMTP AUTH login from 74.249.194.12 (US/United States/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: Jun 26 21:54:44 cwp01 postfix/smtpd[5511]: warning: unknown[74.249.194.12]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 26 22:26:38 cwp01 postfix/smtpd[8622]: warning: unknown[74.249.194.12]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 26 22:31:21 cwp01 postfix/smtpd[9058]: warning: unknown[74.249.194.12]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 26 22:35:40 cwp01 postfix/smtpd[9589]: warning: unknown[74.249.194.12]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 26 22:37:30 cwp01 postfix/smtpd[9700]: warning: unknown[74.249.194.12]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
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Port Scan
Hacking
Brute-Force
Exploited Host
πΊπΈ
vandomatos
2026-06-27 01:05:24
(1 month ago)
Jun 26 11:29:42 servidor postfix/smtps/smtpd[1468549]: warning: unknown[74.249.194.12]: SASL LOGIN a ...
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Jun 26 11:29:42 servidor postfix/smtps/smtpd[1468549]: warning: unknown[74.249.194.12]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 26 15:52:49 servidor postfix/smtps/smtpd[1492156]: warning: unknown[74.249.194.12]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 26 18:05:19 servidor postfix/smtps/smtpd[1503994]: warning: unknown[74.249.194.12]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
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Phishing
Web Spam
Email Spam
Hacking
Spoofing
Brute-Force
Bad Web Bot
Anonymous
2026-06-26 20:22:02
(1 month ago)
BruteForce IMAP/POP3/SMTP
Brute-Force
π¨π¦
Julio Covolato
2026-06-26 14:30:02
(1 month ago)
Imap or Submission login brute-force attacks.
Brute-Force
π§π·
SvrAdmin
2026-06-26 14:21:04
(1 month ago)
[101] (smtpauth) Failed SMTP AUTH login from 74.249.194.12 (US/United States/-): 5 in the last 3600 ...
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[101] (smtpauth) Failed SMTP AUTH login from 74.249.194.12 (US/United States/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-06-26 10:50:54 dovecot_login authenticator failed for H=(ADMIN) [74.249.194.12]:60996: 535 Incorrect authentication data ([email protected] )
2026-06-26 11:03:33 dovecot_login authenticator failed for H=(ADMIN) [74.249.194.12]:49056: 535 Incorrect authentication data ([email protected] )
2026-06-26 11:11:11 dovecot_login authenticator failed for H=(ADMIN) [74.249.194.12]:34600: 535 Incorrect authentication data ([email protected] )
2026-06-26 11:20:50 dovecot_login authenticator failed for H=(ADMIN) [74.249.194.12]:40434: 535 Incorrect authentication data ([email protected] )
2026-06-26 11:21:01 dovecot_login authenticator failed for H=(ADMIN) [74.249.194.12]:56262: 535 Incorrect authentication data ([email protected] )
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Port Scan
Hacking
Brute-Force
Exploited Host