🇧🇷
ICS Labs
2026-05-28 19:47:15
(3 weeks ago)
ICS Labs identified 212.56.49.169 as a malicious indicator from threat intelligence.
DDoS Attack
Hacking
Exploited Host
🇷🇴
SpamStopper
2026-04-23 21:04:16
(1 month ago)
Apr 24 00:04:03 mailserver postfix/submission/smtpd[127751]: warning: unknown[212.56.49.169]: SASL P ...
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Apr 24 00:04:03 mailserver postfix/submission/smtpd[127751]: warning: unknown[212.56.49.169]: SASL PLAIN authentication failed:
Apr 24 00:04:09 mailserver postfix/submission/smtpd[127751]: warning: unknown[212.56.49.169]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Apr 24 00:04:16 mailserver postfix/smtps/smtpd[128555]: warning: unknown[212.56.49.169]: SASL PLAIN authentication failed:
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Brute-Force
Bad Web Bot
🇺🇸
bigscoots.com
2026-04-23 20:55:44
(1 month ago)
(smtpauth) Failed SMTP AUTH login from 212.56.49.169 (CA/Canada/-): 5 in the last 3600 secs; Ports: ...
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(smtpauth) Failed SMTP AUTH login from 212.56.49.169 (CA/Canada/-): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-04-23 16:55:11 dovecot_plain authenticator failed for H=([10.10.18.34]) [212.56.49.169]:21231: 535 Incorrect authentication data ([email protected] )
2026-04-23 16:55:17 dovecot_login authenticator failed for H=([10.10.18.34]) [212.56.49.169]:21231: 535 Incorrect authentication data ([email protected] )
2026-04-23 16:55:25 dovecot_plain authenticator failed for H=([10.10.18.34]) [212.56.49.169]:54337: 535 Incorrect authentication data ([email protected] )
2026-04-23 16:55:28 dovecot_login authenticator failed for H=([10.10.18.34]) [212.56.49.169]:54337: 535 Incorrect authentication data ([email protected] )
2026-04-23 16:55:44 dovecot_plain authenticator failed for H=([10.10.18.34]) [212.56.49.169]:55072: 535 Incorrect authentication data ([email protected] )
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Brute-Force
SSH
2026-04-11 04:31:25
(2 months ago)
Failed login attempt detected by Fail2Ban in plesk-postfix jail
Brute-Force
🇪🇸
Nudisco
2026-04-11 00:10:02
(2 months ago)
Brute-Force
🇳🇱
e.fierstra
2026-04-10 23:31:53
(2 months ago)
Failed SMTP logins
Brute-Force
🇺🇸
jfz-abuse
2026-04-10 23:12:29
(2 months ago)
fail2ban: postfix-sasl
...
Brute-Force
🇮🇹
Progetto1
2026-04-06 16:08:02
(2 months ago)
Mail - Multiple failed login attempts
Brute-Force
Exploited Host
🇷🇸
Smel
2026-04-03 19:48:51
(2 months ago)
Mail/25/465/587-993/995 Probe, Reject, BadAuth, Hack, SPAM -
Email Spam
Hacking
Brute-Force
2026-03-27 09:45:00
(2 months ago)
Brute Force User Attack SMTP
Brute-Force
🇨🇿
lp
2026-03-27 08:50:31
(2 months ago)
Email account brute force: 10 attempts were recorded from 212.56.49.169
2026-03-27T08:16:22+01:00 wa ...
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Email account brute force: 10 attempts were recorded from 212.56.49.169
2026-03-27T08:16:22+01:00 warning: unknown[212.56.49.169]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-03-27T08:16:22+01:00 warning: unknown[212.56.49.169]: SASL LOGIN authentication failed: authentication failure, [email protected]
2026-03-27T08:16:23+01:00 warning: unknown[212.56.49.169]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-03-27T08:16:23+01:00 warning: unknown[212.56.49.169]: SASL LOGIN authentication failed: authentication failure, [email protected]
2026-03-27T09:00:49+01:00 warning: unknown[212.56.49.169]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-03-27T09:00:49+01:00 warning: unknown[212.56.49.169]: SASL LOGIN authentication failed: authe
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Brute-Force
🇫🇷
ISPLtd
2026-03-27 08:44:08
(2 months ago)
Mar 27 05:44:05 212.56.49.169 TCP SPT=3590 DPT=2525 SYN
Mar 27 05:44:06 212.56.49.169 TCP SPT=3590 D ...
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Mar 27 05:44:05 212.56.49.169 TCP SPT=3590 DPT=2525 SYN
Mar 27 05:44:06 212.56.49.169 TCP SPT=3590 DPT=2525 SYN
Mar 27 05:44:08 212.56.49.169 TCP SPT=3590 DPT
...
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Port Scan
🇦🇺
Asimar
2026-03-27 08:10:31
(2 months ago)
(smtpauth) Failed SMTP AUTH login from 212.56.49.169 (CA/Canada/-)
Brute-Force
2026-03-27 08:00:14
(2 months ago)
(smtpauth) Failed SMTP AUTH login from 212.56.49.169 (CA/Canada/-)
Brute-Force
🇺🇸
bigscoots.com
2026-03-27 07:30:56
(2 months ago)
(smtpauth) Failed SMTP AUTH login from 212.56.49.169 (CA/Canada/-): 5 in the last 3600 secs; Ports: ...
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(smtpauth) Failed SMTP AUTH login from 212.56.49.169 (CA/Canada/-): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-03-27 03:13:51 dovecot_plain authenticator failed for H=([10.10.18.18]) [212.56.49.169]:59303: 535 Incorrect authentication data ([email protected] )
2026-03-27 03:13:57 dovecot_login authenticator failed for H=([10.10.18.18]) [212.56.49.169]:59303: 535 Incorrect authentication data ([email protected] )
2026-03-27 03:30:40 dovecot_plain authenticator failed for H=([10.10.18.122]) [212.56.49.169]:16711: 535 Incorrect authentication data ([email protected] )
2026-03-27 03:30:46 dovecot_login authenticator failed for H=([10.10.18.122]) [212.56.49.169]:16711: 535 Incorrect authentication data ([email protected] )
2026-03-27 03:30:52 dovecot_plain authenticator failed for H=([10.10.18.122]) [212.56.49.169]:32863: 535 Incorrect authentication data ([email protected] )
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Brute-Force
SSH