๐ฉ๐ช
eebh.hu
2026-04-21 14:05:35
(2 months ago)
Apr 21 16:05:18 mail postfix/submission/smtpd[892261]: warning: unknown[212.56.49.138]: SASL PLAIN a ...
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Apr 21 16:05:18 mail postfix/submission/smtpd[892261]: warning: unknown[212.56.49.138]: SASL PLAIN authentication failed: (reason unavailable), [email protected]
Apr 21 16:05:24 mail postfix/submission/smtpd[892261]: warning: unknown[212.56.49.138]: SASL LOGIN authentication failed: (reason unavailable), [email protected]
Apr 21 16:05:35 mail postfix/smtps/smtpd[892298]: warning: unknown[212.56.49.138]: SASL PLAIN authentication failed: (reason unavailable), [email protected]
...
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Brute-Force
๐ฉ๐ช
SwinT
2026-04-21 14:00:09
(2 months ago)
SMTP brute-force detected by Fail2Ban in plesk-postfix jail
Email Spam
Brute-Force
๐จ๐ฟ
lp
2026-04-20 16:08:51
(2 months ago)
Email account brute force: 6 attempts were recorded from 212.56.49.138
2026-04-17T01:06:16+02:00 war ...
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Email account brute force: 6 attempts were recorded from 212.56.49.138
2026-04-17T01:06:16+02:00 warning: unknown[212.56.49.138]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-04-17T01:06:16+02:00 warning: unknown[212.56.49.138]: SASL LOGIN authentication failed: authentication failure, [email protected]
2026-04-17T01:06:20+02:00 warning: unknown[212.56.49.138]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-04-17T01:06:20+02:00 warning: unknown[212.56.49.138]: SASL LOGIN authentication failed: authentication failure, [email protected]
2026-04-17T01:06:30+02:00 warning: unknown[212.56.49.138]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-04-17T01:06:30+02:00 warning: unknown[212.56.49.138]: SASL LOGIN authentication failed: authenticat
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Brute-Force
๐ซ๐ท
ISPLtd
2026-04-19 01:17:03
(2 months ago)
Apr 18 22:17:00 212.56.49.138 TCP SPT=22700 DPT=2525 SYN
Apr 18 22:17:01 212.56.49.138 TCP SPT=22700 ...
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Apr 18 22:17:00 212.56.49.138 TCP SPT=22700 DPT=2525 SYN
Apr 18 22:17:01 212.56.49.138 TCP SPT=22700 DPT=2525 SYN
Apr 18 22:17:03 212.56.49.138 TCP SPT=22700
...
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Port Scan
๐บ๐ธ
bigscoots.com
2026-04-17 00:18:12
(2 months ago)
(smtpauth) Failed SMTP AUTH login from 212.56.49.138 (CA/Canada/-): 5 in the last 3600 secs; Ports: ...
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(smtpauth) Failed SMTP AUTH login from 212.56.49.138 (CA/Canada/-): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-04-16 20:17:58 dovecot_plain authenticator failed for H=([10.9.238.250]) [212.56.49.138]:53781: 535 Incorrect authentication data ([email protected] )
2026-04-16 20:18:03 dovecot_plain authenticator failed for H=([10.9.238.250]) [212.56.49.138]:15496: 535 Incorrect authentication data ([email protected] )
2026-04-16 20:18:04 dovecot_login authenticator failed for H=([10.9.238.250]) [212.56.49.138]:53781: 535 Incorrect authentication data ([email protected] )
2026-04-16 20:18:09 dovecot_login authenticator failed for H=([10.9.238.250]) [212.56.49.138]:15496: 535 Incorrect authentication data ([email protected] )
2026-04-16 20:18:12 dovecot_plain authenticator failed for H=([10.9.238.250]) [212.56.49.138]:16085: 535 Incorrect authentication data ([email protected] )
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Brute-Force
SSH
๐ซ๐ท
UM3
2026-04-17 00:02:34
(2 months ago)
Exim Auth Failed
Brute-Force
๐ฉ๐ช
kreativstrecke
2026-04-16 12:27:53
(2 months ago)
2026-04-16T13:27:44.171960+01:00 srv03 postfix/smtps/smtpd[2029599]: lost connection after CONNECT f ...
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2026-04-16T13:27:44.171960+01:00 srv03 postfix/smtps/smtpd[2029599]: lost connection after CONNECT from unknown[212.56.49.138]
2026-04-16T13:27:46.094317+01:00 srv03 postfix/smtps/smtpd[2029593]: warning: unknown[212.56.49.138]: SASL PLAIN authentication failed: (reason unavailable), [email protected]
2026-04-16T13:27:52.292329+01:00 srv03 postfix/smtps/smtpd[2029593]: warning: unknown[212.56.49.138]: SASL LOGIN authentication failed: (reason unavailable), [email protected]
...
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Brute-Force
๐ฉ๐ช
tinect
2026-04-16 12:15:15
(2 months ago)
Gets ban for 4h for triggering crowdsecurity/dovecot-spam at root1.
Web App Attack
๐จ๐ฆ
Julio Covolato
2026-04-16 11:45:02
(2 months ago)
Imap or Submission login brute-force attacks.
Brute-Force
๐ณ๐ฑ
Sonar
2026-04-15 22:02:54
(2 months ago)
Bad_host
Brute-Force
๐ฎ๐ฉ
xveil
2026-04-15 22:01:51
(2 months ago)
2026-04-16T05:01:48.777114 mail-honeypot postfix/submission/smtpd[17323]: warning: unknown[212.56.49 ...
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2026-04-16T05:01:48.777114 mail-honeypot postfix/submission/smtpd[17323]: warning: unknown[212.56.49.138]: SASL PLAIN authentication failed: authentication failure
...
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Brute-Force
๐บ๐ธ
bigscoots.com
2026-04-15 21:30:43
(2 months ago)
(smtpauth) Failed SMTP AUTH login from 212.56.49.138 (CA/Canada/-): 5 in the last 3600 secs; Ports: ...
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(smtpauth) Failed SMTP AUTH login from 212.56.49.138 (CA/Canada/-): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-04-15 17:30:12 dovecot_plain authenticator failed for H=([10.9.18.80]) [212.56.49.138]:6211: 535 Incorrect authentication data ([email protected] )
2026-04-15 17:30:18 dovecot_login authenticator failed for H=([10.9.18.80]) [212.56.49.138]:6211: 535 Incorrect authentication data ([email protected] )
2026-04-15 17:30:24 dovecot_plain authenticator failed for H=([10.9.18.80]) [212.56.49.138]:27209: 535 Incorrect authentication data ([email protected] )
2026-04-15 17:30:30 dovecot_login authenticator failed for H=([10.9.18.80]) [212.56.49.138]:27209: 535 Incorrect authentication data ([email protected] )
2026-04-15 17:30:40 dovecot_plain authenticator failed for H=([10.9.18.80]) [212.56.49.138]:8719: 535 Incorrect authentication data ([email protected] )
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Brute-Force
SSH
๐ณ๐ฑ
Peter Touw
2026-03-27 17:30:00
(2 months ago)
212.56.49.138 2026-03-26 16:59:08 plain authenticator failed for ([10.9.18.17]) [212.56.49.138]: 535 ...
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212.56.49.138 2026-03-26 16:59:08 plain authenticator failed for ([10.9.18.17]) [212.56.49.138]: 535 Incorrect authentication data
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Brute-Force
๐ญ๐บ
Lacika555
2026-03-26 15:24:01
(2 months ago)
RdpGuard detected brute-force attempt on SMTP
Brute-Force
๐จ๐ฟ
lp
2026-03-25 11:50:54
(2 months ago)
Email account brute force: 12 attempts were recorded from 212.56.49.138
2026-03-25T11:25:42+01:00 wa ...
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Email account brute force: 12 attempts were recorded from 212.56.49.138
2026-03-25T11:25:42+01:00 warning: unknown[212.56.49.138]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-03-25T11:25:42+01:00 warning: unknown[212.56.49.138]: SASL LOGIN authentication failed: authentication failure, [email protected]
2026-03-25T11:25:43+01:00 warning: unknown[212.56.49.138]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-03-25T11:25:44+01:00 warning: unknown[212.56.49.138]: SASL LOGIN authentication failed: authentication failure, [email protected]
2026-03-25T11:25:51+01:00 warning: unknown[212.56.49.138]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-03-25T11:25:51+01:00 warning: unknown[212.56.49.138]: SASL LOGIN authentication failed: authe
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Brute-Force