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๐ฉ๐ช
F242
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Wordpress Login or XMLRPC abuse
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Web App Attack
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๐ฌ๐ง
Mendip_Defender
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Apr 23 06:27:18 jackstringer postfix/smtpd[2366831]: warning: unknown[212.56.49.139]: SASL CRAM-MD5 ...
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Apr 23 06:27:18 jackstringer postfix/smtpd[2366831]: warning: unknown[212.56.49.139]: SASL CRAM-MD5 authentication failed: authentication failure, [email protected]
Apr 23 06:27:18 jackstringer postfix/smtpd[2366831]: warning: unknown[212.56.49.139]: SASL PLAIN authentication failed: authentication failure, [email protected]
...
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Brute-Force
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๐จ๐ฟ
lp
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Email account brute force: 6 attempts were recorded from 212.56.49.139
2026-04-23T06:13:18+02:00 war ...
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Email account brute force: 6 attempts were recorded from 212.56.49.139
2026-04-23T06:13:18+02:00 warning: unknown[212.56.49.139]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-04-23T06:13:18+02:00 warning: unknown[212.56.49.139]: SASL LOGIN authentication failed: authentication failure, [email protected]
2026-04-23T06:13:20+02:00 warning: unknown[212.56.49.139]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-04-23T06:13:21+02:00 warning: unknown[212.56.49.139]: SASL LOGIN authentication failed: authentication failure, [email protected]
2026-04-23T06:13:48+02:00 warning: unknown[212.56.49.139]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-04-23T06:13:48+02:00 warning: unknown[212.56.49.139]: SASL LOGIN
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Brute-Force
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๐จ๐ฟ
huginet
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2026-04-23T06:13:21.213239 hugo.huginet.net postfix/smtps/smtpd[48917]: warning: unknown[212.56.49.1 ...
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2026-04-23T06:13:21.213239 hugo.huginet.net postfix/smtps/smtpd[48917]: warning: unknown[212.56.49.139]: SASL PLAIN authentication failed: (reason unavailable), sasl_username=jana.filcakova
2026-04-23T06:13:27.458686 hugo.huginet.net postfix/smtps/smtpd[48917]: warning: unknown[212.56.49.139]: SASL LOGIN authentication failed: (reason unavailable), sasl_username=jana.filcakova
...
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Email Spam
Brute-Force
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๐บ๐ธ
bigscoots.com
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(smtpauth) Failed SMTP AUTH login from 212.56.49.139 (CA/Canada/-): 5 in the last 3600 secs; Ports: ...
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(smtpauth) Failed SMTP AUTH login from 212.56.49.139 (CA/Canada/-): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-04-22 22:21:02 dovecot_plain authenticator failed for H=([10.10.18.62]) [212.56.49.139]:19713: 535 Incorrect authentication data ([email protected])
2026-04-22 22:21:08 dovecot_login authenticator failed for H=([10.10.18.62]) [212.56.49.139]:19713: 535 Incorrect authentication data ([email protected])
2026-04-22 22:21:14 dovecot_plain authenticator failed for H=([10.10.18.62]) [212.56.49.139]:47060: 535 Incorrect authentication data ([email protected])
2026-04-22 22:21:20 dovecot_login authenticator failed for H=([10.10.18.62]) [212.56.49.139]:47060: 535 Incorrect authentication data ([email protected])
2026-04-22 22:21:31 dovecot_plain authenticator failed for H=([10.10.18.62]) [212.56.49.139]:8050: 535 Incorrect authentication data ([email protected])
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Brute-Force
SSH
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๐ท๐ธ
Smel
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Mail/25/465/587-993/995 Probe, Reject, BadAuth, Hack, SPAM -
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Email Spam
Hacking
Brute-Force
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๐บ๐ธ
bigscoots.com
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(smtpauth) Failed SMTP AUTH login from 212.56.49.139 (CA/Canada/-): 5 in the last 3600 secs; Ports: ...
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(smtpauth) Failed SMTP AUTH login from 212.56.49.139 (CA/Canada/-): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-04-03 10:24:11 dovecot_plain authenticator failed for H=([10.10.18.123]) [212.56.49.139]:50298: 535 Incorrect authentication data ([email protected])
2026-04-03 10:24:17 dovecot_login authenticator failed for H=([10.10.18.123]) [212.56.49.139]:50298: 535 Incorrect authentication data ([email protected])
2026-04-03 10:24:24 dovecot_plain authenticator failed for H=([10.10.18.123]) [212.56.49.139]:37704: 535 Incorrect authentication data ([email protected])
2026-04-03 10:24:26 dovecot_login authenticator failed for H=([10.10.18.123]) [212.56.49.139]:37704: 535 Incorrect authentication data ([email protected])
2026-04-03 10:24:34 dovecot_plain authenticator failed for H=([10.10.18.123]) [212.56.49.139]:47202: 535 Incorrect authentication data ([email protected])
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Brute-Force
SSH
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๐ท๐ธ
Smel
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Mail/25/465/587-993/995 Probe, Reject, BadAuth, Hack, SPAM -
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Email Spam
Hacking
Brute-Force
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๐ณ๐ฑ
dbelm
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RdpGuard detected brute-force attempt on SMTP
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Brute-Force
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๐ซ๐ท
UM3
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Exim Auth Failed
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Brute-Force
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๐ฉ๐ช
filstal.org
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CrowdSec-Report: crowdsecurity/postfix-spam
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Email Spam
Brute-Force
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๐บ๐ธ
bigscoots.com
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(smtpauth) Failed SMTP AUTH login from 212.56.49.139 (CA/Canada/-): 5 in the last 3600 secs; Ports: ...
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(smtpauth) Failed SMTP AUTH login from 212.56.49.139 (CA/Canada/-): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-03-26 22:25:46 dovecot_plain authenticator failed for H=([10.10.18.185]) [212.56.49.139]:22637: 535 Incorrect authentication data ([email protected])
2026-03-26 22:25:52 dovecot_login authenticator failed for H=([10.10.18.185]) [212.56.49.139]:22637: 535 Incorrect authentication data ([email protected])
2026-03-26 22:25:58 dovecot_plain authenticator failed for H=([10.10.18.185]) [212.56.49.139]:40097: 535 Incorrect authentication data ([email protected])
2026-03-26 22:26:04 dovecot_login authenticator failed for H=([10.10.18.185]) [212.56.49.139]:40097: 535 Incorrect authentication data ([email protected])
2026-03-26 22:26:16 dovecot_plain authenticator failed for H=([10.10.18.185]) [212.56.49.139]:59450: 535 Incorrect authentication data ([email protected])
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Brute-Force
SSH
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Anonymous
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Brute Force User Attack SMTP
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Brute-Force
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๐จ๐ฟ
lp
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Email account brute force: 4 attempts were recorded from 212.56.49.139
2026-03-12T02:17:51+01:00 war ...
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Email account brute force: 4 attempts were recorded from 212.56.49.139
2026-03-12T02:17:51+01:00 warning: unknown[212.56.49.139]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-03-12T02:17:52+01:00 warning: unknown[212.56.49.139]: SASL LOGIN authentication failed: authentication failure, [email protected]
2026-03-12T02:17:52+01:00 warning: unknown[212.56.49.139]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-03-12T02:17:53+01:00 warning: unknown[212.56.49.139]: SASL LOGIN authentication failed: authentication failure, [email protected]
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Brute-Force
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๐บ๐ธ
jfz-abuse
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fail2ban: postfix-sasl
...
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Brute-Force
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