๐ฌ๐ง
chrisw
2026-04-23 15:26:29
(1 month ago)
Apr 23 16:26:21 l03 postfix/smtpd[16193]: warning: unknown[140.228.24.99]: SASL PLAIN authentication ...
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Apr 23 16:26:21 l03 postfix/smtpd[16193]: warning: unknown[140.228.24.99]: SASL PLAIN authentication failed: authentication failure
Apr 23 16:26:23 l03 postfix/smtpd[16193]: warning: unknown[140.228.24.99]: SASL LOGIN authentication failed: authentication failure
Apr 23 16:26:26 l03 postfix/smtps/smtpd[15313]: warning: unknown[140.228.24.99]: SASL PLAIN authentication failed: authentication failure
Apr 23 16:26:28 l03 postfix/smtps/smtpd[15313]: warning: unknown[140.228.24.99]: SASL LOGIN authentication failed: authentication failure
...
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Web Spam
Brute-Force
Exploited Host
๐ง๐ท
SvrAdmin
2026-04-19 01:11:41
(1 month ago)
[101] (smtpauth) Failed SMTP AUTH login from 140.228.24.99 (CA/Canada/-): 5 in the last 3600 secs; P ...
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[101] (smtpauth) Failed SMTP AUTH login from 140.228.24.99 (CA/Canada/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-04-18 22:11:14 dovecot_plain authenticator failed for H=([10.42.18.231]) [140.228.24.99]:27713: 535 Incorrect authentication data ([email protected] )
2026-04-18 22:11:20 dovecot_login authenticator failed for H=([10.42.18.231]) [140.228.24.99]:27713: 535 Incorrect authentication data ([email protected] )
2026-04-18 22:11:27 dovecot_plain authenticator failed for H=([10.42.18.231]) [140.228.24.99]:25165: 535 Incorrect authentication data ([email protected] )
2026-04-18 22:11:29 dovecot_login authenticator failed for H=([10.42.18.231]) [140.228.24.99]:25165: 535 Incorrect authentication data ([email protected] )
2026-04-18 22:11:39 dovecot_plain authenticator failed for H=([10.42.18.231]) [140.228.24.99]:6335: 535 Incorrect authentication data ([email protected] )
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Port Scan
Hacking
Brute-Force
Exploited Host
๐น๐ญ
thaizone.com
2026-03-30 05:45:47
(2 months ago)
Mail credential brute-force attack (SM6) #1
Email Spam
Brute-Force
Anonymous
2026-03-30 05:44:11
(2 months ago)
2026-03-30T06:43:56.796681+01:00 mail.nb6.de postfix/smtps/smtpd[1902960]: warning: unknown[140.228. ...
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2026-03-30T06:43:56.796681+01:00 mail.nb6.de postfix/smtps/smtpd[1902960]: warning: unknown[140.228.24.99]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-03-30T06:43:59.201763+01:00 mail.nb6.de postfix/smtps/smtpd[1902960]: warning: unknown[140.228.24.99]: SASL LOGIN authentication failed: authentication failure, [email protected]
2026-03-30T06:43:59.304871+01:00 mail.nb6.de postfix/smtps/smtpd[1902960]: disconnect from unknown[140.228.24.99] ehlo=1 auth=0/2 quit=1 commands=2/4
2026-03-30T06:44:08.019567+01:00 mail.nb6.de postfix/smtpd[1903014]: warning: unknown[140.228.24.99]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-03-30T06:44:10.212799+01:00 mail.nb6.de postfix/smtpd[1903014]: warning: unknown[140.228.24.99]: SASL LOGIN authentication failed: authentication failure, [email protected]
...
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Brute-Force
๐จ๐ฟ
lp
2026-03-30 04:50:22
(2 months ago)
Email account brute force: 5 attempts were recorded from 140.228.24.99
2026-03-30T06:19:31+02:00 war ...
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Email account brute force: 5 attempts were recorded from 140.228.24.99
2026-03-30T06:19:31+02:00 warning: unknown[140.228.24.99]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-03-30T06:19:32+02:00 warning: unknown[140.228.24.99]: SASL LOGIN authentication failed: authentication failure, [email protected]
2026-03-30T06:19:33+02:00 warning: unknown[140.228.24.99]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-03-30T06:19:33+02:00 warning: unknown[140.228.24.99]: SASL LOGIN authentication failed: authentication failure, [email protected]
2026-03-30T06:19:46+02:00 warning: unknown[140.228.24.99]: SASL PLAIN authentication failed: authentication failure, [email protected]
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Brute-Force
๐น๐ท
rtbh.com.tr
2026-02-13 20:11:35
(4 months ago)
list.rtbh.com.tr report: tcp/0
Brute-Force
๐น๐ท
rtbh.com.tr
2026-02-12 20:11:31
(4 months ago)
list.rtbh.com.tr report: tcp/0
Brute-Force
๐ฎ๐น
alph44
2026-02-11 22:07:24
(4 months ago)
(smtpauth) Failed SMTP AUTH login from 140.228.24.99 (CA/Canada/-): 5 in the last 3600 secs; Ports: ...
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(smtpauth) Failed SMTP AUTH login from 140.228.24.99 (CA/Canada/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs:
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Brute-Force
๐ฎ๐ฉ
xveil
2026-02-11 18:52:11
(4 months ago)
2026-02-12T01:52:09.664350 mail-honeypot postfix/submission/smtpd[15379]: warning: unknown[140.228.2 ...
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2026-02-12T01:52:09.664350 mail-honeypot postfix/submission/smtpd[15379]: warning: unknown[140.228.24.99]: SASL PLAIN authentication failed: authentication failure
...
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Brute-Force
Anonymous
2026-02-11 17:48:54
(4 months ago)
24x Postfix SASL LOGIN authentication failed
Brute-Force
๐บ๐ธ
bigscoots.com
2026-02-11 17:07:36
(4 months ago)
(smtpauth) Failed SMTP AUTH login from 140.228.24.99 (CA/Canada/-): 5 in the last 3600 secs; Ports: ...
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(smtpauth) Failed SMTP AUTH login from 140.228.24.99 (CA/Canada/-): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-02-11 11:50:44 dovecot_plain authenticator failed for H=([10.42.18.140]) [140.228.24.99]:54272: 535 Incorrect authentication data ([email protected] )
2026-02-11 11:50:50 dovecot_login authenticator failed for H=([10.42.18.140]) [140.228.24.99]:54272: 535 Incorrect authentication data ([email protected] )
2026-02-11 11:50:56 dovecot_plain authenticator failed for H=([10.42.18.140]) [140.228.24.99]:12167: 535 Incorrect authentication data ([email protected] )
2026-02-11 11:51:02 dovecot_login authenticator failed for H=([10.42.18.140]) [140.228.24.99]:12167: 535 Incorrect authentication data ([email protected] )
2026-02-11 12:07:34 dovecot_plain authenticator failed for H=([10.42.18.140]) [140.228.24.99]:55351: 535 Incorrect authentication data ([email protected] )
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Brute-Force
SSH
๐ซ๐ฎ
danskefilm.dk
2026-02-11 17:07:01
(4 months ago)
SMTP login brute-force attempt.
Brute-Force
๐ฉ๐ช
neverdown.eu
2026-02-11 17:06:03
(4 months ago)
(smtpauth) Failed SMTP AUTH login from 140.228.24.99 (CA/Canada/-): 5 in the last 60 secs; Ports: *; ...
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(smtpauth) Failed SMTP AUTH login from 140.228.24.99 (CA/Canada/-): 5 in the last 60 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-02-11 19:05:37 dovecot_plain authenticator failed for H=([10.42.18.140]) [140.228.24.99]:50878: 535 Incorrect authentication data ([email protected] )
2026-02-11 19:05:43 dovecot_login authenticator failed for H=([10.42.18.140]) [140.228.24.99]:50878: 535 Incorrect authentication data ([email protected] )
2026-02-11 19:05:53 dovecot_plain authenticator failed for H=([10.42.18.140]) [140.228.24.99]:58454: 535 Incorrect authentication data ([email protected] )
2026-02-11 19:05:55 dovecot_login authenticator failed for H=([10.42.18.140]) [140.228.24.99]:58454: 535 Incorrect authentication data ([email protected] )
2026-02-11 19:05:57 dovecot_plain authenticator failed for H=([10.42.18.140]) [140.228.24.99]:12292: 535 Incorrect authentication data ([email protected] )
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Port Scan
๐ฆ๐บ
marshy.com.au
2026-02-11 16:52:11
(4 months ago)
(smtpauth) Failed SMTP AUTH login from 140.228.24.99 (US/United States/-): 5 in the last 3600 secs; ...
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(smtpauth) Failed SMTP AUTH login from 140.228.24.99 (US/United States/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-02-12 03:51:44 dovecot_plain authenticator failed for H=([10.42.18.140]) [140.228.24.99]:8249: 535 Incorrect authentication data ([email protected] )
2026-02-12 03:51:50 dovecot_login authenticator failed for H=([10.42.18.140]) [140.228.24.99]:8249: 535 Incorrect authentication data ([email protected] )
2026-02-12 03:51:57 dovecot_plain authenticator failed for H=([10.42.18.140]) [140.228.24.99]:53562: 535 Incorrect authentication data ([email protected] )
2026-02-12 03:51:59 dovecot_login authenticator failed for H=([10.42.18.140]) [140.228.24.99]:53562: 535 Incorrect authentication data ([email protected] )
2026-02-12 03:52:09 dovecot_plain authenticator failed for H=([10.42.18.140]) [140.228.24.99]:22910: 535 Incorrect authentication data ([email protected] )
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Port Scan
๐ฉ๐ช
Nerdscave Hosting
2026-02-11 16:50:44
(4 months ago)
SMTP brute-force detected by Fail2Ban in plesk-postfix jail
Email Spam
Brute-Force