๐ง๐ท
ICS Labs
2026-05-31 01:45:46
(2 weeks ago)
ICS Labs identified 140.228.24.142 as a malicious indicator from threat intelligence.
DDoS Attack
Hacking
Exploited Host
๐ท๐ด
SpamStopper
2026-04-23 21:03:10
(1 month ago)
Apr 24 00:02:57 mailserver postfix/submission/smtpd[127751]: warning: unknown[140.228.24.142]: SASL ...
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Apr 24 00:02:57 mailserver postfix/submission/smtpd[127751]: warning: unknown[140.228.24.142]: SASL PLAIN authentication failed:
Apr 24 00:03:03 mailserver postfix/submission/smtpd[127751]: warning: unknown[140.228.24.142]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Apr 24 00:03:10 mailserver postfix/smtps/smtpd[128381]: warning: unknown[140.228.24.142]: SASL PLAIN authentication failed:
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Brute-Force
Bad Web Bot
๐ฎ๐น
VHosting
2026-04-23 20:25:48
(1 month ago)
Detected mail brute force attack from 4 different servers
Brute-Force
๐จ๐ฟ
lp
2026-03-08 09:08:33
(3 months ago)
Email account brute force: 6 attempts were recorded from 140.228.24.142
2026-03-08T08:51:03+01:00 wa ...
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Email account brute force: 6 attempts were recorded from 140.228.24.142
2026-03-08T08:51:03+01:00 warning: unknown[140.228.24.142]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-03-08T08:51:03+01:00 warning: unknown[140.228.24.142]: SASL LOGIN authentication failed: authentication failure, [email protected]
2026-03-08T08:51:04+01:00 warning: unknown[140.228.24.142]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-03-08T08:51:04+01:00 warning: unknown[140.228.24.142]: SASL LOGIN authentication failed: authentication failure, [email protected]
2026-03-08T08:52:02+01:00 warning: unknown[140.228.24.142]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-03-08T08:52:02+01:00 warning: unknown[140.228.24.142]: SASL LOGIN authentication failed:
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Brute-Force
๐บ๐ธ
bigscoots.com
2026-03-08 07:52:31
(3 months ago)
(smtpauth) Failed SMTP AUTH login from 140.228.24.142 (CA/Canada/-): 5 in the last 3600 secs; Ports: ...
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(smtpauth) Failed SMTP AUTH login from 140.228.24.142 (CA/Canada/-): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-03-08 03:51:58 dovecot_plain authenticator failed for H=([10.13.18.89]) [140.228.24.142]:30795: 535 Incorrect authentication data ([email protected] )
2026-03-08 03:52:04 dovecot_login authenticator failed for H=([10.13.18.89]) [140.228.24.142]:30795: 535 Incorrect authentication data ([email protected] )
2026-03-08 03:52:10 dovecot_plain authenticator failed for H=([10.13.18.89]) [140.228.24.142]:27460: 535 Incorrect authentication data ([email protected] )
2026-03-08 03:52:16 dovecot_login authenticator failed for H=([10.13.18.89]) [140.228.24.142]:27460: 535 Incorrect authentication data ([email protected] )
2026-03-08 03:52:26 dovecot_plain authenticator failed for H=([10.13.18.89]) [140.228.24.142]:19478: 535 Incorrect authentication data ([email protected] )
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Brute-Force
SSH
Anonymous
2026-03-08 04:49:55
(3 months ago)
8x Postfix SASL LOGIN authentication failed
Brute-Force
๐บ๐ธ
TurboTechieSystems
2026-03-08 04:43:16
(3 months ago)
2026-03-07T22:43:03.424088-06:00 postfix/submission/smtpd: unknown: SASL PLAIN authentication fail ...
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2026-03-07T22:43:03.424088-06:00 postfix/submission/smtpd: unknown: SASL PLAIN authentication failed:, sasl_username=Redacted
2026-03-07T22:43:09.038447-06:00 postfix/submission/smtpd: unknown SASL LOGIN failed:, sasl_username=Redacted
2026-03-07T22:43:15.053945-06:00 postfix/smtps/smtpd: unknown: SASL PLAIN authentication failed:, sasl_username=Redacted
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Email Spam
Brute-Force
๐ฉ๐ช
itak
2026-03-08 04:42:50
(3 months ago)
SMTP SASL Brute-Force Attack
Port Scan
Hacking
Brute-Force
๐บ๐ธ
AWSGIEMSAN7
2026-03-05 18:27:23
(3 months ago)
Mar 5 12:27:20 mail postfix/smtpd[5117]: warning: unknown[140.228.24.142]: SASL PLAIN authenticatio ...
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Mar 5 12:27:20 mail postfix/smtpd[5117]: warning: unknown[140.228.24.142]: SASL PLAIN authentication failed: authentication failure
...
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Brute-Force
๐ฎ๐ฑ
Dolphi
2026-03-05 18:18:40
(3 months ago)
Mail server brute force
Email Spam
Brute-Force
๐บ๐ธ
bigscoots.com
2026-03-01 03:47:29
(3 months ago)
(smtpauth) Failed SMTP AUTH login from 140.228.24.142 (CA/Canada/-): 5 in the last 3600 secs; Ports: ...
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(smtpauth) Failed SMTP AUTH login from 140.228.24.142 (CA/Canada/-): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-02-28 22:46:59 dovecot_plain authenticator failed for H=([10.13.18.143]) [140.228.24.142]:5672: 535 Incorrect authentication data ([email protected] )
2026-02-28 22:47:05 dovecot_login authenticator failed for H=([10.13.18.143]) [140.228.24.142]:5672: 535 Incorrect authentication data ([email protected] )
2026-02-28 22:47:11 dovecot_plain authenticator failed for H=([10.13.18.143]) [140.228.24.142]:22244: 535 Incorrect authentication data ([email protected] )
2026-02-28 22:47:17 dovecot_login authenticator failed for H=([10.13.18.143]) [140.228.24.142]:22244: 535 Incorrect authentication data ([email protected] )
2026-02-28 22:47:28 dovecot_plain authenticator failed for H=([10.13.18.143]) [140.228.24.142]:17467: 535 Incorrect authentication data ([email protected] )
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Brute-Force
SSH
๐ฉ๐ช
Hazzard
2026-02-28 17:46:03
(3 months ago)
(smtpauth) Failed SMTP AUTH login from 140.228.24.142 (US/United States/-/-/-/[redacted])
Brute-Force
๐บ๐ธ
bigscoots.com
2026-02-27 02:15:02
(3 months ago)
(smtpauth) Failed SMTP AUTH login from 140.228.24.142 (CA/Canada/-): 5 in the last 3600 secs; Ports: ...
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(smtpauth) Failed SMTP AUTH login from 140.228.24.142 (CA/Canada/-): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-02-26 21:14:22 dovecot_plain authenticator failed for H=([10.13.18.221]) [140.228.24.142]:49193: 535 Incorrect authentication data ([email protected] )
2026-02-26 21:14:28 dovecot_login authenticator failed for H=([10.13.18.221]) [140.228.24.142]:49193: 535 Incorrect authentication data ([email protected] )
2026-02-26 21:14:34 dovecot_plain authenticator failed for H=([10.13.18.221]) [140.228.24.142]:52503: 535 Incorrect authentication data ([email protected] )
2026-02-26 21:14:40 dovecot_login authenticator failed for H=([10.13.18.221]) [140.228.24.142]:52503: 535 Incorrect authentication data ([email protected] )
2026-02-26 21:15:00 dovecot_plain authenticator failed for H=([10.13.18.221]) [140.228.24.142]:43463: 535 Incorrect authentication data ([email protected] )
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Brute-Force
SSH
๐ฎ๐ฉ
aaKenshin
2026-02-27 02:14:52
(3 months ago)
Suspicious activity detected from IP 140.228.24.142 based on mailserver logs.
Sample logs:
2026-02-2 ...
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Suspicious activity detected from IP 140.228.24.142 based on mailserver logs.
Sample logs:
2026-02-27 10:14:52,009 INFO [qtp2102534528-78403] [ip=172.16.0.182;oip=140.228.24.142;oport=28929;oproto=smtp;port=35644;soapId=2e7904c3;] SoapEngine - handler exception: authentication failed for [**], account not found
2026-02-27 10:14:52,009 INFO [qtp2102534528-78403] [ip=172.16.0.182;oip=140.228.24.142;oport=28929;oproto=smtp;port=35644;soapId=2e7904c3;] soap - AuthRequest elapsed=1
2026-02-27 10:14:52,522 INFO [qtp2102534528-78245] [ip=172.16.0.182;oip=140.228.24.142;oport=28929;oproto=smtp;port=35660;soapId=2e7904c4;] account - Error occurred during authentication: authentication failed for [**]. Reason: account not found.
2026-02-27 10:14:52,522 INFO [qtp2102534528-78245] [ip=172.16.0.182;oip=140.228.24.142;oport=28929;oproto=smtp;port=35660;soapId=2e7904c4;] SoapEngine - handler exception: authentication failed for [**], account not found
2026-02-27 10:14:52,522 INFO [qtp2102534528-
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Brute-Force
๐จ๐ฟ
lp
2026-02-25 03:07:16
(3 months ago)
Email account brute force: 5 attempts were recorded from 140.228.24.142
2026-02-25T03:13:17+01:00 wa ...
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Email account brute force: 5 attempts were recorded from 140.228.24.142
2026-02-25T03:13:17+01:00 warning: unknown[140.228.24.142]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-02-25T03:13:17+01:00 warning: unknown[140.228.24.142]: SASL LOGIN authentication failed: authentication failure, [email protected]
2026-02-25T03:13:18+01:00 warning: unknown[140.228.24.142]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-02-25T03:13:18+01:00 warning: unknown[140.228.24.142]: SASL LOGIN authentication failed: authentication failure, [email protected]
2026-02-25T03:14:20+01:00 warning: unknown[140.228.24.142]: SASL PLAIN authentication failed: authentication failure, [email protected]
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Brute-Force