๐ฎ๐ฉ
sockominfo
2026-06-03 13:00:38
(1 day ago)
Postfix: Multiple SASL authentication failures.. Threat Score: 7.3/10 (HIGH). Confidence: 50%. CVSS ...
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Postfix: Multiple SASL authentication failures.. Threat Score: 7.3/10 (HIGH). Confidence: 50%. CVSS v3.1: 6.3/10 (Medium). CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L. Bayesian Probability: 87%. MITRE ATT&CK: T1110 (Brute Force). Tactic: TA0001. Freshness: Fresh. Source Reputation: UNKNOWN. Methodology: CVSS 3.1 + Bayesian + Temporal + Environmental + MITRE ATT&CK + OWASP. Standards: ISO/IEC 27065:2022, NIST SP 800-30, IEEE S&P 2020. Reported by TangerangKota-CSIRT. Status: MALICIOUS
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Hacking
Exploited Host
๐ฌ๐ง
knock
2026-06-03 12:32:53
(1 day ago)
Knock-Knock honeypot brute-force: SMTP (6 total hits)
Brute-Force
๐จ๐ฆ
craftxbox
2026-06-03 12:23:08
(1 day ago)
Brute-Force
๐ณ๐ฑ
walkerit.ch
2026-06-03 12:18:15
(1 day ago)
Jun 3 14:18:13 srv-ubuntu-dev3 postfix/smtpd[28512]: warning: unknown[91.92.243.20]: SASL LOGIN aut ...
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Jun 3 14:18:13 srv-ubuntu-dev3 postfix/smtpd[28512]: warning: unknown[91.92.243.20]: SASL LOGIN authentication failed: authentication failure, [email protected]
Jun 3 14:18:13 srv-ubuntu-dev3 postfix/smtpd[28512]: warning: unknown[91.92.243.20]: SASL LOGIN authentication failed: authentication failure, [email protected]
Jun 3 14:18:14 srv-ubuntu-dev3 postfix/smtpd[28512]: warning: unknown[91.92.243.20]: SASL LOGIN authentication failed: authentication failure, [email protected]
Jun 3 14:18:14 srv-ubuntu-dev3 postfix/smtpd[28512]: warning: unknown[91.92.243.20]: SASL LOGIN authentication failed: authentication failure, [email protected]
Jun 3 14:18:14 srv-ubuntu-dev3 postfix/smtpd[28512]: warning: unknown[91.92.243.20]: SASL LOGIN authentication failed: authentication failure, [email protected]
...
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Brute-Force
๐ฎ๐ฉ
hermawan
2026-06-03 12:02:09
(1 day ago)
1780488118.282677 91.92.243.20 103.166.156.58 8192_2-1-1-4_1436_0 2026-06-03 19:01:58 WIB
...
Email Spam
Hacking
๐ฏ๐ต
mkaraki
2026-06-03 12:00:42
(1 day ago)
1780488040 # Service_probe # SIGNATURE_SEND # source_ip:91.92.243.20 # dst_port:25
...
Port Scan
๐ฎ๐ฉ
sockominfo
2026-06-03 12:00:11
(1 day ago)
Postfix: Multiple SASL authentication failures.. Threat Score: 5.5/10 (MEDIUM). Reported by Tangeran ...
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Postfix: Multiple SASL authentication failures.. Threat Score: 5.5/10 (MEDIUM). Reported by TangerangKota-CSIRT
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Hacking
Web App Attack
๐ฌ๐ง
PeravixGroup
2026-06-03 11:30:45
(1 day ago)
Honeypot detection: SMTP abuse / unauthorized email relay attempt on port 25. Severity: MEDIUM. Aara ...
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Honeypot detection: SMTP abuse / unauthorized email relay attempt on port 25. Severity: MEDIUM. Aaran.cloud
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Email Spam
๐ณ๐ด
Abuse Buster
2026-06-03 10:32:14
(1 day ago)
2026-06-03T12:32:13.306601+02:00 mx postfix/dnsblog[924087]: addr 91.92.243.20 listed by domain zen. ...
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2026-06-03T12:32:13.306601+02:00 mx postfix/dnsblog[924087]: addr 91.92.243.20 listed by domain zen.spamhaus.org as 127.0.0.3
2026-06-03T12:32:13.306681+02:00 mx postfix/dnsblog[924087]: addr 91.92.243.20 listed by domain zen.spamhaus.org as 127.0.0.9
2026-06-03T12:32:13.306733+02:00 mx postfix/dnsblog[924087]: addr 91.92.243.20 listed by domain zen.spamhaus.org as 127.0.0.4
...
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Email Spam
๐ฉ๐ช
Click-Networks
2026-06-03 10:09:19
(1 day ago)
Jun 3 11:21:48 wh02 postfix/smtpd[277998]: connect from unknown[91.92.243.20]
Jun 3 11:21:48 wh02 ...
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Jun 3 11:21:48 wh02 postfix/smtpd[277998]: connect from unknown[91.92.243.20]
Jun 3 11:21:48 wh02 postfix/smtpd[277999]: connect from unknown[91.92.243.20]
Jun 3 11:21:49 wh02 postfix/smtpd[277998]: warning: unknown[91.92.243.20]: SASL LOGIN authentication failed: authentication failure, [email protected]
Jun 3 11:21:49 wh02 postfix/smtpd[277999]: warning: unknown[91.92.243.20]: SASL LOGIN authentication failed: authentication failure, [email protected]
Jun 3 11:21:49 wh02 postfix/smtpd[277998]: warning: unknown[91.92.243.20]: SASL LOGIN authentication failed: authentication failure, [email protected]
Jun 3 11:21:49 wh02 postfix/smtpd[277999]: warning: unknown[91.92.243.20]: SASL LOGIN authentication failed: authentication failure, [email protected]
Jun 3 11:21:49 wh02 postfix/smtpd[277998]: warning: unknown[91.92.243.20]: SASL LOGIN authentication failed: authentication failure, sasl_username=teste@
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Email Spam
Brute-Force
Exploited Host
๐ท๐ด
EasyNet Consulting
2026-06-03 09:13:08
(1 day ago)
2026-06-03T12:13:05.261216+03:00 EmailStorage postfix/smtpd[700029]: warning: unknown[91.92.243.20]: ...
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2026-06-03T12:13:05.261216+03:00 EmailStorage postfix/smtpd[700029]: warning: unknown[91.92.243.20]: SASL LOGIN authentication failed: (reason unavailable), [email protected]
2026-06-03T12:13:05.261999+03:00 EmailStorage postfix/smtpd[700027]: warning: unknown[91.92.243.20]: SASL LOGIN authentication failed: (reason unavailable), [email protected]
2026-06-03T12:13:05.262394+03:00 EmailStorage postfix/smtpd[700030]: warning: unknown[91.92.243.20]: SASL LOGIN authentication failed: (reason unavailable), [email protected]
2026-06-03T12:13:06.262099+03:00 EmailStorage postfix/smtpd[700031]: warning: unknown[91.92.243.20]: SASL LOGIN authentication failed: (reason unavailable), [email protected]
2026-06-03T12:13:06.262696+03:00 EmailStorage postfix/smtpd[700028]: warning: unknown[91.92.243.20]: SASL LOGIN authentication failed: (reason unavailable), [email protected]
2026-06-03T12:13:08.264215+03:00 EmailStorage postfix/s
...
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Brute-Force
SSH
๐ฉ๐ช
jasperedv.de
2026-06-03 08:43:58
(1 day ago)
Failed SMTP Login - Brutforcing
Email Spam
Brute-Force
๐ฉ๐ช
mcb-it.de
2026-06-03 08:41:32
(1 day ago)
Jun 3 10:41:18 mcb-it postfix/smtpd[3825486]: warning: unknown[91.92.243.20]: SASL LOGIN authentica ...
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Jun 3 10:41:18 mcb-it postfix/smtpd[3825486]: warning: unknown[91.92.243.20]: SASL LOGIN authentication failed: authentication failure
Jun 3 10:41:18 mcb-it postfix/smtpd[3825486]: warning: unknown[91.92.243.20]: SASL LOGIN authentication failed: authentication failure
Jun 3 10:41:18 mcb-it postfix/smtpd[3825486]: warning: unknown[91.92.243.20]: SASL LOGIN authentication failed: authentication failure
Jun 3 10:41:19 mcb-it postfix/smtpd[3825486]: warning: unknown[91.92.243.20]: SASL LOGIN authentication failed: authentication failure
Jun 3 10:41:19 mcb-it postfix/smtpd[3825486]: warning: unknown[91.92.243.20]: SASL LOGIN authentication failed: authentication failure
...
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Brute-Force
๐ฉ๐ช
justaw
2026-06-03 08:37:16
(1 day ago)
Fail2Ban: postfix-sasl, 3 failures. SMTP AUTH brute force
Email Spam
Brute-Force
Anonymous
2026-06-03 08:35:49
(1 day ago)
2026-06-03T10:35:41.008470+02:00 posta.profi-net.cz postfix/smtpd[3317452]: warning: unknown[91.92.2 ...
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2026-06-03T10:35:41.008470+02:00 posta.profi-net.cz postfix/smtpd[3317452]: warning: unknown[91.92.243.20]: SASL LOGIN authentication failed: (reason unavailable), [email protected]
2026-06-03T10:35:47.468384+02:00 posta.profi-net.cz postfix/smtpd[3317452]: warning: unknown[91.92.243.20]: SASL LOGIN authentication failed: (reason unavailable), [email protected]
...
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Email Spam
Brute-Force
Exploited Host