🇵🇾
SecOpsSL
2026-10-22 21:24:07
(1 day ago)
2026-10-22 18:24:06,664 WARN [ImapSSLServer-1979] [ip=192.168.0.25;oip=190.171.78.39;via=192.168.0. ...
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2026-10-22 18:24:06,664 WARN [ImapSSLServer-1979] [ip=192.168.0.25;oip=190.171.78.39;via=192.168.0.25(nginx/1.20.0);ua=Zimbra/8.8.15_GA_4717;cid=28305;] security - cmd=Auth; [email protected] ; protocol=imap; error=authentication failed for [[email protected] ], invalid password;
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Email Spam
Brute-Force
2026-10-21 13:08:44
(2 days ago)
190.171.78.39 detected on srv01
Brute-Force
🇩🇪
tall1oN
2026-10-20 09:20:47
(4 days ago)
2026-10-20T11:20:37.128685+02:00 kenny dovecot: auth-worker(3806572): conn unix:auth-worker (pid=365 ...
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2026-10-20T11:20:37.128685+02:00 kenny dovecot: auth-worker(3806572): conn unix:auth-worker (pid=3650491,uid=107): auth-worker<1>: sql([email protected] ,190.171.78.39,<h32wJEJeK6W+q04n>): unknown user
2026-10-20T11:20:39.778974+02:00 kenny dovecot: auth-worker(3806572): conn unix:auth-worker (pid=3650491,uid=107): auth-worker<2>: pam([email protected] ,190.171.78.39,<h32wJEJeK6W+q04n>): pam_authenticate() failed: Authentication failure (Password mismatch?)
2026-10-20T11:20:46.571138+02:00 kenny dovecot: auth-worker(3806572): conn unix:auth-worker (pid=3650491,uid=107): auth-worker<3>: sql([email protected] ,190.171.78.39,<h32wJEJeK6W+q04n>): unknown user
...
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Brute-Force
Email Spam
🇮🇩
sockominfo
2026-10-18 00:00:53
(6 days ago)
Email: Login failures from Bad Reputation IP: 190.171.78.39. Threat Score: 6.1/10 (MEDIUM). Confiden ...
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Email: Login failures from Bad Reputation IP: 190.171.78.39. Threat Score: 6.1/10 (MEDIUM). Confidence: 40%. CVSS v3.1: 4.3/10 (Medium). CVSS Vector: CVSS:3.1/AV:A/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L. Bayesian Probability: 75%. MITRE ATT&CK: T1566 (Phishing). 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
Web App Attack
🇮🇩
sockominfo
2026-10-17 23:00:53
(6 days ago)
Email: Login failures from Bad Reputation IP: 190.171.78.39. Threat Score: 6.3/10 (MEDIUM). Confiden ...
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Email: Login failures from Bad Reputation IP: 190.171.78.39. Threat Score: 6.3/10 (MEDIUM). Confidence: 40%. CVSS v3.1: 4.3/10 (Medium). CVSS Vector: CVSS:3.1/AV:A/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L. Bayesian Probability: 77%. MITRE ATT&CK: T1566 (Phishing). Tactic: TA0001. Freshness: Very 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
Web App Attack
🇳🇱
Mangelot Hosting
2026-10-15 20:24:10
(1 week ago)
(dovecot_invalid_user) srv101 Dovecot login on non-existent account 190.171.78.39 (CO/Colombia/-): 1 ...
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(dovecot_invalid_user) srv101 Dovecot login on non-existent account 190.171.78.39 (CO/Colombia/-): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_CUSTOMTRIGGER; Logs: Oct 15 22:24:05 dovecot[3521960]: imap-login: Login aborted: Connection closed (auth failed, 2 attempts in 11 secs) (auth_failed): user=[USERNAME] method=PLAIN, rip=190.171.78.39, lip=0.0.0.x, TLS, session=<LgKX0+ZdLKq+q04n>
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Web App Attack
🇳🇱
Mangelot Hosting
2026-10-14 03:08:09
(1 week ago)
(dovecot_invalid_user) srv103 Dovecot login on non-existent account 190.171.78.39 (CO/Colombia/-): 1 ...
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(dovecot_invalid_user) srv103 Dovecot login on non-existent account 190.171.78.39 (CO/Colombia/-): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_CUSTOMTRIGGER; Logs: Oct 14 05:08:07 dovecot[542885]: imap-login: Login aborted: Connection closed (auth failed, 2 attempts in 13 secs) (auth_failed): user=[USERNAME] method=PLAIN, rip=190.171.78.39, lip=0.0.0.x, TLS, session=<sF6dPMRdtZK+q04n>
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Web App Attack
🇳🇱
Mangelot Hosting
2026-10-12 22:35:09
(1 week ago)
(dovecot_invalid_user) srv101 Dovecot login on non-existent account 190.171.78.39 (CO/Colombia/-): 1 ...
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(dovecot_invalid_user) srv101 Dovecot login on non-existent account 190.171.78.39 (CO/Colombia/-): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_CUSTOMTRIGGER; Logs: Oct 13 00:35:05 dovecot[3346663]: imap-login: Login aborted: Connection closed (auth failed, 2 attempts in 15 secs) (auth_failed): user=[USERNAME] method=PLAIN, rip=190.171.78.39, lip=0.0.0.x, TLS, session=<nUxTTqxdx7G+q04n>
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Web App Attack
2026-10-11 16:31:31
(1 week ago)
Failed login attempt detected by Fail2Ban in plesk-dovecot jail
Brute-Force
🇳🇱
Mangelot Hosting
2026-10-11 08:03:04
(1 week ago)
(dovecot_invalid_user) srv103 Dovecot login on non-existent account 190.171.78.39 (CO/Colombia/-): 1 ...
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(dovecot_invalid_user) srv103 Dovecot login on non-existent account 190.171.78.39 (CO/Colombia/-): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_CUSTOMTRIGGER; Logs: Oct 11 10:03:02 dovecot[4059075]: imap-login: Login aborted: Connection closed (auth failed, 2 attempts in 15 secs) (auth_failed): user=[USERNAME] method=PLAIN, rip=190.171.78.39, lip=0.0.0.x, TLS, session=<3PvJAYxdlIm+q04n>
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Web App Attack
2026-10-10 14:29:37
(1 week ago)
fail2ban: brute-force/credential spraying against mail (IMAP/POP/webmail) — rmnet.it
Brute-Force
🇮🇹
www.tana.it
2026-10-08 17:08:11
(2 weeks ago)
dictionary attack
Brute-Force
🇳🇱
Mangelot Hosting
2026-10-07 00:52:54
(2 weeks ago)
(dovecot_invalid_user) srv104 Dovecot login on non-existent account 190.171.78.39 (CO/Colombia/-): 1 ...
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(dovecot_invalid_user) srv104 Dovecot login on non-existent account 190.171.78.39 (CO/Colombia/-): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_CUSTOMTRIGGER; Logs: Oct 7 02:52:50 dovecot[1508497]: imap-login: Login aborted: Connection closed (auth failed, 2 attempts in 15 secs) (auth_failed): user=[USERNAME] method=PLAIN, rip=190.171.78.39, lip=0.0.0.x, TLS, session=<uEzmhzVdZ8S+q04n>
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Web App Attack
2026-10-06 11:03:29
(2 weeks ago)
(imapd) Failed IMAP login from 190.171.78.39 (CO/Colombia/-)
Brute-Force
🇫🇷
Stara
2026-10-01 23:51:25
(3 weeks ago)
Multiple failed email logins - brute force attack
Brute-Force
