🇩🇪
jasperedv.de
2026-09-18 02:17:27
(13 hours ago)
Failed IMAP Login - Brutforcing
Email Spam
Brute-Force
2026-09-17 15:49:35
(23 hours ago)
fail2ban: brute-force/credential spraying against mail (IMAP/POP/webmail) — rmnet.it
Brute-Force
🇫🇮
notelseit
2026-09-16 17:12:16
(1 day ago)
2026-09-16T19:12:16.027857+02:00 mail dovecot: imap-login: Disconnected: Connection closed (no auth ...
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2026-09-16T19:12:16.027857+02:00 mail dovecot: imap-login: Disconnected: Connection closed (no auth attempts in 0 secs): user=<>, rip=78.138.51.117, lip=65.21.131.50, session=<zsfbxJxb7PpOijN1>
2026-09-16T19:12:16.032671+02:00 mail dovecot: pop3-login: Disconnected: Connection closed (no auth attempts in 0 secs): user=<>, rip=78.138.51.117, lip=65.21.131.50, TLS handshaking: Connection closed, session=<BNvbxJxb7vpOijN1>
2026-09-16T19:12:16.037308+02:00 mail dovecot: imap-login: Disconnected: Connection closed (no auth attempts in 0 secs): user=<>, rip=78.138.51.117, lip=65.21.131.50, TLS handshaking: Connection closed, session=<WO3bxJxb6/pOijN1>
2026-09-16T19:12:16.037765+02:00 mail dovecot: pop3-login: Disconnected: Connection closed (no auth attempts in 0 secs): user=<>, rip=78.138.51.117, lip=65.21.131.50, session=<Le/bxJxb7/pOijN1>
2026-09-16T19:12:16.624357+02:00 mail dovecot: auth-worker(1731051): conn unix:auth-worker (pid=1643206,uid=110): auth-worker<143>: sql([email protected]
...
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Brute-Force
Email Spam
🇮🇹
Progetto1
2026-09-16 14:58:02
(2 days ago)
Mail - Multiple failed login attempts
Brute-Force
Exploited Host
🇫🇷
dwmp
2026-09-16 13:29:45
(2 days ago)
Sep 16 12:51:42 webcore dovecot: imap-login: Login aborted: Connection closed (auth failed, 3 attemp ...
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Sep 16 12:51:42 webcore dovecot: imap-login: Login aborted: Connection closed (auth failed, 3 attempts in 18 secs) (auth_failed): user=<[email protected] >, method=PLAIN, rip=78.138.51.117, lip=75.119.153.41, TLS: Connection closed, session=<7ubLcpdbfMdOijN1>
Sep 16 15:20:58 webcore dovecot: imap-login: Login aborted: Connection closed (auth failed, 3 attempts in 19 secs) (auth_failed): user=<[email protected] >, method=PLAIN, rip=78.138.51.117, lip=75.119.153.41, TLS: Connection closed, session=<iN+SiJlbddxOijN1>
Sep 16 15:29:44 webcore dovecot: imap-login: Login aborted: Connection closed (auth failed, 3 attempts in 18 secs) (auth_failed): user=<[email protected] >, method=PLAIN, rip=78.138.51.117, lip=75.119.153.41, TLS: Connection closed, session=<LaT2p5lbDMROijN1>
...
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Brute-Force
🇺🇸
AWSGIEMSAN7
2026-09-16 12:59:51
(2 days ago)
Blocked by Fail2ban (Jail: dovecot).
Brute-Force
🇿🇦
maximonline.co.za
2026-09-16 11:26:05
(2 days ago)
Brute Force IMAP AUTH Attack
Brute-Force
🇮🇩
sockominfo
2026-09-16 06:00:55
(2 days ago)
Email: Login failures from Bad Reputation IP: 78.138.51.117. Threat Score: 6.3/10 (MEDIUM). Confiden ...
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Email: Login failures from Bad Reputation IP: 78.138.51.117. 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: 75%. 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
2026-09-16 05:40:11
(2 days ago)
Authentication failure
Brute-Force
🇳🇱
wlt-blocker
2026-09-15 18:11:29
(2 days ago)
Attempts to login to mail server with wrong username and/or password
Brute-Force
🇮🇹
www.tana.it
2026-09-15 17:17:55
(2 days ago)
dictionary attack
Brute-Force
🇫🇮
notelseit
2026-09-15 17:06:46
(2 days ago)
2026-09-15T19:06:45.526261+02:00 mail dovecot: imap-login: Disconnected: Connection closed (no auth ...
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2026-09-15T19:06:45.526261+02:00 mail dovecot: imap-login: Disconnected: Connection closed (no auth attempts in 0 secs): user=<>, rip=78.138.51.117, lip=65.21.131.50, session=<lFlRk4hbZ8ZOijN1>
2026-09-15T19:06:45.526727+02:00 mail dovecot: pop3-login: Disconnected: Connection closed (no auth attempts in 0 secs): user=<>, rip=78.138.51.117, lip=65.21.131.50, session=<elxRk4hba8ZOijN1>
2026-09-15T19:06:45.532765+02:00 mail dovecot: pop3-login: Disconnected: Connection closed (no auth attempts in 0 secs): user=<>, rip=78.138.51.117, lip=65.21.131.50, TLS handshaking: Connection closed, session=<3nNRk4hbacZOijN1>
2026-09-15T19:06:45.533514+02:00 mail dovecot: imap-login: Disconnected: Connection closed (no auth attempts in 0 secs): user=<>, rip=78.138.51.117, lip=65.21.131.50, TLS handshaking: Connection closed, session=<DXdRk4hbZsZOijN1>
2026-09-15T19:06:46.041216+02:00 mail dovecot: auth-worker(1427093): conn unix:auth-worker (pid=1643206,uid=110): auth-worker<12625>: sql(info@momentigo
...
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Brute-Force
Email Spam
🇺🇸
TAY
2026-09-15 15:28:01
(3 days ago)
2026-09-15 23:28:01 pop3-login: Info: Disconnected (no auth attempts in 0 secs): user=<>, rip=78.138 ...
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2026-09-15 23:28:01 pop3-login: Info: Disconnected (no auth attempts in 0 secs): user=<>, rip=78.138.51.117, lip=162.220.160.187, session=<M0EzModbYtVOijN1>
2026-09-15 23:28:01 imap-login: Info: Disconnected (no auth attempts in 0 secs): user=<>, rip=78.138.51.117, lip=162.220.160.187, session=<5UIzModbYNVOijN1>
2026-09-15 23:28:01 imap-login: Info: Disconnected (no auth attempts in 0 secs): user=<>, rip=78.138.51.117, lip=162.220.160.187, TLS handshaking: Connection closed, session=<QVkzModbY9VOijN1>
2026-09-15 23:28:01 pop3-login: Info: Disconnected (no auth attempts in 0 secs): user=<>, rip=78.138.51.117, lip=162.220.160.187, TLS handshaking: Connection closed, session=<nVwzModbYdVOijN1>
...
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Brute-Force
🇩🇪
FeG Deutschland
2026-09-15 15:14:12
(3 days ago)
Mail: - login with unknown user - bruteforce
Brute-Force
🇮🇩
aaKenshin
2026-09-15 12:49:01
(3 days ago)
Suspicious activity detected from IP 78.138.51.117 based on mailserver logs.
Sample logs:
2026-09-15 ...
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Suspicious activity detected from IP 78.138.51.117 based on mailserver logs.
Sample logs:
2026-09-15 20:48:56,231 INFO [ImapServer-20568] [ip=172.16.0.182;cid=25040;oip=78.138.51.117;via=172.16.0.182(nginx/1.24.0);ua=Zimbra/24.9.7_ZEXTRAS_202410;] imap - ID elapsed=0 (NIO)
2026-09-15 20:48:56,232 INFO [ImapServer-20567] [ip=172.16.0.182;oip=78.138.51.117;via=172.16.0.182(nginx/1.24.0);ua=Zimbra/24.9.7_ZEXTRAS_202410;cid=25040;] imap - AUTHENTICATE elapsed=0 (NIO)
2026-09-15 20:48:56,234 INFO [ImapServer-20568] [ip=172.16.0.182;oip=78.138.51.117;via=172.16.0.182(nginx/1.24.0);ua=Zimbra/24.9.7_ZEXTRAS_202410;cid=25040;] imap - authentication failed for [**] (LDAP error: - unable to ldap authenticate: invalid credentials)
2026-09-15 20:48:56,234 INFO [ImapServer-20568] [ip=172.16.0.182;oip=78.138.51.117;via=172.16.0.182(nginx/1.24.0);ua=Zimbra/24.9.7_ZEXTRAS_202410;cid=25040;] account - Error occurred during authentication: authentication failed for [**]. Reason: LDAP error: - unabl
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Brute-Force