🇩🇪
LRob
2026-07-17 04:51:44
(4 hours ago)
CrowdSec: SMTP mail server abuse (spam / auth failures) | mechanism: LOGIN
Email Spam
Brute-Force
🇬🇧
iss-security-operations
2026-07-16 16:07:01
(16 hours ago)
Seen attempting a bruteforce against SMTP services
Brute-Force
🇺🇸
bigscoots.com
2026-07-16 13:57:24
(19 hours ago)
(smtpauth) Failed SMTP AUTH login from 192.253.248.41 (GB/United Kingdom/-): 5 in the last 3600 secs ...
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(smtpauth) Failed SMTP AUTH login from 192.253.248.41 (GB/United Kingdom/-): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-07-16 09:56:26 dovecot_login authenticator failed for H=(bk4LlVbxz) [192.253.248.41]:50161: 535 Incorrect authentication data ([email protected] )
2026-07-16 09:56:33 dovecot_login authenticator failed for H=(lfYldQNa6n) [192.253.248.41]:50315: 535 Incorrect authentication data ([email protected] )
2026-07-16 09:56:45 dovecot_login authenticator failed for H=(3RK8lLrqg6) [192.253.248.41]:50581: 535 Incorrect authentication data ([email protected] )
2026-07-16 09:57:04 dovecot_login authenticator failed for H=(nbYv8AqT8J) [192.253.248.41]:51213: 535 Incorrect authentication data ([email protected] )
2026-07-16 09:57:22 dovecot_login authenticator failed for H=(LluhBBuB) [192.253.248.41]:52154: 535 Incorrect authentication data ([email protected] )
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Brute-Force
SSH
🇺🇸
bigscoots.com
2026-07-16 10:41:06
(22 hours ago)
(smtpauth) Failed SMTP AUTH login from 192.253.248.41 (GB/United Kingdom/-): 5 in the last 3600 secs ...
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(smtpauth) Failed SMTP AUTH login from 192.253.248.41 (GB/United Kingdom/-): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-07-16 06:40:06 dovecot_login authenticator failed for H=(ernUtJL) [192.253.248.41]:50516: 535 Incorrect authentication data ([email protected] )
2026-07-16 06:40:13 dovecot_login authenticator failed for H=(uS5Ncj) [192.253.248.41]:51048: 535 Incorrect authentication data ([email protected] )
2026-07-16 06:40:24 dovecot_login authenticator failed for H=(YqJYArZsIZ) [192.253.248.41]:51767: 535 Incorrect authentication data ([email protected] )
2026-07-16 06:40:43 dovecot_login authenticator failed for H=(ARVjGE) [192.253.248.41]:52880: 535 Incorrect authentication data ([email protected] )
2026-07-16 06:41:01 dovecot_login authenticator failed for H=(loyrE0zZ) [192.253.248.41]:54595: 535 Incorrect authentication data ([email protected] )
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Brute-Force
SSH
2026-07-16 09:59:47
(22 hours ago)
SMTP brute force - auth failed
Brute-Force
Exploited Host
🇧🇷
KingHost
2026-07-16 01:05:55
(1 day ago)
Brute-Force
🇺🇸
bigscoots.com
2026-07-15 22:55:00
(1 day ago)
(smtpauth) Failed SMTP AUTH login from 192.253.248.41 (GB/United Kingdom/-): 5 in the last 3600 secs ...
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(smtpauth) Failed SMTP AUTH login from 192.253.248.41 (GB/United Kingdom/-): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-07-15 18:54:01 dovecot_login authenticator failed for H=(tNLuoUl4P) [192.253.248.41]:63474: 535 Incorrect authentication data ([email protected] )
2026-07-15 18:54:08 dovecot_login authenticator failed for H=(J2rdi3NNl) [192.253.248.41]:63809: 535 Incorrect authentication data ([email protected] )
2026-07-15 18:54:20 dovecot_login authenticator failed for H=(J5eSnxeTI) [192.253.248.41]:64364: 535 Incorrect authentication data ([email protected] )
2026-07-15 18:54:38 dovecot_login authenticator failed for H=(ZT6fMY) [192.253.248.41]:65289: 535 Incorrect authentication data ([email protected] )
2026-07-15 18:54:56 dovecot_login authenticator failed for H=(Tl6uLDsY) [192.253.248.41]:50084: 535 Incorrect authentication data ([email protected] )
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Brute-Force
SSH
🇮🇳
evicky2002
2026-07-03 07:05:16
(2 weeks ago)
Confirmed malicious by STILWaters CTI platform (score=100, sources=1)
Hacking
Brute-Force
SSH
🇮🇳
evicky2002
2026-07-02 04:51:18
(2 weeks ago)
Confirmed malicious by STILWaters CTI platform (score=100, sources=1)
Hacking
Brute-Force
SSH
🇧🇷
ICS Labs
2026-05-28 19:43:00
(1 month ago)
ICS Labs identified 192.253.248.41 as a malicious indicator from threat intelligence.
DDoS Attack
Hacking
Exploited Host
🇬🇧
HighSports
2026-05-07 15:43:35
(2 months ago)
Email Auth Brute force attack 75/9 in last day
Brute-Force
🇺🇸
thardie
2026-05-07 04:14:27
(2 months ago)
2026-05-06T21:03:42.269835-07:00 orcas dovecot: pop3-login: Aborted login (auth failed, 1 attempts i ...
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2026-05-06T21:03:42.269835-07:00 orcas dovecot: pop3-login: Aborted login (auth failed, 1 attempts in 2 secs): user=<[email protected] >, method=PLAIN, rip=192.253.248.41, lip=50.225.225.206, session=<SlmWXTJRnPLA/fgp>
2026-05-06T21:05:25.502060-07:00 orcas dovecot: pop3-login: Aborted login (auth failed, 1 attempts in 2 secs): user=<[email protected] >, method=PLAIN, rip=192.253.248.41, lip=50.225.225.206, session=<eyq9YzJRAkHA/fgp>
2026-05-06T21:06:58.450720-07:00 orcas dovecot: pop3-login: Aborted login (auth failed, 1 attempts in 2 secs): user=<[email protected] >, method=PLAIN, rip=192.253.248.41, lip=50.225.225.206, session=<bSpAaTJRLlnA/fgp>
2026-05-06T21:14:27.381881-07:00 orcas dovecot: pop3-login: Aborted login (auth failed, 1 attempts in 2 secs): user=<shimrod>, method=PLAIN, rip=192.253.248.41, lip=50.225.225.206, session=<WE8JhDJRsAjA/fgp>
2026-05-06T21:14:27.383811-07:00 orcas dovecot: pop3-login: Aborted login (auth failed, 1 attempts in 2 secs): user=<[email protected]
...
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Brute-Force
Spoofing
🇺🇸
thardie
2026-05-07 02:53:31
(2 months ago)
2026-05-06T19:42:40.572025-07:00 orcas dovecot: pop3-login: Aborted login (auth failed, 1 attempts i ...
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2026-05-06T19:42:40.572025-07:00 orcas dovecot: pop3-login: Aborted login (auth failed, 1 attempts in 2 secs): user=<[email protected] >, method=PLAIN, rip=192.253.248.41, lip=50.225.225.206, session=<g+bFOzFR+FHA/fgp>
2026-05-06T19:44:24.568933-07:00 orcas dovecot: pop3-login: Aborted login (auth failed, 1 attempts in 2 secs): user=<[email protected] >, method=PLAIN, rip=192.253.248.41, lip=50.225.225.206, session=<rCr4QTFRnJ7A/fgp>
2026-05-06T19:45:56.705056-07:00 orcas dovecot: pop3-login: Aborted login (auth failed, 1 attempts in 2 secs): user=<[email protected] >, method=PLAIN, rip=192.253.248.41, lip=50.225.225.206, session=<IxB9RzFRGPrA/fgp>
2026-05-06T19:53:26.656169-07:00 orcas dovecot: pop3-login: Aborted login (auth failed, 1 attempts in 2 secs): user=<shimrod>, method=PLAIN, rip=192.253.248.41, lip=50.225.225.206, session=<rRdJYjFR2G/A/fgp>
2026-05-06T19:53:30.817250-07:00 orcas dovecot: pop3-login: Aborted login (auth failed, 1 attempts in 6 secs): user=<[email protected]
...
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Brute-Force
Spoofing
🇧🇷
dominioz
2026-05-07 02:42:19
(2 months ago)
Brute-Force
2026-05-07 02:23:33
(2 months ago)
(PERMBLOCK) 192.253.248.41 (AU/Australia/-) has had more than 4 temp blocks in the last 86400 secs; ...
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(PERMBLOCK) 192.253.248.41 (AU/Australia/-) has had more than 4 temp blocks in the last 86400 secs; Ports: *; Direction: inout; Trigger: LF_PERMBLOCK_COUNT; Logs:
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Brute-Force