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🇫🇷
Kimax
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RdpGuard detected brute-force attempt on RDP
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Brute-Force
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🇫🇷
asemen
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Apr 23 18:42:18 mbox postfix/submission/smtpd[1007734]: warning: unknown[91.193.6.176]: SASL PLAIN a ...
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Apr 23 18:42:18 mbox postfix/submission/smtpd[1007734]: warning: unknown[91.193.6.176]: SASL PLAIN authentication failed:
Apr 23 18:42:34 mbox postfix/submission/smtpd[1007735]: warning: unknown[91.193.6.176]: SASL PLAIN authentication failed:
Apr 23 18:42:36 mbox postfix/submission/smtpd[1007735]: warning: unknown[91.193.6.176]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
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Port Scan
Brute-Force
SSH
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🇩🇪
jasperedv.de
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Failed SMTP Login - Brutforcing
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Email Spam
Brute-Force
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🇧🇷
SvrAdmin
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[101] (smtpauth) Failed SMTP AUTH login from 91.193.6.176 (CA/Canada/-): 5 in the last 3600 secs; Po ...
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[101] (smtpauth) Failed SMTP AUTH login from 91.193.6.176 (CA/Canada/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-04-21 14:53:46 dovecot_plain authenticator failed for H=([10.14.18.227]) [91.193.6.176]:45419: 535 Incorrect authentication data ([email protected])
2026-04-21 14:53:52 dovecot_login authenticator failed for H=([10.14.18.227]) [91.193.6.176]:45419: 535 Incorrect authentication data ([email protected])
2026-04-21 14:53:59 dovecot_plain authenticator failed for H=([10.14.18.227]) [91.193.6.176]:49909: 535 Incorrect authentication data ([email protected])
2026-04-21 14:54:01 dovecot_login authenticator failed for H=([10.14.18.227]) [91.193.6.176]:49909: 535 Incorrect authentication data ([email protected])
2026-04-21 14:54:11 dovecot_plain authenticator failed for H=([10.14.18.227]) [91.193.6.176]:64870: 535 Incorrect authentication data ([email protected])
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Port Scan
Hacking
Brute-Force
Exploited Host
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🇫🇷
smtp.com.es
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Brute force attempt.
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Brute-Force
Email Spam
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Anonymous
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Brute-Force
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🇵🇦
iphezimbra
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Fail2Ban reported IP from jail zimbra-smtp on <hostname>
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Brute-Force
SSH
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🇺🇸
Ghost Rider
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RdpGuard detected brute-force attempt on SMTP
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Brute-Force
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🇦🇺
screwlooseit.com.au
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Blocked by CSF 13 firewall - Rule: mysaslmatch
RO/Romania/-
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Web App Attack
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🇨🇿
lp
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Email account brute force: 6 attempts were recorded from 91.193.6.176
2026-04-15T12:19:28+02:00 warn ...
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Email account brute force: 6 attempts were recorded from 91.193.6.176
2026-04-15T12:19:28+02:00 warning: unknown[91.193.6.176]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-04-15T12:19:28+02:00 warning: unknown[91.193.6.176]: SASL LOGIN authentication failed: authentication failure, [email protected]
2026-04-15T12:19:29+02:00 warning: unknown[91.193.6.176]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-04-15T12:19:30+02:00 warning: unknown[91.193.6.176]: SASL LOGIN authentication failed: authentication failure, [email protected]
2026-04-15T12:19:38+02:00 warning: unknown[91.193.6.176]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-04-15T12:19:39+02:00 warning: unknown[91.193.6.176]: SASL LOGIN authentication failed: authenticatio
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Brute-Force
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🇭🇺
Lacika555
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RdpGuard detected brute-force attempt on SMTP
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Brute-Force
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🇩🇪
vcis.de
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SMTP brute force attack detected from [91.193.6.176]
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Brute-Force
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🇺🇸
bigscoots.com
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(smtpauth) Failed SMTP AUTH login from 91.193.6.176 (CA/Canada/-): 5 in the last 3600 secs; Ports: 2 ...
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(smtpauth) Failed SMTP AUTH login from 91.193.6.176 (CA/Canada/-): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-04-15 05:19:49 dovecot_plain authenticator failed for H=([10.14.18.3]) [91.193.6.176]:23007: 535 Incorrect authentication data ([email protected])
2026-04-15 05:22:38 dovecot_login authenticator failed for H=([10.14.18.3]) [91.193.6.176]:23007: 535 Incorrect authentication data
2026-04-15 05:45:56 dovecot_plain authenticator failed for H=([10.14.18.3]) [91.193.6.176]:22156: 535 Incorrect authentication data ([email protected])
2026-04-15 05:46:02 dovecot_login authenticator failed for H=([10.14.18.3]) [91.193.6.176]:22156: 535 Incorrect authentication data ([email protected])
2026-04-15 05:46:08 dovecot_plain authenticator failed for H=([10.14.18.3]) [91.193.6.176]:12823: 535 Incorrect authentication data ([email protected])
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Brute-Force
SSH
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🇩🇪
triple-web.net
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$f2bV_matches
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Brute-Force
|
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Anonymous
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Kept connecting and disconnecting without issuing any commands
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DDoS Attack
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