This IP address has been reported a total of
56
times from
34 distinct
sources.
81.12.104.151 was first reported on
, and the most recent report was
.
Recent Reports:
We have received reports of abusive activity from this IP address within the last week. It is
potentially still actively engaged in abusive activities.
Reporter
IoA Timestamp (UTC)
Comment
Categories
Anonymous
2026-06-25T20:59:14.960072 SPARTAN sshd[6394]: Invalid user from 81.12.104.151 port 6380
2026-06-25 ...
show more2026-06-25T20:59:14.960072 SPARTAN sshd[6394]: Invalid user from 81.12.104.151 port 6380
2026-06-25T21:01:11.419930 SPARTAN sshd[7243]: Invalid user admin2 from 81.12.104.151 port 6562
2026-06-25T21:01:11.648041 SPARTAN sshd[7243]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.12.104.151
2026-06-25T21:01:13.511615 SPARTAN sshd[7243]: Failed password for invalid user admin2 from 81.12.104.151 port 6562 ssh2
...
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2026-06-26T10:01:26.102797+09:00 *** sshd-session[748399]: Invalid user admin2 from 81.12.104.151 p ...
show more2026-06-26T10:01:26.102797+09:00 *** sshd-session[748399]: Invalid user admin2 from 81.12.104.151 port 60778
2026-06-26T10:01:26.369553+09:00 *** sshd-session[748399]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.12.104.151
2026-06-26T10:01:28.089588+09:00 *** sshd-session[748399]: Failed password for invalid user admin2 from 81.12.104.151 port 60778 ssh2
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Active SSH brute-force detected. Logs: Jun 25 20:18:25 AVM-498967 sshd[103178]: Invalid user ftpuser ...
show moreActive SSH brute-force detected. Logs: Jun 25 20:18:25 AVM-498967 sshd[103178]: Invalid user ftpuser from 81.12.104.151 port 50528 Jun 25 20:18:25 AVM-498967 sshd[103178]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser...
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2026-06-25T19:54:41.744368+0000 inbound port scan detected by Suricata. src=81.12.104.151:48092 dst= ...
show more2026-06-25T19:54:41.744368+0000 inbound port scan detected by Suricata. src=81.12.104.151:48092 dst=51.255.207.147:22 proto=TCP. signature="ET SCAN Potential SSH Scan" category="Attempted Information Leak" sid=2001219 reason=scan_signature.
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Active SSH brute-force detected. Logs: Jun 25 21:35:30 AVM-186760 sshd[3182772]: Failed password for ...
show moreActive SSH brute-force detected. Logs: Jun 25 21:35:30 AVM-186760 sshd[3182772]: Failed password for root from 81.12.104.151 port 48534 ssh2 Jun 25 21:35:44 AVM-186760 sshd[3182778]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tt...
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2026-06-25T18:54:23.360389+0000 inbound port scan detected by Suricata. src=81.12.104.151:38760 dst= ...
show more2026-06-25T18:54:23.360389+0000 inbound port scan detected by Suricata. src=81.12.104.151:38760 dst=51.255.207.147:22 proto=TCP. signature="ET SCAN Potential SSH Scan" category="Attempted Information Leak" sid=2001219 reason=scan_signature.
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2026-06-25T12:52:41.567442+02:00 Linux02 sshd[63585]: pam_unix(sshd:auth): authentication failure; l ...
show more2026-06-25T12:52:41.567442+02:00 Linux02 sshd[63585]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.12.104.151
2026-06-25T12:52:43.375381+02:00 Linux02 sshd[63585]: Failed password for invalid user adminuser from 81.12.104.151 port 26582 ssh2
2026-06-25T12:52:59.628753+02:00 Linux02 sshd[64183]: Invalid user amir from 81.12.104.151 port 26672
2026-06-25T12:52:59.717062+02:00 Linux02 sshd[64183]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.12.104.151
2026-06-25T12:53:01.660657+02:00 Linux02 sshd[64183]: Failed password for invalid user amir from 81.12.104.151 port 26672 ssh2
2026-06-25T12:53:17.916026+02:00 Linux02 sshd[64858]: Invalid user azureuser from 81.12.104.151 port 26758
2026-06-25T12:53:18.013193+02:00 Linux02 sshd[64858]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.12.104.151
2026-06-25T12:53:20.234348+02:00 Linux02 sshd[64858]: Failed
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Brute-Force
SSH
Showing 1 to
15
of 56 reports
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