This IP address has been reported a total of
21
times from
17 distinct
sources.
81.92.157.86 was first reported on
, and the most recent report was
.
In the last 60 days, the top reporter locations were:
Germany
with 8
reports;
Hong Kong
with 3
reports;
Poland
with 3
reports.
The most common categories in these recent reports were:
Brute-Force
15
times;
Web App Attack
9
times;
Hacking
6
times;
SSH
4
times;
Port Scan
3
times.
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.
Synology DSM web login brute-force: 5 failed sign-in attempt(s) between 10:06:22 and 18:16:15 CEST o ...
show moreSynology DSM web login brute-force: 5 failed sign-in attempt(s) between 10:06:22 and 18:16:15 CEST on 2026-10-06; part of distributed low-and-slow campaign (1000+ IPs).
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Brute-Force
Web App Attack
Anonymous
Web directory scan: 10 requests in 10h 40m (Last path: '/webapi/entry.cgi?account=ali229&api=SYNO.AP ...
show moreWeb directory scan: 10 requests in 10h 40m (Last path: '/webapi/entry.cgi?account=ali229&api=SYNO.API.Auth&format=sid&method=login&passwd=ali229&session=FileStation&version=6').
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Oct 4 23:15:08 h3buntu sshd[4128507]: Failed password for root from 81.92.157.86 port 34312 ssh2
Oc ...
show moreOct 4 23:15:08 h3buntu sshd[4128507]: Failed password for root from 81.92.157.86 port 34312 ssh2
Oct 4 23:31:48 h3buntu sshd[4135683]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.92.157.86 user=root
Oct 4 23:31:49 h3buntu sshd[4135683]: Failed password for root from 81.92.157.86 port 43858 ssh2
...
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SFTP Brute-Force login attempts or hacking probe detected against Pelican control panel. Evidence: 2 ...
show moreSFTP Brute-Force login attempts or hacking probe detected against Pelican control panel. Evidence: 2026-10-04T21:09:47.878768+00:00 pl-waw-01 wings[761033]: ERROR: [Oct 4 21:09:47.878] sftp: failed to accept inbound connection error=[ssh: no auth passed yet, the credentials provided were invalid] ip=81.92.157.86:51676 2026-10-04T21:09:49.705007+00:00 pl-waw-01 wings[761033]: ERROR: [Oct 4 21:09:49.704] sftp: failed to accept inbound connection error=[ssh: no auth passed yet, the credentials provided were invalid] ip=81.92.157.86:52968 2026-10-04T21:14:01.109915+00:00 pl-waw-01 wings[761033]: ERROR: [Oct 4 21:14:01.109] sftp: failed to accept inbound connection error=[ssh: no auth passed yet, the credentials provided were invalid] ip=81.92.157.86:35888 ...
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Hacking
Brute-Force
SSH
Anonymous
Suspicious brute-force activity was detected by MikroTik and the source IP was observed in the Brut_ ...
show moreSuspicious brute-force activity was detected by MikroTik and the source IP was observed in the Brut_knock stage tracking list.
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Oct 4 19:25:02 isp sshd[3931938]: Failed password for root from 81.92.157.86 port 45556 ssh2
Oct 4 ...
show moreOct 4 19:25:02 isp sshd[3931938]: Failed password for root from 81.92.157.86 port 45556 ssh2
Oct 4 19:25:01 isp sshd[3931972]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.92.157.86 user=root
Oct 4 19:25:03 isp sshd[3931972]: Failed password for root from 81.92.157.86 port 46658 ssh2
...
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Web directory scan: 10 requests in 10h 38m (Last path: '/webapi/entry.cgi?account=danilo&api=SYNO.AP ...
show moreWeb directory scan: 10 requests in 10h 38m (Last path: '/webapi/entry.cgi?account=danilo&api=SYNO.API.Auth&format=sid&method=login&passwd=123456&session=FileStation&version=6').
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Automated brute-force authentication attempt against Synology DSM management portal. Blocked by auto ...
show moreAutomated brute-force authentication attempt against Synology DSM management portal. Blocked by autoblock.
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User [account1] from [81.92.157.86] failed to sign in to [DSM] via [password] due to authorization f ...
show moreUser [account1] from [81.92.157.86] failed to sign in to [DSM] via [password] due to authorization failure.
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