HIDS 5712

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Rule 5712
Status Active
Alert Message SSHD brute force trying to get access to the system.

Contents

Description

This rule detects multiple failed login attempts to sshd. This may indicate that an attacker is carrying out a brute force attack.

examples

Rule: 5712 (level 10) -> 'SSHD brute force trying to get access to the system.' Src IP: 46.21.249.141 Src Location: RU Aug 11 23:47:46 www sshd[981]: Invalid user oracle from 46.21.249.141 Aug 11 23:47:42 www sshd[970]: Invalid user admin from 46.21.249.141 Aug 11 23:47:36 www sshd[851]: Invalid user admin from 46.21.249.141 Aug 11 23:47:34 www sshd[776]: Invalid user admin from 46.21.249.141


Troubleshooting

False Positives

There are no known false positives with this rule. If you believe this is a false positive, please report this to our security team to determine if this is a legitimate case, or if its clever attack on your system. Do not disable this rule.

Instructions to report false positives are detailed on the Reporting False Positives wiki page.  If it is a false positive, we will fix the issue in the rules and get a release out to you promptly.


Additional Information

Similar Rules

None.

Knowledge Base Articles

None.

Outside References

None.

Notes

None.

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