HIDS 11203
From Atomicorp Wiki
| Rule 11203 | |
|---|---|
| Status | Active |
| Alert Message | proftpd: Attempt to login using a non-existent user. |
Contents |
Description
This rule detects attempts to log into proftp accounts that do not exist on the system. This may indicate that an attacker is attempting to find default accounts to log into, or is carrying out a brute force attack.
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.
