Difference between revisions of "HIDS 5556"
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'''Description''' | '''Description''' | ||
| − | This rule detects multiple login failures to from the same IP over a longer period of time. Specifically, it looks for 10 login failures within an hour. The intent of this rule is to detect a malicious party attempting to brute force guess passwords slowly, so as to beat most brute force detection systems. | + | This rule detects multiple login failures to PAM enabled services, such as SSH, from the same IP over a longer period of time. Specifically, it looks for 10 login failures within an hour. The intent of this rule is to detect a malicious party attempting to brute force guess passwords slowly, so as to beat most brute force detection systems. |
The default settings are to detect 10 login failure, from the same IP, within 3600 seconds (1 hour). | The default settings are to detect 10 login failure, from the same IP, within 3600 seconds (1 hour). | ||
Latest revision as of 14:52, 21 March 2014
Rule ID
5556
Status
Active rule currently published.
Description
This rule detects multiple login failures to PAM enabled services, such as SSH, from the same IP over a longer period of time. Specifically, it looks for 10 login failures within an hour. The intent of this rule is to detect a malicious party attempting to brute force guess passwords slowly, so as to beat most brute force detection systems.
The default settings are to detect 10 login failure, from the same IP, within 3600 seconds (1 hour).
False Positives
This rule can be falsely triggered if multiple users are using the same IP address, such as behind a firewall and multiple users generate 10 or more failures in a one hour period.
If you believe that this is a false positive, then disable this rule or whitelist the source IP.
Tuning Recommendations
None.
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