[Snort-sigs] False +ves on FTP shadow retrieval attempt and suggested mitigation strategy

Russell Fulton r.fulton at ...575...
Tue Jun 22 16:55:05 EDT 2004


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Rule: FTP shadow retrieval attempt

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Sid:1928 

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Summary:

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Impact:

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Detailed Information:

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Affected Systems:

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Attack Scenarios:

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Ease of Attack:

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False Positives:  This rule will trigger on *any* occurrence of "shadow"
in the ftp control stream. I suggest requiring a RETR before the
"shadow" and this will prevent FPs on domain names and usernames etc.

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False Negatives:

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Corrective Action:

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Contributors:

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Additional References:





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