532.txt

snort入侵检测规则文件2.4 Snort是众所周知的网络入侵检测工具

Rule:

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Sid:
532

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Summary:
This event is generated when an attempt is made to access an administrative share on a Windows machine.

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Impact:
Serious. Possible administrator access on the victim machine. 

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Detailed Information:
This rule  generates an event when the hidden Netbios share Admin$, which is the Winnt directory, is accessed via SMB. 

This is a poor security practice or an indication that a machine is being accessed remotely. 

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Affected Systems:
	Windows 9x
	Windows 2000
	Windows XP

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Attack Scenario:
This can be accessed from GUI "map network drive" remotely 

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Ease of Attack:
Simple

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False Positives:
None known.

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False Negatives:
None known.

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Corrective Action:
Use a packet filtering firewall to disallow Netbios access from the unprotected network.

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Contributors:
Original Rule Writer Unknown
Sourcefire Research Team
Nigel Houghton <[e-mail]>
Snort documentation contributed by Jake Babbin 

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References:

arachnids 340 

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