Rule:

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Sid:
2176


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Summary:
This event is generated when an attempt is made to access a system
folder via SMB. 

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Impact:
Serious. This folder contains important operating system information.

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Detailed Information:
This event indicates that an attempt was made to access a folder
containing important operating system files using SMB across the
network.

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Affected Systems:
Microsoft Windows systems.

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Attack Scenarios:
If this folder is accessible via SMB the attacker can replace or view
important operating system files.

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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:
Check the host for signs of system compromise.

Turn off file and print sharing on the target host.

Use a packet filtering firewall to disallow SMB access to the host from
sources external to the protected network.

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Contributors:
Sourcefire Research Team
Brian Caswell <bmc@sourcefire.com>
Nigel Houghton <nigel.houghton@sourcefire.com>

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Additional References:


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