Rule

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Sid
133-3

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Summary:
This event is generated when the dcerpc2 preprocessor detects anomalous network traffic.

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Impact:
Unknown. This is an indication of anomalous behaviour between networked assets.

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Detailed Information:
This event is generated when the dcerpc2 preprocessor detects anomalous network traffic.

An SMB message type was specified in the header. Either a request was made by the server or a response was given by the client.

This event can be controlled using the ((dce2)) configuration options.

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Affected Systems:
All systems using NetBIOS DCERPC or SMB file and print sharing

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Attack Scenarios:
An attacker would need to specify a message type of SMB in the packet header.

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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:


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Contributors:
Sourcefire Vulnerability Research Team


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Additional References:


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