Rule:

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Sid:
16525

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Summary:
This event is generated when network traffic that indicates MSN Messenger is being used.

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Impact:
Possible policy violation. The use of MSN Messenger may be prohibited by corporate policy in some network environments. 

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Detailed Information:
This event indicates that the MSN Messenger is being used on the protected network. This application is a chat client and as such, it's use may violate corporate policy.

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Affected Systems:
All systems using MSN Messenger

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Attack Scenarios:
This is a possible policy violation, it may be that MSN Messenger has been installated on a client host.

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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:
Disallow the use of MSN Messenger on the protected network and enforce or implement an organization wide policy on the use of MSN Messenger.

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Contributors:
Sourcefire Vulnerability Research Team


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Additional References:

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