Rule:

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Sid:
6001

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

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

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Detailed Information:
This event indicates that the Skype is being used on the protected network.

Specifically a Skype client login was observed.

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Affected Systems:
All systems using Skype
	
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Attack Scenarios:
This is a possible policy violation, it may be that Skype 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 Skype on the protected network and enforce or implement an organization wide policy on the use of Skype.

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Contributors:
Sourcefire Vulnerability Research Team
Kevin Shivers <kevin.shivers@sourcefire.com>
Nigel Houghton <nigel.houghton@sourcefire.com>

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Additional References:

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