Rule:

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Sid: 2123


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Summary:
This event is generated when a Windows cmd.exe banner is detected in a TCP session. 

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Impact:
Remote access.

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Detailed Information:
This event indicates that a Windows cmd.exe banner has been detected in a TCP session. This indicates that someone has the ability to spawn a DOS command shell prompt over TCP.

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Affected Systems:
Windows operating systems.

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Attack Scenarios:
An attacker could be utilizing a backdoor to spawn a DOS command shell thus gaining access to the operating system and all data on the 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:
Check the host for signs of compromise.

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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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