721.txt

This is the snapshot of Snot Latest Rules

Rule:

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Sid:
721

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Summary:
This event is generated when network activity indicating possible virus
infection is detected.

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Impact:
Malicious code infection.  This event may indicate that an internal host
may be infected with some kind of malicious code.

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Detailed Information:
This event may indicate a possible virus infection of a host on the
protected network.

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Affected Systems:
	Various systems

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Attack Scenarios:
Viruses may propogate in many different ways. Many arrive in the form of
email attachments that an unsuspecting user may trigger by opening the
attachment. Once infected, many viruses have the ability to use the
infected host as a means of spreading copies of itself to other machines
on the protected and external networks.

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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:
Use antivirus software on hosts to terminate infectors.

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Contributors:
Sourcefire Vulnerability Research Team
Brian Caswell <[e-mail]>
Nigel Houghton <[e-mail]>

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Additional References:

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