File: 1641.txt

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Rule:

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Sid:
1641

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Summary:
This event is generated when potential Denial of Service (DoS) traffic is detected on the network. 

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Impact:
Serious. A DoS attack may be underway.

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Detailed Information:
This event indicates that DoS traffic has been detected. An attempt to exhaust resources on a host may be underway leading to the host being unavailable for legitimate use.

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Attack Scenarios:
An attacker may attempt to exhaust resources available on a host leading to the host being unable to respond to legitimate requests.

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Ease of Attack:
Simple to Difficult.

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False Positives:
None Known.

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False Negatives:
None Known.

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Corrective Action:
Perform proper forensic analysis on the suspected compromised host to discover the means of compromise.

Rebuild a confirmed compromised host.

Use a packet-filtering firewall to block inappropriate traffic to the network to prevent hosts from being compromised.

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Contributors:
Original rule writer unknown
Sourcefire Research Team
Nigel Houghton <nigel.houghton@sourcefire.com>

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Additional References:


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