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CAPEC-490: Amplification

Definition in a New Window Definition in a New Window
Attack Pattern ID: 490
Abstraction: Standard
Status: Draft
Completeness: Stub
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+ Summary

An adversary may execute an amplification where the size of a response is far greater than that of the request that generates it. The goal of this attack is to use a relatively few resources to create a large amount of traffic against a target server. To execute this attack, an adversary send a request to a 3rd party service, spoofing the source address to be that of the target server. The larger response that is generated by the 3rd party service is then sent to the target server. By sending a large number of initial requests, the adversary can generate a tremendous amount of traffic directed at the target. The greater the discrepancy in size between the initial request and the final payload delivered to the target increased the effectiveness of this attack.

+ Attack Prerequisites
  • This type of an attack requires the existence of a 3rd party service that generates a response that is significantly larger than the request that triggers it.

+ Solutions and Mitigations

To mitigate this type of an attack, an organization can attempt to identify the 3rd party services being used in an active attack and blocking them until the attack ends. This can be accomplished by filtering traffic for suspicious message patterns such as a spike in traffic where each response contains the same large block of data. Care should be taken to prevent false positive rates so legitimate traffic isn't blocked.

+ Content History
CAPEC Content TeamThe MITRE Corporation2014-06-23Internal_CAPEC_Team
CAPEC Content TeamThe MITRE Corporation2017-01-09Updated Related_Attack_PatternsInternal

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Page Last Updated or Reviewed: August 04, 2017