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Cobalt Strike Beacon C2 using Amazon APIs
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Cobalt Strike Beacon C2 using Amazon APIs

AWS provides services that help you create complex applications with increased flexibility, scalability and reliability, sufficient processing power, storage for databases, delivery and other functionality.


A group of researchers developed a way to use the AWS API Amazon. A reliable malicious channel was created through the use of Cobalt Strike specifications “ExternalC2”. To summarize, blue teams have a variety of techniques at their disposal to block and detect malwares. By utilizing AWS API services – particularly S3 buckets – as the C2 source, we can be assured the domain will be live in all environments and subvert the prevention / detection techniques.

You can get acquainted with the details in Dwight Hohnstein’s article. This article demonstrates how to bypass several network security tools.

 

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