New malware doesn’t call home, it turns your Exchange server into its home

There’s a new flavor of cereal on the table, but not the appealing kind, particularly for defenders. A new report from global security company ESET describes a “sophisticated, modular, and tightly interconnected” toolset designed to run on compromised Exchange servers for long-term cyberespionage. The malware is named ‘Cereal’ because it relies heavily on serialization, a technique used to package data and code for t…

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