Exposing the Core Functionalities of QuasarRAT: Encrypted Configuration and Obfuscation Techniques

In the second installment of the “Advent of Configuration Extraction” series, security researchers have unwrapped QuasarRAT, a widely-deployed .NET remote access trojan (RAT), revealing sophisticated techniques for extracting its encrypted configuration from both clean and obfuscated binary samples. The analysis demonstrates a reproducible methodology using Jupyter Notebook, pythonnet, and dnSpy, providing cybersecurity professionals with practical […]

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