作者: Derek A. Soeder , Michael Wojnowicz , Glenn Chisholm , Matthew Wolff , Xuan Zhao
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摘要: A plurality of data files is received. Thereafter, each file represented as an entropy time series that reflects amount across locations in code for such file. wavelet transform applied, file, to the corresponding generate energy spectrum characterizing, entropic at multiple scales resolution. It can then be determined, whether or not likely malicious based on spectrum. Related apparatus, systems, techniques and articles are also described.