Spectral method for identifying computer software action
A computer and spectral method technology, applied in the field of identifying computer software behavior, can solve the problems of high false positive rate and high false negative rate
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[0031] The present invention will be further described below in conjunction with accompanying drawing and specific embodiment:
[0032] The invention relates to a method for computer software behavior recognition, which uses a discrete hidden Markov model (Discrete Hidden Markov Model, referred to as DHMM) state transition probability (State transition probabilities) matrix and its emission probability (Emission probabilities) matrix Describe the behavior of the software, express the behavioral characteristics of the software based on the spectral decomposition (Spectral decomposition) result of the state transition probability matrix, and finally identify the similarity of the software behavior according to the behavioral characteristics and the emission probability matrix, the method flow is as follows figure 1 shown, including the following steps:
[0033] (1) Constructing a software behavior representation model: using DHMM model parameter dyads (A*, B*) to represent the s...
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