Through the analysis of virus Trojan malicious code such as definition, classification, attacks of the general model, a kind of based on attack File Security Risk Evaluate system is put forward, and the system is tested. The results show that the system can accurately evaluate the file of safety level.%通过分析病毒木马等恶意代码的定义、分类、攻击的一般模型,提出了一种文件安全度的评估方案FSRE(FileSecurityRiskEvaluate)系统,并对该系统进行实例测试,实验结果证明该系统能够准确的评估出文件安全度等级。
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