File detection method, device and equipment and readable storage medium

The invention discloses a file detection method and device, equipment and a readable storage medium. The method disclosed by the invention comprises the following steps: acquiring a target file; if the malicious feature is extracted from the target file, establishing an association relationship between the target file and the malicious feature; and storing the malicious features and the association relationship to a malicious feature library, and tracing and modifying the features in the malicious feature library according to the association relationship. Correspondingly, the invention provides a file detection device and equipment and a readable storage medium, which also have the above technical effects. 本申请公开了一种文件检测方法、装置、设备及可读存储介质。本申请公开的方法包括：获取目标文件；若从所述目标文件中提取出恶意特征，则建立所述目标文件与所述恶意特征之间的关联关系；存储所述恶意特征和所述关联关系至恶意特征库，据此关联关系就可以对恶意特征库中的特征进行溯源和修改。相应地，本申请提供的一种文件检测装置、设备及可读存储介质，也同样具有上述技术效果。