I now use ajax to upload doc.xls files, how can I detect when uploading files uploaded files is camouflage Trojan? Or how to detect the upload file virus? Now I only do the file suffix format validation, down also do
, help the younger brother

CodePudding user response:

If the user didn't upload so you can't judge.

If you want to judge.. Way to judge is by reading the file. But remember this time of the file has been to your server


https://blog.csdn.net/weixin_30546189/article/details/97466332

Refer to the above address. Can judge the real file format.

But again.. Already uploaded.. Then see if Trojan cow X to the automatic degree