BUUCTF: Plum blossom scent comes from bitter cold

Subject address: https://buuoj.cn/challenges#%E6%A2%85%E8%8A%B1%E9%A6%99%E4%B9%8B%E8%8B%A6%E5%AF%92% The questions of E6%9D%A5

are as follows:

Use 010 editoropen

FF D9There is a large string of hexadecimals at the end of the picture. Copy these characters and convert the hexadecimals to characters

Hexadecimal to character: https://coding.tools/tw/hex-to-ascii

Similar coordinates, you can use gnuplotdrawing tools to draw pictures

But first organize it into a gnuplotrecognizable format and replace it with Notepad.

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