BUUCTF: If you give me three days of light

https://buuoj.cn/challenges#%E5%81%87%E5%A6%82%E7%BB%99%E6%88%91%E4%B8%89%E5%A4%A9%E5%85%89%E6%98%8E

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The braille in the picture directly find the braille comparison table online

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Get the result: kmdonowg
input the obtained password into the decompression password, and decompress the wavaudio file

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From the characteristics of listening and looking at the waveform, it should be Morse code

-.-.  -  ..-.  .--  .--.  .  ..  -----  ---..  --...  ...--  ..---  ..--..  ..---  ...--  -..  --..

Morse code online conversion: http://www.zhongguosou.com/zonghe/moErSiCodeConverter.aspx

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CTFWPEI08732?23DZ
flag{
    
    wpei08732?23dz}

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Origin blog.csdn.net/mochu7777777/article/details/108492012