CTF题库—（实验吧）之Decode

版权声明：如果对大家有帮助，大家可以自行转载的。原文链接：https://blog.csdn.net/qq_37992321/article/details/84588969

1.打开解题链接： http://ctf5.shiyanbar.com/crypto/Readme.txt
得到：0x253464253534253435253335253433253661253435253737253464253531253666253738253464253434253637253462253466253534253662253462253464253534253435253738253433253661253435253737253466253531253666253738253464253434253435253462253464253534253435253332253433253661253435253738253464253531253666253738253464253534253535253462253464253534253431253330253433253661253435253737253465253531253666253738253464253661253435253462253466253534253633253462253464253534253435253737253433253661253662253334253433253661253662253333253433253661253435253738253465253431253364253364
2.0x开头，所以我们用hex解密得到：
%4d%54%45%35%43%6a%45%77%4d%51%6f%78%4d%44%67%4b%4f%54%6b%4b%4d%54%45%78%43%6a%45%77%4f%51%6f%78%4d%44%45%4b%4d%54%45%32%43%6a%45%78%4d%51%6f%78%4d%54%55%4b%4d%54%41%30%43%6a%45%77%4e%51%6f%78%4d%6a%45%4b%4f%54%63%4b%4d%54%45%77%43%6a%6b%34%43%6a%6b%33%43%6a%45%78%4e%41%3d%3d
hex在线解密：https://tool.lu/hexstr/

3.然后用url解密得到：
MTE5CjEwMQoxMDgKOTkKMTExCjEwOQoxMDEKMTE2CjExMQoxMTUKMTA0CjEwNQoxMjEKOTcKMTEwCjk4Cjk3CjExNA==
4.然后用Base64解密得到：
119 101 108 99 111 109 101 116 111 115 104 105 121 97 110 98 97 114
5.然后用ASCII解码得到：
welcometoshiyanbar
６.提交

这个完全可以用一个工具就可以做到Converter　https://download.csdn.net/my