致敬传奇群友@aURORA_JC
1 根据邮件空白去目录下找clue.jpg



2 文件头7z对其爆破弱口令得密码password

3 根据注释base解码

folder：299d12d88e0e99c1
everything爆搜
C:\ProgramData\.bc7e3b6e381b7026\299d12d88e0e99c1

4 对readme.exe反编译

得到RSA私钥
-----BEGIN PRIVATE KEY-----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-----END PRIVATE KEY-----

5 对runme.txt解码
前有代码 但是在线工具真他娘的好用



6 对b4e9ab2f61cbfda4进行md5

至此游戏结束

花钱做ctf题说是