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My-challenges

challenges made by Retr_0

DubheCTF2024 - ezPythonCheckin

题目其实解答基本都是非预期,学弟为了开动态容器方便 直接使用了输入输出流。以及flag命名直接/flag了。 感兴趣的可以再绕绕。

DubheCTF2024 - dubhecalc

一道简单 uninitialized storage + JMP 的题目。难点在于找到参数传递 和 跳转地址。其实已经很友善了。没有出成JOP也是犯懒+觉得无聊。 甚至还给了STOP方便结束。也没有不放源码让逆向了,毕竟逆向的话可能漏洞点就更暴漏了。 搞了一个稍微简单的合约题换换脑子。 下次可能会考虑好好JOP一次。

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