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BUUCTF---Reverse---reverse1
2022-07-07 08:27:00 【Hskb】
BUUCTF—Reverse—reverse1
flag:flag{hell0_w0rld}
解题步骤:
1、观察题目,下载附件
2、下载好后发现文件无法打开,提示报错,选择IDA打开,使用IDA64位打开
3、使用Shift+F12,打开字符串窗口,将所有字符串进行列出,发现存在flag字样的字符串
4、双击包含flag的字符串,查看详细位置,再选中该条数据,使用Ctrl+X对所选位置进行精准定位
5、点击OK后,发现类似flag值的一串字符,尝试提交答案不正确,进行F5伪代码审计发现将o替换为0就可以了
6、提交答案,完成
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知乎地址:https://www.zhihu.com/people/yi-kuai-xiao-bing-gan-43-64/posts
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