June 23, 2022

国赛2022-babytree & babycode

阅读题真是一秒钟都不想做了!

babytree

文章参考

https://forum.butian.net/share/1627

总结:硬读ast,稍微了解一下语法树

image-20220625081625004

https://en.wikipedia.org/wiki/Abstract_syntax_tree)

babycode

文章参考

https://www.anquanke.com/post/id/253572#h2-4

装环境:https://github.com/mruby/mruby

在/mruby/bin目录可以反编译字节码

1
./mruby -v -b ../../babycode.mrb

总结:硬读

DASCTF X SU
🍬
HFCTF2022
🍪

About this Post

This post is written by P.Z, licensed under CC BY-NC 4.0.