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  1. EasyUPX
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Coda

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EasyUPX

Posted on 2025-11-06 In CTF , wp

EasyUPX

https://hgame.vidar.club/games/8/challenges?challenge=121

根据题目名称,

upx -d main.exe

成功解包,拖入IDA, 先看看Strings

EasyUPX-1

显然这是一个b64换表,获得字符表
再看看pseudocode
获得cipher

EasyUPX-2

直接运行脚本

EasyUPX-3

# RE
Basic Encryptions in RE
Z333333
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