System Hacking

[pwnable.kr] flag

BIGFROG 2019. 7. 17. 21:20

UPX 패킹이 되어 있었는데, 간단하게 툴로 언패킹하고 gdb로 뜯어봤다.

최신버전은 여기에서..

https://upx.github.io/

 

UPX: the Ultimate Packer for eXecutables - Homepage

Welcome UPX is a free, portable, extendable, high-performance executable packer for several executable formats. Please also see the Wikipedia entry for some more background info. Blog Posts 26 Aug 2018 » UPX 3.95 released 12 May 2017 » UPX 3.94 released 29

upx.github.io

peda는 너무 좋은것 같다.. 플래그가 바로나옴.

peda가 알려줬지만 그래도 한번 쫓아가봄.