[Insomni'hack 2019] beginner reverse write up

2019-02-08

beginner reverse는 64bit 바이너리의 rust 언어로 된 리버싱 문제이다.
막상 대회때는 제대로 보지 않은 문제인데, write up 쓰려고 찾다가 고르게 되었다 ㅎㅎ
비슷한 시기에 나왔다는 go언어는 해봤지만, rust는 좀 어렵다고 해서 거리감을 가지고 있었는데 이렇게 리버싱으로 접하게되어 반가웠다.

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[Insomni'hack 2019] Junkyard(미완성)

2019-02-08

Problem description:

Wall-E got stuck in a big pile of sh*t. To protect him from feeling too bad, its software issued an emergency lock down. Sadly, the software had a conscience and its curiosity caused him to take a glance at the pervasive filth. The filth glanced back, and then…

Please free Wall-E. The software was invented by advanced beings, so maybe it is way over your head. Please skill up fast though, Wall-E cannot wait for too long. To unlock it, use the login “73FF9B24EF8DE48C346D93FADCEE01151B0A1644BC81” and the correct password.

Software was leaked a long time ago and is available here

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[Insomni'hack 2019] beginner_reverse

2019-01-30

Insomni'hack teaser 2019에 출제된 beginner_reverse 문제이다. 대회 당일에는 l33t-hoster를 봤었는데 서버도 닫히고 어려워서 포기했다ㅠㅜ 이 문제는 리버싱 문제인데 beginner니까 쉽지 않을까 하고 도전해봤다..

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