Hacking Tube

考量到參與 AIS3 2015 pre-exam 的人幾乎都是台灣人
這個 blog 的第一篇中文 writeup 就獻給這篇了 XD
基本上就是全包這次 exam 的所有題目
有問題歡迎留言討論

Different people see different me.
But I am always myself.
202.112.26.114:12321

Make the output of your program exactly the same as your source code.
All 5 correct required to get this flag (Only need 3 correct for BabyPolyQuine)

$python2 --version
Python 2.7.6

$python3 --version
Python 3.4.0

$gcc --version
gcc (Ubuntu 4.8.2-19ubuntu1) 4.8.2

$ruby --version
ruby 1.9.3p484 (2013-11-22 revision 43786) [x86_64-linux]

$perl --version
This is perl 5, version 18, subversion 2 (v5.18.2) built for x86_64-linux-gnu-thread-multi

BackdoorCTF 2015

For me, this is a challenge for CTF beginners. Most of the challenges are easy to solve, although some of them require some "imagination"...

In this writeup, I'll post the solutions of all the binary challenges and the misc challenges that I solved in the CTF.

Category: Misc
Points: 75

Just a tiny application, that lets the user write some files and compile them with pdflatex.
What can possibly go wrong?
nc 78.46.224.91 24242

Talentyange gives lots of tedious apks and you know how bad he is now. Let's try some interesting geography knowledge.

nc 202.112.26.111 29995 / nc 202.112.28.118 29995

Both challenges are kind of easy, so I decide to put their writeups together.