i18 Challenge - Part 2

4 minute read Published: 17 Jul, 2019

Here is the second part of the i18 CTF with 4 more challenges. This time I learned about Reverse Engineering, DNS lookup, more RE, and finally some steganography that ended up not working.

5: Lett fluidmekanikk An executable file. Clue one: The program also accepts the password as an argument. Clue two: The password exists (perhaps) in a dictionary. We get an executable file asking for a password. Enter the wrong one and it quits. I’m a complete beginner in Reverse Engineering but I have enjoyed a few tutorial videos so let’s jump right in with Immunity. When you open the file, right click View module ‘crackme’.

i18 Challenge - Part 1

5 minute read Published: 10 Jul, 2019

I was given the link to this CTF that ran back in 2015, and I thought I would take the opportunity to start writing about my thought process using these challenges. If you want to try for yourself, the link is at the beginning of the post.

The i18 has 13 challenges that you can find at this address. This CTF is in Norwegian, but has a very small amount of text so google translate is more than enough, but I will translate the text and clues to english here. This is the first part of my writeup where I will do the first 4 challenges. It is very possible that I will make mistakes or take longer path to the flag, so if you have any recommandation or correction, feel free to contact me by email or twitter.