# Creds : Dutchen18, TuanLinh, Ariana
# 1. Fix the zip file : (Ubuntu 16.04)![image](https://github.com/kuqadk3/CTF-and-Learning/blob/master/ISITDTU%20CTF/Drill/fix_zip.PNG)
# 2. Extract and brute force password of all zip :
I wrote the script multiple_unzip.py, use fcrackzip and unzip on ubuntu to extract 500 zip file with rockyou wordlist and 500-worst-password worst list. The 500-worst to solve the first zip, password is boston, other zip is ok with rockyou
![image](https://github.com/kuqadk3/CTF-and-Learning/blob/master/ISITDTU%20CTF/Drill/multiple_unzip.png)
Unzip till 0.zip :
![image](https://github.com/kuqadk3/CTF-and-Learning/blob/master/ISITDTU%20CTF/Drill/ubuntu.png)
# 3. Got key.png and box.zip :
Inside the box.zip, there is flag.txt
![image](https://github.com/kuqadk3/CTF-and-Learning/blob/master/ISITDTU%20CTF/Drill/box.png)
Key is inside key.png, the red dots in picture is morse code, i wrote python code to read it :
![image](https://github.com/kuqadk3/CTF-and-Learning/blob/master/ISITDTU%20CTF/Drill/morse.PNG)
Extract box.zip with decoded morse, we got final flags :
![image](https://github.com/kuqadk3/CTF-and-Learning/blob/master/ISITDTU%20CTF/Drill/final.png)
