2023-10-18-Convertme.py

Description

Run the Python script and convert the given number from decimal to binary to get the flag. Download Python script

Hint 1

Look up a decimal to binary number conversion app on the web or use your computer’s calculator!

Hint 2

The str_xor function does not need to be reverse engineered for this challenge.

Hint 3

If you have Python on your computer, you can download the script normally and run it. Otherwise, use the wget command in the webshell.

Hint 4

To use wget in the webshell, first right click on the download link and select ‘Copy Link’ or ‘Copy Link Address’

Hint 5

Type everything after the dollar sign in the webshell: $ wget , then paste the link after the space after wget and press enter. This will download the script for you in the webshell so you can run it!

Hint 6

Finally, to run the script, type everything after the dollar sign and then press enter: $ python3 convertme.py

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Step 1

Download and run the python file. where you will get this in the terminal

┌─[user@parrot]─[~/Downloads/PicoCTF]
└──╼ $python3 convertme.py 
If 18 is in decimal base, what is it in binary base?
Answer:

Step 2

Step 3

The answer is 10010

That is correct! Here's your flag: picoCTF{*****************}

Flag

Flag

That is correct! Here’s your flag: picoCTF{*****************}