soal

Run the Python script code.py in the same directory as codebook.txt.
Download code.py
Download codebook.txt

hint

• On the webshell, use ls to see if both files are in the directory you are in
• The str_xor function does not need to be reverse engineered for this challenge.

solve

wget https://artifacts.picoctf.net/c/1/code.py
wget https://artifacts.picoctf.net/c/1/codebook.txt

cat codebook.txt
# azbycxdwevfugthsirjqkplomn

python3 code.py
# picoCTF{c0d3b00k_455157_d9aa2df2}

flag

picoCTF{c0d3b00k_455157_d9aa2df2}