ctf_aria

write up ctf by ariafatah

Project maintained by ariafatah0711 Hosted on GitHub Pages — Theme by mattgraham

soal

Someone’s commits seems to be preventing the program from working. Who is it?
You can download the challenge files here:
challenge.zip

hint

In collaborative projects, many users can make many changes. How can you see the changes within one file?
Read the chapter on Git from the picoPrimer here.
You can use python3 .py to try running the code, though you won't need to for this challenge.

solve

wget https://artifacts.picoctf.net/c_titan/159/challenge.zip
unzip challenge.zip
cd drop-in/

cat message.py
# print("Hello, World!"

git log | grep -v "important business work"
# commit 23e9d4ce78b3cea725992a0ce6f5eea0bf0bcdd4
# Author: picoCTF{@sk_th3_1nt3rn_81e716ff} <ops@picoctf.com>
# Date:   Tue Mar 12 00:07:15 2024 +0000

#    optimize file size of prod code

# commit 3ce5c692e2f9682a866c59ac1aeae38d35d19771
# Author: picoCTF <ops@picoctf.com>
# Date:   Tue Mar 12 00:07:15 2024 +0000

#     create top secret project

git shortlog
# picoCTF (501):
#       create top secret project
#       important business work
#       important business work
#       important business work

git shortlog -s -n
#    501  picoCTF
#      1  picoCTF{@sk_th3_1nt3rn_81e716ff}

## ternyata terdapat author yang bernama flag itu sendiri
# picoCTF{@sk_th3_1nt3rn_81e716ff}

flag

picoCTF{@sk_th3_1nt3rn_81e716ff}