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Security

picoGym: The Answers

As we are challenging myself in picoGym, here is the guide on how to get the answer.

The hints are very helpful.

Obedient Cat

Click the picoCTF web shell.

Download:

wget https://mercury.picoctf.net/static/217686fc11d733b80be62dcfcfca6c75/flag

Check the file:

ls -li

See the file:

cat flag

Copy the answer – picoCTF{xxx} and post it into the field submit.

Wave a flag

Click the picoCTF web shell.

Download:

wget https://mercury.picoctf.net/static/a14be2648c73e3cda5fc8490a2f476af/warm

Check the file:

ls -li

Change the permission to executable:

chmod +x warm

Run:

warm -h

Copy the answer – picoCTF{xxx} and post it into the field submit.

Mod 26

Open up browser: www.rot13.com

Enter the info:

cvpbPGS{arkg_gvzr_V'yy_gel_2_ebhaqf_bs_ebg13_MAZyqFQj}

Click the ROT13 button.

Copy the answer – picoCTF{xxx} and post it into the field submit.

Python Wrangling

Click the picoCTF web shell.

Download:

wget https://mercury.picoctf.net/static/8e33ede04d02f3765b8c6a6e24d72733/ende.py
wget https://mercury.picoctf.net/static/8e33ede04d02f3765b8c6a6e24d72733/pw.txt
wget https://mercury.picoctf.net/static/8e33ede04d02f3765b8c6a6e24d72733/flag.txt.en

Open the pw.txt to get the password:

cat pw.txt

Run:

python ende.py

This will show you how to use this file. -e is encrypted and -d is decryped.

python ende.py -d flag.txt.en

Enter the password based on pw.txt

Copy the answer – picoCTF{xxx} and post it into the field submit.

Credits

Photo by Pixabay: https://www.pexels.com/photo/blur-bright-business-codes-207580/

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Creator of Dewapost. Admin of Dewapost. Love tech in any kind :)

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