CTF Challenges

Test your skills with these capture-the-flag challenges

Challenge 1
Challenge 2
Challenge 3

Basic Security Challenge

Find the hidden flag in this webpage. The flag is a secret string that's been encoded and hidden in the page source.

Hint:

Inspect the page source carefully. The answer is encoded in Base64 format.

Network Analysis Challenge

Analyze the following network packet data to find the secret flag:

48 65 78 20 66 6c 61 67 3a 20 54 68 31 73 49 73 4e 30 74 48 33 78

Hint:

Convert the hex values to ASCII characters.

Cryptography Challenge

Decrypt the following ciphertext to find the flag:

Gur svefg pbqr vf "pbqr{p1zza}"

Hint:

This uses ROT13 cipher (rotate each letter by 13 positions).