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CTF Cyber Warrrior Writeup

CTF Cyber Warrrior Writeup

Overview

This writeup covers my solutions for CTF Cyber Warrior 2025 and explains the steps I used to solve each challenge.

1. MARK THE MOMENT

Challenge 1 Screenshot

Solution Steps

  1. First, take the date provided in the question.
  2. Convert the given date into a Unix timestamp using an online converter or command line.
  3. After obtaining the Unix timestamp (1752627600), submit the answer in the required format:

2. Sanity Check

Challenge 2 Screenshot

Solution Steps

  1. Join discord group.
  2. Then found this Alt text
  3. Decrypt this word Alt text
  4. Found flag

3. CYDES Coordinates

Challenge 3 Screenshot

Solution Steps

  1. The first step is to identify the questions given so that they do not deviate from the purpose.
  2. Second step, use the tool you downloaded.
  3. The third step is to wait for the process to complete
  4. The final step after the answer comes out is to enter it into the box provided.

4. Double Defense

Challenge 4 Screenshot

Solution Steps

  1. Download File decoder.py and challenge
  2. Then run code decode.py
  3. Decoded Flag: ctfcw{doubl3_secur3}

5. Triple triplet

Challenge 5 Screenshot

Solution Steps

  1. Download decode.py and triplet.enc
  2. Then fix code decode.py Alt text
  3. Decrypted flag: ctfcw{triple_entente} Alt text

6. Multipack trouble

Challenge 6 Screenshot

Solution Steps

  1. Download decode.py and triplet.enc
  2. Fix code gen_multi.py Alt text
  3. Flag: ctfcw{multipack_trouble} Alt text

7. Quadruple_pack_trouble

Challenge 7 Screenshot

Solution Steps

  1. Download decode.py and triplet.enc
  2. Fix code decode.py Alt text
  3. Decrypted flag: ctfcw{multipack_trouble_two}

8. The Cat who loved me

Challenge 8 Screenshot

Solution Steps

  1. Dowload file
  2. Found this Zsteg

Alt text

  1. Then decode

Alt text

9. Flagception

Challenge 9 Screenshot

Solution Steps

  1. Open 30 folder flag
  2. Then found final.txt
  3. CW25{z1pp1ng_m3_s0ftly}

10. Simsimi

Challenge 10 Screenshot

Solution Steps

  1. Dowload file
  2. Read code
  3. Then found this Alt text
  4. Then say pls to bot Alt text

11. Keyboard smash

Challenge 11 Screenshot

Solution Steps

  1. Dowload file
  2. Read code
  3. Then found flag Alt text
This post is licensed under CC BY 4.0 by the author.