Challenges (CTF)

1104 topics in this forum

1. [CrackMe] 3 Nivele

   By Sega, September 3, 2011
   • 13 replies
   • 15.2k views
   • 
   • pelican
   • September 7, 2011

2. Cyber Security Challenge Belgium

   By Usr6, March 2, 2018
   • 2 replies
   • 14.8k views
   • 
   • Usr6
   • March 2, 2018

3. Awesome vmware escape exploit

   By DVbeer, July 6, 2021   

   • vm
   • vmware
   • (and 3 more)

     Tagged with:

     • vm
     • vmware
     • escape
     • awesome
     • exploit
   • 0 replies
   • 14.5k views
   • 
   • DVbeer
   • July 6, 2021

4. Problemă de probabilitate 1 2 3

   By wildchild, July 25, 2013
   • 65 replies
   • 14.2k views
   • 
   • crs12decoder
   • September 11, 2013

5. I don't even .. 1 2 3

   By em, September 19, 2012
   • 50 replies
   • 13.6k views
   • 
   • xexx
   • October 2, 2012

6. PHP Quiz 1 2 3

   By Nytro, April 20, 2008
   • 53 replies
   • 13.5k views
   • 
   • Fed0t
   • October 17, 2011

7. Unbreakable 2024

   By Nytro, January 31, 2024
   • 1 reply
   • 13.1k views
   • 
   • Nytro
   • February 16, 2024

8. WHAT THE HACK?!

   By Nytro, June 9, 2015
   • 12 replies
   • 12.9k views
   • 
   • loratabisa
   • December 23, 2017

9. UNbreakable România

   By Nytro, October 2, 2020
   • 1 reply
   • 12.6k views
   • 
   • Nytro
   • May 14, 2021

10. Câștigă $500 găsind soluția ideală pentru un test „C” 1 2

    By B7ackAnge7z, September 11, 2013   

    • $1250
    • c (programming language)
    • (and 1 more)

      Tagged with:

      • $1250
      • c (programming language)
      • hola
    • 38 replies
    • 12.5k views
    • 
    • Kapatos
    • June 10, 2014

11. [begood] RST Anonymous Challenge 1 2

    By begood, March 21, 2010   

    • anonymous
    • begood
    • (and 4 more)

      Tagged with:

      • anonymous
      • begood
      • challenge
      • findme
      • rst
      • wargame
    • 46 replies
    • 11.9k views
    • 
    • begood
    • April 8, 2010

12. Is this PC clean? *one minute* 1 2 3

    By em, May 13, 2013
    • 57 replies
    • 11.9k views
    • 
    • em
    • May 22, 2013

13. [C] Artificial Intelligence

    By yoyois, March 18, 2012   

    • conway
    • game of life
    • (and 1 more)

      Tagged with:

      • conway
      • game of life
      • viu
    • 13 replies
    • 11.8k views
    • 
    • Matei
    • March 20, 2012

14. [Easy] Algo challenge #4

    By Raul, December 20, 2018   

    • easy
    • algorithm
    • (and 1 more)

      Tagged with:

      • easy
      • algorithm
      • challenge
    • 9 replies
    • 11.8k views
    • 
    • Oklah
    • January 17, 2019

15. RFID metrorex challenge

    By target_, January 30, 2019   

    • nfc
    • decoding
    • (and 2 more)

      Tagged with:

      • nfc
      • decoding
      • rfid
      • mifare
    • 16 replies
    • 11.6k views
    • 
    • target_
    • February 20, 2019

16. C++ Fibonacci 1 2

    By gotr00t, February 5, 2012
    • 35 replies
    • 11.6k views
    • 
    • cmiN
    • February 10, 2012

17. ABSO-CTF

    By YKelyan, November 28, 2021   

    • ctf
    • 2 replies
    • 11.5k views
    • 
    • YKelyan
    • December 29, 2021

18. DarkCON

    By YKelyan, February 18, 2021
    • 0 replies
    • 11.4k views
    • 
    • YKelyan
    • February 18, 2021

19. DefCamp Capture the Flag 2020

    By Nytro, November 25, 2020
    • 2 replies
    • 11.4k views
    • 
    • Nytro
    • November 30, 2020

20. X-MAS CTF

    By Nytro, December 12, 2020
    • 0 replies
    • 11.3k views
    • 
    • Nytro
    • December 12, 2020

21. [Easy] Find the hidden text

    By Byte-ul, May 29, 2016
    • 1 reply
    • 11.2k views
    • 
    • unic
    • December 22, 2019

22. Shared secret 1 2

    By em, May 11, 2014
    • 49 replies
    • 11.2k views
    • 
    • yoyois
    • May 19, 2014

23. Daca esti om Arata-te

    By kadytgv, August 5, 2019
    • 8 replies
    • 11.1k views
    • 
    • u0m3
    • August 9, 2019

24. Inscriere ECSC 2020

    By Nytro, April 1, 2020
    • 2 replies
    • 10.8k views
    • 
    • Nytro
    • May 9, 2020

25. AI Challenge

    By Fi8sVrs, October 18, 2011
    • 0 replies
    • 10.7k views
    • 
    • Fi8sVrs
    • October 18, 2011