Challenges (CTF)

1100 topics in this forum

1. [CrackMe] v1.5 python [cmiN]

   By cmiN, May 3, 2009
   • 6 replies
   • 2.9k views
   • 
   • sudo
   • October 31, 2014

2. [Crackme]ASM CrackMe 1

   By Hertz, July 1, 2009
   • 0 replies
   • 2k views
   • 
   • Hertz
   • July 1, 2009

3. [CrackMe]Batch 1

   By Hertz, March 7, 2009
   • 3 replies
   • 2.1k views
   • 
   • rimagheo
   • March 8, 2009

4. [CrackMe]seven

   By Hertz, March 18, 2009
   • 19 replies
   • 3.2k views
   • 
   • SunBeam
   • March 27, 2009

5. [Crackme1]Crackme_X_hard

   By Hertz, March 16, 2009
   • 7 replies
   • 2.2k views
   • 
   • yulyul2004
   • March 23, 2009

6. [Cripto] [#()]_

   By em, May 31, 2014
   • 6 replies
   • 2.5k views
   • 
   • em
   • June 1, 2014

7. [crypto chall] crypto.cs.ubbcluj.ro

   By 1337, February 8, 2016   

   • crypto
   • ubbcluj
   • 4 replies
   • 4.9k views
   • 
   • Donboo
   • February 15, 2016

8. [crypto] Christmas Cipher Challenge 2013

   By sadik, December 19, 2013
   • 0 replies
   • 2k views
   • 
   • sadik
   • December 19, 2013

9. [Crypto] Shared message from partner

   By em, June 1, 2014
   • 4 replies
   • 2.4k views
   • 
   • em
   • June 5, 2014

10. [crypto]Char

    By paxnWo, October 30, 2009
    • 2 replies
    • 2.5k views
    • 
    • a13x4nd7u
    • December 3, 2009

11. [CTF] The most Advance

    By DuTy^, February 24, 2017
    • 1 reply
    • 3.2k views
    • 
    • DuTy^
    • February 26, 2017

12. [Decrypt me - easy] Mesaj de la partener

    By Gio33, January 3, 2015
    • 0 replies
    • 2.2k views
    • 
    • Gio33
    • January 3, 2015

13. [DEFCAMP 2013]Competiţie pentru bilet gratuit!

    By Hertz, September 5, 2013   

    • concurs
    • defcamp
    • (and 2 more)

      Tagged with:

      • concurs
      • defcamp
      • free
      • ticket
    • 5 replies
    • 2.4k views
    • 
    • yoyois
    • September 7, 2013

14. [Dificil] Breaking The King

    By Usr6, June 4, 2016   

    • crypto
    • challenge
    • 4 replies
    • 4.9k views
    • 
    • robyyxx2
    • June 7, 2016

15. [Draw] 2s

    By cmiN, August 1, 2009
    • 8 replies
    • 2.6k views
    • 
    • loki
    • December 30, 2009

16. [Draw] Linii

    By Eminemu, August 2, 2009
    • 2 replies
    • 2.2k views
    • 
    • blueangelmnx
    • August 14, 2009

17. [Easy-Medium] Algo challenge #3

    By Raul, December 16, 2018   

    • algorithm
    • easy
    • (and 2 more)

      Tagged with:

      • algorithm
      • easy
      • challenge
      • medium
    • 4 replies
    • 8k views
    • 
    • Raul
    • December 17, 2018

18. [Easy-Medium] XSS chall

    By Speed123, August 28, 2015
    • 7 replies
    • 2.9k views
    • 
    • Speed123
    • August 30, 2015

19. [Easy.But.Tricky]C++&XSS Challenge

    By Sweby, March 29, 2013
    • 6 replies
    • 2.3k views
    • 
    • dancezar
    • March 31, 2013

20. [Easy] MySQLi - $10 BTC reward

    By sandabot, September 21, 2017
    • 0 replies
    • 5.7k views
    • 
    • sandabot
    • September 21, 2017

21. [easy] sql injection

    By KRONZALAU, February 7, 2014
    • 10 replies
    • 2.7k views
    • 
    • dancezar
    • February 7, 2014

22. [Easy] Afla parola

    By SirGod, October 31, 2009
    • 4 replies
    • 2.9k views
    • 
    • SirGod
    • December 30, 2009

23. [Easy] Ajutati-l pe Dorel

    By A9N, November 10, 2011
    • 0 replies
    • 2k views
    • 
    • A9N
    • November 10, 2011

24. [Easy] Algo challenge #1

    By Raul, December 11, 2018   

    • challenge
    • algorithm
    • (and 1 more)

      Tagged with:

      • challenge
      • algorithm
      • easy
    • 3 replies
    • 14.9k views
    • 
    • urs
    • December 12, 2018

25. [Easy] Algo challenge #2

    By Raul, December 13, 2018   

    • challenge
    • algorithm
    • (and 1 more)

      Tagged with:

      • challenge
      • algorithm
      • easy
    • 10 replies
    • 17.8k views
    • 
    • Raul
    • December 19, 2018