CTF Challenges Source Backup

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1. BsidesSF

   • 2016 -> https://github.com/IonizeCbr/BSidesCTF
   • 2017 -> https://github.com/BSidesSF/ctf-2017-release
   • 2018 -> https://github.com/teambi0s/BSides-CTF
   • 2019 -> https://github.com/BSidesSF/ctf-2019-release

2. PicoCTF

   • 2013 -> https://github.com/picoCTF/picoCTF-2013-problems

3. CJCTF 2018 -> https://github.com/farisv/CJ2018-Final-CTF

4. KiddoCTF -> https://ipvfletch.github.io/KiddoCTF/

5. phrackCTF -> https://github.com/zjlywjh001/phrackCTF-Personal-Docker

6. X-MAS-CTF 2018 -> https://github.com/HecariiTuicaSiPaunii/X-MAS-CTF-2018

7. microctfs -> https://github.com/gabemarshall/microctfs

8. TUCTF 2018 -> https://gitlab.com/tuctf2018

9. TamuCTF 2019 -> https://github.com/tamuctf/TAMUctf-2019

10. StemCTF -> https://github.com/mitre-cyber-academy

11. RitsecCTF 2018 -> https://github.com/ritsec/RITSEC-CTF-2018

12. UTCTF 2019 -> https://github.com/UTISSS/UTCTF

13. 34c3CTF -> https://github.com/eboda/34c3ctf

14. GreHackCTF -> https://github.com/GreHack/CTF-challs

15. StripeCTF -> https://github.com/ab/stripe-ctf

16. InCTF

    • Internationals -> https://github.com/teambi0s/InCTFi/tree/master/2018
    • Nationals -> https://github.com/teambi0s/InCTF/tree/master/2018

17. LCTF -> https://github.com/LCTF/LCTF2018

18. Defcon2013 -> https://github.com/legitbs/quals-2013

19. CTF FWHIBBIT -> https://github.com/belane/I-CTF-FWHIBBIT

20. SunshineCTF 2017 -> https://github.com/HackUCF/SunshineCTF-2017-Public

21. DCI-CTF -> https://github.com/dciets/dci-ctf-2017

22. APA-IUTcert CTF -> https://github.com/Execut3/Held-CTF

23. GreyHaT-crypto-CTF -> https://github.com/nickbjohnson4224/greyhat-crypto-ctf-2014

24. CFI-CTF 2018-> https://github.com/CFI-UL/2018-CFI-CTF

25. RC3 CTF Rev 2014 -> https://github.com/RITC3/RC3CTF-2014-reversing

26. LC3 CTF -> https://github.com/emc2314/lc3ctf

27. Freelancer CTF Winter 2016 -> https://github.com/minight/ctf-chals

28. SeasidesCTF 2019 -> https://github.com/arush15june/seasidesctf-challenges

29. PragyanCTF 2017 -> https://github.com/n0l3ptr/PragyanCTF2017

30. SECCON CTF

    • 2015 -> https://github.com/SECCON/SECCON2015_online_CTF
    • 2016 -> https://github.com/SECCON/SECCON2016_online_CTF
    • 2017 -> https://github.com/SECCON/SECCON2017_online_CTF
    • 2018 -> https://github.com/SECCON/SECCON2018_online_CTF

31. CSAW CTF (QUALS)

    • 2016 -> https://github.com/osirislab/CSAW-CTF-2016-Quals
    • 2017 -> https://github.com/osirislab/CSAW-CTF-2017-Quals
    • 2018 -> https://github.com/osirislab/CSAW-CTF-2018-Quals
    • 2019 -> https://github.com/osirislab/CSAW-CTF-2019-Quals

32. Nullcon HACKIM 2019 -> https://github.com/nullcon/hackim-2019

33. Google CTF

    • Beginners

      • 2018 -> https://github.com/google/google-ctf/tree/master/2018/beginners

    • Quals

      • 2017 -> https://github.com/google/google-ctf/tree/master/2017/quals
      • 2018 -> https://github.com/google/google-ctf/tree/master/2018/quals

    • Finals

      • 2017 -> https://github.com/google/google-ctf/tree/master/2017/finals
      • 2018 -> https://github.com/google/google-ctf/tree/master/2018/finals

34. ICE CTF 2015 -> https://github.com/IceCTF/Problems-2015

35. PlaidCTF 2014 -> https://github.com/pwning/plaidctf2014

36. InsomniHack 2015 -> https://github.com/Insomnihack/Insomnihack-2015

37. EncryptCTF 2019 -> https://github.com/mishrasunny174/encrypt-ctf

38. RootersCTF 2019 -> https://github.com/abs0lut3pwn4g3/RootersCTF2019-challenges

39. SwampCTF 2019 -> https://github.com/ufsit/SwampCTF-2019-Challenges

40. RitsecCTF 2019 -> https://github.com/ritsec/RITSEC-CTF-2019

41. CSAW CTF 2019 Finals -> https://github.com/osirislab/CSAW-CTF-2019-Finals

42. Balsn CTF 2019 -> https://github.com/balsn/balsn-ctf-2019

43. Mixed

    • 2015 ->
      1. https://github.com/ctfs/write-ups-2015
      2. https://github.com/smokeleeteveryday/CTF_WRITEUPS/tree/master/2015
    • 2016 -> https://github.com/ctfs/write-ups-2016
    • 2017 -> https://github.com/ctfs/write-ups-2017
    • Random -> https://github.com/l4wio/CTF-challenges-by-me

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2020

1. UTCTF-20 -> https://github.com/utisss/UTCTF-20

2. HACKTM-CTF -> https://gitlab.com/hacktm-ctf

3. NULLCON-CTF -> https://github.com/nullcon/

4. TAMU-CTF -> https://github.com/tamuctf/TAMUctf-2020

5. B01lers-CTF -> https://github.com/b01lers/b01lers-ctf-2020

6. AU-CTF -> https://github.com/auehc/AUCTF-2020

7. Rift-CTF -> https://github.com/riftctf2020/rift2020

8. Google CTF quals -> https://github.com/google/google-ctf/tree/master/2020/quals

2021

1. Break the Syntax CTF -> https://github.com/PWrWhiteHats/BtS-CTF-Challenges-03-2021

2. zer0pts CTF -> https://gitlab.com/zer0pts/zer0pts-ctf-2021