3班 #spcamp amachang LT
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3班 #spcamp amachang LT

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時間が余らなかったのでCTFの話はできなかった.

時間が余らなかったのでCTFの話はできなかった.

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Transcript

  • 1. 3
  • 2. •3•
  • 3. • • (@sora_h) - /Ruby • (@kaihua7) - • (@yutaka_j08) - • (@loutusu) - Web
  • 4. • : • grep •
  • 5. • IT
  • 6.
  • 7. • grep
  • 8.
  • 9. •• gdb• grep
  • 10. • • gdb • grep
  • 11. grep• grep• grep
  • 12. • : •…
  • 13. • SEGV
  • 14. • 54 3e 8f 29 30 6f 30 d0 30 b0 30 67 30 42 30 8b 30 02 30 c1 30 b1 30 c3 30 c8 75 6a 53 f7 30 6f 30 7e 30 60 71 21 30 44 30 02 30 60 30 8c 30 4c 4f 5c 30 63 30 5f 30 4b 30 68 30 93 30 68 89 8b 5f 53 30 4c 30 64 30 4b 30 6c 30 02 20 28 4f 55 30 67 30 82 30 59 30 54 30 4f 89 07 96 d1 30 6a 62 40 30 67 30 cb 30 e3 30 fc 30 cb 30 e3 30 fc 53 45 47 56 30 57 30 66 30 44 30 5f 4e 8b 30 60 30 51 30 6f 8a 18 61 b6 30 57 30 66 30 44 30 8b 30 02
  • 15. • SEGV
  • 16.
  • 17. grep• 54 3e 8f 29 30 6f 30 d0 30 b0 30 67 30 42 30 8b 30 02 30 c1 30 b1 30 c3 30 c8 75 6a 53 f7 30 6f 30 7e 30 60 71 21 30 44 30 02 30 60 30 8c 30 4c 4f 5c 30 63 30 5f 30 4b 30 68 30 93 30 68 89 8b 5f 53 30 4c 30 64 30 4b 30 6c 30 02 20 28 4f 55 30 67 30 82 30 59 30 54 30 4f 89 07 96 d1 30 6a 62 40 30 67 30 cb 30 e3 30 fc 30 cb 30 e3 30 fc 53 45 47 56 30 57 30 66 30 44 30 5f 4e 8b 30 60 30 51 30 6f 8a 18 61 b6 30 57 30 66 30 44 30 8b 30 02
  • 18. grep•
  • 19. • gdb••
  • 20.
  • 21. • CTF•
  • 22. • Ruby CTF• CTF Ruby veryhard.zip zip•
  • 23. • 3
  • 24. CTF
  • 25. CTF
  • 26. CTF Ruby
  • 27. Q.
  • 28. Q.
  • 29. Q. [ ]
  • 30. Q.
  • 31. sorah
  • 32.
  • 33. easy.zip hard.zipveryhard.zip
  • 34. • Ruby• ?• easy.zip
  • 35. • ruby @sora_h