ALL POSTS (45)

  • OS (3)
  • C-Family (4)
  • REVERSING (29)
  • Win-API (1)
  • algorithm (3)
  • cryptosystem (2)
  • etc (1)
  • Linux (1)
  • ์„œ๋ฒ„ ํ”„๋กœ๊ทธ๋ž˜๋ฐ (8)

    • [๋ฆฌ๋ฒ„์‹ฑ] : NtQuerySystemInformation()๋ฅผ ํ™œ์šฉํ•œ Anti-Debug

    #REVERSING
    NtQuerySystemInformation์„ ์•ˆํ‹ฐ ๋””๋ฒ„๊น…์— ํ™œ์šฉํ•˜๋Š” ๋ฐฉ๋ฒ•

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    [๋ฆฌ๋ฒ„์‹ฑ] : KeyGen ํ’€์ด - DreamHack Wargame Level1

    #REVERSING
    Dreamhack Level1 rev-basic-3 ๋ฌธ์ œ ํ’€์ด ๊ธฐ๋ก

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    [๋ฆฌ๋ฒ„์‹ฑ] : MS์—์„œ ์ง€์›ํ•˜๋Š” ์•ˆํ‹ฐ ๋””๋ฒ„๊น… (IsDebuggerPresent)

    #REVERSING
    Microsoft์—์„œ ์ง€์›ํ•˜๋Š” ์•ˆํ‹ฐ ๋””๋ฒ„๊น… IsDebuggerPresent์˜ ์ž‘๋™ ๋ฐฉ์‹

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    [๋ฆฌ๋ฒ„์‹ฑ] : KeyGen ํ’€์ด - FSC Level 2

    #REVERSING
    F-secure Level 2 ๋ฌธ์ œ ํ’€์ด ๊ธฐ๋ก

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