๋ณธ๋ฌธ ๋ฐ”๋กœ๊ฐ€๊ธฐ

Reversing1

[Reverse Engineering] CodeEngn Basic RCE L12 WriteUp ๐Ÿ’ฅ CodeEngn Basic RCE L12 WriteUp 1. ๋ฌธ์ œ ํ™•์ธ ํ›„ ํŒŒ์ผ ๋‹ค์šด๋กœ๋“œ 2. 7-Zip File Manager ์„ ํ†ตํ•ด ํŒŒ์ผ ์••์ถ• ํ•ด์ œ --> 12 ํŒŒ์ผ ์† ์‘์šฉ ํ”„๋กœ๊ทธ๋žจ ๋ฐœ๊ฒฌ 3. 12.exe ํŒŒ์ผ์„ ์‹คํ–‰ํ•˜์—ฌ ์ž„์˜์˜ ๊ฐ’์„ ์ž…๋ ฅํ•œ ํ›„ "Check" ๋ฒ„ํŠผ ํด๋ฆญ --> ์•„๋ฌด ์ผ๋„ ์ผ์–ด๋‚˜์ง€ ์•Š์Œ์„ ํ™•์ธ 4. 12.exe ํŒŒ์ผ์„ Immunity Debugger ์—์„œ ์‹คํ–‰ 5. ์Šคํฌ๋กค์„ ๋‚ด๋ฆฌ๋‹ค๋ณด๋‹ˆ, ์‚ฌ์šฉ์ž๋กœ๋ถ€ํ„ฐ ์ž…๋ ฅ๋ฐ›์€ Key ๊ฐ’์„ ์ง„์งœ Key ๊ฐ’๊ณผ ๋น„๊ตํ•˜๋Š” ๋ถ€๋ถ„ ๋ฐœ๊ฒฌ ++ ์œ ์ถ” ๊ฐ€๋Šฅํ•œ ์‚ฌ์‹ค๋“ค # ์ง„์งœ Key ๊ฐ’ : 7A2896BF # ์‚ฌ์šฉ์ž๊ฐ€ ์ž…๋ ฅํ•œ Key ๊ฐ’ : EAX ๋ ˆ์ง€์Šคํ„ฐ์— ์ €์žฅ 6. ๋‹ค์‹œ 12.exe ํŒŒ์ผ์„ ๋”๋ธ”ํด๋ฆญํ•˜์—ฌ ๋ฐœ๊ฒฌํ•œ ์ง„์งœ Key ๊ฐ’ ์ž…๋ ฅ --> ๋ฌธ์ œ๊ฐ€ ์„ฑ๊ณต์ ์œผ๋กœ ํ•ด๊ฒฐ๋˜์—ˆ.. 2023. 11. 9.

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