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์ •๋ณด๋ณด์•ˆ/์˜จ๋ผ์ธํ•ดํ‚น๋Œ€ํšŒ(CTF)

[HackCTF] Welcome_Forensics, Question? (forensics)

by - ์˜คํŠธ - 2021. 5. 29.

https://ctf.j0n9hyun.xyz/challenges

 

HackCTF

Do you wanna be a God? If so, Challenge!

ctf.j0n9hyun.xyz

 

Welcome_Forensics

์ผ๋‹จ ์‚ฌ์ง„์ด ์„ธ๋กœ๋กœ ์™„์ „ํžˆ ์••์ถ•๋˜์—ˆ๋‹ค

์–ด๋–ป๊ฒŒ ํฌ๋ Œ์‹ ๋ฌธ์ œ์ธ์ง€๋Š” ๋ชจ๋ฅด๊ฒ ๋Š”๋ฐ ์ผ๋‹จ

ํŒŒ์›Œํฌ์ธํŠธ๋กœ ๋ณต๋ถ™ํ•ด๋ณด๋‹ˆ ๋ฐ”๋กœ ์ด๋ ‡๊ฒŒ ํ”Œ๋ž˜๊ทธ ๊ฐ’์ด ์ œ๋Œ€๋กœ ๋‚˜์™”๊ณ 

๋‘๋ฒˆ์งธ๋กœ๋Š” ๋‹ค๋ฅธ์ด๋ฆ„์œผ๋กœ ์ €์žฅํ–ˆ์„ ๋•Œ๋„ ์ •๋ง ํ”Œ๋ž˜๊ทธ ๊ฐ’์ด ๊ทธ๋Œ€๋กœ ๋‚˜์™”๋‹ค

 

HackCTF{w3lc0m3_70_f0r3n51c_w0rld!}


Question?

์••์ถ•ํŒŒ์ผ์„ ํ•ด์ œํ•ด์„œ ๋”๋ธ”ํด๋ฆญํ•˜๋ฉด

 

์ด๋Ÿฐ ํŒŒ์ผ์ด ๋‚˜์˜จ๋‹ค

 

HxD๋กœ ํ™•์ธํ•˜๋ฉด ํŒŒ์ผ ์‹œ๊ทธ๋‹ˆ์ฒ˜์—๋Š” ์ด์ƒ์ด ์—†๋‹ค

๊ทธ๋Ÿผ Decoded text์—์„œ HackCTF๋ฅผ ๊ฒ€์ƒ‰ํ•ด๋ดค๋”๋‹ˆ ์ด๋ ‡๊ฒŒ ํ”Œ๋ž˜๊ทธ ๊ฐ’์ด ๋‚˜์˜จ๋‹ค

 

HackCTF{P1e45e_find_m3}