ํฌ์ŠคํŒ… ์ธ๋„ค์ผ ์ด๋ฏธ์ง€

SYSTEM HACKING

[Cheat Engine] ๊ธฐ๋ณธ์ ์ธ ์‚ฌ์šฉ๋ฒ• / ๋‹จ์ถ•ํ‚ค

Cheat Engine ๊ธฐ๋ณธ์ ์ธ ์‚ฌ์šฉ๋ฒ• ๋ช‡ ๋‹ฌ ์•ˆ์ผ๋”๋‹ˆ ๋‹ค๊นŒ๋จน์–ด์„œ... ๋˜ ๊นŒ๋จน์„ ๋ฏธ๋ž˜์˜ ๋‚˜๋ฅผ ์œ„ํ•ด ๊ธฐ๋ก (๊ฐœ์ธ ๊ธฐ๋ก์šฉ์ด๋ผ ๋Œ€์ถฉ ์ž‘์„ฑ๋˜์–ด์žˆ๊ณ , ํ‹€๋ฆฐ ๋ถ€๋ถ„์ด ์žˆ์„ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ์žˆ์œผ๋ฉด ๋Œ“๊ธ€๋กœ ์•Œ๋ ค์ฃผ์„ธ์š”) 0. ๊ธฐ๋ณธ ์„ค์ •(Debug ์šฐํšŒ) Windows์—์„œ Cheat Engine์„ ์‚ฌ์šฉํ•˜๋ฉด ๊ธฐ๋ณธ์ ์œผ๋กœ Windows Debugger๋ฅผ ์‚ฌ์šฉํ•˜๊ณ  ์žˆ๋Š”๋ฐ, ์ด๊ฑธ ๊ฐ์ง€ํ•˜๋Š” ๊ฒฝ์šฐ๊ฐ€ ์žˆ์Œ. ์ด ๊ฒฝ์šฐ Edit > Settings > Debugger Options > Debugger Method์—์„œ Use VEH Debugger ์‚ฌ์šฉ ์ด๊ฒŒ ๋ชจ๋“ ๊ฑธ ์šฐํšŒํ•ด์ฃผ์ง€๋Š” ์•Š์ง€๋งŒ, ์šฐํšŒ๋˜๋Š” ํ”„๋กœ๊ทธ๋žจ๋“ค์ด ๋งŽ์Œ 1. Search String ํ”„๋กœ๊ทธ๋žจ์„ ์‹คํ–‰์‹œ์ผœ์„œ ๋ณด์ด๋Š” ๋ฌธ์ž์—ด/๊ฐ’๋“ค์€ ๋ชจ๋‘ ๋ฉ”๋ชจ๋ฆฌ ์–ด๋”˜๊ฐ€์— ๊ธฐ๋ก๋  ์ˆ˜ ๋ฐ–์— ์—†์Œ. ๋”ฐ๋ผ์„œ ์ด๋ฅผ ..

2022.01.25 ๊ฒŒ์‹œ๋จ

 ํฌ์ŠคํŒ… ์ธ๋„ค์ผ ์ด๋ฏธ์ง€

๋‚˜์˜ ๊ณ ํ˜ˆ์••๊ฑธ๋ฆฌ๋Š” ์—๋Ÿฌ์ผ๊ธฐ

[Frida] Failed to create process.

frida ๋ฐ frida-ps๋ฅผ ์‹คํ–‰ํ•˜๋ฉด ์ €๋Ÿด ๋•Œ๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค. ์ž˜ ๊น”๋ ค์žˆ๋Š”๋ฐ? ํ•˜๊ณ  ๋‹ค์‹œ ๊น”์•„๋„ ์–ด๋ฆผ๋„ ์—†๊ณ , ๊ตฌ๊ธ€ ์ฐพ์•„๋ณด๋ฉด gistory๊น”์•„๋ณด๋ผ๋Š”๋ฐ ์ œ ๊ฒฝ์šฐ๋Š” ๊ทธ๊ฒƒ๋„ ํ•ด๋‹น ์‚ฌํ•ญ์ด ์•„๋‹ˆ์˜€์Šต๋‹ˆ๋‹ค. ๊ฒฐ๋ก ์ ์œผ๋กœ frida์˜ ์›๋ณธ script๋ฅผ ์ฐพ์•„๋ณด์•„์•ผํ•ฉ๋‹ˆ๋‹ค. frida์˜ ์œ„์น˜๋ฅผ ํ™•์ธํ•ด์„œ script ๋‚ด์šฉ์„ ํ™•์ธํ•ด๋ณด์•˜์Šต๋‹ˆ๋‹ค. ์ €๋Š” ์•„๋ž˜ ์œ„์น˜์— ์žˆ์—ˆ์œผ๋ฉฐ, frida-script.py์™€ frida-ps-script.py๋ฅผ ํ™•์ธํ•ด์ฃผ์–ด์•ผํ–ˆ์Šต๋‹ˆ๋‹ค. C:\Users\subin\AppData\Local\Programs\Python\Python39\Scripts ์ € ์ฒซ ๋ฒˆ์งธ ์ค„์˜ python ์œ„์น˜์˜ ๋œป์ด ์ € python.exe๋ฅผ ์‚ฌ์šฉํ•˜๊ฒ ๋‹ค๋Š” ๋œป์ธ๋ฐ, ์œˆ๋„์šฐ๋„ ๊ธฐ๋ณธ์ ์œผ๋กœ ์ € ์œ„์น˜๋ฅผ ์‚ฌ์šฉํ•˜๊ณ  ์žˆ๋Š”์ง€ ํ™•์ธํ•ด๋ด…์‹œ๋‹ค. ๋„ต. ๋ณด๋‹ˆ๊น ..

2022.01.24 ๊ฒŒ์‹œ๋จ

 ํฌ์ŠคํŒ… ์ธ๋„ค์ผ ์ด๋ฏธ์ง€

Coding_Algorithm/๋ฐฑ์ค€ ํ’€์ด

[Python] 11441๋ฒˆ: ํ•ฉ ๊ตฌํ•˜๊ธฐ ํ’€์ด

๋ฐฑ์ค€ ํ’€์ด 13783๋ฒˆ: ํ•ฉ ๊ตฌํ•˜๊ธฐ ํ’€์ด ๋ฌธ์ œ Link : https://www.acmicpc.net/problem/11441 11441๋ฒˆ: ํ•ฉ ๊ตฌํ•˜๊ธฐ ์ฒซ์งธ ์ค„์— ์ˆ˜์˜ ๊ฐœ์ˆ˜ N์ด ์ฃผ์–ด์ง„๋‹ค. (1 โ‰ค N โ‰ค 100,000) ๋‘˜์งธ ์ค„์—๋Š” A1, A2, ..., AN์ด ์ฃผ์–ด์ง„๋‹ค. (-1,000 โ‰ค Ai โ‰ค 1,000) ์…‹์งธ ์ค„์—๋Š” ๊ตฌ๊ฐ„์˜ ๊ฐœ์ˆ˜ M์ด ์ฃผ์–ด์ง„๋‹ค. (1 โ‰ค M โ‰ค 100,000) ๋„ท์งธ ์ค„๋ถ€ํ„ฐ M๊ฐœ์˜ ์ค„์—๋Š” www.acmicpc.net ๋‹จ์ˆœํ•œ ํ•ฉ ๊ตฌํ•˜๊ธฐ ๋ฌธ์ œ์ธ ๊ฒƒ ๊ฐ™๋‹ค. ๊ทธ๋Ÿฌ๋‚˜ ํŠนํžˆ python๊ฐ™์€ ๋Š๋ฆฐ ์–ธ์–ด๋กœ ์ •์งํ•˜๊ฒŒ ์งค ๊ฒฝ์šฐ, ์‹œ๊ฐ„์ดˆ๊ณผ๊ฐ€ ๋ฐœ์ƒํ•˜๊ฒŒ ๋œ๋‹ค. import sys input = sys.stdin.readline N = int(input()) n_list = list(map(int, inp..

2022.01.20 ๊ฒŒ์‹œ๋จ

 ํฌ์ŠคํŒ… ์ธ๋„ค์ผ ์ด๋ฏธ์ง€

SYSTEM HACKING

[ZAFL] Some Settings

๋…ผ๋ฌธ์„ ์ฝ๊ณ  ์‚ฌ์šฉํ•ด๋ณด๋Š” ์ค‘์ž…๋‹ˆ๋‹ค https://www.usenix.org/conference/usenixsecurity21/presentation/nagy Breaking Through Binaries: Compiler-quality Instrumentation for Better Binary-only Fuzzing | USENIX Open Access Media USENIX is committed to Open Access to the research presented at our events. Papers and proceedings are freely available to everyone once the event begins. Any video, audio, and/or slides that a..

2022.01.11 ๊ฒŒ์‹œ๋จ