๋ณธ๋ฌธ ๋ฐ”๋กœ๊ฐ€๊ธฐ

๋ถ„๋ฅ˜ ์ „์ฒด๋ณด๊ธฐ439

[Windows] ํŒŒ์ผ ํƒ์ƒ‰๊ธฐ์—์„œ์˜ ํ™•์žฅ์ž ์ˆจ๊ธฐ๊ธฐ + ๋ณด์ด๊ธฐ ์„ค์ •๋ฒ• ๐Ÿฌ ํŒŒ์ผ ํƒ์ƒ‰๊ธฐ์—์„œ์˜ ํ™•์žฅ์ž ์ˆจ๊ธฐ๊ธฐ + ๋ณด์ด๊ธฐ ์„ค์ •๋ฒ• 1. ํŒŒ์ผ ํƒ์ƒ‰๊ธฐ์—์„œ ํŒŒ์ผ๋ช…์„ ๋ณด๋ฉด, ํŒŒ์ผ์˜ ํ™•์žฅ์ž๊ฐ€ ๋ณด์ด์ง€ ์•Š์Œ 2. ์šฐ์ธก ์ƒ๋‹จ์˜ '๋”๋ณด๊ธฐ' ๋ฒ„ํŠผ ํด๋ฆญ 3. ์ตœํ•˜๋‹จ์— ์žˆ๋Š” '์˜ต์…˜' ๋ฒ„ํŠผ ํด๋ฆญ 4. ์ขŒ์ธก์—์„œ 2๋ฒˆ์งธ์— ์žˆ๋Š” '๋ณด๊ธฐ' ํƒญ์œผ๋กœ ์ด๋™ 5. '์•Œ๋ ค์ง„ ํŒŒ์ผ ํ˜•์‹์˜ ํ™•์žฅ๋ช… ์ˆจ๊ธฐ๊ธฐ' ์„ ํƒ์ง€์— ์ฒดํฌ ํ•ด์ œ ํ›„ 'ํ™•์ธ' ํด๋ฆญ 6. ๋‹ค์‹œ ์›๋ž˜ ํŒŒ์ผ์„ ๋ณด๋ฉด, ํŒŒ์ผ๋ช…์˜ ๋งˆ์ง€๋ง‰์— ํ™•์žฅ์ž๊ฐ€ ํ‘œ์‹œ๋จ 2023. 9. 28.
[Network Communications & Security] Ubuntu(์šฐ๋ถ„ํˆฌ) ์—์„œ์˜ Docker ์‹ค์Šตํ™˜๊ฒฝ ๊ตฌ์ถ• ๐ŸฅŒ Ubuntu(์šฐ๋ถ„ํˆฌ) ์—์„œ์˜ Docker ์‹ค์Šตํ™˜๊ฒฝ ๊ตฌ์ถ• 1. Ubuntu ๊ฐ€์ƒํ™˜๊ฒฝ ์‹คํ–‰ ํ›„, ํŒŒ์ด์–ดํญ์Šค ์›น ๋ธŒ๋ผ์šฐ์ € ์ ‘์† --> https://seedsecuritylabs.org๋กœ ์ด๋™ ++ ์•„์ง Ubuntu ์‹ค์Šต ํ™˜๊ฒฝ์„ ๊ตฌ์ถ•ํ•˜์ง€ ๋ชปํ–ˆ๋‹ค๋ฉด? --> https://alim11.tistory.com/438 [Linux & Ubuntu & Oracle Virtual Box] ๋ฒ„์ถ”์–ผ ๋ฐ•์Šค(Virtual Box) ์— ์šฐ๋ถ„ํˆฌ(Ubuntu) ์„ค์น˜ํ•˜๊ธฐ #1 ๐Ÿ’Ž ๋ฒ„์ถ”์–ผ ๋ฐ•์Šค(Virtual Box) ์— ์šฐ๋ถ„ํˆฌ(Ubuntu) ์„ค์น˜ํ•˜๋Š” ๋ฐฉ๋ฒ• #1 1. ์„ค์น˜ํ•œ ๋ฒ„์ถ”์–ผ ๋ฐ•์Šค(Virtual Box) ์‹คํ–‰ ํ›„ ์ƒˆ๋กœ ๋งŒ๋“ค๊ธฐ(N) ํด๋ฆญ ++ Virtual Box(๋ฒ„์ถ”์–ผ ๋ฐ•์Šค) ๋‹ค์šด๋กœ๋“œ ๋ฐฉ๋ฒ•์ด ๊ถ๊ธˆํ•˜๋‹ค๋ฉด? --> https://al.. 2023. 9. 27.
[Flask] Flask ํ”„๋ ˆ์ž„์›Œํฌ๋ฅผ ํ™œ์šฉํ•œ Python WebApp ์ œ์ž‘ ๐ŸŒ Groom ์„ ํ™œ์šฉํ•œ Flask WebApp ์ œ์ž‘ ๊ณผ์ • 1. Flask ์–ดํ”Œ๋ฆฌ์ผ€์ด์…˜ ์ƒ์„ฑ์„ ์œ„ํ•œ application.py ํŽ˜์ด์ง€ ์ œ์ž‘ # Flask ๋ชจ๋“ˆ๋กœ๋ถ€ํ„ฐ ํ•„์š”ํ•œ ํด๋ž˜์Šค์™€ ํ•จ์ˆ˜ ์ž„ํฌํŠธ from flask import Flask, render_template, redirect, url_for # AWS ์„œ๋น„์Šค์™€ ์ƒํ˜ธ์ž‘์šฉํ•  ์ˆ˜ ์žˆ๋„๋ก boto3 ๋ชจ๋“ˆ ์ž„ํฌํŠธ import boto3 import json import time # AWS ๊ณ„์ • ์ •๋ณด ๋ฐ S3 ๋ฒ„ํ‚ท ์ด๋ฆ„ ์„ค์ • aws_access_key = 'AWS ์—‘์„ธ์Šค ํ‚ค ID' aws_secret_key = 'AWS ์‹œํฌ๋ฆฟ ์—‘์„ธ์Šค ํ‚ค' bucket_name = 'ํŒŒ์ผ์ด ์œ„์น˜ํ•œ ๋ฒ„ํ‚ท๋ช…' file_key = 'ํŒŒ์ผ๋ช….txt' # AWS S3 ํด๋ผ์ด์–ธํŠธ ์ƒ์„ฑ.. 2023. 9. 26.
[UPX Un/Packer] UPX ํŒจํ‚น๋œ ํŒŒ์ผ ์–ธํŒจํ‚นํ•˜๊ธฐ ๐Ÿงฎ UPX ํŒจํ‚น๋œ ์ƒํƒœ์˜ ํŒŒ์ผ์„ ์–ธํŒจํ‚นํ•˜๋Š” ๋ฐฉ๋ฒ• 1. ํ•˜๋‹จ์˜ ๋งํฌ๋กœ ์ ‘์†ํ•˜์—ฌ UPX Packer ๋‹ค์šด๋กœ๋“œ --> https://github.com/upx/upx/releases Releases · upx/upx UPX - the Ultimate Packer for eXecutables. Contribute to upx/upx development by creating an account on GitHub. github.com ++ UPX ๋ž€ ๋ฌด์—‡์ผ๊นŒ? UPX๋Š” Ultimate Packer for Executables์˜ ์•ฝ์ž๋กœ, ์˜คํ”ˆ ์†Œ์Šค๋กœ ์ œ๊ณต๋˜๋Š” ์‹คํ–‰ ํ”„๋กœ๊ทธ๋žจ ํŒŒ์ผ์„ ์••์ถ•ํ•˜๋Š” ๋„๊ตฌ์ด๋‹ค. UPX๋Š” ์ฃผ๋กœ ํ”„๋กœ๊ทธ๋žจ ํŒŒ์ผ์„ ๋” ์ž‘์€ ํฌ๊ธฐ๋กœ ์••์ถ•ํ•˜๊ณ  ์‹คํ–‰ํ•˜๋Š” ๋ฐ ์‚ฌ์šฉ๋˜๋ฉฐ, ์ฃผ๋กœ ๋ณด์•ˆ ๋ฐ ํŒŒ์ผ ํฌ๊ธฐ ๊ฐ์†Œ ๋“ฑ์˜ ๋ชฉ.. 2023. 9. 25.
[Reverse Engineering] CodeEngn Basic RCE L05 WriteUp ๐Ÿชท CodeEngn Basic RCE L05 WriteUp 1. ๋ฌธ์ œ ํ™•์ธ ํ›„ ํŒŒ์ผ ๋‹ค์šด๋กœ๋“œ 2. 7-Zip File Manager ์„ ํ†ตํ•ด ํŒŒ์ผ ์••์ถ• ํ•ด์ œ --> 05 ํŒŒ์ผ ์† ์‘์šฉ ํ”„๋กœ๊ทธ๋žจ ๋ฐœ๊ฒฌ 3. 05 ์‘์šฉ ํ”„๋กœ๊ทธ๋žจ ๋”๋ธ” ํด๋ฆญํ•˜์—ฌ ์‹คํ–‰ --> ์•„๋ž˜์™€ ๊ฐ™์€ ํŒ์—…์ฐฝ์„ ํ™•์ธ 4. ์ž…๋ ฅ๋ž€์— ์ž„์˜์˜ ๊ฐ’ ์ž…๋ ฅ ํ›„ "Register now!" ํด๋ฆญ --> ์•„๋ž˜์™€ ๊ฐ™์€ ์—๋Ÿฌ ํŒ์—…์ฐฝ์„ ํ™•์ธ 5. ๊ด€๋ จ ์ •๋ณด ์ˆ˜์ง‘์„ ์œ„ํ•ด Detect It Easy ๋ฅผ ํ†ตํ•ด ํŒŒ์ผ ์˜คํ”ˆ --> ํŒŒ์ผ์ด UPX ํ˜•์‹์œผ๋กœ ํŒจํ‚น๋˜์–ด์žˆ์Œ์„ ํ™•์ธ ++ ์•„์ง Detect It Easy ๋ฅผ ์„ค์น˜ํ•˜์ง€ ์•Š์•˜๋‹ค๋ฉด? --> https://www.majorgeeks.com/ MajorGeeks.Com - MajorGeeks www.majorgeeks.com .. 2023. 9. 24.
[Reverse Engineering] CodeEngn Basic RCE L04 WriteUp ๐Ÿ” CodeEngn Basic RCE L04 WriteUp 1. ๋ฌธ์ œ ํ™•์ธ ํ›„ ํŒŒ์ผ ๋‹ค์šด๋กœ๋“œ 2. 7-Zip File Manager ์„ ํ†ตํ•ด ํŒŒ์ผ ์••์ถ• ํ•ด์ œ --> 04 ํŒŒ์ผ ์† ์‘์šฉ ํ”„๋กœ๊ทธ๋žจ ๋ฐœ๊ฒฌ 3. 04 ์‘์šฉ ํ”„๋กœ๊ทธ๋žจ์„ ๊ฐ๊ฐ ๋‹ค๋ฅธ ๋ฐฉ์‹์œผ๋กœ ์‹คํ–‰ ์ขŒ์ธก์ด ๋”๋ธ”ํด๋ฆญ, ์šฐ์ธก์ด Immunity Debugger ๋กœ ์‹คํ–‰์‹œํ‚จ ํ™”๋ฉด 4. ๋‹ค์‹œ Immunity Debugger ์—์„œ 04 exe ํŒŒ์ผ ์‹คํ–‰ 5. ๋งˆ์šฐ์Šค ์šฐ์ธก ๋ฒ„ํŠผ ํด๋ฆญ ํ›„ 'Search for' ์„ ํƒ --> 'All Intermodular Calls' ํด๋ฆญ All Intermodulat Calls ๋Š” ํ•จ์ˆ˜๋งŒ ๋ชจ์•„๋ณด๊ธฐ ์œ„ํ•œ ๊ธฐ๋Šฅ! 6. 0040105E ์ฃผ์†Œ์—์„œ "IsDebuggerPresent" ๋ผ๋Š” ์ด๋ฆ„์˜ ํ•จ์ˆ˜ ๋ฐœ๊ฒฌ 7. ๋‹ค์‹œ ๋ฌธ์ œ ํ™”๋ฉด์œผ๋กœ ์ด๋™ ํ›„ .. 2023. 9. 23.