๋ณธ๋ฌธ ๋ฐ”๋กœ๊ฐ€๊ธฐ
๐Ÿ”’์ •๋ณด๋ณด์•ˆ/์•”ํ˜ธ

์•”ํ˜ธ - ์Šคํ…Œ๊ฐ€๋…ธ๊ทธ๋ž˜ํ”ผ ๋งŒ๋“ค๊ธฐ

by Janger 2022. 7. 21.
728x90
๋ฐ˜์‘ํ˜•


์Šคํ…Œ๊ฐ€๋…ธ๊ทธ๋ž˜ํ”ผ

Stegano(๊ฐ์ถฐ์ง„) + Graphy(๊ธ€) = Steganography


์ฆ‰, ๋‚ด์šฉ์„ ์ˆจ๊ฒจ๋ฒ„๋ฆฌ๋Š” ๊ธฐ์ˆ 

์ด๋ฅผ ์ด์šฉํ•ด์„œ png, mp3, zip ๋“ฑ ๋‹ค์–‘ํ•œ ํŒŒ์ผ์„ ์ˆจ๊ธธ ์ˆ˜ ์žˆ๋‹ค.



 

์•”ํ˜ธํ™” ๋ฐฉ๋ฒ•(Windows):
copy /b image.jpg+secret.zip result.jpg

 

์•”ํ˜ธํ™” ๋ฐฉ๋ฒ•(Linux)
cat file1 file2 > output

 


๋ณตํ˜ธํ™” ๋ฐฉ๋ฒ•:
์•”ํ˜ธํ™”๋œ ํŒŒ์ผ์˜ ํ™•์žฅ์ž๋ฅผ ๊ธฐ์กด์˜ ์ˆจ๊ฒจ๋‘” ํŒŒ์ผ์˜ ํ™•์žฅ์ž๋กœ ๋ณ€๊ฒฝ
ex) result.jpg -> result.zip


์ถœ์ฒ˜:
https://arca.live/b/encryption/32069015?p=2

 

์Šคํ…Œ๊ฐ€๋…ธ๊ทธ๋ž˜ํ”ผ ๋งŒ๋“œ๋Š” ๋ฐฉ๋ฒ• - ์•”ํ˜ธํ™” ์—ฐ๊ตฌ ์ฑ„๋„

์›๋ฆฌ๋ฅผ ์„ค๋ช…ํ•˜๋Š” ๊ธ€์ด ์•„๋‹ˆ๊ธฐ ๋•Œ๋ฌธ์— ์‹ฌํ™”์ ์ธ ๋‚ด์šฉ์€ ๋‹ค๋ฃจ์ง€ ์•Š๊ณ  ๊ฐ„๋‹จํ•˜๊ฒŒ ํ•˜๋Š” ๋ฐฉ๋ฒ•์„ ์•Œ์•„๊ฐ€๋Š” ๋ฐฉํ–ฅ์œผ๋กœ ์ง„ํ–‰ํ•˜๊ฒ ์Œ์Šคํ…Œ๊ฐ€๋…ธ๊ทธ๋ž˜ํ”ผStegano(๊ฐ์ถฐ์ง„) + Graphy(๊ธ€) = Steganography์ฆ‰, ๋‚ด์šฉ์„ ์ˆจ๊ฒจ๋ฒ„

arca.live

 

https://stackoverflow.com/questions/10347278/how-can-i-copy-several-binary-files-into-one-file-on-a-linux-system

 

How can I copy several binary files into one file on a Linux system?

I need to copy the content of a folder which contains binary files to one binary file in another directory. In Windows I can just use: copy file1 + file2 targetfile /B I couldn't find something

stackoverflow.com

 

728x90
๋ฐ˜์‘ํ˜•