Forensics
SHIFT


anyconv.com/ko/png-to-raw-byeonhwangi/
PNG RAW 변환: 온라인에서 PNG를 RAW로 변환하십시오
⭐ AnyConv는 5 성급 PNG RAW 변환기입니다 ⭐ 온라인에서 png를 raw로 몇 초 안에 변환하십시오 ✅ 소프트웨어 설치가 필요하지 않습니다 ✅ 무료로 ✅ 완전히 안전합니다. PNG를 RAW로 쉽게 변경할 수
anyconv.com
png to bmp
rename .bmp to .data
open with GIMP

width 5261

Doubly Deleted Data


Sandwiched


You can see that there are several pdf files, and you can see that there is a jpg file in between.

However, jpg's footer signature can be found far away.
There are parts of the jpg file between the pdf files.
The extracted jpg file had a flag.
OSINT Part 1




search name in twitter

OSINT Part 2



google image search

Small P Problems

Diffie–Hellman
github.com/DrMMZ/Attack-Diffie-Hellman/blob/master/AttackDH.py
DrMMZ/Attack-Diffie-Hellman
Implementation of cryptanalysis of Diffie-Hellman public key protocol in Python - DrMMZ/Attack-Diffie-Hellman
github.com

Beginner
Various Vernacular

quipqiup - cryptoquip and cryptogram solver
quipqiup.com

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