정민기 정보보안 글과 CTF·취약점 분석 기록

정민기의 CTF 풀이, 취약점 분석, 디지털 포렌식, AI 보안 및 소프트웨어 개발 기록입니다.

Dreamhack ·

Dreamhack: V12 Revenge Write-up

Dreamhack V12 Revenge 문제의 패치된 V8 배열 shift 동작을 분석하고 익스플로잇 트리거까지 정리한 pwnable 풀이입니다.

Development ·

Bareungrip: Feature Planning

A product planning document outlining the core features, user flows, administrative functions, and future development tasks for Bareungrip, a senior-focused park golf wellness platform.

Development ·

Development: Bareungrip

A development note for organizing Bareungrip product goals, core features, architecture, and implementation progress.

Web ·

Web Lab: Session Signal Review

A practice writeup template for reviewing authentication state, cookie flags, and client-side trust boundaries in a CTF web challenge.

Pwn ·

Pwn Lab: Stack Boundary Notes

A compact binary-exploitation study note focused on stack layout observation, crash triage, and mitigation awareness.

Forensics ·

Forensics Lab: Timeline Recovery

A digital forensics note for building a timeline from file metadata, archive structure, and visible artifacts.

Misc ·

Misc Lab: AI Prompt Safety Notes

A CTF-style AI security note about separating user input, system instructions, and tool output when analyzing prompt injection challenges.