• Analysis 1
• iOS 3
• Development 2
• CTF 10
• Write-up 15
• Wargame 3
• pwnable.kr 2
• pwnable 3
• ChristmasCTF2017 1
• noxCTF2018 1
• python 1
• pwnable.tw 1
• Bug Fix 1
• CTFd 1
• Codegate2019 1
• insomnihack2019 1
• volgaCTF2019 1
• Stardew Valley 1
• Game 1
• For Fun 1
• Defcon CTF 1
• Tips 1

Analysis

• Analysis CVEs for iOS Jailbreaking 2018-06-03

iOS

• Hook iOS applications using Frida 2018-12-31
• Extract & Decrypt IPA from iOS 11 with bfinject 2018-10-30
• Analysis CVEs for iOS Jailbreaking 2018-06-03

Development

• Deploy Nginx And CTFd with Docker 2019-01-24
• Development Grade Server with Docker and Flask 2018-06-11

CTF

• [volgaCTF 2019] higher 2019-04-13
• [TrustCTF 2019] start Write-up 2019-03-07
• [Insomni'hack 2019] echoechoechoecho Write-up 2019-02-09
• [Codegate 2019] KingMaker Write-up 2019-02-09
• Hello, PyJail! 2018-09-28
• [GoogleCTF2018 Quals] Begginers Quest (2) 2018-08-02
• [GoogleCTF2018 Quals] Begginers Quest (1) 2018-07-05
• [Codegate2018 CTF] super marimo writeup 2018-07-03
• [h3x0r CTF] whattheheap (pwn 420) 2018-07-02
• [h3x0r CTF] easy_of_the_easy (pwn 300) 2018-06-25

Write-up

• pwnable.kr - Unexploitable 2020-08-18
• [DefconCTF 2019] speedrun-003 2019-06-01
• [volgaCTF 2019] higher 2019-04-13
• [TrustCTF 2019] start Write-up 2019-03-07
• [Insomni'hack 2019] echoechoechoecho Write-up 2019-02-09
• [Codegate 2019] KingMaker Write-up 2019-02-09
• [pwnable.tw] calc writeup 2018-10-02
• Hello, PyJail! 2018-09-28
• [pwnable.kr] blukat & horcruxes 2018-08-15
• [pwnable.tw] orw (100pt) 2018-08-05
• [GoogleCTF2018 Quals] Begginers Quest (2) 2018-08-02
• [GoogleCTF2018 Quals] Begginers Quest (1) 2018-07-05
• [Codegate2018 CTF] super marimo writeup 2018-07-03
• [h3x0r CTF] whattheheap (pwn 420) 2018-07-02
• [h3x0r CTF] easy_of_the_easy (pwn 300) 2018-06-25

Wargame

• pwnable.kr - Unexploitable 2020-08-18
• [pwnable.kr] blukat & horcruxes 2018-08-15
• [pwnable.tw] orw (100pt) 2018-08-05

pwnable.kr

• pwnable.kr - Unexploitable 2020-08-18
• [pwnable.kr] blukat & horcruxes 2018-08-15

pwnable

• pwnable.kr - Unexploitable 2020-08-18
• [pwnable.tw] calc writeup 2018-10-02
• [pwnable.kr] blukat & horcruxes 2018-08-15

ChristmasCTF2017

• Hello, PyJail! 2018-09-28

noxCTF2018

• Hello, PyJail! 2018-09-28

python

• Hello, PyJail! 2018-09-28

pwnable.tw

• [pwnable.tw] calc writeup 2018-10-02

Bug Fix

• Fix the problem that IDA Pro 7.0 Crash on MacOS Mojave 2018-11-13

CTFd

• Deploy Nginx And CTFd with Docker 2019-01-24

Codegate2019

• [Codegate 2019] KingMaker Write-up 2019-02-09

insomnihack2019

• [Insomni'hack 2019] echoechoechoecho Write-up 2019-02-09

volgaCTF2019

• [volgaCTF 2019] higher 2019-04-13

Stardew Valley

• Stardew Valley 분석해보기 -1- 2019-04-15

Game

• Stardew Valley 분석해보기 -1- 2019-04-15

For Fun

• Stardew Valley 분석해보기 -1- 2019-04-15

Defcon CTF

• [DefconCTF 2019] speedrun-003 2019-06-01

Tips

• VMware에서 디스크 용량 확장하기 (Ubuntu) 2019-09-01