Archives

2024

09 Mar Buffer Overflow 몰랐던 내용

2023

2022

23 Sep 9장 디스크 관리
20 Sep 8장 가상메모리
16 Sep 7장 메모리 관리
16 Sep 6장 CPU 스케줄링
15 Sep 5장 프로세스 관리
14 Sep 4장 프로그램의 구조와 실행
12 Sep 3장 컴퓨터 시스템의 동작 원리
12 Sep 2장 운영체제 개요
08 Sep Double Free Bug And Bypass
07 Sep ptmalloc2
07 Sep Javascript Syntax 2
05 Sep stdout flag를 이용한 libc leak (Incomplete)
05 Sep Python Format Function Vulnerability
30 Aug Unsorted Bin Attack (Incomplete)
30 Aug Use-After-Free (UAF)
16 Aug Bypass PIE
16 Aug Bypass Canary (Canary Leak)
16 Aug Bypass FULLRELRO (hook overwrite)
12 Aug Return Oriented Programming (ROP)
11 Aug Return To Library (RTL)
11 Aug Format String Bug
09 Aug Javascript toLowerCase(), toUpperCase() Logical Bypass
09 Aug Javascript prototype pollution
01 Aug Spring View Name Manipulation Exploit (Thymeleaf SSTI)
31 Jul Flask debug mode exploit (RCE)
15 Jul Link Layer
13 Jul Network Layer Data Plane
11 Jul Transport Layer 2
04 Jul Windows에서 hyper-v ubuntu로 포트포워딩 (netsh)
23 Jun Root-me PHP Loose Comparison (Incomplete)
21 Jun Root-me Local File Inclusion Double Encoding
20 Jun Root-me Command injection Filter bypass (풀이 봄)
20 Jun Root-me File upload ZIP
19 Jun PHP Xdebug RCE 취약점
19 Jun Root-me PHP Remote Xdebug (Incomplete)
19 Jun Root-me PHP register globals
19 Jun Root-me PHP Filters
18 Jun Root-me PHP assert()
15 Jun Root-me JSON Web Token (JWT) Introduction
13 Jun Root-me Insecure Code Management
13 Jun Root-me File upload Null byte
13 Jun Root-me File upload MIME type
13 Jun Root-me File upload Double extensions
13 Jun Root-me IP restriction bypass
05 Jun PHP mb_convert_encoding 취약점
28 May my_secret
28 May Calculator
23 May Python Data Model
22 May Python builtins 모듈과 특수 어트리뷰트
22 May Python MRO(Method Resolution Order)
21 May SSTI (Server Side Template Injection)
28 Apr Javascript Syntax 1
24 Apr XS-Search (Cross-Site Search)
24 Apr URL Encoding
23 Apr Relative Path Overwrite (RPO)
22 Apr CSS Injection
10 Apr Linux File System
17 Mar PythonChallenge Writeup
09 Mar CSRF (Cross Site Request Forgery)
09 Mar XSS (Cross-Site Script)
26 Feb Websec - Level 24 (풀이 봄)
26 Feb Websec - Level 14 (풀이 봄)
23 Feb Websec - Level 22 (풀이봄)
21 Feb Websec - Level 20 (풀이 봄)
20 Feb Websec - Level 15
06 Feb SecTools.Org: Top 125 Network Security Tools (Incomplete)
05 Feb 서비스 거부 공격 (DoS)
05 Feb CTFlearn - [Crypto] Vigenere Cipher
05 Feb CTFlearn - [Programming] An Old Image
31 Jan CTFlearn - [Web] Grid it! (풀이 봄)
16 Jan 정렬 알고리즘 정리 (Incomplete)
08 Jan 플로이드-와샬 알고리즘 [Floyd-Warshall Algorithim]
03 Jan 배낭 문제 (Knapsack Algorithm) (Incomplete)

2021

29 Dec 백준 2579번(S3) - 계단 오르기 풀이정리
26 Dec 백준 1016번(G1) - 제곱ㄴㄴ수 풀이 정리 (Incomplete)
26 Dec 백준 1456번(S1) - 거의 소수 풀이 정리
25 Dec 최장 공통 부분 문자열 알고리즘 [Longest Common Substring]
25 Dec 최장 공통 부분 수열 알고리즘 [Longest Common Subsequence]
20 Dec 최장 증가 부분 수열 알고리즘 [Longest Incresing Subsequence]
15 Dec 팩토리얼 소인수분해 알고리즘 [Factorial Factorization Algorithm]
14 Dec 소인수분해 알고리즘 [Factorization Algorithm]
11 Dec 투 포인터 알고리즘 [Two Pointers Algorithm]
10 Dec Data Structure : Graph
05 Dec Data Structure : Binary Tree
04 Dec Data Structure : Deque(Double-ended queue)
26 Nov Wechall - Limited Access Too [Not Solved]
25 Nov Wechall - MySQL II
25 Nov Wechall - Baconian
21 Nov Javascript Web API (Incomplete)
14 Nov Redtiger
14 Nov Wechall - Britcoin [Not Solved]
13 Nov Wechall - Register Globals
13 Nov Wechall - Limited Access
12 Nov Wechall - Factor 2
12 Nov Wechall - Substitution II
12 Nov Wechall - Caesar II
11 Nov Wechall - Transposition I
11 Nov Wechall - Substitution I
10 Nov Wechall - Regex 1~4
10 Nov Wechall - PHP LFI
10 Nov Wechall - Programming 1
09 Nov Wechall - Encodings I
08 Nov Wechall - Prime Factory
30 Oct C++ Standard Library
29 Oct C++ Syntax
25 Oct 그리디 알고리즘 [Greedy Algorithm]
24 Oct 다이나믹 프로그래밍 [Dynamic Programming]
16 Oct Tim Sort (Incomplete)
15 Oct 퀵 정렬 [Quick Sort]
14 Oct 병합 정렬 [Merge Sort]
13 Oct Data Structure : Queue
13 Oct 분할 정복 [Divide & Conquer]
12 Oct Data Structure : Stack
12 Oct 매개변수 탐색 [Parametric Search]
12 Oct 이진 탐색 [Binary Search]
11 Oct Data Structure : List
11 Oct 최대공약수, 최소공배수 [GCD, LCM]
03 Oct 에라토스테네스의 체 [Sieve of Eratosthenes]
02 Oct 알고리즘의 성능 분석
01 Oct Python Standard Library
01 Oct MySQL procedure analyse()
01 Oct 알고리즘 사이트
11 Sep Webhacking.kr - web61
10 Sep Webhacking.kr - web60
09 Sep Webhacking.kr - web59
08 Sep Webhacking.kr - web58 (풀이봄)
07 Sep Webhacking.kr - web57
06 Sep Webhacking.kr - web56
06 Sep Linux Nmap
05 Sep Webhacking.kr - web55 (풀이봄)
04 Sep Webhacking.kr - web53
03 Sep Webhacking.kr - web52
02 Sep Webhacking.kr - web51
01 Sep Webhacking.kr - web50
31 Aug Webhacking.kr - web49
30 Aug Webhacking.kr - web48 (풀이봄)
29 Aug Webhacking.kr - web47 (풀이봄)
28 Aug Webhacking.kr - web46
27 Aug Webhacking.kr - web45
26 Aug Webhacking.kr - web44
25 Aug Webhacking.kr - web43
24 Aug Webhacking.kr - web41 (풀이봄)
23 Aug Webhacking.kr - web40
22 Aug Webhacking.kr - web39
21 Aug Webhacking.kr - web37
21 Aug Webhacking.kr - web36
21 Aug php.ini and .htaccess
20 Aug Webhacking.kr - web35
19 Aug Webhacking.kr - web34
18 Aug Webhacking.kr - web32
17 Aug Webhacking.kr - web31
16 Aug Webhacking.kr - web30 (풀이봄)
15 Aug Webhacking.kr - web29
14 Aug Webhacking.kr - web28 (풀이봄)
13 Aug Webhacking.kr - web22
12 Aug Webhacking.kr - web21
11 Aug Webhacking.kr - web20
10 Aug Webhacking.kr - web13
09 Aug Webhacking.kr - web12
08 Aug Webhacking.kr - web11
07 Aug Webhacking.kr - web09
06 Aug Webhacking.kr - web08
05 Aug Webhacking.kr - web07
04 Aug Webhacking.kr - web05
03 Aug Webhacking.kr - web04
02 Aug Webhacking.kr - web03
02 Aug Transport Layer
01 Aug Webhacking.kr - web02
01 Aug Application Layer
14 Jul 컴퓨터 네트워크와 인터넷
25 Jan MySQL in PHP (Incomplete)
19 Jan Narnia
18 Jan Leviathan
18 Jan Krypton
12 Jan MySQL 사용법 in Linux (Incomplete)
10 Jan Google XSS Game
09 Jan git commands
08 Jan 필요한 세팅들 정리

2020

17 Nov Pwnable.kr - coin1 (Solve later)
07 Nov Pwnable.kr - shellshock
05 Nov Pwnable.kr - mistake
04 Oct Pwnable.kr - leg
29 Sep Pwnable.kr - input (풀이 봄)
28 Sep Pwnable.kr - random
28 Sep Pwnable.kr - Passcode (풀이 봄)
25 Sep Pwnable.kr - bof
24 Sep Pwnable.kr - fd
24 Sep Pwnable.kr - collision
24 Sep Pwnable.kr - cmd1 & cmd2
24 Sep 메모리 구조와 함수 호출 규약
17 Sep Wechall - Caesar I
13 Sep 암호 정리 (Incomplete)
10 Sep Register
10 Sep pwntools
10 Sep gdb 사용법과 pwndbg
22 Jul Root-me CRLF
16 Jul Natas 11 ~ 20
15 Jul Natas 1 ~ 10
13 Jun HTTP Response Splitting (풀이 봄)
13 Jun HTTP Response Splitting and CRLF
12 Jun Root-me Directory traversal
12 Jun Root-me Backup file (풀이 봄)
12 Jun Local File Inclusion
12 Jun Javascript - Obfuscation 4 (Incomplete)
12 Jun XSS - Stored 2
12 Jun XSS - Stored 1
31 May LFI
11 May XXE
11 May Steganography
14 Apr Django 작성 List
13 Apr Django 구성
16 Feb Websec - Level 13
15 Feb Websec - Level 11
14 Feb Websec - Level 10 (풀이봄)
13 Feb Websec - Level 8
13 Feb PHP Functions
12 Feb Websec - Level 2
11 Feb Websec - Level 28 (풀이봄)
10 Feb Websec - Level 25
09 Feb Websec - Level 17
08 Feb Websec - Level 4
07 Feb Websec - Level 1
08 Jan SQL Injection 공격 기법

2019

10 Nov Python Syntax
31 Oct Suninatas Web
18 Oct LOS Lv.48 incubus
17 Oct LOS Lv.47 siren
16 Oct LOS Lv.46 cerberus
15 Oct LOS Lv.45 kraken
14 Oct LOS Lv.44 mummy (풀이 봄)
13 Oct LOS Lv.43 yeti
12 Oct LOS Lv.42 revenant
11 Oct LOS Lv.41 nessie
10 Oct LOS Lv.40 poltergeist
09 Oct LOS Lv.39 banshee
08 Oct LOS Lv.38 manticore (풀이 봄)
07 Oct LOS Lv.37 chupacabra
06 Oct LOS Lv.36 cyclops
05 Oct LOS Lv.35 godzilla
04 Oct LOS Lv.34 death
03 Oct LOS Lv.33 cthulhu
02 Oct LOS Lv.32 alien (풀이 봄..)
01 Oct LOS Lv.31 zombie (풀이 봄)
30 Sep LOS Lv.30 ouroboros (풀이 봄)
29 Sep LOS Lv.29 phantom
28 Sep LOS Lv.28 frankenstein
27 Sep LOS Lv.27 blue_dragon
26 Sep LOS Lv.26 red_dragon (풀이 봄)
25 Sep LOS Lv.25 green_dragon
25 Sep LOS Lv.24 evil_wizard
24 Sep LOS Lv.23 hellfire
24 Sep LOS Lv.22 dark_eyes
23 Sep LOS Lv.21 iron_golem
23 Sep LOS Lv.20 dragon
22 Sep LOS Lv.19 xavis
22 Sep LOS Lv.18 nightmare (답지 봄)
21 Sep LOS Lv.17 zombie_assassin
20 Sep LOS Lv.16 succubus
20 Sep LOS Lv.15 assassin
19 Sep LOS Lv.14 giant
19 Sep LOS Lv.13 bugbear
18 Sep LOS Lv.12 darkknight
17 Sep LOS Lv.11 golem
16 Sep LOS Lv.10 skeleton
15 Sep LOS Lv.9 vampire
15 Sep MySQL Functions 2
14 Sep LOS Lv.8 troll
14 Sep LOS Lv.7 orge
14 Sep MySQL Functions 1
14 Sep MySQL information_schema
13 Sep LOS Lv.6 darkelf
12 Sep LOS Lv.5 wolfman
12 Sep LOS Lv.4 orc
12 Sep PHP - addslashes()
11 Sep LOS Lv.3 goblin
11 Sep LOS Lv.2 cobolt
10 Sep LOS Lv.1 gremlin
09 Sep los.rubiya.kr
09 Sep SQL Injection 필터링 우회
16 Jul Linux Stack Memory Protection And Bypass
16 Jul 쉘코드 만들기
08 Jul 환경 변수 설정 및 주소 구하기
03 Apr Linux 명령어3
02 Apr Linux 명령어 2
01 Apr Linux 명령어 1
22 Mar Bandit 21 ~ 30
21 Mar Bandit 11 ~ 20
20 Mar Bandit 1 ~ 10