# THUCTF2018-Writeup

本次比赛由我单人组队，组名 `Jiege Chen` 。每道题目的 Writeup 分别写在各自文件里。我做出了以下的题目：

## Pwn

- [pwn2](<https://jia.je/ctf-writeups/2018-09-28-thuctf2018/pwn/pwn2.html>)
- [pwn1](<https://jia.je/ctf-writeups/2018-09-28-thuctf2018/pwn/pwn1.html>)
- [pwn4](<https://jia.je/ctf-writeups/2018-09-28-thuctf2018/pwn/pwn4.html>)

## Web

- [wdSimpleSQLv1-1](<https://jia.je/ctf-writeups/2018-09-28-thuctf2018/web/wdSimpleSQLv1-1.html>)
- [wdSimpleSQLv1-2](<https://jia.je/ctf-writeups/2018-09-28-thuctf2018/web/wdSimpleSQLv1-2.html>)
- [XSS1](<https://jia.je/ctf-writeups/2018-09-28-thuctf2018/web/XSS1.html>)
- [XSS2](<https://jia.je/ctf-writeups/2018-09-28-thuctf2018/web/XSS2.html>)
- [Flask](<https://jia.je/ctf-writeups/2018-09-28-thuctf2018/web/Flask.html>)
- [wdSimpleSQLv4](<https://jia.je/ctf-writeups/2018-09-28-thuctf2018/web/wdSimpleSQLv4.html>)
- [BabyWeb](<https://jia.je/ctf-writeups/2018-09-28-thuctf2018/web/BabyWeb.html>)

## Crypto

- [easy rsa](<https://jia.je/ctf-writeups/2018-09-28-thuctf2018/crypto/easy_rsa.html>)
- [polynomial](<https://jia.je/ctf-writeups/2018-09-28-thuctf2018/crypto/polynomial.html>)
- [101 DES](<https://jia.je/ctf-writeups/2018-09-28-thuctf2018/crypto/101DES.html>)
- [Primary Mathematics](<https://jia.je/ctf-writeups/2018-09-28-thuctf2018/crypto/Primary_Mathematics.html>)
- [Primary Mathematics Revenge](<https://jia.je/ctf-writeups/2018-09-28-thuctf2018/crypto/Primary_Mathematics_Revenge.html>)

## Reverse

- [Easy Reverse](<https://jia.je/ctf-writeups/2018-09-28-thuctf2018/reverse/Easy_Reverse.html>)
- [User Auth](<https://jia.je/ctf-writeups/2018-09-28-thuctf2018/reverse/User_Auth.html>)
- [godaddy](<https://jia.je/ctf-writeups/2018-09-28-thuctf2018/reverse/godaddy.html>)

## Misc

- [Ruby Master - Level 1](<https://jia.je/ctf-writeups/2018-09-28-thuctf2018/misc/Ruby_Master_Level_1.html>)
- [Pixels](<https://jia.je/ctf-writeups/2018-09-28-thuctf2018/misc/Pixels.html>)
- [Othello](<https://jia.je/ctf-writeups/2018-09-28-thuctf2018/misc/Othello.html>)
- [Ruby Master - Level 2](<https://jia.je/ctf-writeups/2018-09-28-thuctf2018/misc/Ruby_Master_Level_2.html>)
- [Ruby Master - Level 3](<https://jia.je/ctf-writeups/2018-09-28-thuctf2018/misc/Ruby_Master_Level_3.html>)
- [RedbudToken1 - Welcome](<https://jia.je/ctf-writeups/2018-09-28-thuctf2018/misc/RedbudToken1_Welcome.html>)
- [Format](<https://jia.je/ctf-writeups/2018-09-28-thuctf2018/misc/Format.html>)
- [Flow](<https://jia.je/ctf-writeups/2018-09-28-thuctf2018/misc/Flow.html>)
- [Kasparov](<https://jia.je/ctf-writeups/2018-09-28-thuctf2018/misc/Kasparov.html>)

# 一点感受和建议

第一次打 CTF，很多东西都是现查现学，好在许多题难度不大，凭借上课和半夜的高效工作时间，还是可以做出不少题目的。题目质量挺好的，有好几道题有让人意想不到的一些点子，也有新颖的区块链题目。不过 Pwn 和 Reverse 部分对新手不是那么友好，学起来和应用起来都挺辛苦的，所以也没有去很深地研究这些东西。中间可能运气好，把一些题目用非预期做法做了出来，我也不懂是咋回事（逃。但我确实有太多锅要做，不会有太多时间去打 CTF。。。。接不了锅接不了锅