CTFWriteUps - Collection of CTF Writeups for various ctfs. Mostl

项目说明

CTFWriteUps

I will try organizing the challenges by difficulty and category in the README since some people are using them as practice, however the difficulty I give it may be different than what you would expect since I mainly do reverse engineering. I will try to keep difficulty consistent throughout each category though.

Some categories here will also not match what is on the challenge solution README, that is because here I will put into the actual category while there I just put what the ctf said it was.

Reverse Engineering

| Challenge Name | CTF | Difficulty |
|----------------------------|---------------------------------|-------------------|
| Key2success | 2021 - ShadowCTF | Trivial |
| Unchallenging | 2021 - ShadowCTF | Trivial |
| Warm Up Rev | 2021 - ShadowCTF | Trivial |
| Pwntown 1 | 2021 - Tenable | Trivial |
| Speeds and Feeds | 2021 - picoCTF | Trivial |
| BF Means Best Friend Right?| 2021 - HackPack | Trivial |
| Tiny Interpreter | 2021 - dCTF | Trivial |
| Little Mountain | 2021 - Circle City Con | Trivial |
| wstrings | 2021 - RedPwn | Trivial |
| Thirsty Cow | 2021 - ShadowCTF | Easy |
| Vault | 2021 - ShadowCTF | Easy |
| Little Baby Rev | 2021 - Securinet | Easy |
| Rocca Pia | 2021 - dvCTF | Easy |
| Crackme py | 2021 - picoCTF | Easy |
| Hurry Up! Wait! | 2021 - picoCTF | Easy |
| Transformation | 2021 - picoCTF | Easy |
| FREE FLAGS | 2021 - Angstrom | Easy |
| GaussBot | 2021 - HackPack | Easy |
| Painting Windows | 2021 - UMDCTF | Easy |
| Starbucks | 2021 - UMDCTF | Easy |
| Just In Time | 2021 - dCTF | Easy |
| Guardian | 2021 - Circle City Con | Easy |
| Fewer Thoughts, Head Empty | 2021 - ImaginaryCTF | Easy |
| Normal | 2021 - ImaginaryCTF | Easy |
| Stings | 2021 - ImaginaryCTF | Easy |
| Dotty | 2021 - RaRCTF | Easy |
| | 2021 - RaRCTF | Easy |
| Ransomware | 2021 - BambooFox | Easy - Medium |
| Better Than ASM | 2021 - BambooFox | Easy - Medium |
| Ware | 2021 - Offshift | Easy - Medium |
| That's Not Crypto | 2021 - justCTF | Easy - Medium |
| Pwntown 3 | 2021 - Tenable | Easy - Medium |
| Solver | 2021 - Trollcat | Easy - Medium |
| Keygenme Py | 2021 - picoCTF | Easy - Medium |
| Revex | 2021 - Angstrom | Easy - Medium |
| Backdoor | 2021 - Cyber Apocalypse | Easy - Medium |
| NET_DOT | 2021 - FooBar | Easy - Medium |
| Numerical Computing | 2021 - FooBar | Easy - Medium |
| WarGames | 2021 - FooBar | Easy - Medium |
| Function Pointer Fun | 2021 - HackPack | Easy - Medium |
| Bell | 2021 - dCTF | Easy - Medium |
| bread making | 2021 - RedPwn | Easy - Medium |
| Jumprope | 2021 - ImaginaryCTF | Easy - Medium |
| Infinite Free Trial | 2021 - RaRCTF | Easy - Medium |
| RaRPG | 2021 - RaRCTF | Easy - Medium |
| Very TriVial Re | 2021 - RaRCTF | Easy - Medium |
| Hash | 2021 - Offshift | Medium |
| X and Or | 2021 - Offshift | Medium |
| Hacker Manifesto | 2021 - Tenable | Medium |
| Pwntown 4 | 2021 - Tenable | Medium |
| No Debug | 2021 - Trollcat | Medium |
| Recur | 2021 - UTCTF | Medium |
| Shop | 2021 - picoCTF | Medium |
| Infinity Gauntlet | 2021 - Angstrom | Medium |
| Jailbreak | 2021 - Angstrom | Medium |
| Alienware | 2021 - Cyber Apocalypse | Medium |
| Exhell | 2021 - HackPack | Medium |
| FeistyCrypt | 2021 - UMDCTF | Medium |
| dimensionality | 2021 - RedPwn | Medium |
| Roolang | 2021 - ImaginaryCTF | Medium |
| Run! | 2021 - Securinet | Medium - Difficult|
| Infected | 2021 - Zer0pts | Medium - Difficult|
| Syscall 777 | 2021 - Zer0pts | Difficult |

Binary Exploitation

| Challenge Name | CTF | Difficulty |
|----------------------------|---------------------------------|-------------------|
| What's Your Input | 2021 - picoCTF | Trivial |
| Binary Gauntlet 0 | 2021 - picoCTF | Easy |
| Binary Gauntlet 1 | 2021 - picoCTF | Easy - Medium |
| Binary Gauntlet 2 | 2021 - picoCTF | Easy - Medium |
| Stonks | 2021 - picoCTF | Easy - Medium |
| Baby Graph | 2021 - RITSEC | Easy - Medium |

Cryptography

| Challenge Name | CTF | Difficulty |
|----------------------------|---------------------------------|-------------------|
| Substitution | 2021 - dvCTF | Trivial |
| Mod 26 | 2021 - picoCTF | Trivial |
| The More, The Less | 2021 - dvCTF | Easy |
| Mind Your Ps and Qs | 2021 - picoCTF | Easy |
| Dachshund Attacks | 2021 - picoCTF | Easy |
| Netrunner Encryption | 2021 - Tenable | Medium |

Steganography

| Challenge Name | CTF | Difficulty |
|----------------------------|---------------------------------|-------------------|
| Rick and Morty on Ad| 2021 - ShadowCTF | Trivial |
| | 2021 - ShadowCTF | Trivial |
| Monk | 2021 - ShadowCTF | Easy |
| Pixelated | 2021 - picoCTF | Medium |

Forensics

| Challenge Name | CTF | Difficulty |
|----------------------------|---------------------------------|-------------------|
| Brutus Killer | 2021 - ShadowCTF | Trivial |
| Linux Help | 2021 - ShadowCTF | Trivial |
| Pidieff | 2021 - dvCTF | Trivial |
| Disk, Disk, Sleuth | 2021 - picoCTF | Trivial |
| Matryoshka Doll | 2021 - picoCTF | Easy |
| Weird File | 2021 - picoCTF | Easy |
| Wireshark Doo Dooo Do Doo | 2021 - picoCTF | Easy |
| New Caesar | 2021 - picoCTF | Easy - Medium |
| Play Nice | 2021 - picoCTF | Easy - Medium |
| New | 2021 - picoCTF | Medium - Difficult|

Scripting

| Challenge Name | CTF | Difficulty |
|----------------------------|---------------------------------|-------------------|
| Short and Sweet | 2021 - Tenable | Trivial |
| Parsey McParser | 2021 - Tenable | Easy |
| Print N Lowest Numbers | 2021 - Tenable | Easy |
| DDR | 2021 - Nahamcon | Easy |
| Find Largest Triangle | 2021 - Tenable | Easy - Medium |
| Is The King In Check | 2021 - Tenable | Easy - Medium |
| Random Encryption Fixed | 2021 - Tenable | Easy - Medium |

Misc

| Challenge Name | CTF | Difficulty |
|----------------------------|---------------------------------|-------------------|
| Magikarp Ground Mission | 2021 - picoCTF | Trivial |
| Python Wrangling | 2021 - picoCTF | Trivial |
| Obedient Cat | 2021 - picoCTF | Trivial |
| Static Ain't Always Noise | 2021 - picoCTF | Trivial |
| Tab, Tab, Attack | 2021 - picoCTF | Trivial |
| Wave A Flag | 2021 - picoCTF | Trivial |
| Broken qr | 2021 - Tenable | Easy |
| Formatting | 2021 - ImaginaryCTF | Easy |
| Puzzle 2 | 2021 - ImaginaryCTF | Easy |

项目信息

开发语言：JavaScript

Star 数：64

技术要点

该项目属于CTF思路方向的开源资源，代码结构清晰，适合安全研究人员学习参考。项目围绕Collection of CTF Writeups for various ctfs. Mostly focused on reverse engineering, and contains all source files if they were available.展开，提供了可运行的实现，对理解相关安全机制、工具原理与攻防技术具有较高的研究价值。

从技术实现角度看，此类项目的核心在于对底层原理的深入理解与工程化落地。开发者在研究过程中可以结合官方文档与社区讨论，梳理项目的初始化流程、核心模块职责与数据流转，逐步掌握其中的技术细节与设计思路。

使用与学习建议

1. 下载源码压缩包，解压到本地环境。

2. 根据项目类型准备对应的运行环境与依赖。

3. 按照 README 中的步骤完成配置与部署。

4. 在隔离的测试环境中运行验证，避免影响生产系统。

免责声明

本资源来源于开源社区，仅供安全研究、技术学习与合法授权范围内的攻防演练使用，请勿用于任何非法或侵害他人权益的用途。使用本项目产生的一切后果由使用者自行承担。