W4terCTF-2023 - W4terCTF 2023官方挑战回购

项目说明

W4terCTF 2023

English, 简体中文

Repository for maintaining and building challenge images for W4terCTF 2023.

All challenges here are original. You can get the challenge images that can be directly used by GZ::CTF from Packages.

Powered by GZCTF and GZTime

NOTE: Some challenges are not publicly a for confidentiality reasons. Please understand.

Challenge Designing Specification

Challenges List

| Re | Challenge | Catagory | Difficulty | Tags | Author |
| :-: | :---------------------------------------------------------------------- | :-------- | :--------- | :-------------------- | :-------------- |
| 0 | NC Test | Pwn | Baby | | GZTime |
| 0 | Tic-Tac-Toe Level 0 | Pwn | Easy | Stack o | ConanC |
| 0 | Nimgame Level 1 | Pwn | Easy | Stack o | Xia0o0o0o |
| 0 | Nimgame Level 2 | Pwn | Normal | Stack o | Xia0o0o0o |
| 0 | 2048 | Pwn | Normal | fmtstr | Xia0o0o0o |
| 1 | Dictionary | Pwn | Medium | integer o, UaF | Xia0o0o0o |
| 2 | ELF Parser | Pwn | Medium | ELF, strcpy | Xia0o0o0o |
| 1 | Cherry Lab | Pwn | Hard | JS Engine | Xia0o0o0o |
| 0 | Weird Letter | Misc | Trivial | Vigenère | GZTime |
| 1 | Shadow | Misc | Easy | Op Char | GZTime |
| 1 | Chisato | Misc | Normal | PRNG | TonyCrane(AAA) |
| 0 | Spam 2023 | Misc | Normal | Codec | GZTime |
| 1 | Good QRCode | Misc | Normal | QRCode, Mask | GZTime |
| 0 | W4ter Disk | Misc | Medium | RAID, btrfs | GZTime |
| 2 | Bad QRCode | Misc | Hard | QRCode, RS | GZTime |
| 1 | Dark Maze | Misc | Expert | Maze, Re | GZTime |
| 0 | E | Forensics | Normal | SQL Injection | GZTime |
| 1 | USB Hacker | Forensics | Medium | USB Traffic | GZTime |
| 0 | GZ RSA | Crypto | Trivial | RSA | peigong |
| 0 | Middleman | Crypto | Trivial | DH Middleman | peigong |
| 0 | Factor | Crypto | Easy | RSA | peigong |
| 0 | Chat with Philosophers 1 | Crypto | Easy | ECC | peigong |
| 1 | Chat with Philosophers 2 | Crypto | Easy | RSA | peigong |
| 2 | Chat with Philosophers 3 | Crypto | Normal | Shamir secret share | peigong |
| 1 | NGG Smooth Prime | Crypto | Medium | Discrete logarithm | ZMJ |
| 1 | Special RSA | Crypto | Medium | RSA | peigong |
| 0 | Login | Crypto | Medium | AES padding oracle | peigong |
| 0 | The Moment of Token | Web | Easy | JWT, Cookie | GZTime |
| 0 | One Number SQL | Web | Normal | SQL | tel |
| 2 | Feedback Box | Web | Normal | XSS | gbljdgb(Xp0int) |
| 0 | Deser Plus | Web | Medium | PHP, deserialize | tel |
| 1 | Nodejs Bypass | Web | Medium | JS, prototype | tel |
| 0 | Help Newnew Find Flag | Web | Medium | flask, pin | Rieß(Xp0int) |
| 1 | Secure Password Generator | Web | Hard | SQL | tel |
| 1 | Unfinished Website | Web | Hard | Java SSTI | tel |
| 0 | Lazy Puts | Reverse | Trivial | | GZTime |
| 0 | Oh My Python | Reverse | Trivial | Python | GZTime |
| 1 | Maze Digger | Reverse | Hard | WebAssembly, Rust | GZTime |
| 0 | Quiz For PyGZ | PPC | Easy | Python | GZTime |
| 0 | GGOS | PPC | Medium | GGOS, Rust | GZTime |

Difficulty and Points

| Difficulty | Baby | Trivial | Easy | Normal | Medium | Hard | Expert | Insane |
| :------------------------------------- | ---- | ------- | ---- | ------ | ------ | ---- | ------ | ------ |
| Initial Points | 200 | 500 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 |
| Minimum Points Ratio for Challenge | 50% | 20% | 20% | 20% | 20% | 20% | 30% | 30% |
| Minimum Points for Challenge | 100 | 100 | 200 | 200 | 200 | 200 | 300 | 300 |
| Difficulty Factor | 5.0 | 5.0 | 7.0 | 10.0 | 13.0 | 20.0 | 20.0 | 25.0 |
| Number of solves when reaching 50% pts | - | 6 | 7 | 10 | 14 | 20 | 25 | 30 |

Repository Structure

File Directory

Please write the Dockerfile and place it in challenges then add corresponding building task action to .github/workflows. The naming should follow the format of chal.<challenge_name>.yml. The challenge needs to follow the GZCTF question specification.

base contains the base images that can be shared and reused by some challenges, including xinetd, python image exposed based on xinetd.

challenges contains Dockerfile of challenge and other files related to the challenges.

项目信息

开发语言：Python

Star 数：105

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W4terCTF 2023 official challenge repo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。