cyber-apocalypse-2024 - Official writeups for Cyber Apocalypse CTF 2024: H

项目说明

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__Challenges__

| Category | Name | <di="width:760px">Objective</div> | Difficulty [⭐⭐⭐⭐⭐] |
|---------------|------------------------------------------------------------------------------------------|-------------------------------------------------------------------|-------------------------|
| Crypto | Dynastic | Caesar Cipher with increasing shift | ⭐ |
| Crypto | Makeshift | Reverse a simple custom "encryption" algorithm | ⭐ |
| Crypto | Primary Knowledge | RSA with prime n which makes retrieving d trivial | ⭐ |
| Crypto | Blunt | Numerically small p resulting in solving the DLP easily | ⭐⭐ |
| Crypto | Iced Tea | Straightforward TEA cipher decryption | ⭐⭐ |
| Crypto | Arranged | GCD for p, rearrangement for b, notice point G has small order | ⭐⭐⭐ |
| Crypto | Partial Tenacity | Solve for n mod powers of 10 to reco bits of p and q | ⭐⭐⭐ |
| Crypto | Permuted | DHKE in a symmetric group, solve the DLP for that specific group | ⭐⭐⭐⭐ |
| Crypto | Tsayaki | I in TEA-CBC mode, exploit equi keys attack | ⭐⭐⭐⭐ |
| Crypto | ROT128 | Find collisions in a custom hash consisting of linear operations | ⭐⭐⭐⭐⭐ |
| Forensics | An unusual sighting | SSH logs and bash history analysis | ⭐ |
| Forensics | It Has Begun | Bash malware analysis | ⭐ |
| Forensics | Urgent | EML analysis | ⭐ |
| Forensics | Fake Boost | Powershell-based malware analysis | ⭐⭐ |
| Forensics | Pursue The Tracks | MFT records and timeline analysis | ⭐⭐ |
| Forensics | Data Siege | Network analysis and traffic decryption | ⭐⭐⭐ |
| Forensics | Phreaky | SMTP exfiltration | ⭐⭐⭐ |
| Forensics | Confinement | Ransomware extraction from quarantine folder and data decryption | ⭐⭐⭐⭐ |
| Forensics | Game In | 3-stage malware based macros and ja analysis | ⭐⭐⭐⭐ |
| Forensics | Oblique Final | R2R (Ready To Run) Stomping analysis | ⭐⭐⭐⭐⭐ |
| Misc | Character | Scripting an iteration | ⭐ |
| Misc | Stop Drop and Roll | Scripting string manipulation | ⭐ |
| Misc | Cubicle Riddle | Implement an algorithm for min,max in Python bytecode | ⭐⭐ |
| Misc | Unbreakable | Abusing Python eval() and a blacklist bypass | ⭐⭐ |
| Misc | We're Pickle Phreaks | Escape from a pickle sandbox using an insecure imported module | ⭐⭐ |
| Misc | Colored Squares | Extract conditions from a Folders program and solve with Z3 | ⭐⭐⭐ |
| Misc | Quantum Conundrum | Implement Quantum Teleportation using CNOT and Hadamard gates | ⭐⭐⭐ |
| Misc | We're Pickle Phreaks Revenge | Escape from a pickle sandbox using builtin internal methods | ⭐⭐⭐ |
| Misc | Path of Survival | Parse a game map and implement Dijkstra's algorithm | ⭐⭐⭐⭐ |
| Misc | MultiDigilingual | Construct a polyglot of 6 different programming languages | ⭐⭐⭐⭐ |
| Pwn | Delulu | Format string , o | ⭐ |
| Pwn | Tutorial | Integer O | ⭐ |
| Pwn | Writing on the wall | Off-by-one o with strcmp bypass using null bytes | ⭐ |
| Pwn | Pet companion | ret2csu exploitation in glibc-2.27 | ⭐⭐ |
| Pwn | Rocket Blaster XXX | ret2win exploitation technique with 3 arguments | ⭐⭐ |
| Pwn | Death Note | UAF to leak libc | ⭐⭐⭐ |
| Pwn | Sound of Silence | Call gets to provide parameter to system | ⭐⭐⭐ |
| Pwn | Maze of Mist | ret2vdso | ⭐⭐⭐⭐ |
| Pwn | Oracle | Libc leak via heap into shell duplicated to socket | ⭐⭐⭐⭐ |
| Pwn | Gloater | Partial o to free and realloc tcache_perthread_struct | ⭐⭐⭐⭐⭐ |
| Rev | BoxCutter | strace | ⭐ |
| Rev | LootStash | strings | ⭐ |
| Rev | PackedAway | upx | ⭐ |
| Rev | Crushing | File format parsing | ⭐⭐ |
| Rev | FollowThePath | Reverse self-decrypting Windows code | ⭐⭐⭐ |
| Rev | QuickScan | Fast automatic binary analysis | ⭐⭐⭐ |
| Rev | FlecksOfGold | C++ ECS re | ⭐⭐⭐⭐ |
| Rev | Metagaming | C++ metaprogramming/template | ⭐⭐⭐⭐ |
| Rev | MazeOfPower | Solving a golang maze game via a backdoor | ⭐⭐⭐⭐⭐ |
| Web | Flag Command | Find the secret command in JSON response and use it to get flag | ⭐ |
| Web | KORP Terminal | SQL injection to extract and crack bcrypt password hash | ⭐ |
| Web | TimeKORP | Command injection | ⭐ |
| Web | Labyrinth Linguist | Blind Ja SSTI | ⭐⭐ |
| Web | Testimonial | GRPC to SSTI via file o | ⭐⭐ |
| Web | LockTalk | HAProxy C => python_jwt C | ⭐⭐⭐ |
| Web | SerialFlow | Memcached injection into deserialization RCE with size limit | ⭐⭐⭐ |
| Web | Percetron | HTTP smuggling on haproxy by abusing web socket initiation response code to keep TCP open => Curl Gopher SSRF => Malicious MongoDB TCP packet causing pri escalation => Cypher injection through malicious X509 certificates => Undocumented command injection in /se library | ⭐⭐⭐⭐ |
| Web | apexsurvive | Exploit race condition in email and get access to an internal user, perform CSS Injection to leak CSRF token, then perform CSRF to exploit self HTML injection, Hijack the service worker using DOM Clobbering and steal the cookies, once admin perform PDF arbitrary file write and o uwsgi.ini to get RCE. | ⭐⭐⭐⭐⭐ |
| Hardware | BunnyPass | Default credentials on RabbitMQ | ⭐ |
| Hardware | Maze | Na the filesystem of a printer | ⭐ |
| Hardware | Rids | Read flash memory | ⭐⭐ |
| Hardware | The PROM | Read the extra memory of an EEPROM. | ⭐⭐⭐ |
| Hardware | Flash-ing Logs | Flash memory | ⭐⭐⭐⭐ |
| Blockchain | Russian Roulette | Small brute force in a function call | ⭐ |
| Blockchain | Recovery | Reco BTC funds given an Electrum seed phrase | ⭐⭐ |
| Blockchain | Lucky Faucet | Integer Underflow | ⭐⭐ |

项目信息

开发语言：Python

Star 数：222

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Official writeups for Cyber Apocalypse CTF 2024: Hacker Royale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。