PicoCTF2021-写入 - （我们设法找到的） 2021年P的解决方案

项目说明

PicoCTF2021-Writeup

For the sole purpose of proving people did stuff.
On a side note... these are the writeups for the few questions we managed to complete.
Side note x2: I don't think my team mates are going to add to this anymore but I'm going to also add in the questions that got solved *after* pico ended and be sad about the simplicity of some of them *cough* milk. E before this commit was sol pico ended (if it matters)

If you'd like to try some of these problems yourself, head on over to PicoGym!

For all binary exploitation problems in this writeup, you can find a more detailed explanation here

Questions

<details>

<summary>General Skills</summary>

|Question|Points|
|--------|------|
|Obedient Cat|5|
|Python Wrangling|10|
|Wave a flag|10|
|Nice netcat...|15|
|Static ain't always noise|20|
|Tab, Tab, Attack|20|
|Magikarp Ground Mission|30|

</details>

<details>

<summary>Cryptography</summary>

|Question|Points|
|--------|------|
|Mod 26|10|
|Mind your Ps and Qs|20|
|New Caesar|60|
|Dachshund Attacks|80|
|Pixelated|100|
|Play Nice|110|
|It is my Birthday 2|170|
|New |300|

</details>

<details>

<summary>Web Exploitation</summary>

|Question|Points|
|--------|------|
|Ancient History|10|
|GET aHEAD|20|
|Cookies|40|
|Sca Hunt|50|
|Some Assembly Required 1|70|
|It is my Birthday|100|
|Who are you?|100|
|Most Cookies|150|

</details>

<details>

<summary>Forensics</summary>

|Question|Points|
|--------|------|
|information|10|
|Weird File|20|
|Matryoshka doll|30|
|tunn3l |40|
|Wireshark doo dooo do doo...|50|
|MacroHard WeakEdge|60|
|Trivial Flag Transfer Protocol|90|
|Disk, disk, sleuth!|110|
|Milkslap|120|
|Disk, disk, sleuth! II|130|

</details>

<details>

<summary>Reverse Engineering</summary>

|Question|Points|
|--------|------|
|Transformation|20|
|keygenme-py|30|
|crackme-py|30|
|speeds and feeds|50|
|Shop|50|

</details>

<details>

<summary>Binary Exploitation</summary>

|Question|Points|
|--------|------|
|Stonks|20|
|What's your input|50|

</details>

项目信息

开发语言：Python

Star 数：172

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Solutions (that we managed to find) for the 2021 PicoCTF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。