https://github.com/nyuuuukie/override

🔐 More reverse engineering and exploiting!
https://github.com/nyuuuukie/override

21school 42projects 42school override

Last synced: 4 days ago
JSON representation

🔐 More reverse engineering and exploiting!

• Host: GitHub
• URL: https://github.com/nyuuuukie/override
• Owner: nyuuuukie
• Created: 2022-11-14T21:34:05.000Z (almost 2 years ago)
• Default Branch: main
• Last Pushed: 2022-12-11T16:35:40.000Z (almost 2 years ago)
• Last Synced: 2023-09-17T19:35:51.352Z (about 1 year ago)
• Topics: 21school, 42projects, 42school, override
• Language: Assembly
• Homepage:
• Size: 56.6 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

Awesome Lists containing this project

README

        
# override

The final project in the cybersecurity branch.

The goal is to pass 10 levels:

| Level | Exploit\Technique\Breach |

| ----- | ------- |

| [level00](/level00/walkthrough.md) | Passing suitable argument |

| [level01](/level01/walkthrough.md) | Buffer overflow, ret2libc |

| [level02](/level02/walkthrough.md) | Format string attack |

| [level03](/level03/walkthrough.md) | Passing suitable argument |

| [level04](/level04/walkthrough.md) | Buffer overflow, ret2libc |

| [level05](/level05/walkthrough.md) | Format string attack, GOT rewriting |

| [level06](/level06/walkthrough.md) | Passing suitable argument |

| [level07](/level07/walkthrough.md) | Passing suitable argument |

| [level08](/level08/walkthrough.md) | Privilege escalation with symbolic link |

| [level09](/level09/walkthrough.md) | Buffer overflow, ret2func |

## References

- [stack protection](https://developers.redhat.com/articles/2022/06/02/use-compiler-flags-stack-protection-gcc-and-clang#control_flow_integrity)

- [asm instructions at the beginning of the frame](https://reverseengineering.stackexchange.com/questions/15173/what-is-the-purpose-of-these-instructions-before-the-main-preamble)

- [frame structure](https://reverseengineering.stackexchange.com/questions/14880/basic-reversing-question-about-local-variable/14883#14883)

- [rpath vs runpath](https://medium.com/obscure-system/rpath-vs-runpath-883029b17c45)

- [compiling a shared library](https://amir.rachum.com/blog/2016/09/17/shared-libraries/#compiling-a-shared-library)

- [ret2shellcode](https://wiki.bi0s.in/pwning/stack-overflow/return-to-shellcode/)

- [stack protector](https://mudongliang.github.io/2016/05/24/stack-protector.html)