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Escape Python Restricted Shell

Introduction

What is a restricted shell? A restricted shell is a shell that restricts some of the commands or "block" the environment variables like SHELL,PATH,USER. Some restricted shells blocks commands with / or the redirecting outputs like >, >>.

But why to create a restricted shell in first place?

  • To remain secured from Hackers (bad ones :P).
  • To improve system's security.
  • To protect system from dangerous commands.
  • To use in CTF Challenges.

What this project is all about ?

  • There are 4 restricted python shells I have created, with restricting ['import','eval','compile'], ['import','exec','compile'], ['import','exec','eval'] & ['import','exec','eval','compile'].

Copyright Rahul Indra