Blog Archives

Cracking Open PowerShell’s Constrained Runspace

Recently at the PowerShell Summit, Lee Holmes and I did a talk on PowerShell security. One of the demonstrations we did showed how to find and exploit a command injection bug in a constrained runspace. I figured I’d write a

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Posted in Hacking, PowerShell

Avoiding PowerShell Command Injection & Unicode Issues

PowerShell exposes a powerful set of functionality and is increasing in popularity for server management tasks. This post aims to help penetration testers identify issues that may be found when PowerShell scripts handle user input. There are multiple scenarios where

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Posted in Hacking, PowerShell