Book Image

Learn PowerShell Core 6.0

By : David das Neves, Jan-Hendrik Peters
Book Image

Learn PowerShell Core 6.0

By: David das Neves, Jan-Hendrik Peters

Overview of this book

Beginning with an overview of the different versions of PowerShell, Learn PowerShell Core 6.0 introduces you to VSCode and then dives into helping you understand the basic techniques in PowerShell scripting. You will cover advanced coding techniques, learn how to write reusable code as well as store and load data with PowerShell. This book will help you understand PowerShell security and Just Enough Administration, enabling you to create your own PowerShell repository. The last set of chapters will guide you in setting up, configuring, and working with Release Pipelines in VSCode and VSTS, and help you understand PowerShell DSC. In addition to this, you will learn how to use PowerShell with Windows, Azure, Microsoft Online Services, SCCM, and SQL Server. The final chapter will provide you with some use cases and pro tips. By the end of this book, you will be able to create professional reusable code using security insight and knowledge of working with PowerShell Core 6.0 and its most important capabilities.
Table of Contents (26 chapters)
Title Page
Dedication
Packt Upsell
Contributors
Preface
Index

Current situation around PowerShell


First of all, we need to clarify the current situation in the field itself. The news is full of malware statements that were using PowerShell. Antivirus companies are describing that there is a decent amount of PowerShell usage within malware, and each day new vulnerabilities are being disclosed. In addition, we saw drastic impacts, with ransomware compromising whole companies and even hospitals by encrypting thousands of machines. We have many security conferences in the world: BlackHat, Def Con, Troopers, BlueHat, and BSides, to name a few. At all of these conferences, we can see demos that make use of PowerShell and demonstrate some attacking or exploiting techniques using it. This is only the tip of the iceberg, as we see also an increased use of PowerShell tactics in the lateral account movement. On GitHub, you can download many pentesting frameworks that are implemented with PowerShell. They have different uses such as post-exploitation, reconnaissance...