SpecterOps – Adversary Tactics: PowerShell

Automation is necessary to be efficient and successful in security for both offensive and defensive teams. Furthermore, with the rapid pace of migration to cloud infrastructure, the need to interact with infrastructure through automation is more important than ever. PowerShell is the language and shell that drives automation across the Windows and Azure ecosystem. Sitting on top of the massive .NET class library, there is very little that can not be done in PowerShell. Today, PowerShell is relied upon by red teams, threat hunters, incident responders, penetration testers, criminals, and nation-state adversaries alike. Before robust detection capabilities were widely deployed, PowerShell was also the tool of choice for attackers to evade detection. Between the modern security features offered and the fact that most AV/EDR solutions have a PowerShell prevention/detection component, it is imperative that both red teamers and blue teamers understand the defensive landscape when building and using tools within the language.

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