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Powering Up Incident Response with Power-Response
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Drew Schmitt | Matt Weikert | Gavin Prentice


Please note that Power-Response is still under active development. We will continue to add plugins and enhancements for the foreseeable future. If you have any requests, please submit an issue above. We also accept pull requests. If you have something you would like to contribute, send up a pull request for us to take a look. Please check the wiki for details on best practices for developing plugins for Power-Response.

What is Power-Response?

Power-Response is a modular PowerShell Framework for Incident Response. The aim of Power-Response is to provide a framework that acts as a constient and highly usable tool by all members of an incident response team, or other roles that require the ability to rapidly collect data during security incidents while focusing on consolidated output methods, increased logging, and ease of data collection.

Kansa was an inspiration for Power-Response, so a huge shout out to Dave Hull for his work on that project!

The Power is in the Plugins

Power-Response was developed to be a robust, flexible, and scalable framework with one job: to be a consolidated framework that allows them to use any plugin (i.e. PowerShell script) to collect data from any interesting endpoint. This means that you can take your scripts that you have been using for years, place them into a location in your plugins directory and you can use that plugin with Power-Response.

We've given you the template that we use for creating our plugins (it's in the Extras directory). Also, you really can use any plugin that you want. You just need to drop them into a location that is located under the plugins directory. Power-Response will make them all readily available to you in an easy to use menu style framework.

Power-Response Quick Start Guide

Install Power-Response

There is no formal installation required. Simply clone the reposity using git (git clone https://github.com/Asymmetric-InfoSec/Power-Response.git) or download the zip file and move into your desired location

Note: There isn't any directory dependencies for where the root directory of Power-Response needs to live.

Dependencies

PowerShell Remoting

Power-Response depends on PowerShell remoting. All remote hosts will need to have PowerShell remoting enabled for data collection to be successful.

Run the Config Script

If you downloaded the zip from GitHub, Unblock Config-PR.ps1 by executing Unblock-File .\Config-PR.ps1

Execute Config-PR.ps1 located in the Power-Response root directory to satisfy all dependencies

Big shout outs to Eric Zimmerman, Michael Cohen, and the Sysinternals crew for making amazing tools we can incorporate into our framework!

Start Power-Response

Power-Response comes with pre-built plugins in the plugins directory of the repository (we will continue to add plugins as rapidly as possible), so you should be able to get going pretty quickly. Don't worry too much about any other directories, Power-Response will generate all necessary directories on the fly as needed.

It is recommended that you run Power-Response in a user context that allows you to collect data on all target machines.

Invoke Power-Response by executing .\Power-Response.ps1

You will be dropped into an interactive menu style framework that will guide you through executing plugins to collect data on the target machine(s).

You will be able to navigate through the framework by making selections (pick a number) and that will either navigate to the next directory or will select a plugin for you to start data collection.

Power-Response Help Menu

As you navigate the framework, you may end up having questions about what you can and cannot do. At any given time, invoke the help command and you will be provided with commands that you can execute at your current position in the framework. The available commands will be all, or some, of the following:

Name: Description

back: de-select a script file and move back to menu context
exit: exits Power Response
help: displays the help for all or specified commands
remove: removes all or a specified parameter values
run: runs the selected script with parameters set in environment
set: sets a parameter to a value
show: shows a list of all or specified parameters and values
clear: clears the screen of clutter while running plugins

Data Collection and Plugin Execution with Power-Response

When you enter into a plugin, Power-Response will show you the parameters (both optional and required) that are available for the plugin. The parameters will also show you what parameter type they are (string, string array, integer, etc.) so you can provide the correct value type. To set a value for a parameter, you will use the set command.

Example: set ComputerName test-pc -- will set the ComputerName variable to "test-PC"

After you have set all parameters for the plugin, simply execute the run command and the plugin will run to completion. If there are errors during execution, Power-Response will let you know.

Any output generated will be moved to the Output directory and named based on plugin run and timestamp. By default, Power-Response will provide the plugin output in both XML and CSV format.

Note: As you navigate from plugin to plugin, Power-Response will attempt to maintain parameter values. For instance, if you set ComputerName in one plugin and navigate to another plugin to collect more data, the ComputerName parameter will already be assigned (as long as the parameter types are the same - see the Wiki for more details)

At anytime you can execute the show command to see what is available to you in a menu or plugin.

For a quick video tutorial, take a look at this video

Intro to Power-Response

Contact Information

Drew Schmitt - @5ynax (Twitter)

Matt Weikert - @5k33tz (Twitter)

Gavin Prentice - @Valrkey (Twitter)

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