This golang project allows you to compile static content such as binaries into your golang binary. All of these requirements create a logistical NIGHTMARE so I did some Googling and found the following golang project go-bindata. This approach causes a lot of headaches to ensure the following were all correct: Osquery is installed, Osquery extension is on the machine, Osquery is configured to use the extension, ProcDump and DumpIt are in the correct locations, and the machine has the required versions of DumpIt and ProcDump. The first iteration of this extension required the machine to have DumpIt and ProcDump on the machine and in a specific location.
#Osquery manager full#
Therefore, this Osquery-go extension leverages pre-existing tools such as DumpIT to perform full memory captures and ProcDump to perform process memory captures. To my knowledge, no open-source golang projects exist to perform full memory dumps or even process memory dumps. This section will cover the architecture and design decisions of each Osquery extension.
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To understand how to operate these Osquery tables/extensions you must first understand the construction of the extensions. The framework is intended to introduce people to the techniques and complexities associated with extracting digital artifacts from volatile memory samples and provide a platform for further work into this exciting area of research. The extraction techniques are performed completely independent of the system being investigated but offer visibility into the runtime state of the system. The Volatility Framework is a completely open collection of tools, implemented in Python under the GNU General Public License, for the extraction of digital artifacts from volatile memory (RAM) samples. It also can serve as a general process dump utility that you can embed in other scripts.
#Osquery manager windows#
ProcDump also includes hung window monitoring (using the same definition of a window hang that Windows and Task Manager use), unhandled exception monitoring and can generate dumps based on the values of system performance counters. ProcDump is a command-line utility whose primary purpose is monitoring an application for CPU spikes and generating crash dumps during a spike that an administrator or developer can use to determine the cause of the spike. Perfect for deploying the executable on USB keys, for quick incident responses needs. The raw memory dump is generated in the current directory only a confirmation question is prompted before starting. It works with both x86 (32-bits) and 圆4 (64-bits) machines. The DumpIt utility is used to generate a physical memory dump of Windows machines. For more information about how this process works at a lower level, see the osquery wiki. You can then have osquery load the extension in your desired context (ie: in a long running instance of osqueryd or during an interactive query session with osqueryi). To create an extension, you must create an executable binary which instantiates an ExtensionManagerServer and registers the plugins that you would like to be added to osquery. This project contains Go bindings for creating osquery extensions in Go. are implemented via a robust plugin and extensions API. In Osquery, SQL tables, configuration retrieval, log handling, etc.
With osquery, SQL tables represent abstract concepts such as running processes, loaded kernel modules, open network connections, browser plugins, hardware events or file hashes. This allows you to write SQL-based queries to explore operating system data. Osquery exposes an operating system as a high-performance relational database. Follow me with another threat detection engineering experience with Osquery-go. This blog post will provide a high overview of the architecture of these Osquery extensions for this project, how to generate memory dumps, and how to remotely analyze these memory dumps with Osquery.
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I never got the time to do a deep dive into my idea but since I have been creating some Osquery-go extensions lately, I decided to take a crack at my idea. For several years I have always wanted to write an Osquery extension to perform memory dumps and analysis.
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