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Empire 4 is a post-exploitation framework that includes a pure-PowerShell Windows agents, Python 3.x Linux/OS X agents, and C# agents. It is the merger of the previous PowerShell Empire and Python EmPyre projects. The framework offers cryptologically-secure communications and flexible architecture.

On the PowerShell side, Empire implements the ability to run PowerShell agents without needing powershell.exe, rapidly deployable post-exploitation modules ranging from key loggers to Mimikatz, and adaptable communications to evade network detection, all wrapped up in a usability-focused framework. PowerShell Empire premiered at BSidesLV in 2015 and Python EmPyre premiered at HackMiami 2016. BC Security presented updates to further evade Microsoft Antimalware Scan Interface (AMSI) and JA3/S signatures at DEF CON 27.

Empire relies heavily on the work from several other projects for its underlying functionality. We have tried to call out a few of those people we've interacted with heavily here and have included author/reference link information in the source of each Empire module as appropriate. If we have failed to properly cite existing or prior work, please let us know at

Empire is currently being developed and maintained by @Cx01N, @Hubbl3, & @Vinnybod. While the original Empire project is no longer maintained, this fork is maintained by @bcsecurity1. Please reach out to us on our Discord if you have any questions or want to talk about offensive security.

Thank you to the original team of developers: @harmj0y, @sixdub, @enigma0x3, @rvrsh3ll, @killswitch_gui, & @xorrior


Release Notes

Please see our Releases or Changelog page for detailed release notes.


Empire 4 introduces a new server and client architecture which requires running each in separate terminals. Check out the Installation Page for install instructions.


# Start Server
./ps-empire server

# Help
./ps-empire server -h


# Start Client
./ps-empire client

# Help
./ps-empire client -h

Check out the Empire Docs for more instructions on installing and using with Empire. For a complete list of the 4.0 changes, see the changelog.

Join us in our Discord to with any comments, questions, concerns, or problems!


Starkiller is a GUI for PowerShell Empire that interfaces remotely with Empire via its API. Starkiller can be ran as a replacement for the Empire client or in a mixed environment with Starkiller and Empire clients.

Contribution Rules

See Contributing

Official Discord Channel