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# Quasar
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[![Build status ](https://ci.appveyor.com/api/projects/status/5857hfy6r1ltb5f2?svg=true )](https://ci.appveyor.com/project/MaxXor/quasarrat)
[![Downloads ](https://img.shields.io/github/downloads/quasar/QuasarRAT/total.svg )](https://github.com/quasar/QuasarRAT/releases)
[![License ](https://img.shields.io/github/license/quasar/QuasarRAT.svg )](LICENSE)
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**Free, Open-Source Remote Administration Tool for Windows**
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Quasar is a fast and light-weight remote administration tool coded in C#. The usage ranges from user support through day-to-day administrative work to employee monitoring. Providing high stability and an easy-to-use user interface, Quasar is the perfect remote administration solution for you.
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## Screenshots
![remote-shell ](Images/remote-shell.png )
![remote-desktop ](Images/remote-desktop.png )
![remote-files ](Images/remote-files.png )
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## Features
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* TCP network stream (IPv4 & IPv6 support)
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* Fast network serialization (Protocol Buffers)
* Compressed (QuickLZ) & Encrypted (TLS) communication
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* UPnP Support
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* Task Manager
* File Manager
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* Startup Manager
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* Remote Desktop
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* Remote Shell
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* Remote Execution
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* System Information
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* Registry Editor
* System Power Commands (Restart, Shutdown, Standby)
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* Keylogger (Unicode Support)
* Reverse Proxy (SOCKS5)
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* Password Recovery (Common Browsers and FTP Clients)
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* ... and many more!
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## Download
* [Latest stable release ](https://github.com/quasar/QuasarRAT/releases ) (recommended)
* [Latest development snapshot ](https://ci.appveyor.com/project/MaxXor/quasarrat )
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## Supported runtimes and operating systems
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* .NET Framework 4.5.2 or higher
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* Supported operating systems (32- and 64-bit)
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* Windows 10
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* Windows Server 2019
* Windows Server 2016
* Windows 8/8.1
* Windows Server 2012
* Windows 7
* Windows Server 2008
* Windows Vista
* For older systems please use [Quasar version 1.3.0 ](https://github.com/quasar/QuasarRAT/releases/tag/v1.3.0.0 )
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## Compiling
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Open the project in Visual Studio 2019+ with installed .NET desktop development features and [restore the NuGET packages ](https://docs.microsoft.com/en-us/nuget/consume-packages/package-restore ). Once all packages are installed the project can be compiled as usual by clicking `Build` at the top or by pressing `F6` . See below which build configuration to choose from.
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## Building a client
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| Build configuration | Usage scenario | Description
| ----------------------------|----------------|--------------
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| Debug configuration | Testing | The pre-defined [Settings.cs ](/Quasar.Client/Config/Settings.cs ) will be used, so edit this file before compiling the client. You can execute the client directly with the specified settings.
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| Release configuration | Production | Start `Quasar.exe` and use the client builder.
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## Contributing
See [CONTRIBUTING.md ](CONTRIBUTING.md )
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## Roadmap
See [ROADMAP.md ](ROADMAP.md )
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## Documentation
See the [wiki ](https://github.com/quasar/QuasarRAT/wiki ) for usage instructions and other documentation.
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## License
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Quasar is distributed under the [MIT License ](LICENSE ).
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Third-party licenses are located [here ](Licenses ).
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## Thank you!
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I really appreciate all kinds of feedback and contributions. Thanks for using and supporting Quasar!