Quasar - Remote Administration Tool for Windows

项目说明

Quasar

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Free, Open-Source Remote Administration Tool for Windows

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. Pro high stability and an easy-to-use user interface, Quasar is the perfect remote administration solution for you.

Please check out the Getting Started guide.

Screenshots

!remote-shell

!remote-desktop

!remote-files

Features

* TCP network stream (IPv4 & IPv6 support)
* Fast network serialization (Protocol Buffers)
* Encrypted communication (TLS)
* UPnP Support (automatic port forwarding)
* Task Manager
* File Manager
* Startup Manager
* Remote Desktop
* Remote Shell
* Remote Execution
* System Information
* Registry Editor
* System Power Commands (Restart, Shutdown, Standby)
* Keylogger (Unicode Support)
* Reverse Proxy (SOCKS5)
* Password Recovery (Common Browsers and FTP Clients)
* ... and many more!

Download

* Latest stable release (recommended)
* Latest de snapshot

Supported runtimes and operating systems

* .NET Framework 4.5.2 or higher
* Supported operating systems (32- and 64-bit)
* Windows 11
* Windows Server 2022
* Windows 10
* Windows Server 2019
* Windows Server 2016
* Windows 8/8.1
* Windows Server 2012
* Windows 7
* Windows Server 2008 R2
* For older systems please use Quasar 1.3.0

Compiling

Open the project Quasar.sln in Studio 2019+ with installed .NET desktop de features and restore the NuGET packages. Once all packages are installed the project can be compiled as usual by clicking Build at the top or by pressing F6. The resulting executables can be found in the Bin directory. See below which build configuration to choose from.

Building a client

| Build configuration | Usage scenario | Description
| ----------------------------|----------------|--------------
| Debug configuration | Testing | The pre-defined Settings.cs will be used, so edit this file before compiling the client. You can execute the client directly with the specified settings.
| Release configuration | Production | Start Quasar.exe and use the client builder.

Contributing

See CONTRIBUTING.md

Roadmap

See ROADMAP.md

Documentation

See the wiki for usage instructions and other documentation.

License

Quasar is distributed under the MIT License.
Third-party licenses are located here.

Thank you!

I really appreciate all kinds of feedback and contributions. Thanks for using and supporting Quasar!

项目信息

开发语言：C#

Star 数：9900

技术要点

该项目属于红蓝攻防方向的开源资源，代码结构清晰，适合安全研究人员学习参考。项目围绕Remote Administration Tool for Windows展开，提供了可运行的实现，对理解相关安全机制、工具原理与攻防技术具有较高的研究价值。

从技术实现角度看，此类项目的核心在于对底层原理的深入理解与工程化落地。开发者在研究过程中可以结合官方文档与社区讨论，梳理项目的初始化流程、核心模块职责与数据流转，逐步掌握其中的技术细节与设计思路。

使用与学习建议

1. 下载源码压缩包，解压到本地环境。

2. 根据项目类型准备对应的运行环境与依赖。

3. 按照 README 中的步骤完成配置与部署。

4. 在隔离的测试环境中运行验证，避免影响生产系统。

免责声明

本资源来源于开源社区，仅供安全研究、技术学习与合法授权范围内的攻防演练使用，请勿用于任何非法或侵害他人权益的用途。使用本项目产生的一切后果由使用者自行承担。