nimc2 is a very lightweight C2 written fully in nim (implant & server). If you want to give it a try check out the wiki to learn how to install and use nimc2. It's features include:

Windows & Linux implant generation
TCP socket communication (with HTTP communication coming soon)
Ability to create as many listeners as you want
A nice task system
Easy to use CLI
Loot system
...and a lot more features coming soon

Join the nimc2 discord server to discuss about this project.

Wiki

Getting started

Guides

Operating System support

The server is fully supported on Linux but unknown on Windows. The client is fully supported on Windows, with lack of features on Linux.

Server Support

All server features are available on both Linux and Windows platforms. You might need to install additional dependencies on both platform for cross-platform compilation (check installation wiki page)

Command Support

Feature	Windows Support	Linux Support
shell command	✅	✅
cmd command	✅	❌
info command	✅	⚠️
msgbox command	✅	❌
processes command	✅	❌
tokeninfo command	✅	❌
download command	✅	✅
upload command	✅	✅
screenshot command	✅	❌