Nidhogg is an all-in-one simple to use rootkit for red teams.

LKM rootkit for Linux Kernels 2.6.x/3.x/4.x/5.x (x86/x86_64 and ARM64) - GitHub - m0nad/Diamorphine: LKM rootkit for Linux Kernels 2.6.x/3.x/4.x/5.x (x86/x86_64 and ARM64)

Fileless ring 3 rootkit with installer and persistence that hides processes, files, network connections, etc. - GitHub - bytecode77/r77-rootkit: Fileless ring 3 rootkit with installer and persisten...