Try opened vx-underground, virus exchange. Vx-underground site archived collection of malware or assembly code you can create own using c and asm, asm is very hard and shitty programming you must strong logic, something else

https://www.vx-underground.org/ 

I don't have. I found in Github, try another one  

https://github.com/D4stiny/spectre (Windows)

https://github.com/chokepoint/azazel (Linux) 

Rootkit detection 

https://www.malwarebytes.com/antirootkit 

https://www.sophos.com/en-us/products/free-tools/sophos-anti-rootkit.aspx 

If you have send me please 

Thanks all i founded