Increase OpenBAS TTP coverage

[EllynBsc]

Use case

Today we dont cover efficiently all TTP, making the simulation created from a report incomplete. We need to increase our coverage to prove the value of OBAS x OCTI integration.

[RomuDeuxfois]

We can find Atomic Red Team Mitre Coverage thanks to Attack Navigator here:
https://mitre-attack.github.io/attack-navigator/#layerURL=https://raw.githubusercontent.com/redcanaryco/atomic-red-team/master/atomics/Indexes/Attack-Navigator-Layers/art-navigator-layer.json

Some threat library:

• https://sstr-project.github.io/index.html
• https://github.com/endgameinc/RTA/tree/master
• https://unprotect.it/
• https://github.com/samratashok/nishang
• https://lolbas-project.github.io/lolbas/Binaries/Bash/
• https://gtfobins.github.io/

[RomuDeuxfois]

Priority on our github payload repo #1991
See with @EllynBsc & @SamuelHassine