Added two linux privilege escalation abilities

[xFaraday]

Description

Added two linux privilege escalation abilities and a payload

Type of change

• [x] New feature (non-breaking change which adds functionality)

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. I ran extensive tests locally with different configs to ensure abilities accomplish intended goal of privilege escalation.

Checklist:

• [x] My code follows the style guidelines of this project
• [x] I have performed a self-review of my own code
• [x] I have made corresponding changes to the documentation