Update request API to close out the body of the request

[Pascal-0x90]

Description

This is a follow on to https://github.com/mitre/sandcat/issues/424.

Type of change

• [x] Bug fix (non-breaking change which fixes an issue)

How Has This Been Tested?

By running the Sandcat beacon and analyzing the traffic with Wireshark. This fixes the session issue and information still gets properly transmitted between beacon and C2 server.

Checklist:

• [x] My code follows the style guidelines of this project
• [x] I have performed a self-review of my own code
• [ ] I have made corresponding changes to the documentation
• [ ] I have added tests that prove my fix is effective or that my feature works

[sonarcloud[bot]]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
0.0% Duplication

[elegantmoose]

Thank you @Pascal-0x90