Agent: Add ExploiterWrapper

[mssalvatore]

What does this PR do?

Adds ExploiterWrapper for issue #1605

Add any further explanations here.

PR Checklist

• Have you added an explanation of what your changes do and why you'd like to include them?
• Is the TravisCI build passing?
• Was the CHANGELOG.md updated to reflect the changes?
• Was the documentation framework updated to reflect the changes?

Testing Checklist

• Added relevant unit tests?
• Have you successfully tested your changes locally? Elaborate:

  Tested by running ssh exploiter locally

• If applicable, add screenshots or log transcripts of the feature working

[ilija-lazoroski]

If SSH Exploiter works, it looks good to me!