Adversaries may register for third-party web services to use as infrastructure during later activity, such as command and control, exfiltration over web services, or phishing. ATT&CK maps T1583.006 to Resource Development and notes that acquiring a public service may occur outside the target organization's visibility. The safe exercise below provisions and verifies a private, organization-owned GitHub test repository with inert README content.
Variant:
Brute-Force Subdomain Enumeration
powershell
RESTRICTED_ACCESS_BLUR_MARKER
RESTRICTED_ACCESS_BLUR_MARKER
RESTRICTED_ACCESS_BLUR_MARKER
RESTRICTED_ACCESS_BLUR_MARKER