TA0042 · RESOURCE DEVELOPMENT
Web Services
Adversaries may compromise access to third-party web services that can be used during targeting. A variety of popular websites exist for legitimate users to register for web-based services, such as GitHub, Twitter, Dropbox, Google, SendGrid, etc.
Detect it with
Once adversaries leverage the abused web service as infrastructure (ex: for command and control), it may be possible to look for unique characteristics associated with adversary software, if known.
Why it matters on shift
Web Services is one of the concrete ways adversaries achieve resource development. Recognising it in telemetry lets you name the technique in your ticket and pivot to what came before and after.
What to look for next
After resource development, the next tactic is usually Initial Access. Search your telemetry for the transition before closing the ticket.
Kill-chain context