TA0042 · RESOURCE DEVELOPMENT
Upload Tool
Adversaries may upload tools to third-party or adversary controlled infrastructure to make it accessible during targeting. Tools can be open or closed source, free or commercial.
Detect it with
If infrastructure or patterns in tooling have been previously identified, internet scanning may uncover when an adversary has staged tools to make them accessible for targeting.
Why it matters on shift
Upload Tool 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