TA0005 · DEFENSE EVASION
File Deletion
Adversaries may delete files left behind by the actions of their intrusion activity.
Detect it with
It may be uncommon for events related to benign command-line functions such as DEL or third-party utilities or tools to be found in an environment, depending on the user base and how systems are typically used.
Why it matters on shift
File Deletion is one of the concrete ways adversaries achieve defense evasion. 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 defense evasion, the next tactic is usually Credential Access. Search your telemetry for the transition before closing the ticket.
Kill-chain context