TA0005 · DEFENSE EVASION
Resource Forking
Adversaries may abuse resource forks to hide malicious code or executables to evade detection and bypass security applications.
Detect it with
Identify files with the com.apple.ResourceFork extended attribute and large data amounts stored in resource forks.
Why it matters on shift
Resource Forking 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