TA0005 · DEFENSE EVASION
Mutual Exclusion
Adversaries may constrain execution or actions based on the presence of a mutex associated with malware. A mutex is a locking mechanism used to synchronize access to a resource.
Detect it with
No MITRE detection guidance published. Build coverage from the parent technique and your own telemetry.
Why it matters on shift
Mutual Exclusion 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