TA0005 · DEFENSE EVASION
Environmental Keying
Adversaries may environmentally key payloads or other features of malware to evade defenses and constraint execution to a specific target environment.
Detect it with
Detecting the use of environmental keying may be difficult depending on the implementation.
Why it matters on shift
Environmental Keying 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