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TA0005 · DEFENSE EVASION

Ignore Process Interrupts

T1564.011Sub-technique of Hide ArtifactsLinux · macOS · Windowsattack.mitre.org

Adversaries may evade defensive mechanisms by executing commands that hide from process interrupt signals. Many operating systems use signals to deliver messages to control process behavior.

Detect it with

No MITRE detection guidance published. Build coverage from the parent technique and your own telemetry.

Why it matters on shift

Ignore Process Interrupts 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

← beforePrivilege EscalationDefense Evasionafter →Credential Access