Ignore Process Interrupts

ATT&CK T1564.011

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. Command interpreters often include specific commands/flags that ignore errors and other hangups, such as when the user of the active session logs off.(Citation: Linux Signal Man) These interrupt signals may also be used by defensive tools and/or analysts to pause or terminate specified running processes. Adversaries may invoke processes using `nohup`, [PowerShell](https://attack.mitre.org/techniques/T1059/

Category: Technique, stealth

MITRE ATT&CK: T1564.011

Reference: MITRE ATT&CK T1564.011