sigmaDRL-1.1from SigmaHQ/sigma
PowerShell Defender Threat Severity Default Action Set to 'Allow' or 'NoAction'
Detects the use of PowerShell to execute the 'Set-MpPreference' cmdlet to configure Windows Defender's threat severity default action to 'Allow' (value '6') or 'NoAction' (value '9'). This is a highly suspicious configuration change that effectively disables Defender's ability to automatically mitigate threats of a certain severity level. An attacker might use this technique via the command line to bypass defenses before executing payloads.
Quality
76
FP risk
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ATT&CK techniques
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