Four to five years approaches eternity in an area that was so quickly developing during the last decade; equally impossible they in Twitter missed the news about Lamo's fading away. I think that even if he'd not bragged in vain that he could reach admin settings, the exploit he had used previously might have come obsolete during almost inevitable massive refactoring. So Occam's razor shaves your plot, however clever, to cyberpunk genre. At the same time, 17-years-old loophole in Windows Server was closed not sooner than on the current week… but that’s another matter in mature field.