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       Worm: The First Digital World War, p.1

           Mark Bowden
 
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Worm: The First Digital World War


  Also by Mark Bowden

  Doctor Dealer

  Bringing the Heat

  Black Hawk Down

  Killing Pablo

  Finders Keepers

  Road Work

  Guests of the Ayatollah

  The Best Game Ever

  Worm

  The First Digital

  World War

  Mark Bowden

  Atlantic Monthly Press

  New York

  Copyright © 2011 by Mark Bowden

  All rights reserved. No part of this book may be reproduced in any form or by any electronic or mechanical means, including information storage and retrieval systems, without permission in writing from the publisher, except by a reviewer, who may quote brief passages in a review. Scanning, uploading, and electronic distribution of this book or the facilitation of such without the permission of the publisher is prohibited. Please purchase only authorized electronic editions, and do not participate in or encourage electronic piracy of copyrighted materials. Your support of the author’s rights is appreciated. Any member of educational institutions wishing to photocopy part or all of the work for classroom use, or anthology, should send inquiries to Grove/Atlantic, Inc., 841 Broadway, New York, NY 10003 or [email protected]

  Published simultaneously in Canada

  Printed in the United States of America

  FIRST EDITION

  ISBN-13: 9780802195128

  Atlantic Monthly Press

  an imprint of Grove/Atlantic, Inc.

  841 Broadway

  New York, NY 10003

  Distributed by Publishers Group West

  www.groveatlantic.com

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  For the inimitable James M. Naughton, aka, Swami, who in a typical moment of inspired whimsy thirty years ago, named me “science writer.”

  Contents

  Principal Characters

  1 Zero

  2 MS08-067

  3 Remote Thread Injection

  4 An Ocean of Suckers

  5 The X-Men

  6 Digital Detectives

  7 A Note from the Trenches

  8 Another Huge Win

  9 Mr. Joffe Goes to Washington

  10 Cybarmageddon

  11 April Fools

  Sources

  Notes

  Principal

  Characters

  T. J. Campana, Senior Manager for Investigations for Microsoft’s Digital Crimes Unit. He now works out of Microsoft’s Redmond, Washington, campus, and was the primary representative of the software giant in the Cabal.

  John Crain, ICANN Senior Director for Security, Stability, and Resiliency, the British-born point man for ICANN contribution to the Cabal, who secured cooperation from Top Level Domains worldwide. He lives in Long Beach, California.

  Andre DiMino, a cofounder of Shadowserver.com, a nonprofit botnet-hunting service, was one of the first to sinkhole and study Conficker, from his home in New Jersey.

  Rodney Joffe, South African–born head of security for Neustar, Inc. A successful entrepreneur now based in Phoenix, he holds several patents and is an internationally known expert in Internet security. He has been a White House adviser on cybersecurity issues and is the official head of the Cabal (The Conficker Working Group).

  Chris Lee, Georgia Tech grad student who took over the Cabal’s sinkholing operation. He now works for the Department of Homeland Security.

  Andre “Dre” Ludwig, a North Virginia–based consultant, now a senior manager for Neustar, Inc., handling Top Level Domain security, who was responsible for technical strategy within the Cabal, technical verification, and was liaison to the security industry.

  Ramses Martinez, Information Security Director of VeriSign, Inc., which operates two of the Internet’s thirteen root servers from Dulles, Virginia.

  Phil Porras, Program Director for SRI International in Menlo Park, California, was one of the first to study Conficker and spearheaded efforts to predict its behavior and defeat it. He led the Cabal’s reverse engineering subgroup.

  Hassen Saidi, a native of Algeria with a PhD in computer studies, who was the primary reverse engineer on Phil Porras’s staff at SRI International. He dissected the various strains of Conficker as they appeared.

  Paul Twomey, CEO and President of ICANN in Marina Del Rey, California, during the fight to contain Conficker.

  Paul Vixie, an American Internet pioneer based in San Francisco, outspokenly critical of the way the Internet is structured and the flaws in the Windows Operating System. Founder, Chairman, and Chief Scientist for the Internet Systems Consortium.

  Rick Wesson, CEO of Support Intelligence and owner of Alice’s Registry, based in San Francisco, one of the founding (and most controversial) members of the Cabal, who initiated the strategy of containing Conficker by anticipating and buying up domain names generated by the worm’s algorithm.

  1

  Zero

  NEW MUTANT ACTIVITY REGISTERED

  —X-Men; The Age of Apocalypse

  The new worm in Phil Porras’s digital petri dish was announced in the usual way: a line of small black type against a white backdrop on one of his three computer screens, displaying just the barest of descriptors—time of arrival . . . server type . . . point of origin . . . nineteen columns in all.

  The readout began:

  17:52:00 . . . Win2K-f . . . 201.212.167.29

  (NET.AR): PRIMA S.A, BUENOS AIRES,

  BUENOS AIRES, AR. (DSL) . . .

  It was near the end of the workday for most Californians, November 20, 2008, a cool evening in Menlo Park. Phil took no notice of the newcomer at first. Scores of these digital infections were recorded on his monitor every day, each a simple line on his Daily Infections Log—actually, his “Multi perspective Malware Infection Analysis Page.” This was the 137th that day. It had an Internet Protocol (IP) address from Argentina. Spread out across the screen were the infection’s vitals, including one column that noted how familiar it was to the dozens of antivirus (AV) companies who ride herd on malicious software (malware). Most were instantly familiar. For instance, the one just above was known to all 33 of the applicable AV vendors. The one before that: 35 out of 36.

  This one registered a zero in the recognition column: 0 of 37. This is what caught his eye when he first noticed it on his Log.

  Zero.

  Outside it was dark, but as usual Phil was still at his desk in a small second-story office on the grounds of SRI International, a busy hive of labs, hundreds of them, not far from Stanford University. It is a crowded cluster of very plain three-story tan-and-maroon buildings arrayed around small parking lots like rectangular building blocks. There is not a lot of green space. It is a node of condensed brainpower, one of the best-funded centers for applied science in the world, and with about seventeen hundred workers is the second-largest employer in Menlo Park. It began life as the Stanford Research Institute—hence the initials SRI—but it was spun off by the university forty years ago. It’s a place where ideas become reality, the birthplace of gizmos like the computer mouse, ultrasound imagery machines, or tiny robot drones. The trappings of Phil’s office are simple: a white leather couch, a lamp, and a desk, which is mostly taken up by his array of three computer monitors. On the walls are whiteboards filled with calculations and schematics and several framed photos of vintage World War II fighter planes, vestiges of a boyhood passion for model building. The view out his window, through a few leafy branches, is of an identical building across an enclosed yard. It could be any office in any industrial park in any state in America. But what’s remarkable about the view from behind Phil’s desk has nothing to do with what’s outside his window. It
’s on those monitors. Spread out in his desktop array of glowing multicolored pixels is a vista of cyberspace equal to . . . say, the state of Texas.

  One of the inventions SRI pioneered was the Internet. The research center is a cornerstone of the global phenomenon; it owned one of the first two computers formally linked together in 1969, the first strand of a web that today links billions. This was more than two decades before Al Gore popularized the term “information superhighway.” There at the genesis, every computer that connected to the nascent network was assigned its own 32-bit identity number or IP address, represented in four octets of ones and zeros. Today the sheer size of the Internet has necessitated a new system that uses 128-bit addresses. SRI ceded authority for assigning and keeping track of such things years ago, but it retains ownership of a very large chunk of cyberspace. Phil’s portion of it is a relatively modest, nothing-to-brag-about-but-damned-hard-to-get, “slash 16,” a block of the original digital universe containing 65,536 unique IP addresses—in other words, the last two octets of its identity number are variable, so that there are two to the sixteenth (216) possible distinct addresses, one for each potential machine added to its network. It gives him what he calls “a large contact surface” on the Internet. He’s like a rancher with his boots propped on the rail on the front porch before a wide-open prairie with, as the country song says, miles of lonesome in every direction. It’s good for spotting intruders.

  Phil’s specialty is computer security, or, rather, Internet security, because few computers today are not linked to others. Each is part of a network tied to another larger network that is in turn linked to a still larger one, and so on, forming an intricate invisible web of electrons that today circle the Earth and reach even to the most distant parts of our galaxy (if you count those wayfaring NASA robot vehicles sending back cool snapshots from mankind’s farthest reach into space). This web is the singular marvel of the modern age, a kind of global brain, the world at everyone’s fingertips. It is a tool so revolutionary that we have just begun to glimpse its potential—for good and for evil.

  Out on his virtual front porch, Phil keeps his eyes peeled for trouble. Most of what he sees is routine, the viral annoyances that have bedeviled computer users everywhere for decades, illustrating the principle that any new tool, no matter how helpful, will also be used for harm. Viruses are responsible for such things as the spamming of your in-box with come-ons for penis enlargement or million-dollar investment opportunities in Nigeria. Some malware is designed to damage or destroy your computer, or threaten to do so unless you purchase a remedy (which turns out to be fake). When you get hit, you know it. But the newest, most sophisticated computer viruses, like the most successful biological viruses, have bigger ambitions, and are designed for stealth. They would be noticed only by the most technically capable and vigilant of geeks. For these, you have to be looking.

  Anything new was enough to make Phil’s spine tingle. He had been working with computers since he was in high school in Whittier, California, and had sent away in 1984 for a build-it-yourself personal computer. Back then personal computers were not yet on the market. Small companies catered to a fringe community of users, many of them teenagers, who were excited enough and smart enough to see the potential for home use. They would order kits and assemble the machines themselves, using them to play games, mostly, or configuring them to perform simple household or business chores. Phil’s dad was an accountant, and his mom ran a care center for senior citizens, so he amazed them by programming his toy to handle time-consuming, monotonous tasks. But mostly he played games. He took computer classes in high school, contributing at least as much as he took away, and in college at the University of California, Irvine, he fell in with a group of like-minded geeks who amused themselves by showing off their programming skills. At the time—this was in the late 1980s—Sun Microsystems dominated the software world with “Solaris,” an operating system with a reputation for state-of-the-art security features. Phil and his friends engaged in a game of one-upmanship, hacking into the terminals in their college labs and playing pranks on each other. Some of the stunts were painful. Victims might lose a whole night of work because their opponent had remotely reprogrammed their keyboard to produce gibberish. So Phil’s introduction to computer warfare, even at this prank stage, had real consequences. It was a world where you either understood the operating system enough to fend off an attack, or got screwed.

  This kind of competition—mind you, these were very few geeks competing for very small stakes—nevertheless turned Phil into an aggressive expert in computer security. So much so that when he graduated, he had to go shopping for a professor at the graduate level who could teach him something. He found one in Richard Kemmerer at the University of California at Santa Barbara (UCSB), one of the only computer security academics in the country at the time, who quickly recognized Phil as more of a peer than a student. The way you capitalized on superior hacking skills in academia was to anticipate invasion strategies and devise way of detecting and fending them off. Phil was soon recognized as an expert in the newly emerging field. Today, UCSB has one of the most advanced computer security departments in the world, but back in the early 1990s, Phil was it. When UNIX-5 was purported to be the most secure operating system in the business, Phil cooked up fifty ways to break into it. When he was twenty years old, he was invited to a convention on computer security at SRI, where he presented his first attempts to design software that would auto-detect his impressive array of exploits. The research institute snapped him up when he finished his degree, and over the next two decades Phil’s expertise has evolved with the industry.

  Phil has seen malware grow from petty vandalism to major crime. Today it is often crafted by organized crime syndicates or, more recently, by nation-states. An effusive man with light brown skin and a face growing rounder as he approaches middle age, he wears thin-framed glasses that seem large for his face, and has thick brown hair that jumps straight up on top. Phil is a nice guy, a good guy. One might even say he’s a kind of superhero. In cyberspace, there really are bad guys and good guys locked in intense cerebral combat; one side cruises the Internet for pillage and plunder, the other to prevent it. In this struggle, Phil is nothing less than a giant in the army of all that is right and true. His work is filled with urgent purpose and terrific challenges, a high-stakes game of one-upmanship in a realm that few people comprehend. Like most people who love their work, Phil enjoys talking about it, to connect, to explain—but the effort is often doomed:

  . . . So what we ended up doing is, see, we ended up becoming really good at getting ourselves infected. Like through a sandnet. Executing the malware. Finding the IRC site and channel that was being exploited by the botmaster and simply going after it. Talking to the ISP and directly attacking. Bringing it down. Bringing down the IRC server or redirecting all IRC communications to use . . .

  He tries hard. He speaks in clipped phrases, ratcheting down his natural mental velocity. But still the sentences come fast. Crisp. To the point. You can hear him straining to avoid the tricky territory of broader context, but then, failing, inevitably, as his unstoppable enthusiasm for the subject matter slips out of low gear and he’s off at turbo speed into Wired World: . . . bringing down the IRC server . . . the current UTC date . . . exploiting the buffer’s capacity . . . utilizing the peer-to-peer mechanism . . . Suffice it to say, Phil is a man who has come face-to-face many times with the Glaze, the unmistakable look of profound confusion and uninterest that descends whenever a conversation turns to the inner workings of a computer.

  The Glaze is familiar to every geek ever called upon to repair a malfunctioning machine—Look, dude, spare me the details, just fix it! Most people, even well-educated people with formidable language skills, folks with more than a passing knowledge of word-processing software and spreadsheets and dynamic graphical displays, people who spend hours every day with their fingertips on keyboards, whose livelihoods and even leisure-time preferences increasin
gly depend on fluency with a variety of software, remain utterly clueless about how any of it works. The innards of mainframes and operating systems and networks are considered not just unfathomable but somehow unknowable, or even not worth knowing, in the way that many people are content to regard electricity as voodoo. The technical side of the modern world took a sharp turn with the discovery of electricity, and then accelerated off the ramp with electromagnetism into the Realm of the Hopelessly Obtuse, so that everyday life has come to coexist in strict parallel with a mysterious techno dimension. Computer technology rubs shoulders with us every day, as real as can be, even vital, only . . . also . . . not real. Virtual. Transmitting signals through thin air. Grounded in machines with no visible moving parts. This techno dimension is alive with . . . what exactly? Well-ordered trains of electrons? Binary charges?

  That digital ranch Phil surveys? It doesn’t actually exist, of course, at least not in the sense of dust and sand and mesquite trees and whirling buzzards and distant blue buttes. It exists only in terms of capacity, or potential. Concepts like bits and bytes, domain names, ISPs, IPAs, RPCs, P2P protocols, infinite loops, and cloud computing are strictly the province of geeks or nerds who bother to pay attention to such things, and who are, ominously, increasingly essential in some obscure and vaguely disturbing way to the smooth functioning of civilization. They remain, by definition, so far as the stereotype goes, odd, remote, reputed to be borderline autistic, and generally opaque to anyone outside their own tribe—THEY ARE MUTANTS, BORN WITH ABILITIES FAR BEYOND THOSE OF NORMAL HUMANS. The late M.I.T. professor Joseph Weizenbaum identified and described the species back at the dawn of the digital age, in his 1976 book Computer Power and Human Reason:

 
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