Hacking_and_Penetration_Testing_with_Low_Power_Devices

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CHAPTER Meet the deck 1 INFORMATIONINTHISCHAPTER: • The Deck—a custom Linux distribution • Small computer boards running Linux • Standard penetration testing tools • Penetration testing desktops • Dropboxes—attacking from within • Drones—attacking from a distance with multiple devices INTRODUCTION We live in an increasingly digital world. The number of interconnected devices in our world is constantly on the rise. Businesses worldwide rely on computers, tablets, smartphones, and other digital devices in order to compete in a global economy. Many businesses are necessarily connected to the Internet. Newly connected systems can come under attack by malicious persons and/or organizations in a matter of minutes. Because of this, the demand for information security (infosec) professionals is strong. Penetration testers (pentesters) are some of the most sought after infosec people. Chances are that if you are reading this book, you already know what penetration testing entails. Penetration testing (pentesting) is authorized hacking performed at the request of a client in order to ascertain how easily their digital security may be penetrated and steps that should be taken to improve their security posture. The need for penetration testing has led to the creation of a number of specialized Linux distributions. Up until now, these custom Linux distributions have been created almost exclusively to be run by a single penetration tester using an Intel-based (or AMD-based) desktop or laptop computer. FEAR NOT Before getting started with the main topic of this chapter, I wanted to provide you with some assurances up front. This book is written under the assumption that you have an understanding of general penetration testing concepts and basic Linux usage. Everything else you need to know will be provided in this book. You need not be an elite hacker (but if you are, then good for you!) or advanced Linux user/administrator to get something out of this book. Most importantly, absolutely Hacking and Penetration Testing with Low Power Devices © 2015 Elsevier Inc. All rights reserved. 1
2 CHAPTER 1 Meet the deck no hardware knowledge is assumed. While information will be provided for those wishing to create their own custom circuit boards and such, most of what is described in this book is also commercially available. If you are new to the idea of hardware hacking, you can choose the level to which you want to push yourself. You can simply play it safe and buy commercially available BeagleBone capes (expansion boards that plug into the BeagleBone directly; see http://beagleboard.org/cape for more information). If you want to get your feet wet, you might solder four wires to a commercially available XBee adapter (such as this Adafruit adapter (http://www.adafruit.com/products/126)) to create a mini-cape as described later in this book. Information is provided for advanced users who want to etch their own custom circuit boards. You can do as little or as much hardware hacking as you wish without affecting your ability to perform powerful penetration tests as described in this book. THE DECK The Deck, the custom Linux distribution described in this book, breaks the traditional model by providing penetration testers with an operating system that runs on lowpower ARM-based systems developed by the nonprofit BeagleBoard.org Foundation (these will be described more fully in the next chapter, but see http://beagleboard. org/Getting%20Started if you just cannot wait till then). This permits devices running The Deck to be easily hidden and opens up the possibility of running off of battery power. At the time of this writing, The Deck contained over 1600 packages, making it extremely useful for penetration testing. The Deck is extremely flexible and is equally adept at being used as a traditional desktop, dropbox, or remote hacking drone. WHAT’S IN A NAME? The Deck If you are a reader of science fiction, you may already have a suspicion where the name The Deck comes from. The Deck can refer to the custom Linux distribution described in this book or to a device running The Deck operating system. In the 1984 science fiction classic Neuromancer by William Gibson, cyber-cowboys using computer terminals attached to the Internet are said to “punch deck.” Gibson described a future where advanced devices (decks) are used to access the Internet. In my mind, the Beagles and similar small, low-power, inexpensive devices represent the future of penetration testing. Naming the system The Deck is a tribute to Gibson. Additionally, the Beagle- Bone is roughly the size of a deck of cards. DEVICES RUNNING THE DECK All of the devices shown in Figure 1.1 are running The Deck. At the time of this writing, The Deck runs on three devices in the Beagle family: the BeagleBoardxM, BeagleBone, and BeagleBone Black edition. These boards will be described
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Page 6 and 7: Dedicated to my favorite wife, my f
Page 8 and 9: Contents Foreword..................
Page 10 and 11: Contents ix Network Hubs and Switch
Page 12 and 13: Foreword So I will start out this f
Page 14 and 15: Author Biography Dr. Philip Polstra
Page 16 and 17: Acknowledgments First and foremost,
Page 20 and 21: The deck 3 FIGURE 1.1 Collection of
Page 22 and 23: The deck 5 FIGURE 1.4 Fern WiFi Cra
Page 24 and 25: The deck 7 MODES OF OPERATION One o
Page 26 and 27: The deck 9 stores data only on a lo
Page 28 and 29: Summary 11 I knew that The Deck, wh
Page 30 and 31: CHAPTER Meet the beagles 2 INFORMAT
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Page 44 and 45: CHAPTER Installing a base operating
Page 46 and 47: Introduction 29 FIGURE 3.2 QNX smar
Page 48 and 49: Introduction 31 FIGURE 3.4 Android
Page 50 and 51: Introduction 33 (http://openembedde
Page 52 and 53: Introduction 35 FIGURE 3.6 Arch Lin
Page 54 and 55: Introduction 37 Sabayon In the phys
Page 56 and 57: Introduction 39 Table 3.7 Fedora Pe
Page 58 and 59: Introduction 41 tar xJf debian*.xz
Page 60 and 61: Ubuntu options 43 supportive commun
Page 62 and 63: Creating a microSD Card 45 Device t
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Chapter 3 Appendix: digging deeper
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Chapter 3 Appendix: digging deeper
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CHAPTER Filling the toolbox 4 INFOR
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Adding a graphical environment 57 b
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Adding a graphical environment 59 W
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Adding a graphical environment 61 t
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Adding tools the easy way 63 The li
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Adding tools the easy way 65 check_
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Adding tools the easy way 67 echo -
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Adding tools the hard way 69 # chec
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Adding tools the hard way 71 descri
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Adding tools the hard way 73 FIGURE
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Adding tools the hard way 85 dl_src
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Starter set of tools 87 and possibl
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Starter set of tools 89 #get John w
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Starter set of tools 91 The company
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CHAPTER Powering The Deck 5 INFORMA
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Power requirements 95 the city and
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Power sources 97 WALL POWER When it
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Power sources 99 Thanks to commonly
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Power sources 101 Table 5.2 Duracel
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Reducing power consumption 103 REDU
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Penetration testing with a single b
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Summary 121 site. In-depth testing
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CHAPTER Input and output devices 6
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Display options 125 FIGURE 6.1 LCD7
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IEEE 802.11 wireless 127 The Alfa A
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BeagleBone capes 129 FIGURE 6.4 UAR
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BeagleBone capes 131 pull-up resist
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BeagleBone capes 133 FIGURE 6.7 XBe
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BeagleBone capes 135 Newly created
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BeagleBone capes 137 Table 6.1 Cape
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BeagleBone capes 139 If you don’t
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Penetration testing with a single r
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Summary 153 if "done" in status.ite
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CHAPTER Building an army of devices
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Using IEEE 802.15.4 networking 157
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Configuring IEEE 802.15.4 modems 15
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Remote control the easy way 167 FIG
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Remote control via python 169 seria
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Remote control via python 171 impor
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Remote control via python 173 elif
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Remote control via python 175 dnum
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Remote control via python 177 rc_na
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Remote control via python 179 The M
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Remote control via python 181 } [ "
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Remote control via python 183 Merel
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Saving power 185 on the modem. The
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Adding security 187 a different cha
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Expanding Your Reach 189 FIGURE 7.1
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Penetration testing with multiple d
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Summary 203 # if IP and MAC aren’
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CHAPTER Keeping your army secret 8
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Hiding devices 207 FIGURE 8.2 At fi
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Hiding devices 209 FIGURE 8.4 Car d
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Hiding devices 211 FIGURE 8.7 Wirel
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Hiding devices 213 FIGURE 8.11 Unde
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Hiding devices 215 FIGURE 8.14 Unde
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FIGURE 8.17 Inside the Dalek Desk D
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FIGURE 8.21 The haxtar. The haxtar
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Installing devices 221 example, wea
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CHAPTER Adding air support 9 INFORM
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Building the AirDeck 225 Latte is s
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Building the AirDeck 227 what you a
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Using your aerial drone 229 Power i
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Using your aerial drone 231 Install
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Alternative aircraft 233 else { //
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CHAPTER Future directions 10 INFORM
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Closing thoughts 237 For reasons me
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Index Note: Page numbers followed b
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Index 241 configuration, 77-79, 83f
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Index 243 Python scripts, 143-144 w
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