Hacking_and_Penetration_Testing_with_Low_Power_Devices

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Texas instruments devices 15 FIGURE 2.2 BeagleBoard-xM as viewed from above. FIGURE 2.3 BeagleBoard-xM as viewed from below.
16 CHAPTER 2 Meet the beagles A Texas Instruments TPS65950 chip is used for power management and audio on the BeagleBoard-xM (details at http://www.ti.com/product/tps65950). While this might seem like a strange combination to put on a chip, the chip is designed to be used with TI’s set of processors in embedded applications where low chip count is an important design criterion. The TPS65950 allows the BeagleBoard-xM to be powered by the USB OTG (On-The-Go) connection when connected to a PC. This is not recommended when running lots of peripherals and/or a LCD touchscreen as the PC USB port may not be able to supply sufficient power. A USB Y-cable, powered USB hub, or external 5 V (2 A) power supply may be required when using USB peripherals with high-power requirements. The BeagleBoard-xM has four USB 2.0 host ports. Each port is capable of supplying up to 500 mA provided the board is powered via the DC input power connector and not the USB OTG port. The System Reference Manual recommends a 3 A power supply if all the ports are to be used. In my experience, a 2 A power supply is more than sufficient even when running a 1 W Alfa wireless adapter. All three USB 2.0 speeds (low, full, and high) are supported. The BeagleBoard-xM provides three options for video output: S-Video, DVI-D via HDMI connector, and LCD touchscreen. The S-Video connection can be used to connect the BeagleBoard-xM to a NTSC (default) or PAL television. The board may be configured to send different videos to the S-Video and DVI-D connections. A fullsize HDMI connector is used to connect the BeagleBoard-xM to a digital monitor or television. The DVI-D protocol is essentially the same as HDMI with the exception of not supporting sending audio over the HDMI cable. Enhanced Display ID (EDID) or Display Data Channel (DDC2B) is used to identify an attached monitor and configure video settings appropriately. Plugging in your monitor cable before you power up the BeagleBoard-xM is recommended to avoid surges, which could damage the board and for proper monitor identification. A pair of 0.05 in. 2 10 headers allow an LCD screen, such as the 7 in. touchscreen (http://elinux.org/Beagleboard: BeagleBone_LCD7) for the lunchbox computer shown in the last chapter, to be directly connected to the BeagleBoard-xM. The BeagleBoard-xM has one microSD card slot. The board supports highcapacity microSD cards. This is primarily used to house the operating system, but you can and should buy a larger card if you want to store data without the need to attach a USB mass storage device (which would increase your power usage among other things). When buying microSD cards, it is well worth the extra money to get a class 10 card. The use of class 4 or class 6 cards will have a noticeable impact on performance. Communication with the microSD card is 4 bits with a 20 MHz clock. Two buttons and six LEDs are used to facilitate user interaction on the BeagleBoard-xM. One of the buttons is used for power on reset and the other is user configurable. The five green LEDs are used for indicating that the board is powered, that the USB hub circuitry is powered, and that the remaining three LEDs are programmable via I2C (1) or GPIO (2). There is also a red over- or under-voltage LED that illuminates if anything other than 5 V is applied to the DC input. While the
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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 18 and 19: CHAPTER Meet the deck 1 INFORMATION
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
Page 34 and 35: Texas instruments devices 17 proces
Page 36 and 37: Texas instruments devices 19 FIGURE
Page 38 and 39: Texas instruments devices 21 The AD
Page 40 and 41: Texas instruments devices 23 WHY NO
Page 42 and 43: Texas instruments devices 25 FIGURE
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
Page 64 and 65: Chapter 3 Appendix: digging deeper
Page 72 and 73: CHAPTER Filling the toolbox 4 INFOR
Page 74 and 75: Adding a graphical environment 57 b
Page 76 and 77: Adding a graphical environment 59 W
Page 78 and 79: Adding a graphical environment 61 t
Page 80 and 81: 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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