Hacking_and_Penetration_Testing_with_Low_Power_Devices

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Introduction 35 FIGURE 3.6 Arch Linux running on the BeagleBone Black. filesystem of at least 64 MB. The second partition should be formatted as ext4 and contain a root filesystem. The second installation step is to create filesystems on the microSD card partitions using mkfs. Third, bootloader and root filesystem images are downloaded from archlinuxarm.org. Fourth, the images are untarred onto the microSD card. If your system is small enough to fit into the eMMC of the Beagle- Board or BeagleBone Black, it may be reinstalled to eMMC after booting from microSD. This is not an option for our penetration testing systems with a root filesystem, which is larger than 6 GB. A screenshot of Arch Linux running on a BeagleBone Black is shown in Figure 3.6. Gentoo Gentoo is a powerful and highly customizable Linux distribution. One distinctive feature of Gentoo is that nearly everything is built from source. This provides a high level of customization with potential for substantial performance improvements. Building from source allows all the features of a specific CPU to be used to their fullest. By leaving out support for unneeded features, executables can be made smaller. Smaller executables load quicker and consume less memory. Gentoo’s attributes are summarized in Table 3.3. Installing Gentoo is a highly educational and often frustrating task. If you have some experience with Linux and want to learn more about it, I highly recommend you install Gentoo at least once, even if you do so on some old unused hardware. Gentoo is normally installed in stages. First, a very basic system is installed. Second, standard build tools are installed. In addition to compilers and make, Gentoo uses a powerful package management tool called Portage. Third, Portage is used to install
36 CHAPTER 3 Installing a base operating system Table 3.3 Gentoo Linux Performance Package manager Desktop application repository support Hacking application repository support Community support Configuration Comments Excellent—everything is custom compiled Portage Good—better on desktop version Good—better on desktop version Good Somewhat different from other popular distributions but fairly easy By default, everything is built from source, which can yield excellent performance, but package installation tends to be time-consuming the many packages that comprise a full Gentoo system. If a package is in the repositories, it is easily built using Portage by issuing the command emerge . Things get a bit more interesting if a package is not available from the Gentoo repositories. The process for installing Gentoo on a Beagle is different from the desktop installation. For starters, you need a desktop Gentoo system with a microSD reader before you can install Gentoo on a Beagle. The desktop Gentoo computer is used to create a microSD card with Gentoo on it for the Beagle. Details of the installation process can be found at http://dev.gentoo.org/armin76/arm/beagleboneblack/install.xml. As with the desktop edition, installing Gentoo is a bit more involved than most other Linux variants. First, required building tools must be emerged. Second, a cross compiler must be built. Third, a copy of the U-boot bootloader (complete with patches) must be downloaded and built. Fourth, a kernel must be downloaded (including firmware), configured, and built. Fifth, the microSD card must be formatted. Thankfully, a script is provided for this task. Sixth, a basic root filesystem must be downloaded and transferred to the microSD card. Seventh, a Portage snapshot must be downloaded and copied to the root filesystem on the microSD card. Eighth, a number of items (root password, networking, filesystems, hostname, system services, etc.) must be configured. Ninth, the kernel and U-boot must be transferred to the microSD card. Finally, the Beagle can be booted from the microSD media and further packages may be emerged. Building a Gentoo system can take several days. The reward for this extra effort is a finely tuned system. You might also be entitled to some bragging rights among the local techie population. Most common desktop applications can be found in the Gentoo repositories. Other distributions provide better support for penetration testing applications, however. Building applications can be a time-consuming process. For these reasons, Gentoo might not end up as our first chose as a base for our penetration testing Linux distribution.
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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 32 and 33: Texas instruments devices 15 FIGURE
Page 34 and 35: Texas instruments devices 17 proces
Page 38 and 39: Texas instruments devices 21 The AD
Page 40 and 41: Texas instruments devices 23 WHY NO
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 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
Page 82 and 83: Adding tools the easy way 65 check_
Page 84 and 85: Adding tools the easy way 67 echo -
Page 86 and 87: Adding tools the hard way 69 # chec
Page 88 and 89: Adding tools the hard way 71 descri
Page 90 and 91: 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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