Hacking_and_Penetration_Testing_with_Low_Power_Devices

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Penetration testing with a single remote drone 145 There is a simple and elegant way to determine if the mon0 interface is available in Python, but it requires the Python netifaces module to be installed. If you want to add this check to your scripts, first, install this module by running sudo apt-get install python-netifaces. Then, add the following to the beginning of your wireless sniffing script (or any script using mon0 for that matter) in order to check that mon0 is available and create it if it is not: import netifaces, os interface_list ¼ netifaces.interfaces() if ’mon0’ not in interface_list: wifi_list ¼ filter(lambda x: ’wlan’ in x, interface_list) if len(wifi_list) > 0: # The following will fail if you need a password for sudo # or you are not running script as root os.system(“sudo airmon-ng start wifi_list[0]”) else: print “Could not find any wireless interfaces!” exit(0) Now that the target network has been identified, Scapy can be used for some further analysis. Another simple script can be used to monitor traffic for a short while and detect any attached clients. The monitor interface should be set to remain on the appropriate channel so that no packets are dropped unnecessarily. In order to ensure this is the case, execute the following two commands before running this script: sudo iwconfig wlan0 channel and sudo iwconfig mon0 channel . Note that in some cases, you may have to take an interface down before changing the channel using sudo ifconfig down and then bring it back up with sudo ifconfig up after the channel has been changed with iwconfig. The following script captures for a minute and also prints out attached clients in case we need to deauthenticate a client or two in order to capture handshakes: #!/usr/bin/env python # simple script to capture wireless packets with scapy # As presented in the book # Hacking and Penetration Testing With Low Power Devices # by Dr. Phil Polstra from scapy.all import * import optparse # create a list to store networks client_list ¼ [] pkt_list ¼ [] # define a function to be called with each received packet def packet_handler(pkt) :
146 CHAPTER 6 Input and output devices # is this a (802.11) packet, in particular a beacon frame if pkt.haslayer(Dot11) : pkt_list.append(pkt) # is this a client that I used to know? if pkt.addr2 not in client_list : client_list.append(pkt.addr2) print "Client: " + str(pkt.addr2) + " detected" def main() : # parse command line options parser ¼ optparse.OptionParser(’usage %prog -b -e\ ’) parser.add_option(’-b’, dest¼’bssid’, type¼’string’,\ help¼’target BSSID’) parser.add_option(’-e’, dest¼’essid’, type¼’string’,\ help¼’target ESSID’) (options, args) ¼ parser.parse_args() bssid ¼ options.bssid essid ¼ options.essid # if essid and bssid aren’t specified exit if (essid ¼¼ None ) j (bssid ¼¼ None): print parser.usage exit(0) print "Capturing traffic for ESSID:%s BSSID:%s" % (essid, bssid) sniff(iface¼"mon0", prn¼packet_handler, timeout¼60) pktcap ¼ PcapWriter(essid + ’.pcap’, append¼True, sync¼True) pktcap.write(pkt_list) pktcap.close() print "All done" exit(0) if __name__ ¼¼ ’__main__’ : main() The results of running this simple Python script are shown in Figure 6.13. A couple of quick notes on the script: First of all, it is not perfect and I am only using one of the addresses to identify new unique clients. I am also capturing all the wireless traffic including repetitive beacon frames. This is done to ensure the script doesn’t get bogged down in the packet_handler method. As with the previous script, the test for the presence of mon0 could be added to the start of this script if desired. This script uses the PcapWriter utility included with Scapy in order to create a packet capture file for later analysis. The optparse module is also used to parse command line options, BSSID and ESSID in our case. Both of these new features demonstrate the utility of searching for Python modules before writing your own. There are lots of Python users out there, and chances are good that someone else has already implemented something for most anything you might want to do.
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Hacking and Penetration Testing wit
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Hacking and Penetration Testing wit
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Dedicated to my favorite wife, my f
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Contents Foreword..................
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Contents ix Network Hubs and Switch
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Foreword So I will start out this f
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Author Biography Dr. Philip Polstra
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Acknowledgments First and foremost,
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CHAPTER Meet the deck 1 INFORMATION
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The deck 3 FIGURE 1.1 Collection of
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The deck 5 FIGURE 1.4 Fern WiFi Cra
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The deck 7 MODES OF OPERATION One o
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The deck 9 stores data only on a lo
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Summary 11 I knew that The Deck, wh
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CHAPTER Meet the beagles 2 INFORMAT
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Texas instruments devices 15 FIGURE
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Texas instruments devices 17 proces
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Texas instruments devices 21 The AD
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Texas instruments devices 23 WHY NO
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CHAPTER Installing a base operating
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Introduction 29 FIGURE 3.2 QNX smar
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Introduction 31 FIGURE 3.4 Android
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Introduction 33 (http://openembedde
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Introduction 35 FIGURE 3.6 Arch Lin
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Introduction 37 Sabayon In the phys
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Introduction 39 Table 3.7 Fedora Pe
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Introduction 41 tar xJf debian*.xz
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Ubuntu options 43 supportive commun
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Creating a microSD Card 45 Device t
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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
Page 112 and 113: Power requirements 95 the city and
Page 114 and 115: Power sources 97 WALL POWER When it
Page 116 and 117: Power sources 99 Thanks to commonly
Page 118 and 119: Power sources 101 Table 5.2 Duracel
Page 120 and 121: Reducing power consumption 103 REDU
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Page 138 and 139: Summary 121 site. In-depth testing
Page 140 and 141: CHAPTER Input and output devices 6
Page 142 and 143: Display options 125 FIGURE 6.1 LCD7
Page 144 and 145: IEEE 802.11 wireless 127 The Alfa A
Page 146 and 147: BeagleBone capes 129 FIGURE 6.4 UAR
Page 148 and 149: BeagleBone capes 131 pull-up resist
Page 150 and 151: BeagleBone capes 133 FIGURE 6.7 XBe
Page 152 and 153: BeagleBone capes 135 Newly created
Page 154 and 155: BeagleBone capes 137 Table 6.1 Cape
Page 156 and 157: BeagleBone capes 139 If you don’t
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Page 170 and 171: Summary 153 if "done" in status.ite
Page 172 and 173: CHAPTER Building an army of devices
Page 174 and 175: Using IEEE 802.15.4 networking 157
Page 176 and 177: Configuring IEEE 802.15.4 modems 15
Page 184 and 185: Remote control the easy way 167 FIG
Page 186 and 187: Remote control via python 169 seria
Page 188 and 189: Remote control via python 171 impor
Page 190 and 191: Remote control via python 173 elif
Page 192 and 193: Remote control via python 175 dnum
Page 194 and 195: Remote control via python 177 rc_na
Page 196 and 197: Remote control via python 179 The M
Page 198 and 199: Remote control via python 181 } [ "
Page 200 and 201: Remote control via python 183 Merel
Page 202 and 203: Saving power 185 on the modem. The
Page 204 and 205: Adding security 187 a different cha
Page 206 and 207: 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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