New PDF release: Abusing the Internet of Things: Blackouts, Freakouts, and

By Nitesh Dhanjani

ISBN-10: 1491902922

ISBN-13: 9781491902929

This ebook is a marvellous factor: an immense intervention within the coverage debate approximately details defense and a realistic textual content for individuals attempting to increase the situation.— Cory Doctorowauthor, co-editor of Boing Boing
A destiny with billions of attached "things" contains huge safety issues. This sensible publication explores how malicious attackers can abuse well known IoT-based units, together with instant LED lightbulbs, digital door locks, child displays, clever TVs, and attached cars.

If you’re a part of a crew growing functions for Internet-connected units, this advisor may also help you discover protection recommendations. You’ll not just how to discover vulnerabilities in present IoT units, but additionally achieve deeper perception into an attacker’s tactics.

• examine the layout, structure, and defense problems with instant lights systems
• know the way to breach digital door locks and their instant mechanisms
• study safeguard layout flaws in remote-controlled child monitors
• review the safety layout of a set of IoT-connected domestic products
• Scrutinize safeguard vulnerabilities in clever TVs
• discover examine into protection weaknesses in shrewdpermanent cars
• Delve into prototyping ideas that deal with safeguard in preliminary designs
• research believable assaults eventualities in line with how humans will most likely use IoT units

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Additional info for Abusing the Internet of Things: Blackouts, Freakouts, and Stakeouts

Sample text

Note that specific keycode values representing master keys are also stored in the locks. The hotel may decide to segment areas with different master keycodes so that only certain locks in the hotel can be opened with any given master keycard. The values are encrypted using the sitecode value, which is a unique 32-bit value randomly assigned by Onity to identify the hotel property. If this value is compromised, it can be abused to generate arbitrary magnetic cards to unlock doors and also to program the locks themselves (as discussed in following sections).

Master keycode in lock memory Master keycards can be created by reading the master keycode from the lock memory. This value, in addition to the sitecode that can also be read from memory, can be used to construct master keys. As stated previously, the hotel may choose to segment locks in different sections HOTEL DOOR LOCKS AND MAGNETIC STRIPES 41 of the venue with different master keys, so the master keycard can be limited to a particular section of the hotel real estate. However, this remains a severe issue, because a one-time creation of the master keycard can allow a potential intruder access to an entire section of the hotel.

Let’s imagine a proof-of-concept malware program written using the simple bash shell available on most Unix and Linux hosts. com/api/nupnp (see Figure 1-4) to obtain the IP address of the bridge. If no bridge is found using this URL, it just sleeps for 10 minutes and keeps trying until a bridge is located on the local network. \)$/:0\1/"` The script then computes the MD5 hash of each of the MAC addresses in the loop: bridge_username=( $(md5 -q -s $padded_m)) Now, the script uses curl to connect to the bridge and issue it a lights-off command using the calculated username: turn_it_off=($(curl --connect-timeout 5 -s -X PUT http://$bridge_ip/api/ $bridge_username/groups/0/action -d {\"on\":false} | grep success)) If the command succeeds, the script goes into another infinite loop and perpetually issues the lights-off command to the bridge: if [ -n "$turn_it_off" ]; then echo "SUCCESS!

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Abusing the Internet of Things: Blackouts, Freakouts, and Stakeouts by Nitesh Dhanjani


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