Abusing the Internet of Things

The Idiot Box—Attacking “Smart” Televisions The glass slabs are everywhere, and they seem to want to obnoxiously and rudely isol ...

of valuable time that could be spent in more productive pursuits, or perhaps furthering pater- nal and maternal bonds. We can al ...

becomes cheaper, the feature sets of Smart TVs will be available to the masses in the coming years. It is likely that the next i ...

The Samsung LExxB650 Series Mulliner and Michéle’s research focuses on the Samsung LExxB650 series (Figure 5-1) of Smart TVs, ev ...

Samsung uses BusyBox, which combines tiny versions of many common Linux utilities into a single executable. The BusyBox system i ...

TIP camera attached to the TV or stealing any credentials that may be stored on the TV). The goal of the research was to test an ...

11:19:10 CACHE.BMP -> read completed! 11:19:10 TOCTTOU.BMP (490734b) [/TOCTTOU] 11:19:10 TOCTTOU.BMP -> read completed! 11 ...

TV. The problem is then that even though the malicious image M contains the clmeta.dat file with category of Game, it is not rer ...

for a password, an attacker can use this method to log in to the TV (using a Telnet client) with no password and directly obtain ...

1 XOR 1 is 0 1 XOR 0 is 1 0 XOR 1 is 1 0 XOR 0 is 0 Let us write a simple C program to XOR a string cat with the key KEY: #inclu ...

00101000 -------- The result is 00101000 in binary, which is the decimal 40, whose ASCII value is (. This explains why the progr ...

I call it Encraption Samsung allows users to download firmware that can be placed on a USB stick and connected to its Smart TVs ...

$ strings T-CHE7AUSC/image/exe.img.enc ct-KLG7CUQC, KHM7@USCT-CHE7AUz'r ausct dect CHE7AUSCT-CHE7AUSCT-CHE7AUSCT-CHE7AUSCT-CHE7A ...

Samsung made the mistake of using a small key without understanding that the image file being encrypted contained a lot of null ...

TIP Operation successfully completed. Now you can flash your TV with ./T-CHL7DEUC directory. Notice that the SamyGO.py tool decr ...

words, or in some cases weak passwords (such as SamyGO). Not only can a sophisticated user place malware on a TV she has physica ...

-rw-rw-r-- 1 apple apple 192794916 Apr 29 2013 exe.img.sec -rw-rw-r-- 1 apple apple 132 Apr 29 2013 exe.img.sec.cmac -rw-rw-r-- ...

Decrypting AES... Decrypting with XOR Key : T-ECPDEUC Crypto package found, using fast XOR engine. Calculated CRC : 0x109B6984 C ...

To start with, let us take a look at the freshly decrypted image files to see how Samsung designed its their platform, which is ...

/media/exe.img/Runtime/bin: total 7228 drwxr-xr-x 2 root root 103 Apr 28 2013. drwxr-xr-x 9 root root 152 Apr 28 2013 .. -rwxr-x ...