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Bluetooth-Hack ermöglicht Malware-Angriffe – So schützt Du Dein Handy. bluetooth-hack. Auch wenn Du Kopfhörer, Lautsprecher und mehr. Mit Bluetooth kann man Geräte ohne Kabelsalat miteinander verbinden. So bringt ihr etwa Musik vom Smartphone in den Kopfhörer, ohne dass. Bluetooth-Handy vor Hacker-Angriffen sichern. Keine Chance für Kriminelle. Smartphone vor Bluetooth-Angriffen schützen. | t-online. Mit Super Bluetooth Hack kannst du Dateien auf einem über Bluetooth verbundenen Android-Smartphone sehen und bearbeiten. Um Super Bluetooth Hack zu. Milliarden betroffen: Hacker kommen über Bluetooth auf Ihr Handy Sicherheitslücke Bluetooth: Wer auf seinem Smartphone die Funktechnik.
Auf älteren Smartphones kann es nämlich zu einem Bluetooth Hack erwähnten Handys verfügt, nutzt ihr Bluetooth und seid potentiell von. Mit Super Bluetooth Hack kannst du Dateien auf einem über Bluetooth verbundenen Android-Smartphone sehen und bearbeiten. Um Super Bluetooth Hack zu. Bluetooth. Mit der Bluetooth-Funktion können Angreifer Kontrolle über das Smartphone gewinnen. Daher ist es sinnvoll, die Verbindung zu.
Dongles in this class are not a great choice for sniffing, unless you are using Wireshark to sniff from the dongle while you are using a tool to do probing with the same dongle.
Basic promiscuous sniffing capabilities with these dongles is usually nonexistent. Figure 3. Sena UD with included stubby antenna. While it comes with a small antenna, opting for some of the accessories like a dipole and a patch antenna can greatly extend the range of the device - for example, the patch antenna can increase the range up to a kilometer.
Again, pay attention to expected drivers on Windows, and on Linux there should be no issue. Figure 4. This dipole antenna on the UD gives it a range of about half a kilometer line of sight.
The big pluses with this setup is that even the larger antenna when detached fits neatly in a bag and substantially increases the range. For both scanning and probing, this is a rock star.
However, the biggest minus is that it is hardly stealthy. Entire presentations have been done around Ubertooth , and while it has its strengths, it also has limitations.
When it works, it works decently and will help get you data that is generally fairly hard to get otherwise.
But getting to that point is rather difficult. Expect dropped packets and a lot of restarts of whatever Bluetooth activity you are trying to capture, because getting a complete picture of what is happening Bluetooth-wise will take some patience - especially if you try sniffing.
As we talked about earlier, Bluetooth operates by hopping through frequencies within a specific range, or spectrum. Being that it is programmable is definitely a plus, and all of the software utilities - including firmware - are open-source.
You can hook up a more powerful dipole antenna and get better range out of it in a field setting, but frankly, the Ubertooth performs best in a controlled lab environment.
The Nordic Semiconductor nRFDK device is a pretty good Bluetooth transmitter and receiver, with the sniffing abilities working better than expected.
Like the Ubertooth, it is programmable, but the out-of-the-box firmware is fine for most quick hacker work, including sniffing. The range is limited, but the quality is high.
Nordic Semiconductor supplies a lot of the chips and hardware solutions in IoT, so they tend to make inexpensive hardware to help developers test their creations.
Figure 5. This thing was made for serious developers and hackers alike. While the Ubertooth might have a slight advantage as far as distance goes, this is a great USB device for the lab.
Due to the amount of designers and developers building IoT devices and writing IoT software for the various chipsets that Nordic Semiconductor makes, the community support for this device is rapidly growing.
Figure 6. Why do these high-end tools cost so much? Because they work so well. The high-end machines work differently, by simply grabbing the entire Bluetooth spectrum at once, capturing everything.
Specialized software is used to help control the device and read the captured data, and typically only runs on Windows.
These devices are built for lab work, but one could easily add beefier antennas, and, as long as they can meet the power requirements, this could be considered an excellent field device as well some high-end models are even marketed that way - built for both lab and field.
For the Linux hacker, it is all about the command line interface CLI. There are plenty of CLI tools for Bluetooth and many of them provide useful information, although not all of them provide output in any consistent manner.
Here are a number of tools commonly used by researchers there are others, this is a sampling of the more popular ones used in Labs, check their main pages or run them with the -?
Just be prepared for multiple tries and some patience, and when completed, you will have a nice pcap-formatted output file to analyze. While doing field work, you sometimes wonder if you should even bother getting out your laptop and setting up your dongles.
Sometimes it helps to have a quick way to look at the traffic, and it is even better if it returns useful information - saving you time with what to focus on once you get the laptop out.
There are a number of free applications for your phone that will help with this. Some of the free apps have mixed results, but a basic guideline for choosing one is to select them by the developer.
There are a number of companies that sell tools for building various applications or IoT devices or both that write decent free Bluetooth apps for testing from your phone.
These are usually fairly high quality because they are intended to complement your development process while using their purchased products.
Figure 7. From the above, you can see it is useful in finding unusual items. This was captured mid-flight during a business trip. Figure 8. Excellent app with decent logging capabilities.
Most of the hardware and even some of the software comes with Wireshark plugins compile and install all of them. While there are too many to name and plan for, there are some general rules to keep in mind.
Read the documentation, but note the date. If the instructions are old and refer to an old version of Wireshark, it is possible that the plugin comes included with the newer version of Wireshark.
Most plugins will compile without incident with a newer version of Wireshark. In fact, most will compile with the Wireshark development package for your Linux version, for example, wireshark-dev on Ubuntu.
The purpose of the plugins is simply to interpret the raw Bluetooth packets inside the Wireshark app into something a little more readable, and since there are multiple protocols involved with Bluetooth, it helps to make some sense out of what is going on.
There are often a couple of different ways to sniff Bluetooth - directly within Wireshark and with one of the command line tools itself. For example, Ubertooth includes the aforementioned ubertooth-btle, which allows capturing of Bluetooth traffic and saving the data in pcap format that Wireshark can read and interpret with the appropriate plugins.
And you can use more than one Bluetooth source during sniffing within Wireshark. If you are using one dongle to probe a device and another trying to flood it at the same time, you can see the results from both in the same sniffer session.
And it helps when testing how one dongle or CLI performs against the other. This also involves simply documenting what the device does during various stages.
For example, can more than one device pair to it? For example, many phones have a smart lock feature.
So, if you wear Bluetooth headphones, your phone remains unlocked as long as you have them on. While this is convenient, it makes you vulnerable to hacking.
It locks your computer when your phone goes out of Bluetooth range. And even then, Dynamic Lock is sometimes sluggish. There are other devices designed to lock or unlock automatically.
Clearly, there are real risks with Bluetooth. In general, for a hacker to be successful, he has to be within feet of you for a Class 1 Bluetooth device or 30 feet for Class 2.
Bluejacking a device taking control to send messages to other nearby Bluetooth devices , Bluesnarfing accessing or stealing data on a Bluetooth device , and Bluebugging taking total control of a Bluetooth device all require different exploits and skillsets.
There are far easier ways to accomplish the same things. First and foremost, disable smart lock features on your phone and PC. And only use devices that have authentication for pairing.
If you purchase a device that requires no passcode—or the passcode is —return it for a more secure product. That just adds another attack vector that hackers could use.
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