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Questions tagged [usb]

an industry standard used for connecting to and powering peripheral devices (keyboards, mice, cameras, printers, external hard drives, etc) from a computer or other USB capable device.

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45 views

Secure USB (unique identifier)

There is a requirement for an unattended, publicly-accessible machine that I have to only allow company-approved USB devices (e.g., USB mass storage, keyboard, mouse, Bluetooth, etc.,) and block all ...
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Where are the drivers stored on usb receivers? [closed]

I am wondering where the firmware / driver is stored on these devices? If it cannot be used as a storage device, how could it possibly store any firmware for itself? How could I access these "files"? ...
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How to analyze a USB device of having possibly malicious capabilities?

So I recently ordered a chinese external USB card and I would like to find out whether it has some hidden functionality, which might become malicious. It has buttons integrated in it so Linux using ...
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Standards restricting bluetooth/usb access?

AFAIK in most OSes an app is given access to USB and Bluetooth and it's fairly blanket access. I believe maybe iOS now has per app Bluetooth access controls but if you give an app bluetooth access it ...
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Is there a safe way to use external display with USB Type-C laptops?

Somewhat related to Is malware or screen capture possible with iMac as external display?, where we investigate the possibility of a DMA attack through DisplayPort, nowadays, many machines don't even ...
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What are the main attack vectors on USB storage drives on Windows 10?

I am trying to understand what generic risks are there in using my thumb drive to transfer files to some untrusted machine and plugging it back to my Windows device. Specifically I am interested in ...
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How do I know a USB Bluetooth Adapter is safe to use? [duplicate]

I've found several extremely cheap USB Bluetooth options and, while the reviews say they work, I am skeptical of them because they are so cheap/have no name brand recognition. Here is the main one I ...
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1answer
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Thunderbolt to HDMI connector freezes macbook, potential security risks? Time for a clean install? [closed]

I recently used a Thunderbolt to HDMI connector (ADAM 4K2K) casually given by a colleague who then left the country, misguidedly thinking "oh, it's a display adapter, not a USB, so it probably isn't ...
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1answer
183 views

How do viruses transfer via USB?

I have had an encounter with the paint virus and I noticed it infects OS files in order to target .exe files(it changes an original .exe file to a hidden OS file and renames with a 'v' before the ...
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6answers
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Can a stolen Android phone with USB debugging enabled have screen lock bypassed?

My Android (8.0) phone was pickpocketed from me yesterday. It was immediately turned off by the thief and when I tried to locate it using Find My Device it shows as offline. As a programmer and a ...
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2answers
136 views

Risk of letting a complete stranger charge his smartphone on your laptop's USB port [duplicate]

How risky is to let someone connect a smartphone for charging it? Could someone intentionally or unintentionally contaminate a fully updated and patched Windows 10 or Ubuntu laptop?
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Preventing boot from USB on Dell Inspiron 5559

So what I am looking for is a way to prevent anyone from booting from a USB drive on this specific Dell Inspiron 5559. so normally what I would have to do is to set an Admin password in BIOS that ...
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Can I use a text editor to detect keystroke injection?

Let's say for instance I have some USB devices I suspect of being programmed for to execute keystroke injection. If I were to load a live OS and switch it to runlevel 1, then logged into an ...
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What credentials does this hardware device steal?

I was reading about this device the author made, however he did not specify WHAT he was able to steal from a locked computer. What credentials does this steal? https://room362.com/post/2016/snagging-...
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How far can a malicious USB device get you on a server?

If the device is plugged in when the user is already logged in, then of course the device can just pretend to be a keyboard, open a terminal, and run a compromising command. (shortcuts for terminals ...
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2answers
141 views

Deactivate Linux Shell to prevent “blind” login on router

Today I analyzed my home router. I connected a keyboard to the router's USB port, which is usually used for mass storage devices. However, I pressed the key combination to reboot a Linux system from ...
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1answer
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How can I check for a virus and malware on a USB drive using Ubuntu? [closed]

If I plug in a USB drive in to an Ubuntu (18) machine, is it possible to get a virus? How can I see if a (Windows, Mac or other) virus is on it? How can I format it to remove any virus?
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How to prevent USB Block Policy to be circumvented?

I know that I can disable USB devices using group policy for the computers of my company. What I want to achieve is allow users to use the USB port only for charging their phones, connect their mouse ...
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98 views

USB read only permission and antivirus

We would like to block write permissions to USB drives. We will allow user read-only permissions to the USB drive. By doing that, do we still allow the Antivirus to scan the USB drive and delete, if ...
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1answer
87 views

How to make USB drive read only and write by a password or key or certificate?

I am trying to distribute a software, a simple exe file, that can be executed directly from an USB drive. I would like to make that USB drive read only to avoid any malware infection and accidental ...
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112 views

Are there tangible recommendations for USB drives to be disabled?

I am currently discussing / considering the possibility to disable access to USB drives (USB storage) on Windows machines. There are technical means to do this and I am trying to balance arguments ...
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1answer
373 views

Requiring hardware key at boot-up on normal laptop

I am sure that a question like this already exists and has probably been answered. I just couldn't find any results (probably due to my inability to word my question correctly). We use laptops at ...
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4answers
240 views

Is it safe to plug my own USB drive into unknown pc?

Is it widely known that in the opposite way (an unknown USB to safe pc) it could be really dangerous. But I can't find any info if is it dangerous to put a drive to other pc. Case: I have my USB ...
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1answer
160 views

Consequences of trusting a PC from my iPhone

I just trusted my work PC (Windows 10) from my iPhone. I connected the phone via USB to charge it. I didn't open my iPhone 6 files from the PC. I didn't view any pictures and I unplugged it pretty ...
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Recovering data on unallocated space from FAT16 USB drive

I'm actually trying to make my hand around forensic and information security as a whole. To do this, I'm trying to make a lot of CTFs. The last one I got to do is puzzling me, 1st because I have no ...
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How to safely wipe a USB flash drive [duplicate]

I want to wipe all residual data left behind even after a format on a regular 64GB fash drive, the ones someone can scan and recover data. What's the most efficient but quickest way to do this? Any ...
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Is it too late to encrypt my already used USB drive?

I've had my USB for quite a while now. It contains quite a lot of personal information on it. (I know, I'm stupid for not encrypting it before hand). Is it too late to encrypt my drive even if files ...
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279 views

Does connecting an android device via usb to a PC pose a risk if charging is selected?

If an android device has some something malicious on it that can also target/affect PCs. And that device is connected to a PC via USB, by default it automatically chooses to start charging. Is there ...
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598 views

Bluetooth vs USB Mouse Security

I had a question regarding the use of Wireless mice and security. In general which method of using a wireless mouse is considered more secure, using a mouse with a USB dongle, or using a mouse that ...
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1answer
169 views

Are there any known viruses/malware that can infect Ubuntu that come from the USB?

I know that most viruses that can infect the OS from having an infected USB inserted into the PC are mostly Windows only, but is there any possibility that there is one that can affect Ubuntu as well?
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1answer
367 views

How to mitigate the new malicious USB cable USBHarpoon (NOT BadUSB) threat in an enterprise? [duplicate]

In this case, the victims may think they are using a generic USB cable, but the PC will recognize the cable as a Human Interface Device, much like it would a mouse or keyboard, giving the attacker ...
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165 views

Need to make a USB device look like a keyboard

My company is implementing "BitLocker to Go" encryption to encrypt USB flash drives. However we us Barco USB wireless presentation devices. Each time one is plugged in, Bitlocker wants to encrypt it (...
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4answers
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Can a wifi usb adapter double as a keylogger?

I've read that there are keylogger hardware and thought that usb wifi adapter are hardwares and wondered if they can be hacked to work as a keylogger. I'm just worried that my usb wifi adapter might ...
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2answers
154 views

Watching movie from a potentially infected device

I went on holiday with a friend. He filmed and made a movie from our trip. He put the movie on my usb key. I was about to plug this, but realised my friend does not have good security practices, so ...
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8answers
10k views

Force user to remove USB token

I'm looking at setting up secure laptops using BitLocker with pre-boot PIN and startup key. I'm wondering if there is a way to force the user, who is remote, to remove the USB with the startup key ...
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2answers
264 views

risk from USB-C port on locked laptop

If an attacker has access to the USB-C port on my laptop which is in powered on but at the lock screen, what is the risk that they are able to carry out an evil maid attack? Say I'm in the room but ...
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How to prevent threats from usb on Linux? [duplicate]

OS: archlinux I'm thinking of logging into a restricted user with mount permissions and examine behavior of the usb. But what if usb has injected hardware that would inject code directly when I ...
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1answer
142 views

USB Mouse in the meeting room

In our meeting rooms we have at our disposal the necessary material for presentations. HDMI, and mouse etc., lock down to the table (3 digit lock). All the mouse have been removed for security ...
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1answer
120 views

Persistent Bootable USB with Write Protection?

I am developing a series of extraction scripts (currently python 2.7) for a university project - these tools will be provided on a bootable USB for use by first responders when encountering a suspect ...
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1answer
108 views

What considerations are there for using USB WiFI adapters and how to protect against them?

Often with older machines, the built-in WiFi adapters have failed. These in turn drive a demand to procure USB WiFi adapters since ethernet connectivity is not a choice. Since the devices will be ...
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1answer
231 views

Detecting USB-based(Arduino Leonardo) attacks

Can a USB-based atack, e.g., BadUSB, RubberyDucky be detected by observing the output from dmesg? I bought a brand new DFRobot Beetle, which is essentialy a miniaturized Leonardo. A few seconds after ...
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1answer
150 views

Can a USB with an infected MBR or GPT harm an OS that reads it?

Assume a USB drive has an MBR or GPT that has malware in it. I already understand that booting from such a USB device would execute the malware as part of the bootloader. If I understand correctly, if ...
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2answers
153 views

Boot from live usb to avoid being spied on

Suppose the government wants to spy on you using government-designed malware. If you then want to visit sensitive pages on the internet, would it be more secure to use Tor browser within a USB - live ...
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2answers
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Malware spreading via installation media

Imagine user downloads and burns installation USB stick on their compromised Linux system. Are there any known malware that is capable of spreading via Linux distributions installation media so that ...
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1answer
362 views

How can I safely use potentially infected USB sticks from a previous OS installation?

So I recently upgraded an old MB Pro to Mojave because I was concerned I could've infected it. Now I'm probably overreacting to all of this but since I was using all of my USB sticks in the previous ...
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Is it possible that a usb drive manufactured 3 months ago can have data copied to it that shows the file last modified date before manufacturing date? [closed]

I have some data that needs to be handed to a friend. I don't want to give the original drive (drive-1), so I plan to purchase a drive (drive-copy) and copy data to it. The data copied will still show ...
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2answers
639 views

How we can prevent innocent looking USBNinja (USBHarpoon) attacks?

Is there anything we can do across the company to make sure USBNinja and other similar USB cables that looks so real for users can really be mitigated?
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1answer
124 views

How to prevent a virus from stealing data when I transfer files between offline and online computers?

Let's say I have one offline computer with some important data, and one online computer. Sometimes I need to move files from the offline computer to the online one. When I transfer those files, is ...
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1answer
108 views

Reading SD cards on a GPO blocked USB [closed]

Our company has a GPO which blocks USB mass storage devices. The GPO permits Media Transfer Protocol (MTP) connections. Some SD card-based camera devices don't support MTP so they are blocked as they ...
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2answers
2k views

Can infection effect a phone through it's wireless hotspot, also the usb tethering

If I made a wireless hotspot from my phone and had computers infected with malware connect and use my wireless connection of the phone can any malware from the pc get into the phone? If my phone was ...