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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Can a Logitech wireless headphone usb receiver be infected?

So I think they call them “dongles”? The usb wireless receiver that’s plugged into your computer? Can they get virus from a computer that has been infected? I imagine it’s no more vulnerable than say ...
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USB Flash Disk with Piracy Protection [closed]

I am designing a software that creates software distribution usb disk media. The Information Security Pillars; are achieved as follows: Confidentiality - By Encrypting the content. Only (SDC)software ...
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Are Thunderbolt-enabled computers without Thunderbolt ports vulnerable to Thunderspy?

Could these two attack scenarios exploit the recently publicized vulnerability? Using a Thunderbolt adapter like an USB-to-Thunderbolt adapter on a computer without any Thunderbolt port Temporarily ...
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Does the WP(Write Protect) pin of a USB flash memory controller prevent tampering with its firmware?

Does WP(Write Protect) pin of a USB flash memory controller prevent tampering with its firmware? I want to have an USB stick that I can make it read-only and insert it in any untrusted PC without ...
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Hide reverse shell window launched with HID attack

GOAL: the attacker insert into a victim's laptop an USB which act as a keyboard. The payload opens a terminal, executes a reverse shell and hides the terminal. PROBLEM: the tests I did locally (...
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Does this kind of USB “port knocking” exist?

For security reasons in public spaces administrators choose to disable the USB interfaces. Is there a possibility for having something like port knocking on disabled/sleeping USB interfaces? Port ...
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67 views

Why do people warn of putting unknown USBs in your device [duplicate]

People keep saying never put a random USB in your device because it could ruin it with a virus. Hackers are able to program USBs to automatically run a virus when it is put in a device. So I decided ...
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3answers
313 views

How to check if USB device isn't malicious?

Let's say I've got a generic, cheap mouse. It's a USB-device. Any USB-device may contain memory, so how to know if the manufacturer didn't embed any memory with malware software in a device? (on ...
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91 views

Mobile Hotspot, Smartphone or Router?

I am using a laptop with dual boot Windows and Ubuntu. In addition, I am having another Linux distro installed on a usb thumb drive and using it only for certain things. Generally speaking - if ...
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USB 3.0 write protection switch question

I bought a USB 3.0 flash drive with a write protection switch for use with a Linux live distribution. My question is, once the OS is installed and running, I tested it and I can still install programs ...
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138 views

USB device security in Windows

Am I really understanding things correctly if I claim that: If a USB stick/device is inserted into a PC running Windows, currently in "lock screen" mode (that is, somebody has pressed WinKey + L), it ...
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3answers
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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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1answer
96 views

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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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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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
146 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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2answers
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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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58 views

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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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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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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159 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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187 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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2answers
144 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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464 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
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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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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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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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907 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
177 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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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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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
255 views

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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169 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
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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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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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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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139 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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174 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 ...