Questions tagged [fingerprinting]
Gaining information about current version of an application or operating system in order to find a vulnerability.
145
questions
0
votes
0
answers
39
views
Which system variables are exposed from browser JavaScript context?
I know that the TZ variable aka TimeZone can be read by servers, especially with fingerprinting.
What are the exposed variables to browser's ?
- 101
1
vote
1
answer
117
views
Since yt-dlp simulates a browser, can it be fingerprinted in the same ways (e.g. canvas and audiocontext)?
I know that wget and curl can mitigate fingerprinting (aside from http header and user agent), but will yt-dlp give away more data?
- 11
0
votes
1
answer
243
views
How does reddit maintain visit history after clearing cache, cookies and de-fingerprinting?
Setup: I clear cache and history in firefox, then visit reddit.com in a private window and browse/read three very specific subreddits while NOT logged in. Then, I close that private window entirely ...
- 201
3
votes
1
answer
2k
views
Is there any secure way to make sure that a request comes from a browser and via a specific domain (by just using frontend)?
Let us assume that we have a public API, for example, company.com/publicEndpoint, that can accept requests from any source. Various websites, like foo.com and bar.com, use JavaScripts that call this ...
- 31
0
votes
1
answer
71
views
TLS Private Key Secured with Hardware Fingerprint
I worked for a company where our TLS Private Key was accidentally leaked to the Internet and it was a big mess. The strategy the security team came up for avoiding this in the future was "be more ...
- 125
1
vote
1
answer
104
views
How can websites fingerprint the company I work for?
During my work day, I came upon a website that had a popup that identified the company I work for(basically saying "contact us X company"). This website was never previously visited, cookies ...
- 11
1
vote
1
answer
396
views
How do you hide your browser advertising fingerprint?
How do you hide your browser finger print from advertising networks without disabling javascript?
Is there a browser extension that can help mask unique browser fingerprint? Browser finger print can ...
- 265
5
votes
1
answer
140
views
Possible to avoid device fingerprinting with imagemagick?
If I took a picture with my mobile phone and wanted to publish that photo without any artefacts connect to me, the first thing I would do is strip all of the image metadata with 'exiftool':
exiftool -...
- 201
0
votes
1
answer
303
views
DNS Enumeration by IP Address
I know all baseline steps to do DNS enumeration over a domain. But my questions is: how can I enumerate a server when I do not know which domain it is managing and I only have its IP address?
My ...
- 1
1
vote
1
answer
213
views
How to hide PC characteristics on the internet from tools like NMAP etc [closed]
Is there a way to disguise your PC characteristics from tools like NMAP and others on the internet? For instance if the OS you are using is Ubuntu is there a way to make it show up as something else. ...
- 589
1
vote
0
answers
174
views
GPU vs integrated graphics hardware, browser canvas fingerprinting, and multi- or dual-boot systems
My goal is to ensure that two operating systems installed side-by-side on the same device are unable to return the same canvas fingerprint, when a modern browser is allowed to run javascript without ...
- 1,071
0
votes
1
answer
1k
views
How to resist JA3 fingerprinting while browsing using common browsers (e.g. Firefox, Chrome, etc)
Background.
Context. I use Firefox, Google Chrome, or Chromium on Linux.
Question. How to have my browser resist the JA3 fingerprint, so that sites don't identify me by it?
Thoughts. I guess it may ...
- 142
0
votes
1
answer
453
views
Fingerprinting Cisco ASA Device
I have used Nessus to determine that a client's Cisco ASA is vulnerable to a Read-Only Path Traversal Vulnerability. So far I have tried viewing the logon portal page source code, nmap -sV -A <host&...
- 3
1
vote
1
answer
691
views
How could I know if a website is fingerprinting you via WebGL?
I would like to know if a website is fingerprinting me via WebGL,
first of all, knowing if the site is doing it
Knowing when they send the request to my browser
Knowing what value I am reporting to ...
- 111
-3
votes
2
answers
217
views
Number of biometric samples required to form an exhaustive set of fingerprint hashes?
Number of biometric samples required to form an exhaustive set of fingerprint hashes?
Slight variations in the sample produce different hash values of the sample data. The answer linked below ...
- 93
2
votes
3
answers
1k
views
Application to detect SSL certificate fingerprint differences
My project is to find out how to detect HTTPS interception/mitm and create some sort of application using detection techniques. One of the ways I was thinking of is a active desktop application to ...
- 452
0
votes
0
answers
62
views
How do I assure that a site that I visit does not know I have been there before? [duplicate]
If I use the same machine (my PC) but with a different IP address and a different browser that I have never used to visit a site, will that site still be able to identify me? I don't understand the ...
1
vote
2
answers
480
views
Can a fingerprint be reconstructed from a device that uses it for authentication?
I've noticed a lot of phones (not to mention, other devices) have built in fingerprint sensors these days.
Do these devices store information in such a way that your fingerprint could be reconstructed ...
- 201
0
votes
0
answers
315
views
Why does my IP being leaked with system-wide proxy through webTRC, but it doesn't happen when I use system-wide VPN
WebRTC manages to leak my IP when I use proxy, but when I use VPN it only shows VPN server's IP (both proxy and VPN were system-wide). What's the key difference? Google Chrome was used in both tests (...
0
votes
0
answers
569
views
How to prevent browser fingerprinting accoss VM's whilst remaining natural?
I am using a couple VM's fitted with proxies and find that browser fingerprinting across VM's causes me many issues. I also have issue with the browser created inside VM leaking that I am using VM. ...
1
vote
0
answers
84
views
Is mutually private protocol negotiation possible?
Say I have two peers that wish to engage in a protocol with multiple sub-protocols. Naturally, it is necessary for them to negotiate which sub-protocol they should use. But what if the peers wish to ...
- 11
1
vote
2
answers
188
views
Client Fingerprinting Resistant Protocols
It's well known that web clients are easy to fingerprint, and you can see that the same is true for other protocols like email and BitTorrent. This begs the question: which protocols aren't easy to ...
- 11
0
votes
0
answers
398
views
How can you fingerprint a Django web app?
In order to better protect my Django web app, I want to reduce the leakage of information that could help an attacker profile my application. If you were an attacker, what would you look at to ...
- 941
7
votes
2
answers
541
views
What impact does an installed extension have on the browser fingerprint (uniqueness)?
Motivation
I want to develop a custom, local Firefox extension and investigate, if its installation has any impact on the browser fingerprint.
Background
Some time (years?) ago, there were articles ...
- 173
1
vote
0
answers
331
views
Do emulator programs like Bluestacks, Memu, Genymotion use the real device settings of the computer you're connecting from?
Many online services use fingerprinting to track users - storing enough hardware and software details to create a unique record.
But what do emulators do? Can they make you completely anonymous on the ...
- 11
0
votes
1
answer
146
views
Tor Browser: Could a website or ISP detect modification to DOM done by users if Javascript is disabled?
I have Tor Browser (which is basically Firefox ESR) on "Safest" setting (Javascript disabled). We're generally scolded about using extensions in it, as they can alter web traffic patterns to ...
- 101
2
votes
1
answer
517
views
Is javascript fingerprinting becoming obsolete?
Okta recently sent out an email to admins about changes to their new device detection strategy. According to them:
Due to browser advancements in anonymous web browsing, JavaScript fingerprinting ...
- 1,343
4
votes
1
answer
788
views
Effect of Firefox's "Responsive Design Mode" on the browser's fingerprint
Today I switched ON the "Responsive Design Mode" under the "Web Developer" Section of the Firefox menu, and from the dropdown menu selected "iPhone X/XS iOS 12".
So now ...
- 275
1
vote
1
answer
253
views
Which approach is technically more effective to hinder user tracking - fingerprint generalization or randomization?
Tor's approach to countering fingerprinting is to make as many users "appear the same" as possible. Let us call this "generalization". While Brave tries to randomize all fingerprints of each and every ...
2
votes
2
answers
3k
views
nmap script "smb-os-discovery.nse" does not output information about the host OS?
I was following this Lynda course.
https://www.linkedin.com/learning/ethical-hacking-enumeration/enumerating-smb-from-linux-episode-1
The instructor used this script to detect the OS of the target ...
- 143
0
votes
2
answers
386
views
Can I bypass basic auth to fingerprint a web server with Httprint or netcat? [closed]
There is a web server I'd like to recon using httprint.
But that web server has a basic auth protection on 443. Port 80 is not responding.
When I launch httprint, it says Unspecified Error
The same ...
- 3
1
vote
2
answers
2k
views
How to configure a VM to protect all my hardware fingerprint from guest OS and softwares?
This question was originally Does Firefox in VM have a common enough fingerprint so I don't need tor browser? in Tor community.
I want to know about what a web browser's fingerprint like in a VM, ...
- 141
4
votes
0
answers
124
views
How can we protect encrypted files and directories from being fingerprinted when stored on online storage services?
Assuming that online storage providers are considered untrusted, if files and directories are encrypted, how can these be protected against fingerprinting?
The files are encrypted using rclone's ...
- 93
1
vote
1
answer
183
views
Why fingerprint a browser if a fingerprint can be replayed?
I'm facing an issue with rampant scraping and abuse on a website that costs me a good chunk of money to maintain. So, I have been looking to implement a few solutions, and apparently these solutions ...
user22260
0
votes
1
answer
188
views
Possible to detect tools like HTran from network analysis?
There is a publicly available tool called HTran which is widely used by criminal groups in cyberattacks to exfiltrate data. It simply relays traffic from one host to another, much like a proxy. It is ...
- 698
1
vote
3
answers
2k
views
How is browsing from a virtual machine/virtual box preventing fingerprinting or tracking?
Does it increase your internet security in terms of privacy/tracking/fingerprinting if you are surfing with your web browser in a virtual machine environment (virtual box + VPN) instead of surfing ...
- 483
3
votes
2
answers
539
views
Fingerprint FTP services without Banner message
I want to write a python script that is able to fingerprint ports on a server to identify the FTP client running on the port.
While there is often a Banner message upon connection, this message is ...
- 474
1
vote
0
answers
233
views
How do fingerprinting techniques involving Canvas and WebGL work?
Websites can fingerprint a web browser with techniques involving WebGL and HTML5 Canvas. The website like https://amiunique.org/fp shows an example of this. How exactly do these techniques work? I ...
- 283
2
votes
0
answers
110
views
Does photo fingerprinting (using metadata) allow to search all photos on internet made by the same user (privacy issue)?
Browser fingerprinting is well-known: since a client gives many HTTP attributes/Javascript attributes during a website visit, the probability that two users have the same exact values for all this ...
- 963
2
votes
1
answer
3k
views
How to change the browser canvas html hash for fingerprinting?
building on this previous post Can canvas hash be used to track me and ruin my anonymity?
I want to ask:
Is there any way a user can affect this canvas html hash generation, a way to make the hash ...
- 483
4
votes
1
answer
2k
views
Can canvas hash be used to track me and ruin my anonymity?
I have heard there is a fingerprinting method that traces internet users based on browser data. I believe it is called "canvas HTML hash".
This hash is unique, as I understand? Or does it ...
- 483
40
votes
5
answers
8k
views
Why do some web servers still provide information on vendor and version in the HTTP response headers
I think in the security field it is a well-known fact that its not a good idea to let the web server vendor (e.g. Apache) and the version be visible to the outside as this can be used to launch ...
- 549
0
votes
0
answers
718
views
How to fingerprint Windows 10 reliably?
Recently, I have been practicing penetration testing and I have come to a standstill when trying to fingerprint the OS for a Windows 10 target with nmap.
For the most part, I'm not able to identify ...
-2
votes
2
answers
1k
views
Antivirus and malware fingerprints
I´m a student in IT security and I would like to know how the malware fingerprints work in common AntiVirus.
I understand that when a malware is detected it's because the binary fingerprint is known ...
- 1
1
vote
3
answers
292
views
Do I have to do any setup if I want to run a VPN with the Tor browser bundle?
I know there will be some votes against this but I want to run a VPN alongside the Tor browser. Can I just open the VPN program, connect to the VPN provider, then open the Tor browser and use it as ...
- 165
0
votes
1
answer
160
views
Fingerprinting Windows Architecture from a file on remote system
This is a post following up with this one.
Similar situation as the above post - I'd like to know if there's a way to find out the architecture (x86 or x64) of a windows system from a file on a ...
- 873
1
vote
0
answers
161
views
Is perceptual hashing feasible to identify users [closed]
I have been shadow-banned on an app (Tinder) and I cannot get around it. I have been doing some background research into how they are able to identify me and have come across device fingerprinting (I ...
- 227
8
votes
1
answer
1k
views
Will two smartphones (identical hardware and software) generate the same canvas fingerprint?
When using Canvas Fingerprint (like on this website) to distinguish users, does two smartphones (same model, same OS version, and no browser/plugin customization) will share the same fingerprint?
2
votes
0
answers
444
views
How to defend against adblock detection/adblock subscription leaks?
Is there a best practice (or useful extension) for defending against adblock fingerprinting techniques? I'm not asking about how to bypass adblock detection as such, but rather how one might appear ...
- 21
1
vote
1
answer
507
views
How os fingerprinting works and how to prevent it in browser? [duplicate]
For privacy I always changed my useragent of browser regularly and it used to work. But lately changing useragent alone in browser dosen't prevent os fingerprinting. Tools like https://browserleaks....
- 569