this post was submitted on 06 Jan 2025
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[–] [email protected] 13 points 1 day ago

The largest QR code can hold up to 3 kb of data, which is more than enough to write a nasty virus in an injectable script if aimed at specific devices/apps. The main hurdle is breaking the app to execute the code instead of treating it as a string. It's the Drop Bobby Tables joke. Developers hopefully don't fall for this anymore.

Anyway. Making a shitty link and leading people there isn't a new idea. You don't even need a t-shirt. Hackers already place their own printed QR labels on top of otherwise real codes, and the user might not even notice, because they'll be redirected to the right site after the dirty deed is done dirt cheap.

[–] [email protected] 5 points 1 day ago* (last edited 1 day ago)
[–] LovableSidekick 69 points 2 days ago (4 children)

Does anybody configure their phone to automatically scan photos for QR codes and visit the links?

[–] [email protected] 2 points 1 day ago

My phone's camera app just doesn't scan qr codes. It's actually really frustrating. I refuse to install a specific qr scanner, but I'd still like the ability to scan a menu code at restaurants or to get the WiFi connection at a hotel....

[–] [email protected] 20 points 2 days ago (1 children)

I think as a precaution, barcode scanners stopped automatically going to links.

Even if a link isn't malicious, you can still get someone's IP address or device fingerprint.

[–] spongeborgcubepants 5 points 1 day ago

IP would not be an issue, your phone is behind cgnat when using a mobile connection

[–] [email protected] 22 points 2 days ago (1 children)

When my phone's barcode reader app sees a web link, it fetches the page's title to display next to the actual link. So it is going to that web server and fetching resources by itself. Even though it isn't actually rendering the page and running javascript, it might be exploitable.

[–] LovableSidekick 8 points 2 days ago (3 children)

But that's the barcode app - is it always running, looking for barcodes in all the photos you take? Because there are already shirt with giant barcodes on them - presumably just artistic with no meaning, but who knows?

[–] [email protected] 5 points 1 day ago

I have a shirt with a QR code that goes to a Rick roll. It doesn't work nearly as well as I'd hoped. Even people trying to scan it have a hard time, forget about anyone scanning it unknowingly. Mr. Astley did in fact let me down.

[–] [email protected] 6 points 2 days ago

My camera brings up the links/data in any QR code that's in the shot, I would have to fatfinger it and click the link (twice, because it asks you to confirm that you want to open the link) though

[–] [email protected] 8 points 2 days ago (1 children)

is it always running, looking for barcodes in all the photos you take?

Has Google's camera app added that yet? If not it's only a matter of time.

[–] [email protected] 2 points 2 days ago
[–] jaybone 6 points 2 days ago

I configure my phone to automatically follow the links from scammer texts.

[–] [email protected] 6 points 1 day ago (1 children)

Depending on what they plan to use the video for, a middle finger can be sufficient.

[–] jqubed 2 points 1 day ago

Having worked in TV news, I’ve long thought the way arrested politicians or whoever that are trying to avoid being filmed leaving a courthouse by holding a folder or coat in front of their face should instead just hold both middle fingers up right in front of their face. The image won’t be used, and if it is, it will make it very clear how they feel about the citizens.

[–] [email protected] 49 points 2 days ago (5 children)

Except if they were halfway intelligent they wouldn't have it go automatically to the site.

And when you do this and something goes really wrong criminal charges get laid.

[–] [email protected] 49 points 2 days ago (2 children)

I'm not sure if you could actually get criminal charges for this unless you were hosting the malware in which case that's another issue. It would essentially be the same as walking around with a website URL on your shirt. The observer is responsible for typing in the URL or scanning the code and what they decide to do on the website that follows.

[–] [email protected] 19 points 2 days ago (1 children)

There's the argument that you distrubuted it.

[–] ZoopZeZoop 3 points 1 day ago

Same argument for having it direct you to somewhere like meatspin. Can't be distributing porn to minors.

[–] [email protected] 2 points 1 day ago (1 children)

I tend to agree that this is how it should be, that doesn't mean that's how it is. If you walk around with a T-shirt that says "kill all CEOs" along with where to find them, you're going to run into some trouble, despite being a similar situation- you're just giving instructions, it's up to the viewer what to do with them.

[–] [email protected] 1 points 1 day ago

Except the shirt doesn't say "visit this site, there are cool things on it". If you're gonna make the comparison to CEOs then it would be like putting a CEOs address on your shirt.

[–] [email protected] 20 points 2 days ago (1 children)

Except that people are not halfway intelligent.

[–] [email protected] 4 points 2 days ago

Often the apps are from what I know. Most ones I've used don't open the link straight away

[–] [email protected] 6 points 2 days ago

I'm ok just targeting the ones that aren't halfway intelligent for now.

[–] HalfAHero 5 points 2 days ago (1 children)

Can we just get a website that plays a soundbite at full volume screaming about how they person is bad at privacy practices, maybe with Korn in the background for maximum embarrassment?

[–] [email protected] 1 points 1 day ago

Finally a good use for these music generator AIs

[–] [email protected] 3 points 2 days ago (1 children)

Criminal charges? It’s called the 1st amendment bro.

[–] [email protected] 6 points 2 days ago (1 children)

Not if it incites violence, causes harm or any of the other carve outs in the first amendment of the USA.

I am aware that the post is supposed to be funny, and you are most likely making a joke, but this is the internet and these sort of disclaimers tend to be necessary.

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[–] MutilationWave 2 points 1 day ago

So I thought I pulled a great prank once. I made a QR code that directed to lemonparty. I used an online sticker service's free trial to print a bunch up with my friend's Instagram at the bottom. I travel all over for work so I was going to put them everywhere.

My problem was I printed them in yellow and they wouldn't scan. I told my friend and he thought it was a funny idea just like I knew he would, not a malicious prank. Wish it had worked.

[–] [email protected] 31 points 2 days ago* (last edited 2 days ago) (3 children)

Why not just use this one?

[–] Iheartcheese 31 points 2 days ago (2 children)

I knew what it would be. I still grabbed my phone. I saw youtube. I still clicked it.

[–] rockSlayer 34 points 2 days ago (1 children)

At this point I do it just to feel something

[–] Iheartcheese 8 points 2 days ago

I feel...him

[–] [email protected] 10 points 2 days ago (2 children)

YouTube? Ok, I was going to guess goatse, but guessing not now.

[–] Iheartcheese 17 points 2 days ago (1 children)

Search your heart. You know what it is. You know.

[–] [email protected] 10 points 2 days ago (2 children)

It's not healthy that my mind goes right to goatse is it?

[–] [email protected] 8 points 2 days ago* (last edited 2 days ago)

If you immediately thought of goatse when imagining the results of a link prank it probably means you have some lingering trauma from using the internet when the last century was old or when this one was new, as many here do. If you immediately thought of goatse when someone asked you what your plans for your birthday are, that might be an issue.

[–] Iheartcheese 4 points 2 days ago

no. You are clinically fucked I would know my dad works at hospital.

[–] [email protected] 5 points 2 days ago (1 children)
[–] [email protected] 3 points 2 days ago (1 children)

Dang it, my streak was going well till this

[–] [email protected] 4 points 2 days ago

Don't let yourself down like that. Start a new streak.

[–] [email protected] 3 points 2 days ago

Dairy Queen, word for word.

I'll skip it :)

[–] [email protected] 16 points 2 days ago (1 children)
[–] Screen_Shatter 4 points 2 days ago

i ge en i ge en nu ge en nu ge en us sa tur ra lu ra ze em men...

[–] mEEGal 10 points 2 days ago (1 children)

here's an idea : let it redirect to a URL but with it's query params tweaked so it automatically attempts an SQL injection on the website when loading

[–] SkyezOpen 7 points 2 days ago

Outsourcing hacking? Not bad.

[–] [email protected] 5 points 2 days ago

Tragically they were beaten to death in broad daylight by police, but there was no surviving evidence.

[–] [email protected] 4 points 2 days ago

Sounds a bit Snowcrashy.

[–] [email protected] 1 points 2 days ago

@compostgoblin I am up for one of those.

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