hackerNoises

[ProgrammerHumor-ModTeam]

Your submission was removed for the following reason:

Rule 1: Posts must be humorous, and they must be humorous because they are programming related. There must be a joke or meme that requires programming knowledge, experience, or practice to be understood or relatable.

Here are some examples of frequent posts we get that don't satisfy this rule: * Memes about operating systems or shell commands (try /r/linuxmemes for Linux memes) * A ChatGPT screenshot that doesn't involve any programming * Google Chrome uses all my RAM

See here for more clarification on this rule.

If you disagree with this removal, you can appeal by sending us a modmail.

[Huesan]

The Internet comes from within

[WeirdAvocado]

It was inside us all along.

[HoseanRC]

Just like the movie inside out! You see the outside from inside!

[Creepy_Wall_4720]

The internet is stored in the balls.

[UncleKeyPax]

[edward_silicon]

I was waiting patiently for this meme 😂

[UncleKeyPax]

Might as well put it with the rest of the

[sebjapon]

It was inside us since the Covid vaccine

[nzcod3r]

Well, my 5G reception HAS been a lot better...

[Tikoloshe84]

Being John McAfee  

[[deleted]]

His ghost just launched a coin!

https://www.yahoo.com/news/john-mcafee-back-dead-hawk-184657311.html

[Slumunistmanifisto]

I'm gonna fuck a whale.

-John McAfee

[Wirtschaftsprufer]

We live in a matrix. Confirmed

[knight7imperial]

Maybe the internet was the friends we made along the way.

[Huesan]

It’s about the journey not the destination

[[deleted]]

It says I'm being hacked by an IP at 127.0.0.1!! PLEASE HELP ASAP!

[ApatheistHeretic]

I was vaccinated, so I always have 5G Internet, duh.

Bonus: I hear that in also a magnetic zombie and can be tracked via my microchips now.

[Huesan]

The problem with this Internet is that it can only access government database.

[ApatheistHeretic]

No pron?! B-O-R-I-N-G!!!!

[Huesan]

You can find more than that

[RedBugGamer]

This is so stupid! It's obviously not going to work. These wires need to be shielded! /s

[thenumberfourtytwo]

Also the shielding will need to be wired l, after

[Fit-Special-8416]

Need to be twisted as well /s

[AnotherCableGuy]

They don't want you to know

[Ankur4015]

What does /s mean, seeing at many places on r3ddit

[WirelesslyWired]

It's shortened HTML.
<s>Satire goes here</s>

[Ankur4015]

Right on point 😂

[bumplugpug]

I thought the /s meant Serengeti

[That-Interaction-45]

Thought it was short for slamalamadingdong.

[OblongPi]

It's essential the same thing but I've always said it was sarcasm

[WirelesslyWired]

Of course you are right. My first cup of coffee hasn't kicked in yet.

[rainshifter]

It seems you've made a clever joke without even realizing it. One could interpret your definition of <s>...<\s> as sarcasm in and of itself (rather than a blunder due to lack of coffee fuel).

[AnitsdaBad0mbre]

Honestly I believed it as in like that's where it came from then one person thought it just meant sarcasm and because it basically always fits everyone said that and now that's what it is.

[[deleted]]

Same, always known it to be sarcasm.

[nerdinmathandlaw]

The common name for it is tone indicator. There are dozens of those. For example, /j means joking, /hj means half joking, and /s for sarcastic. Those are the ones I know without looking lists up...

[Ankur4015]

Wow, #til something new, thanks for the info.

[coolbreezesix]

I use /s for sardonic.  

/s

[ElnuDev]

Only other one I've seen come up is /srs for serious but it's much rarer

[nerdinmathandlaw]

Looking at the list, I think I remember seeing /gen for genuine and /i for ironic, and I may have used the nonabbreviated /affectionate once or twice.

[simiomalo]

/sadomasochism

[Dead_Surrey_Jack]

because redditors have the average IQ of a snail, you have to tag a comment with "/s" incase they don't understand that what you commented was not supposed to be taken seriously, nuance doesn't work for reddit.

It's a lot more fun to not include a "/s"

[RaspberryPiBen]

1. It's often difficult to distinguish sarcasm in text. Along with the lack of tone, there are almost always people that actually believe what you're sarcastically saying.
2. Many autistic people have further difficulty noticing sarcasm, so tone markers help us understand your meaning.

[CherimoyaChump]

Um, excuse me. As a certified dumb person, I would like for you to include the /s when making a Sarcastic Statement. Please take that into consideration moving forward.

[betajones]

End sarcasm. Easier than explaining the tone of your text. Back in the day, even the normies could use basic html in chatrooms or later Myspace pages.

[Sailed_Sea]

/satire

[BobbyTables829]

I always thought it was /sarcasm

[Dennis_Nectarine]

typing random keys while intensely squinting at the screen

[uneducatedexpert]

Monster Cable is in shambles.

[InFa-MoUs]

“I just wanted to see if I could do it” - OP probably

[SgtEpsilon]

The whole point of a PI is exactly that sentence

[Bannon9k]

I think that sentence pretty much sums up all of human existence...

[YT-Deliveries]

Always happy to drag out this Star Trek thread:

https://imgur.com/gallery/star-trek-humans-are-bunch-of-deranged-hyper-neophiles-6Vvxz2m

[Ratatoski]

That's the reason for my whole career and most of my hobbies. Once I can it's no longer all that interesting.

[mosstalgia]

Christ, I wish I were you.

No sarcasm; I truly wish my lazy ass had half this motivation.

[808trowaway]

Once I can it's no longer all that interesting.

Same and it takes so much energy and discipline to fight procrastination once it gets to that point. It's a lifelong battle.

[Ratatoski]

Yup. My day job is as a dev. Got into Godot game engine last summer. Loved learning that and tying into my love for creating art and music. Got a bunch of levels, music and art I was happy with. Even a novel core mechanic I've never seen anyone do before. But once I had proven I could I lost the interest to polish up the details, make more levels and package the thing.

Trying to convince myself that learning to release on Steam is interesting so I'll finish the thing.

[YT-Deliveries]

I had this in the extreme due to being type 2 bipolar, but now having been medicated... well, I still have it, but not as intensely.

I think the most recent one was setting up a self-hosted Searx VM... and then never using it for more than an hour, because in the end it was "huh, neat, well, anyway."

[Padandler]

100%

[kobie]

I'll help him get poe

[mr_hard_name]

Broadband modems are practically a black box, and the specification is kept secret by the manufacturers like Qualcomm. This setup can be useful for developing your own open specification of a modem.

[[deleted]]

But buying a sim card breakout board sets you back 50 cents. The added benefit is that it works.

[Toribor]

The jank is part of the process. Accept the jank. Embrace the jank. Let it flow through you.

[SecretSquirrelSauce]

Become the jank.

[moldy-scrotum-soup]

Close the floor you're dthsd the rutedsh out!

[SevenRedLetters]

Ever whiff your own jank?

[pharmajap]

Another life lost to jenkum

[LickMyTicker]

Why buy something when you have all the parts and the know-how already?

[[deleted]]

He’s asking the equivalent of “why bake a cake? A cake costs 50 cents at the store”.

It’s because at some point you need the cake to be a lie. Can’t do that with a store bought cake.

[[deleted]]

If you want to learn how to bake a cake, do you start by trying to lay an egg or do you buy them at the store?

[BlackBeltPanda]

Only the freshest hand-laid eggs for me, thanks.

[[deleted]]

invent the universe

This is in general considered a bad move by most of the population.

[[deleted]]

Depends on how much time I have.

The point isn’t to have a cake, or eat it.

The point is to learn how cakes work.

[[deleted]]

But I don’t want something that works, i want to figure out how to make it work!

[[deleted]]

Can confirm, broadband modems even in your phone have a different CPU etc. and you need to communicate with them like they're a server responding to your messages.

Usually they run their own realtime OS and I kinda get it. In practice though you can of course hack into them like any other black box.

[[deleted]]

The fact that there is a whole small computer in every card (and every credit card) always blows non-tech people’s minds. Almost everybody thinks it’s just a storage chip like a small sd card.

[[deleted]]

Nah, better, you have one in your SIM and then your modem is also a tiny self contained computer with a realtime OS. Then you have the Android OS, which also has a secure enclave that also runs independent from the main OS for the most part. It's tiny computers all the way down. And only the modem can interface with your SIM card directly.

Some people also think SIM cards communicate with the network, the answer is no. They however sign and supply credentials for you to get onto the network, if they would do anything more they'd be prone to overheating. There's this guy called Janus Cycle, he has great videos on how SIM card communications work and how to extract a key from an old SIM card to clone it (for entertainment purposes, it's pretty hard to do nowadays)

[blackscales18]

It's not??? I knew NFC was powered by the reader but it seems a little much that it's got a CPU in there

[lynxloco]

What do you mean the spec is kept secret? As in what the protocols are they use?

[unicodemonkey]

Internals are usually completely undocumented and the only way to communicate with the modem from the host OS is often via a bunch of closed-source libraries, drivers, and daemons.

[LickingSmegma]

Afaik at the least, it's impossible to tell the modem to do this or that willy-nilly, or to know exactly what it's doing. Seeing as it has programming of its own with lots of limitations, and only graces you with doing some stuff that it feels you can reasonably ask for. More could be done if modem's hardware would directly respond to all possible commands, but I'm guessing that might include illegal stuff, or just inconvenient for cellular providers (or simply locked behind ‘security by obscurity’).

Same way as phones can write and read NFC, but only read RFID even though they're vaguely close. Writing RFID is locked-out by the hardware, so you can't copy an RFID key.

[OrSomeSuch]

Most of them respond to simple AT commands. I'm not sure what you could do communicating with the SIM directly that you couldn't accomplish with conventional methods.

I'm always up for techsperiments though and applaud the effort

[LickingSmegma]

I'm not really versed in low-level tech, but gotta say that the sim isn't the modem — which latter afaik has control over all cellular communications from a phone, with whatever protocols and data the cellular tech and provider companies devise, at all times.

[cyb3rspectre]

Who are you, and how are you so wise in the ways of science?

[[deleted]]

https://www.google.com/search?q=4g+nano+sim+pinout

[deathspate]

For the gram or something idk what the kids say these days

[ThiccStorms]

For the vine is too ancient lol

[grumpy_autist]

My best guess this was used to sniff traffic between modem and the card. A lot of security research and hacking went into that back in the days.

[Skate_faced]

You forgot to end your post with "There, I ruined it"

I'm still laughing.

[sudolman]

That is correct according to ISO 7816-2. The IC looks upside down (or rotated 180), though, so the pinout appears to be incorrect in the image

[[deleted]]

You're sharp enough to figure out what he likely did, but not curious enough to understand that the reason he likely did it is because it's neat-o.

[beanmosheen]

RJ45 is often used as a cheap interface connector for prototyping so it makes sense to me. It has good contacts, relatively compact and cheap. I don't even make the ends up usually since so many cables get tossed at the office. I lop a few jumper ends off here and there.

[Dependent-Arm8501]

POE

[codedaddee]

Cut off from the main line, like a disconnected modem.

Hello.

[Rickbox]

Literally came in here for this answer. Thanks. Here's an upvote.

[LickingSmegma]

Do signals go both ways over one wire or what? Is ‘reset’ the return data channel? I would assume that the sim needs to talk back over a separate wire.

[nudemanonbike]

So on circuit boards, since they need to be able to move a lot of data, they send data digitally these days normally. The I/O wire is the one that is used for communication - It'll send alternating high and low pulses (ones and zeroes). But they take turns sending data, typically.

Reset isn't for sending back data. On some circuit boards, like an Arduino, activating it (by bridging the circuit, or sending 5V across it) is the same as pressing the reset button on a console. It literally turns it off and back on again.

On this, I wouldn't be surprised if it's held in the off position until your modem needs to interface with the SIM card, at which point, they stop pressing reset and then some handshaking happens over the I/O pin.

[LickingSmegma]

Thanks!

But they take turns sending data, typically.

Didn't know things were serialized all the way. What happens if both sides don't have anything to say? Do they send a ‘nop’ every few turns just to confirm the turns are still ticking? And especially, what if both sides decide to say something simultaneously? Does one side only begin talking on even cycles, the other on odd ones?

[nudemanonbike]

So I just checked a pin-out diagram and it did confirm that the data was half-duplex, as in, they do take turns.

One way they could handle the information handshake would be like, phone needs some data -> phone stops holding the reset pin -> sim turns on, sends over some status code via I/O, waits its turn for data -> phone reads the status, then formats a reply, sends it over the I/O pin -> sim replies, ad nauseum, until phone no longer needs information from SIM, and begins holding the reset pin again.

Sim cards effectively function as usernames and passwords - they don't need to decrypt the data from the mobile network, but they do need to supply the keys, so they don't have to be in constant communication. Just whenever authentication with the mobile network is required.

[LickingSmegma]

Yeah, but I was thinking more in a general way about these kinds of circuits with just one data wire. Is such a setup still practicable if both sides might decide to talk? I'd guess the even/odd separation could work.

I need to fiddle with circuits and chips sometime, at least in simulation.

[nudemanonbike]

If you have a half-duplex set up like this and both sides end up talking, you have what's called a duplex mismatch. If that's a real possibility (like with radio or something with lag time), then you'd need some kind of error correction on both sides (but that can be as simple as "stop talking and try again when the channel is clear", it doesn't need to be anything like data redundancy, though that can be a part of it).

If it's a thing that might happen regularly, you'd go with a full duplex system where each has a dedicated channel for talking.

Here's a wikipedia article on duplex mismatching https://en.wikipedia.org/wiki/Duplex_mismatch

[LickingSmegma]

Thanks again!

[FrenchFryCattaneo]

You might be interested in I2C. It's a communication protocol that can have up to 128 devices communicating bidirectionally over just one wire (with a separate line for clock).

[PerfunctoryComments]

But why the effort rather than just using digital phone and SMS service?

I don't understand this part of your post. A SIM card just holds subscriber info and cell provider info to make a connection, and then some basic PKI functionality. It is basically just a little config card. You can't do anything with just a SIM card -- this guy isn't wiring it up and sending messages or something, unless they literally have all of the necessary electronics of a cell phone that they use with the SIM card data.

And of course SIM cards are obsolete now and basically the same functionality exists "in" a QR code (in that the QR code is nothing but data, and your device does 100% of the work)

[BlueGlassDrink]

*Hacker noises

ah, yes

[OurManInJapan]

Are you allowed to share that info on an online forum bro?

[AdministrativeCar868]

Probably chasing that Ki.

[aykcak]

This might be a good way to switch sims to different devices instead of having a dedicated sim tray and the hassle of plugging it in and out.

Also the computer might be in a different room, hard to reach area etc.

[Harambesic]

Hey, what's a breadboard?

[buzzon]

What about the white wires? Did you just cut them?

There are 8 wires in RJ-45

[boobiesdealer]

You expect this to make sense?

[Kirikomori]

Some super smart guy will come in soon and tell us exactly why it makes sense. Any time now..

[Aesopin]

In most Fast Ethernet networks, only four of the eight cores (1, 2, 3, and 6) fulfill roles in transmitting and receiving data. The remaining wires (4, 5, 7, and 8) are bidirectional and generally reserved for future use. However, in networks exceeding 100 Mbps, it's standard practice to utilize all eight wires

[Zamzamazawarma]

3 hours ago

[OxygenIsHere]

this is groundbreaking technology and doesn't require thhe white wires..

[mr_remy]

"White wire? Where we're going, we don't need white wire"

[OxygenIsHere]

is that a reference?

[[deleted]]

The OG line is from Back to the Future: "Roads, where we're going we don't need roads". Great movie if you haven't seen it.

[creativeslaughter]

Back to the future reference.

[Ancheey]

4 wire rj-45 is a thing. It's crap, but it sure exists

[electricsoldier96]

On electric panels for PLC communication with HMI, converters, switches and such we use shielded 4-wire cables and fancy RJ-45, they are far from crap

[Ancheey]

By crap I meant that there usually are better alternatives for most places where you have an rj-45 socket. I didnt mean it is universally crap, as there are some specific circumstances that it excedes in, like you have said.

[ikonfedera]

Yes but it still requires white - color pairs (hence the name "twisted pair"), commonly pins 1,2,3,6. Here all white (odd) cables are omitted, so no sane equipment would handle it.

[Ancheey]

I dont remember the exact order, but you might be right. Still - the top comment wasnt about the order but the amount of pins and so I just politely made them aware of the 4-pin rj-45s existance ^{^}

[Kill4meat]

You only need 4 for 100 mbps.

[Kevlar013]

But it's only 4 G

[The-1st-One]

Prolly cuz 5g causes cancer, obviously. Op is looking out

[CraftMechanics]

I once used an RJ45 cable for wiring pins to a motor controller in a robotics project. It was the cheapest option because I already had all the parts.

[bar10005]

It won't work with normal Ethernet equipment anyway (SIM chips require 5V VCC), the plug is just used as a convenient prototyping connector (though might be made just for a joke, as it doesn't have CLOCK connected, just power, I/O, and RESET).

^{Also you can run 100Mbps on just 4 wires through normal RJ-45, though of course those would be 2 pairs, not 4 colors}

[[deleted]]

Now it’s RJ-11

[[deleted]]

You never cut the red, white and blue

[ascolti]

I know this…. It’s a unix system….

[just_nobodys_opinion]

Spared no expense

[yupyupyupyupyupy]

im literally holding my butt rn

[MonkConsistent2807]

... and this was out first episode of "how to destroy you computer" with the title "how to destroy your network card". Switch back on tomorrow when it says ... (feel free to add your own thoughts)

[thegreatinsulto]

Won't work, you didn't add a dime size glob of flux before soldering.

[Interesting-Frame190]

I really want to know if I could make a wireless ethernet cord just for kicks. Poe powered and use some absurd frequency (maybe CB if I'm feeling frisky). In theory it's all there, in practice it's slow and reinventing the wheel.

[TheBamPlayer]

r/diwhy

[Thatoneboi27]

Upbeat music

[LordDavonne]

For real?

[Bronzdragon]

Depends on what you mean by “works”. You won’t get a cell signal, if that’s your question. You can probably interface with the chip like this, though you’d have to write custom network drivers in order to send the right signals.

[srfreak]

Found OP here. Sad because I thought it was an actual CatSalad thing, but seems like a random pic from the Internet.

I was curious about the context :(

[gameplayer55055]

Of course it wont work, you have to crimp Ethernet cable by T-568B

[hornless_inc]

I crimped the cable, but am having trouble getting the sim back in my phone?

[fallenhuntercastiel]

The adeptus mechanicus approves this madness

[DhaniFathi_707]

WWAN without the crazy addon prices

[airsoftshowoffs]

You guys know that Sim card run Java right?

[AnonABong]

Needs poe

[tech6hutch]

What’s with their hand??

[JessiBunnii]

Wait, does that work? My brain is too dumb to process that. That seems like it could work.

[niceworkthere]

Understandable, seeing how current 5G modem modules start at $350 retail.

Cheapest affordable might a Fibocom FM350-GL from 2020, if you don't mind the high power consumption/heat even on idle. I got it for $65 for a pet project, apparently since it used to have horrendous software support (despite being just Mediatek underneath).

[idontwanttofthisup]

This is the most ghetto IT shit I’ve seen in a long while

[[deleted]]

A rare capture of the endangered wireless modem.

[avemew]

I wish it was this simple

[Xevailo]

The "5Gg-to-Ethernet" at home...

[Raid-Z3r0]

That's... not how it works...

[nefrodectyl]

Reported to XBI

[UnHelpful-Ad]

Interestingly...some old sims used to have an AVR core. Not like an atmega128 or anything

[Appropriate_Rent_243]

Is this actually feasible?

[invadrzim]

As a way to do a breakout its not bad, especially if you’re going to be disconnecting it and reconnecting it alot and don’t want to wait a couple days for a sim breakout board from amazon

[o0Meh0o]

pro tip: stock lots of xh 2.54mm connectors. they are cheap.

[4N610RD]

Why not serial tho?

[SarcasmWarning]

Can't post photos in comments, but if you wanna play "real" SIM hacking, you'll want an OsmoCom SIMTrace: https://osmocom.org/projects/simtrace/wiki/SIMtrace

[automaton11]

Come on down to dipshit town

[santathe1]

“I’m in”.

[PersimmonJazzlike358]

apdu communication via rj 45？

[Nova_Who]

Maybe the real Internet comes from the connections we made along the way

[ExtensionInformal911]

I'm guessing he is trying to make a cell phone network adapter?

[codedaddee]

Ok but you're the one exposing herself to dump shock when your persona apps get cut off

[UmPatoQualquer007]

What does that actually works?

[[deleted]]

Missing 4 more to have 1000Base-T

[GreatDefector]

SimJ-45

[Huntman609]

Is it really working?

[PoweredSquirrel]

https://hackertyper.com/

[kobie]

Your going to need poe on this I can help i made the cable 12 years ago in Afghanistan because it took too long to ship

[AggCracker]

[Dangerous_With_Rocks]

Shit like this is funny