Hidden Layers In PNGs

Mods look into it

It's a setup

Other urls found in this thread:

youtube.com/watch?v=1IfrNZfqGsQ
blog.brian.jp/python/png/2016/07/07/file-fun-with-pyhon.html
xnview.com/en/xnview/#downloads
twitter.com/NSFWRedditImage

Niggers are violent and have low I.Q.'s

it's ridiculous that Sup Forums does not strip the exif data from images nor obfuscates the original filename.

also, the use of recaptcha makes any posts damn trackable, desu

What.

>Not using desu desu when you talk
Just what kind of sicko are you?

all the pepe pics have secret layers of cp

don't get it tbqh

Can somebody explain what the fuck this is about?

>nor obfuscates the original filename
NO NOT MY MEMES

youtube.com/watch?v=1IfrNZfqGsQ

maybe

they're not "layers" they're ancillary chunks with proprietary header types that a normal image viewer will ignore. read the PNG specification.

Get out

I thought it did strip the exif apart from on /p/

PNG does not embed EXIF info. It allows, however, to embed metadata "chunks" inside the image. Some of the standardized chunks correspond to some EXIF attributes (physical dimensions, timestamp), and it's also possible to store arbitrary textual data as key=value pairs or to define new chunk types. So, you could in principle store any EXIF information... but in your own custom format. Some attempts to standarize have not caught up, it seems.

is this actually a thing?

for what purpose?

the only thing I can think is a set up to get people who are considered "troublesome" off this board

that or I guess bite them in the ass if they ever try to get into real world politics

but I can't imagine getting someone on cp charges when the image is intentionally misleading like that

Got any evidence? What's the scope supposedly? Just sounds like paranoia

>inb4 "meme magic" ends up being a brilliant psy-op to arrest most of Sup Forums's redpilled users

It would make sense that (((Milo))) would be the one to shill it the most.

> not saving your images on imgur then copying them into paint, placing a pixel dot somewhere then saving as jpeg

Lmaooo

>current year
>using gif

Protip : entrapment is a crime.

>if they are doing this they will goto prison.

> saving as jpg
> windows

thank you for sharing your exif data with us

I was thinking this, but if these is even real to begin with, then the intentions are shady either way, and I feel like they would try to frame it like you were hiding the cp in the image or something like that

inserting child pornography and hiding it in an image.

Will be approached as you downloaded CP.
HOWEVER you state they are the source of the CP and had secretly embedded it to incriminate you , This in itself is already a crime that they in the firstplace had child pornography and secondly are attempting to frame you for it.

>there are multiple crimes they are committing I certainly hope they try to arrest me because I can prove what they are doing.

>not to mention we know all the names of the engaged members.
>YES CTR has child pornography.

the eternal roleplayer

HOW DO THEY KNOW THERE IS CP HIDDEN IN THE IMAGE IF THEY DID NOT PLACE IT THERE THEMSELVES FROM THEIR COLLECTION

also many of the victims can be brought forth,

If you are charged with CP DEMAND the victim in this case come to indentify you are the perpurtrator, 9/10 they will mention celebrities and letter agency names and politicians.

t-true

you don't have to yell senpai~

I want this to be true, probably just some autistic roleplaying gaylord that got lost while on his way to /tg/.

you are naive as fuck

its a known tactic of criminals to try and put their crimes onto other people.

WE CAN PROVE PEDOWOOD EXISTS AND THEY EMBED IMAGES AND SEND THEM TO PEOPLE THEY WANT IMPRISONED.


They are in a really retarded position to be doing this all that will come of it is naming pedophiles photographers and filmers that havn't been named yet.

That or I deal with this shit all the time.

...

How do you find out if there's cp in a png on ur comp?

intelligence agencies employ entrapment techniques on the regular for decades. they're not a bunch of spocks.

...

abnormally large file sizes is pretty much the only way to know

You'd have to open every png, that is, if you want to keep some as png. Otherwise just purge them. But the information remains on the drive.

God help is for adopting ssd's also.

Some dude did a proof of concept on his blog.

blog.brian.jp/python/png/2016/07/07/file-fun-with-pyhon.html

There's no proof its happening here, but it can be done.

yeah and if you can prove it they can't do shit.

>infact you can make a bit of cash you need to pay bodyguards though.

>implying that isn't one of the .png's with CP hidden within

The majority of missing children in the USA are now sex slaves over in the middle east.

That pic has CP hidden in it.
Elliot Ness has been dispatched
to your residence.

You too.

This sounds like some bullshit to spook people from coming here
I know its possible, but give a fucking example.
What images were used? Pepes? Trump memes?

>if you can prove it

not all of us are Neo like you, pilgrim. in fact you're the 1%, what Sup Forums used to be. none of us have the capability to prove it so we're fucked if they want us to be

It's only 80kb.

There used to be threads on Sup Forums years ago with this shit. I seem to recall you could open the pngs in 7zip or something and extract stuff. I was under the impresson Sup Forums blocked such images starting from like 7 or 8 years ago, there are probably more sophisticated ways to achieve the same effect though.

>That pic has CP hidden in it.
>22kb

You can use photoshop or gimp to view image layers on a PNG file.

Good luck, I'm below sea level

there is an easy solution for paranoia. either ignore it, or if you are prone to it, have a batch tool convert all of your pngs to jpg's, clean those of all metadata and wipe the remaining pngs with max cycles. and if you are ultra paranoid, you can then convert those jpegs to any other format a second time and wipe the jpegs too. if you are ultra paranoid, that is.
some seem to be. but there is always a cure.

Yes thats another method

>mfw shillary drones are trying to get Sup Forumsygamists to nuke their propaganda and meme folders

> current year
> using a gif to reply to mock some one using a gif

what's your badge number, pilgrim?

And it's also a jpeg!

Just pull out your HD and torch it

Fixed

Images can be used as covert channels for information distribution. Any file can be - just open it up and edit using a hex editor.

This has been known for decades.

LMAO

How does it feel Sup Forums?

Scary isn't it

This.

Hidden archives got blocked years and years ago. What is this?

>scary

Please

What's interesting is the "why".

If you scare someone for them to do such, you know you're doing something right, so keep on doing it.

Only those with things to lose get scared.

If you have nothing, then you become a much more threatening individual.

I wouldn't worry too much about it YET

DO NOT OPEN THIS IMAGE

I opened it

Prison awaits you buddy

What if you convert the PNG into a JPG? Would that get rid of any hidden layers?

>FBI is on this board tricking newfags into downloading CP in encrypted pngs

y-you too

so does the fbi raid image have secret image, i need answers

I didn't open it, fuck you ;)

fbi, hopefully, is more concerned with actual pedos and actual cp hoarders, id like to imagine they are then wasting time letting them "be free", since they must be short on time

But since you uploaded it, wouldn't that mean it was on your computer?

in torrent world the uploader and seeders are guilty the most because they are the baddest

I'm using incognito mode, noone will know

delete system 32

>God help is for adopting ssd's also.

explain

can you not overwrite sectors with SSD's?

It's the computer of his wife's son.

>be fbi
>hide cp in images
>post them on a taiwanese pen fetishism board
>come to raid crazy Sup Forumsocks
>agents getting btfo all over
>have to explain why they were raiding people
>uh well we tricked them into downloading cp by secretly posting it on their image board
Comey might be a cunt, but the FBI isn't retarded.

Wtf are you nerds talking about ITT

ayyyy germany

Oh like that Pepe I downloaded and pulled into Photoshop to modify only to find 97 layers of isis bullshit hidden in it

fbi apparently layers .png files with cp, so when anons download a cool reaction pic or a hot girl pic or some cool pic the fbi raids your house a few hours/day later.

Only 97 layers? You are like a little baby

What if I'm using Mobile network.

FBI BTFO

I don't know what he's talking about. But with SSD's, because of TRIM, and because of how it works when you delete a file it's fucking gone. It's like with HDDs where it just deleted the "index" to the file and flags it as "empty" but doesn't overwrite it. It's gone.

There's really no way to to recover deleted data from an SSD. People will say shit like "LOL ELECTRON MICROSCOPES YO" or other crap but it's bullshit for various reasons. SSDs are essentially unrecoverable.

To properly format an SSD you need to give it a Secure Erase command, not just format the drive or attempt to zero it. Most manufacturers make a utility that can do this (among other things) but there are generic utilities that can do it also.

It's a retarded bait thread that's been posted regularly for the past couple of days. We're talking /x/ tier stupidity. The FBI doesn't give a fuck about any of us, they have better things to do.

>using mobile network
>fbi btfo
Never underestimate the boogeyman.

pretty sure that it's illegal for the FBI or any agency to use actual CP

Honeypots are non nude/barely legal teens

Also they would be looking for people with the intent to search for it and download/upload it en masse as opposed to being exposed to it in the most cryptic way possible.

they've been stroping exif for years

nothing, EBS isnt even in use anymore, if he would know such info, he would know its called EAS now

Party van on the way

1.58mb lel

>2016

>not just doing screen captures of .png files

Which is bullshit. You're not going to jail for downloading embedded images the FBI plants. Now, if you downloaded overt images you'd definitely get got and rightfully so.

It's not "entrapment" to embed CP in such a way that no one knows it's there and bust them. It's like walking up to someone, handing them a mcdonalds bag and saying "here's from free hamburgers" when there's CP printed (like they do on cakes) on the undersides of the buns and then busting them when they try to eat the hamburger. That's not entrapment, that's just fucking stupid.

>It's like with HDDs where it just deleted the "index" to the file and flags it as "empty" but doesn't overwrite it.

Forgot a word. It's NOT like that.

Did you open it?

XnView 2.36
xnview.com/en/xnview/#downloads

I know that XnView does batch converts and can wipe metadata.

So I'd have to open each and every one of these files to see if I have anything in them?

Nice stash of memes

No, it's not illegal. They just need good reason for it. For example, the FBI ran CP servers on TOR for several weeks -- literally disseminating and providing a platform to disseminate CP. Granted, they had taken over the server but the point is they didn't take it down immediately, they kept it running and added tracking code. They actually only apparently caught like 300 people out of tens of thousands.

I'm not sure how I feel about our government providing CP and then failing to even catch a large number of them. Feels wrong.