Questions tagged [steganography]
A puzzle that requires finding hidden data in various media forms, such as text or images.
491
questions
6
votes
1answer
302 views
Find the secret in this image
Try to find the secret hidden inside this image.
Discovering one part of the secret may lead you to the starting point of another part. And so on.
It may look like an endless loop ...
... or is it?
...
20
votes
1answer
607 views
PSE Advent Calendar 2021 (Day 21): How the Grinch Trolled Quizmas
This puzzle is part of the Puzzling StackExchange Advent Calendar 2021. The accepted answer to this question will be awarded a bounty worth 50 reputation.< Previous Door
Next Door >
Some of the ...
15
votes
1answer
925 views
Inscrutable IQ Tests
I'm stuck on some of these IQ tests and I'd really appreciate some help deciphering them.
Can you extract the message?
1
vote
0answers
113 views
steganography riddle [closed]
I have this image of Lena in BMP format, which consist a secret message:
And I got this hint for this riddle:
My initial thought was going over the image row by row and get the LSB of pixels in ...
5
votes
1answer
1k views
4
votes
1answer
720 views
3
votes
1answer
116 views
Letterpress Printing
A bed of 5x13 movable slugs cast typesetting was composed for printing a part of publication on the daily paper. But someone mess up with the locks and shuffled the message by swapping two rows then ...
2
votes
0answers
298 views
Here's the song, now tell me the title!
You ever have it happen where you know how a song goes, but you forget its title? I've heard you guys are good at figuring stuff out for free, so I'll just drop some notes here
and let you guys do ...
6
votes
1answer
686 views
The teacher's favorite animal
A student asked our teacher about her favorite type of dog during a distance learning meeting. She uploaded the image shown below, said it's our homework to figure that out, and left the call.
What's ...
4
votes
1answer
306 views
My zodiac sign is: [REDACTED]
The answer is my zodiac sign.
κπτυχ |
εηδμθ |
βαγδι |
γδεζθ |
αβγδε+1 |
βθ40pε |
δεζφλ
The answer to this is a sun, but that sun is inside the my constellation's zodiac sign.
-2
votes
1answer
211 views
Get a expensive donut for 75% off! [closed]
You are going to a donut store, which donuts are more than 500 dollars. The most fancy one is the Donut Dedeluxe, which cost 5000 dollars.
Luckily, they have a 75% off which is now 1,250. But, you ...
1
vote
1answer
134 views
How can connecting marks in a text to form a picture be used as part of a puzzle?
Recently I rewatched "A Beautiful Mind" based on the life of the American mathematician John Nash.
And the other day I came across a book spread photograph, in which one attentive reader ...
3
votes
1answer
189 views
3 mysterious emails
I got this from a neighbor, but I don't know why.
The emails are separated into 2-3 parts.
Here are the emails:
Title: RO KED BYA LAOUT Y
Body:
JRU. ESMY YP JSMH PIY PM YJR NRSVJ? YJSY EPI;F GIM.
PJ, ...
1
vote
3answers
543 views
RIP Puzzling! (#2)
Last puzzle: RIP Puzzling! (#1)
So, you turn off dark mode, and things seem normal at first, but then you see a message at the bottom in red that looked something like this...
Hahaaaha! What are you ...
-8
votes
3answers
179 views
The story of a blind girl
Here is a story of the blind girl. I suggest you read fully and then answer the question.
This happened when I was in Elementary School. I
was on my way home from school when I was stopped by a
a ...
13
votes
4answers
558 views
Who murdered His Majesty the King?
Furious, the chief officer of London's police force stood in the foyer of the late Majesty's mansion, trying to compose himself. Sitting before him were the three suspects, Toby and Ned (whom he'd ...
13
votes
3answers
452 views
Density™ 3 - The Game!
The last Density™ puzzle (here: Density™ finally back from holiday!) proved that OP plays too many games, so we went ahead and created a game of our own!
If you'd like to create your own Density™ ...
0
votes
1answer
295 views
Another Zodiac Killer Puzzle
This is a multi-part puzzle concerning the Zodiac Killer "Pines" card sent to the San Francisco Chronicle on March 22, 1971. I will ask it as a series of questions and hints, as I think it's ...
14
votes
1answer
432 views
Currency connections
Two Forex traders are trying to communicate about their trades.
They send each other images with a hidden meaning like this one:
Can you work out which currencies they are trading?
Hint:
3
votes
1answer
224 views
What is the Present?
My (fictional) riddle-loving friend comes up to me and says, "Hey, bro, I gave you a present. "
"Um, is this a puzzle?", you ask.
"Yes.... it's going to be a riddle", he ...
19
votes
2answers
668 views
Density™ finally back from holiday!
Welcome back to the Density™ series! I had intended to make these more often, but then... well... 2020 happened. Anyway, I finally got round to creating the second puzzle, and perhaps it may hint at ...
15
votes
2answers
407 views
Anarchists corrupted my barcode!
Somebody corrupted my QR Code.
Can you tell me who did this and when it happened?
Hint:
5
votes
1answer
330 views
Another weird word search? What is this cat burglar up to?
Remember our favorite cat burglar from last time? Yeah, they’re back. This time, they left this not-so-standard word search puzzle behind. I found this in the newspaper and wanted to share it with ...
12
votes
1answer
398 views
A weird sort of word search -- cat burglar?
THE INFAMOUS CAT BURGLAR STRIKES AGAIN
READ ALL ABOUT IT IN TONIGHT'S EDITION OF THE NEW YORK TIMES
Yesterday evening at 7 PM, local police received reports of a burglar in an apartment building. Upon ...
8
votes
1answer
314 views
Hero Wars RPG - The Sudoku!
In the popular online action RPG game Hero Wars, the player has to solve some simple but fun puzzles to win loot such as weapons and cash – assuming the incessant ads I’ve seen on Facebook are all ...
12
votes
1answer
1k views
What should I do with these emails?
I've been sent a bunch of very odd emails recently, starting on Monday and sent daily until last Thursday. I'm not 100% sure what they mean or why I am being sent them, but perhaps you could help me.
...
5
votes
1answer
164 views
A curious email
You are a secret agent who is undercover at the Kremlin. You receive a cryptic email (presumably from your boss) who was supposed to give you the code name of the agent who would be picking you up ...
21
votes
1answer
549 views
Disarray and Organization: a virtual mosaic puzzle
I created this mosaic, which references a country I like to visit in my spare time.
What country is that?
8
votes
2answers
361 views
Trapped and gassed!
“Ouch!” I moaned as I slowly regained consciousness. Someone had knocked me out cold from behind. I now found myself alone, trapped in a small square room. The floor was hard and cold, and the room ...
12
votes
1answer
456 views
A hue with a view
An optimistic perception of this image might help you decipher this thing that just won't wait. The answer might depend on what kind of glasses you decide to look through or which pill you take (...
6
votes
1answer
176 views
Audio Steganography
A simple question, without a simple answer.
Rome would be the obvious answer, but it is not THE answer.
A picture contains a 1000 words, this audio contains one.
https://youtu.be/HiH4_A0xq40
If you ...
12
votes
1answer
318 views
A treasure hunt at your local fair!
(Note that due to the nature of this puzzle, it's inaccessible to folks who are using screen readers. Sorry about that!)
You're at a local fair with your friend Kayleigh in the good old US of A, and ...
9
votes
1answer
463 views
Sequence Puzzle - First Question of 42
Professor Tera was walking on Connecticut Road, where there are some public restrooms.
Tera saw some students standing in a row. They seemed to be playing a game called Evolution.
And it looked like ...
4
votes
1answer
231 views
Great Caesar's ghost, I smell Bacon
This should be relatively simple for you guys. Spaces and punctuation do not count towards the answer.
It's a quote from a character in a TV Show, but that has nothing to do with what the answer is.
...
7
votes
1answer
199 views
Your friend emails you a passage:
I received an email from your friend:
From: JK123@fmail.com
To: hehehaha@fmail.com
Title: A passage
Body:
Today, i went to the pharmacy. I asked the staff, "How much is
a bottle of alcohol? I ...
21
votes
5answers
923 views
What is missing from my aunt's inheritance?
A few days ago my aunt passed away and left her inheritance. I feel like something is missing but I don't know what, she left this music score instead:
I can't read the musical notation: can you help ...
6
votes
3answers
508 views
I bet u can not find the word/phrase hidden in this post!
there Is a word/phrase Nefariously inserted into this question/post.
Can you find it?
i do indeed hope this puzzle will fasinate you Or at least Retain your interest for a while!
i Really enjoyed ...
28
votes
2answers
797 views
Tribute to Clifford Possum Tjapaltjarri
The background text that follows is in this case not part of the puzzle, nor fictitious. The puzzle, which is self-contained, consists entirely of the image below; I have composed it as a genuine (...
6
votes
0answers
282 views
Truly unexpected thingy in a Radcliffe novel!
Ann Radcliffe was an English author in the Gothic style at the turn of the nineteenth century. Among the many interesting points in her remarkable career though, one little story is but poorly known. ...
5
votes
4answers
1k views
Scrambler puzzle (CTF forensics problem by me!)
Before anyone starts hyperventilating, this is not part of an ongoing CTF! I just made this example CTF problem for fun...
To learn more about what a CTF is, check out this Wikipedia page.
For this ...
31
votes
2answers
1k views
A fairy tale in a golden toy
Once upon a time, long long ago, in the days when good stories were far more beautiful and far harder to come by, a king was asked by his spoilt but beloved princess daughter to give her a fairy tale. ...
61
votes
1answer
2k views
Selective attention: an unusual game
There's a park behind the local basketball courts, where I like to go for quiet time. The other day, a group of thirty people arrived with a basketball as I was sitting down. One sat next to me, ...
1
vote
1answer
238 views
Steganography - Coded Blocks Ricoh Color Copy machine
I am somewhat new to this. Forgive if my description is not clear.
I have two code blocks. I know that each block, in part, codes for a serial number (which I know). Part of the code probably ...
15
votes
1answer
503 views
What should these be called?
On this site, rot13 is often used to encrypt comments so spoilers can be spoken about. Rot13 is a cipher, in which each letter is shifted 13 letters forward (or backward) in the alphabet.
There are ...
7
votes
0answers
284 views
Ode to a Nightingale: a puzzling study in literary criticism
The field of literary criticism is an interesting and fruitful one, in which puzzlers might carve out a niche. This was recently brought home by a conversation I had with a sagacious old gentleman in ...
6
votes
1answer
271 views
3
votes
1answer
103 views
6
votes
1answer
462 views
Zed's Mystery: Thetis... Vanished into Thin Air!
My friend Thetis and I cons— wait, where's Thetis? Hmm, that's funny... she was here a minute ago....
Wait, a note!... Oh dear, it seems things have taken a turn from bad to worse; Thetis is not only ...
9
votes
1answer
842 views
Image steganography / hidden message inside image (png, 8-bit gray+alpha)
I'm new to steganography and have been trying to figure this one out but some additional help would be appreciated. There is this image here:
It supposedly has a hidden message in it that should lead ...
10
votes
1answer
386 views
After the PSE lounge
Having solved the complaint at the PSE lounge, I leave the lounge and see a door I haven't noticed before. The door has a large sign. At the top it has a rhyme:
Rotations are red
Or are they blue?...
