Skip to main content

Questions tagged [steganography]

A puzzle that requires finding hidden data in various media forms, such as text or images.

Filter by
Sorted by
Tagged with
14 votes
1 answer
939 views

Poring Over the Numbers: A Hidden Message

I thank my lucky stars I'm able to write this to you. I spent a hefty percentage of my remaining cash at the courier's office and I want to underscore the importance of this communique. If a man comes ...
4 votes
1 answer
681 views

Help with an image I'm assuming is cryptic

Got sent this on Discord, and I need help with identifying if it's like anything secretive or etc. Here's a zoomed version of that string: ...
3 votes
2 answers
436 views

Futuristic navigation

This is a 3-part puzzle. Parts can be solved out of order, but, in the end, parts must be put together in order they appear (1, 2, 3) to solve the whole puzzle. Parts are independent from each other. ...
31 votes
1 answer
747 views

For a puzzler such as you, you shall solve with ease

Your pet cricket has disappeared, due to its undying loyalty and steadfastness you assume foul play must be afoot! After looking around for any signs of confrontation, you find none, but thankfully ...
5 votes
4 answers
602 views

Finding a serial killer

Recently, in the United States, there have been multiple murders all over the country. Because of how similar these murders are, it is believed that a single individual is responsible. There have been ...
40 votes
4 answers
4k views

Multilayer Image Steganography

Alice, Bob, Carol, and Dan are playing a card game. After they all show their cards, Bob notes that by exchanging two cards the order of the players would be reversed; that is, the player with the ...
-2 votes
1 answer
460 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 ...
10 votes
0 answers
701 views

A funny looking cipher puzzle

What secrets does this jester hold? Hints are found down the road. A hint, or rather, that what is held transcribed:
11 votes
2 answers
650 views

A puzzling QR code

What common phrase is encoded in the QR code below? Hint 1: Hint 2: Note: I realized that the original puzzle was only really solvable for me due to my search history in constructing the puzzle. ...
6 votes
2 answers
2k views

Find the secret word in this encrypted image (part 1)

There is a secret word associated with this image that will be clear if it is decrypted properly. What is that word? (JPEG artifacts are irrelevant) Full size image: https://i.sstatic.net/cc5yl.jpg
0 votes
1 answer
202 views

My first attempt at creating a self-referential cipher

I recently made a self referential cipher (meaning that the key is the same as what is being decoded) a while back and was planning on putting it on here after making the cipher a bit more difficult. ...
12 votes
2 answers
2k views

Find the secret phrase in this encrypted image (part 3)

Welcome to part 3 of Quark's quest to make an image puzzle that isn't solved in under an hour. Like the last one, this will be much more difficult than the last. In the below encrypted message, there ...
6 votes
1 answer
902 views

Image of a line of pixels

The puzzle is the image but the body requires thirty characters to be posted so ignore this.
7 votes
0 answers
233 views

help? weird bug [closed]

hey stackoverflowers im very new to html so if one of you could give me a pointer on what went wrong here that would be really helpful. im trying to make an online⠀order⠀site but something happened ...
9 votes
2 answers
2k views

my stupid image broke

I think I broke something ughh im so angry my stupid image got CORRUPTED. Please help me fix it (this is my first puzzle so feedback/retagging appreciated)
1 vote
1 answer
863 views

But do puzzles really need visible or even highlitable text to be a good puzzle?

$\color{white}{fillertextsigh}$
7 votes
1 answer
993 views

Twitter Verification

This puzzle is part of the Monthly Topic Challenge #1: Restricted Title: xkcd 1xxx Help Rick Astley become verified. Account Info: Username: Rick Astley Password: <...
21 votes
1 answer
2k views

A Puzzle With the Difficulty Level of Dessert

I have built an encoded message here. Read and ponder. In this particular case I have encoded the name of an American known all over. My method is simple. Don't be fooled. Although this is a short one,...
11 votes
1 answer
2k 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 ...
2 votes
0 answers
339 views

Stuck trying to figure out a hidden message: Sharknado

As part of an ongoing "treasure hunt" in an online game that I take part in, there have been several forum posts made in an attempt to hint the participants to finding certain locations. ...
25 votes
0 answers
2k views

Decrypting the Key: "Phage is Spreading.."

I've been trying to solve this puzzle called "Phage is Spreading.." ...
5 votes
1 answer
305 views

Mysterious Letter

My friend Niko sent me a letter the other day: I DONT HΑVE ANY TIME TO TALK. IVE BEEN FRΑMED FOR TREΑSON АND M ON THE RUN. I NEED YOU TO HELP ME ESCAPE BАCK TO POLAND. I DO HАVE MY PASSPORT, BUT IT ...
5 votes
2 answers
436 views

A warning from below

You can't solve this puzzle. Quit trying. Question: The question above was made by who?
-2 votes
2 answers
330 views

Guess the movie using the image

The image: Do not overthink things.
16 votes
1 answer
746 views

A lumberjack unjustly captured

One day in China, a lumberjack was caught unknowingly cutting down one of the emperor's favorite type of tree. Because of this, the lumberjack was taken into captivity. The surrounding towns in which ...
17 votes
1 answer
1k views

Where’s the Puzzle?

This is part 32 of the puzzle series Around the World in Many Days. Each part is solvable on its own. Dear Puzzling, Today, I have toured some lovely small lakes in Britain. I have seen Chinese wall ...
18 votes
1 answer
2k views

Rubio's weird E-mail

So I woke up this morning to find a most peculiar e-mail from Rubio. It went like this: ...
12 votes
1 answer
780 views

What is the meaning of Samuel's life?

Samuel Dadit wanted to figure out the meaning of his life. He was thinking for many hours about it. But he could not find an answer. So he finally decided to find someone who could help him with his ...
4 votes
4 answers
3k 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 ...
-8 votes
3 answers
322 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 ...
5 votes
1 answer
350 views

Warning!! We need to rescue Mr. Greg

Greg, our Server Security Admin, was locked up today in his own Server Room. (Yeah, quite crazy I know). The guy had forgotten the password to unlock his door. Fortunately he had saved the password on ...
13 votes
2 answers
2k views

Do I still have time?

My boss told me he had something important to tell me, that I needed to read by the end of the day. I told him I was on it. See, I didn't want to admit I was "Working From Home" from the ...
30 votes
2 answers
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. ...
6 votes
1 answer
306 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. ...
6 votes
1 answer
255 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 ...
9 votes
2 answers
2k views

The mystery of the anonymous email

It is a bright Sunday afternoon. You are on a holiday, enjoying your cappuccino. Suddenly, you get a call from your boss at NSA. He tells you that a psycho-hacker has sent him and the whole staff a ...
69 votes
1 answer
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, ...
4 votes
2 answers
635 views

A highly "active" puzzle

Original puzzle below created by me. Hint 1: Hint 2: Hint 3: Hint 4:
8 votes
3 answers
657 views

Parϯner up and find the imposter!

Messenger, Our 5 top agents ѡill sօon arrive in diಽguise for the big meeting this weeĸ, and each has provᎥded their credentialઽ, but we've just received word one may be an imρostеⲅ sent by ouᴦ enemies....
14 votes
3 answers
610 views

Going up in flames

A scream! I rushed up the alley towards the yellow light oozing through the mist, pulling my greatcoat around me. As I neared, a man stumbled into me, clutching at a bloody wound in his stomach. He ...
12 votes
1 answer
335 views

Secrets Within A Book

After a hard day of work, you return home and open your mailbox. All is usual, but you soon find another letter with an unknown sender. You carefully open the letter to keep the contents as it is. ...
11 votes
1 answer
1k views

Finish the beautiful, ten story tower

A mathematician has commissioned you to build a beautiful tower, ten stories tall, and it's almost complete! Here are the number of bricks in each level, and the layout of the steel girders. Exactly ...
9 votes
2 answers
780 views

Who is that? Where does it all happen?

Who is that? Where does it all happen?
3 votes
0 answers
311 views

Will you regret solving this puzzle?

It's February and you walk into the Smithsonian American Art Museum. A piece of artwork was recently bought for $2,061,966 USD, but you are confused that the museum bought this ugly artwork that even ...
11 votes
2 answers
696 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? ...
2 votes
1 answer
161 views

Bits and pieces of maps?

Your friend texts you this image. What does it mean? Note: I created this puzzle. Good Luck!
3 votes
1 answer
412 views

It's All Just Noise To Me

(Note: This puzzle was originally made as part of a location-based puzzle hunt, so your final answer should be a place.) Hint 1:
19 votes
1 answer
2k views

Lots of dull colors!

Note: I created this puzzle. Good Luck!
4 votes
0 answers
361 views

The Official Stack Exchange Spelling Bee, sponsored by *something something*

Behold, the First annual official amaaaaaaaaaaaaaaaaaazing Puzzling Stack Exchange Spelling Bee! With hard words! Harder puzzles! And conveniently pre-signed-upped competitors!!! insert canned ...
-3 votes
1 answer
235 views

Moorangri Topic Archive (mystery)

It is a mystery for you and your flipped boots...where is the light switch? Moorangri is in the international archive of Internet...as a subject.

1
2 3 4 5
11