Questions tagged [steganography]

Steganography is the art of hiding data within other data. Ann sends a message to Bob. With encryption Eve could see the message but not read it. With steganography Eve would not see the message.

Filter by
Sorted by
Tagged with
0
votes
0answers
77 views

Alter an ASCII character without detection?

If it were possible to alter an ASCII character without detection--that could only be "seen" by the intended receiver of a message--it would be ciphertext heaven. Consider Bacon's Bilateral Cipher (...
0
votes
3answers
118 views

How to track the usage of image

We are running an image content system where we allow the option to download the image freely by any user. Now I want to do the following things for those images: Track down the usage of the image ...
1
vote
1answer
217 views

How common is steganography in real world applications?

Steganography, the art of hiding information in "plain sight", is often taught in universities, because it seems immediately graspable to students. An image format where only 7 bits per byte are used ...
0
votes
1answer
50 views

Is it possible to retrieve embedded information in a printed image with steganography?

If I print the following noise texture image in which I've embedded some information with steganography, can I retrieve the information back or can I detect the information loss occurred due to ...
1
vote
0answers
66 views

Help needed in identifying a string [closed]

I need help in identifying the following string in order to decode it to a piece of meaningful information. h_t_s_/_g_s_._k_l_b_c_m_4_9_a_k_6_f_8_4_8_e_e_r_9_3_9_f_
0
votes
0answers
517 views

Are there any tools to detect JPEG steganography? [duplicate]

I am looking for tools which can detect JPEG steganography for Windows or Linux. All the projects I found are either so old that they are missing dependencies and there are no precompiled binaries. ...
1
vote
1answer
365 views

Does steganography ensure confidentiality?

Can we say that steganography ensures confidentiality? I think it does not ensure because it is based on the security through obscurity and then it does not respect Kerckhoffs's principles, but the ...
2
votes
1answer
109 views

Steganography in MP3s

Is there a way to hide a message in an audio file and hear it by playing it in reverse? Like if you play the audio file forward, it will skip my secret message and just play the next frame, but is ...
0
votes
1answer
375 views

Steganography - outguess vs steghide

Looking for some steganography guidance This maybe a noob question, but what is the difference between outguess and steghide? Are all steganography tools alike? Can I make a secret text file image in ...
1
vote
1answer
121 views

Is there a tool allowing me to store some encrypted data in an image file? [closed]

I've seen - http://stegosploit.info/ - it's adding certain data. I'm not that sophisticated, I just want to have in an image file: file header encrypted data the image does not have to be real (...
-1
votes
1answer
123 views

Audio steganography and DRM

I recently made a post about an audio steganography program and had another concern I thought I might ask. I understand that most music has DRM in them. If I hide secret files in audio files with DRM ...
0
votes
1answer
476 views

How does the Deepsound steganography software work, and what are pros and cons of it?

I always been fascinated by steganography. I understand that its purpose alone is to provide security by obscurity. However, combining steganography with encryption can actually make it desirable ...
2
votes
1answer
352 views

Encrypted data embedded in JPG and Other file types

This is some data found near the end of a JPG file: 18{8uck3y3$} ! 18{b4063c521f76545d8c94e999dd63f445d8c01cfc} # 18{U2FsdGVkX19RJjdBbDB51ok1hkFXaB91NpZNoQjbVXYlMeMTaWRTdg==}? Other files on the ...
2
votes
1answer
114 views

LSB replacement and its effect on grayscale histogram

I used this program to embed some text data in grayscale image, then I compared original and stego histograms in Matlab using imhist function. You can see both on them below: Can somebody explain to ...
1
vote
0answers
2k views

How well can we hide an executable (apk/ipa) in an image [duplicate]

Guys the basic idea behind this question is to gather your thoughts on the below scenario: I was listening to a news program and one of the cyber security researchers, actually a very senior guy, was ...
3
votes
1answer
321 views

Do digital camera perform steganography / watermarking?

It is well documented that one should consider that all modern printers perform steganography / watermarking in the back of their users https://en.m.wikipedia.org/wiki/Printer_steganography Is such ...
1
vote
3answers
216 views

Is this scheme considered to be text/linguistic steganography?

Let say I have the following message: Lets meet in front of the hall at morning. From that I construct this message by applying antonym substitution: Lets meet behind the hall at evening. So "...
0
votes
1answer
78 views

Which approach provides more authenticity of image ownership: cropping, or reduced resolution?

Even if this particular approach likely provides medium to low assurance, which approach is more trustworthy: Suppose I take a set of photos that I own, and crop all of them after I magnified by 25%....
1
vote
0answers
2k views

Detecting steganography in JPG, PNG, and BMP

I have a little problem about my research on steganography. For short, I used StegSpy 2.1 to run a test for my stego images. I used 9 JPG images, 9 BMP images, and 9 PNG images. From all of them, ...
1
vote
1answer
246 views

Has anyone actually been hacked by video subtitles?

This morning's news brought this story: Hackers are hiding computer viruses in film subtitles, security experts warn Where they warn that subtitles in videos played on computers could be used to ...
3
votes
2answers
520 views

Is it possible to revert a steganographic process to reconstruct the original image?

Using, say, outguess, it is possible to hide a secret message inside a JPEG image (LSB method). Is it possible to undo the steganographic process given the modified image to reconstruct the original ...
0
votes
1answer
92 views

Is this spin on RSA algorithm possible?

My main purpose of this question is that i do not want the receiver to know how to decrpyt the data which I included in the image using steganography. I wanted to use asymmetric type algorithm and not ...
1
vote
1answer
164 views

Can I use DCT and LSB method for multiple watermarking?

I have an idea of applying DCT on an image and then embed text into the LSB of the coefficient of DCT and transmit the image to B (the receiver). Now, using the same procedure, can B transmit another ...
4
votes
1answer
1k views

Defeating identifying information that printers hide in printed documents

It's pretty widely known (well, I think it's widely known) that printer manufacturers, in cooperation with certain governments, embed various bits of information (serial numbers, dates, etc.) in ...
4
votes
2answers
1k views

Hidden digital watermark in a website which can survive .jpg screenshots?

I'm trying to embed a secret watermark in a website so that I can link any screenshots to the user who created them. The page looks something like this: It has a custom background (user can change it ...
2
votes
1answer
423 views

How to Combine RSA and AES for Steganography Project [closed]

I wanted to have some knowledge about cryptography and steganography so I decided to write a steganography application with using LSB technique and for message encryption I wanted to combine RSA and ...
1
vote
0answers
790 views

How to extract watermark from an image [closed]

I have a task to extract watermark itself from a highly complex image. Below there is an example. We have, say this image: Then we have some watermark like this one which is either transparent or ...
7
votes
3answers
1k views

How to implement reset password for a password manager

How could I best implement a reset password functionality for a password manager? I'm currently saving a hashed + salted master password, which is hashed with PBKDF2, and encrypting the passwords with ...
1
vote
3answers
154 views

What all file types can we hide an archive file inside?

This tutorial explains how you can "hide" an archive file like .zip inside an image file by using the command: copy /b image.jpg + hide.zip output.jpg Doing so allows you to right click output.jpg ...
0
votes
1answer
281 views

Is this an uncommon PNG ending or image steganography? [closed]

I'm reading about image steganography at the moment. I got a test file to experiment with. I noticed a strange code block at the end of the PNG file when I opened it with vim: xref 0 14 0000000000 ...
15
votes
1answer
3k views

Steganography - JPEGsnoop

I am trying to overcome a CTF steganography challenge. I tried different methods to unhide the hidden data in the file without luck. I used JPEGsnoop on the image and I got this output: *** Decoding ...
1
vote
0answers
99 views

Video Steganography Dataset [closed]

Does anybody knows a video data set worth for stenography tests? I searched many many times but I couldn't find sth good. Thanks
62
votes
7answers
10k views

Is there an encryption algorithm that allows for a single payload to have two different outputs based on the password?

Suppose I have some confidential information that is encrypted and I'm forced/compelled to disclose that password. My goal is to make that decrypted payload seem meaningful / and the password valid. ...
1
vote
4answers
539 views

Is it possible to use steganography on an analog audio channel?

Is it possible to use steganography using an analog audio channel? I know this can be done using images. My idea is to encode an audio message in way that if listened by an ordinary device (e.g., ...
2
votes
2answers
105 views

Can a picturefile with stegano be malware when saved somewhere?

I was reading an article about malware active in ad-banners, limited to systems with IE-browsers with some settings. Millions exposed to malvertising that hid attack code in banner pixels ...
3
votes
1answer
10k views

What to do with output files from binwalk? [closed]

I am testing my steganography skills on www.root-me.org. I downloaded a challenge. Here is the challenge image file. I used binwalk and it showed me the following: root@kst-Inspiron-5458:/home/kst/...
3
votes
2answers
318 views

Openstego LSB Plugin

I ran the openstego command line below and got the error "No plugin found with name: lsb". I googled for this error and it said "abstract class should be added." I am not good at java but I want to ...
11
votes
9answers
4k views

Can morse code be called steganography? [closed]

Steganography means "hidden writing", where we send messages in hidden ways. Does this mean that something only experts can understand is called steganography?
-1
votes
1answer
98 views

How Audio steganography is called secure? [duplicate]

Everyone can extract the information from audio file then how its called secure. Means if we hide the text message into an audio file its the possibility that the third person can extract then how its ...
0
votes
3answers
2k views

Looking for some steganography guidance

I am currently trying to figure out a steganography challenge. I was given 3 images, a secret.txt file and a "binary" file. There are no instructions as this was part of another challenge. I am ...
3
votes
2answers
5k views

Uncover data in file slack

Today in class we learned about how information can be uncovered in a file slack. I understand this theoretically, given the physical and logical file size I can come up with the slack space of a file....
6
votes
2answers
850 views

What is network steganography?

I am new very new to networking concepts I do not have any idea about network steganography. Can anyone please explain what it is. what is its advantages and disadvantages?
1
vote
0answers
230 views

Risks from network steganography

I happened to learn that there is an actively researched IT-security field named network steganography. Could experts give a short overview of the current state of affairs, especially about the extent ...
0
votes
3answers
843 views

How to hide encrypted volume as playable video?

How do I hide an encrypted VeraCrypt volume as a playable video file? I know I can store the encrypted volume as whatever file type I want, but what if I want that file to act as the file type? For ...
1
vote
2answers
92 views

Very fast and efficient way to check that contents of the directory weren't modified

I need a way of determining whether contents of a folder containing some executable stuff have not been modified in any way a moment before I decide to execute the whatever is in it. Check every time ...
1
vote
1answer
3k views

How to know if there is an audio hidden message in an audio file? Can we hear it? [closed]

How many types for hiding audio in an audio file are there? And would we be able to realize or hear an hidden audio message in a song in all types of steganography?
3
votes
1answer
123 views

Protect hidden message in image from manipulations

I understand that there are techniques that allows me to hide information in an image. In particular, I am interested in what ways I can save a relatively short string in an image, say 30-40 ...
16
votes
3answers
6k views

Setup a private VPN for family in China?

I have family in China. During the past weeks their internet connection was severely limited. VPNs such as Astrill and similar weren't working anymore. Is it possible to setup my own VPN (or ...
3
votes
2answers
170 views

steganography - digital application?

Recently I participated in a CTF game which held a number of steganography challenges. This got me really interested in steganography. From what I understand steganography is most commonly used with ...
4
votes
2answers
4k views

How to determine if JPG EXIF data has been changed by “OEM” software (without third party tools)?

I have a JPG and I am analyzing it to determine it's efficacy. The image metadata clearly indicates that the image was digitized at 15:10:13, Dec 31, 2015 and I need to determine if this date ...