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.
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5answers
706 views
Is there any way to write-protect a USB or hide its contents from deletion without hardware modifications?
Data on external storage devices are not secure, I understand that. Despite hardware modifications they can still be hacked etc. However files can be hidden (steganography) or encrypted.
I'm ...
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2answers
63 views
VCS to manipulate returned trees to prevent leaks? [closed]
I am wondering if there is any system that would change source code trees in subtle from version control systems in ways that are hard to discover (i.e. whitespaces at the ends of lines, perhaps even ...
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1answer
190 views
A filesystem with chunks hidden all over the internet?
I am wondering if there are any implementations of a filesystem (as in FUSE) that would allow me to host a file in chunks steganographically distributed all over the internet.
The way I imagine it, ...
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0answers
59 views
Detailed tutorial for Virtual Steganographic Laboratory for Digital Images (VSL)? [closed]
Does anyone know of a good, detailed, tutorial or manual for using the Virtual Steganographic Laboratory (VSL) for Digital Images? I would prefer something with some concrete examples of how to use ...
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1answer
100 views
Approaching a steganalysis challenge
I am currently doing one of the Honeynet.org challenges, specifically the 13th forensic challenge dealing with steganography. Several PNGs have been provided and participants are to find and extract ...
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7answers
467 views
How easy is it to find a password in a huge text file?
Say that my password is PASSWORD1 I have a 10MB jumbled text file. I hide my password in two parts in the text, between > and < so I can find it myself. Then I put the 2 parts together and add the ...
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4answers
1k views
Steganography to hide text within text
Are there any steganography algorithms which are capable of hiding a (optionally encrypted) text message within another innocuous text message?
The scenario I envisage is that I would like to carry ...
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votes
5answers
6k views
Detecting Steganography in images
I recently came across an odd JPEG file: Resolution 400x600 and a filesize of 2.9 MB. I got suspicious and suspected that there is some additional information hidden. I tried some straight forward ...
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2answers
159 views
Utility to hide several encrypted messages in single file
I am interested, are there existing utilities/projects under way devoted to combining encryption and steganography.
I would like to
- combine two or more messages, encrypted with separate ...
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votes
1answer
518 views
Suggested Steganography Program?
I would like to try a Steganograghy program - know of one? How 'heavy' can it be:
1- Can I run the plaintext through a SHA-2 hash, THEN....
2- Encrypt the digest with my private key (Digital ...
1
vote
1answer
134 views
Steganography using all TCP/UDP ports?
I just had an idea, and usually when I come up with one, it turns out it was already invented, so...
Is there some standard that would consist of multiple parties sniffing on all of their TCP/UDP ...
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0answers
21 views
Steganalysis of outgoing traffic [duplicate]
Possible Duplicate:
Detecting Steganography in images
Is there any commercial traffic monitoring systems that implements steganalysis and could issue a warning upon suspicious file transfer ...
0
votes
1answer
225 views
How can I do steganography with an audio file in PHP? [closed]
I have expertise in PHP and I am trying to use steganography to encode a string in to an audio file that I upload. I couldn't find any good helping material on PHP manual. Any help would be ...
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3answers
1k views
How do I hide files inside of an image without using any stenganography tools?
I want to hide files inside of a picture. The files may be music or video. Is it technically possible to do this? If so, how?
I searched on Google to find methods,suggest some methods for beginners ...
1
vote
1answer
137 views
Editing images containing hidden information
Suppose we have an image with some hidden info behind it. If we open it in a photo manipulation software like Photoshop or Gimp, without editing it and just save it as a new image, does the image ...
2
votes
4answers
544 views
TrueCrypt dataleaks that might betray the “Deniable File System” option
Reading into "Operation Satyagraha", one would have to believe give all the resources used that the investigators had some reason to believe there was data to decrypt, even though in theory and in ...
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0answers
67 views
Is there a way to detect and extract steganographically hidden data from a picture? [duplicate]
Possible Duplicate:
Detecting Steganography in images
Is there a way to detect and extract hidden data from picture which altered by steganography?
For example, If someone tried to spill ...
7
votes
5answers
384 views
Which graphic image formats contain revision history? Does the image editing software being used matter?
It's common knowledge among graphic designers that they can rename a PDF file and import it into Illustrator and access the "layers" within the document, revealing hidden information.
I don't know ...
12
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4answers
781 views
Is Steganography considered encryption and subject to USA export restrictions?
I have written an application for Apple's iOS which embeds messages in JPEG files using steganography (see http://en.wikipedia.org/wiki/Steganography). For the purposes of this question lets assume ...
4
votes
2answers
167 views
What happens if a pro-censor ISP has Telex key(s)?
I've been watching more and more people jump on the idea of Telex as a way to prevent internet censorship (e.g. http://www.technologyreview.com/communications/38207/ -- not my comments at the bottom ...
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6answers
1k views
Is Steganography a safe method to store secret data?
I want to put some parts of my secret data into specific file with Steganography method. Is this method as safe as other encryption methods like RSA or SHA?
7
votes
2answers
1k views
Best way for a hacker to hide a file on Linux?
Suppose a hacker obtains a shell on my Linux host and wants to hide a file. What's the best way for him to do this? You may assume unprivileged or root access.
My thoughts are
Use a .file ...
5
votes
1answer
250 views
Are NTFS Alternate File Streams considered a security risk in your organisation; how is it mitigated?
Alternate File Streams allows a user to embed hidden content within any NTFS file. That file can be a TXT file, or MOV for example. Some may consider this a form of steganography, and therefore the ...
