Here’s some good old instructions that I found to hide a .rar file in a jpeg so that you can open it as either…
- Get your .rar file and put it in the same directory as a jpeg picture (c:\hidden is a good place to put it)
- Open up a command prompt by clicking Start/Run and typing “cmd” and click ok.
- In the DOS window, type “cd c:\hidden” to navigate to the folder
- Type “copy /b input.jpg + input.rar ouput.jpg
(where input jpeg is the picture you want to show, input.rar is the file you want to hide and output.jpg will be the name of the new combined file)
That’s it! You can double click the new file and it will show it as a picture, BUT… if you open it with winrar, you will see the files contained. The picture above has a secret file in it, right click and save picture to your computer and then open it with Winrar to see what I put in there!
Lex: thanks for letting us know. very useful!
Very useful information for me. Thanks.
This is a pretty neat way to send a hidden message. If you find the Zip IN a Zip deal thet would be even better. I’ll check back. Fred
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Hello There,
Just thought I’d say that was very cool thanks for the tip.
This is just brilliant!
I don’t have a real need for it, but it is one of those cool nerdy tips that are just fun to know!
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tee: it’s useful and I like knowing it but I still haven’t found a legitimate use for it yet!
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This is just brilliant!
I don’t have a real need for it, but it is one of those cool nerdy tips that are just fun to know!
@Andy Bailey
Andy I created such an embedded jpeg using RAR, then analysed that file using Forensic Tool Kit(FTK) analyzer. But I couldnt find any change in the header of original jpeg and jpeg created after.
Do u have any idea about how this trick really works, i mean behind the scenes
strider: I don’t know exactly how it works but something similar I saw just attached the new file at the end of the original file, no headers were changed because the archive program looks for the correct headers for an archive at the beginning of the file but if it doesn’t see any, it keeps searching through the file until it finds them. just a guess, but that could be why your don’t see any change of headers in the jpeg…
otogaz: that’s exactly what I thought when I saw it first!
@ Andy Bialey:
THnx for ur reply. but jus in case u happen to find something more on how this works dont forget to post it [:)], n i’ll do the same.
very interesting..
Can send hidden stuff to friends without other people suspecting anything..
Thanks
nice article nice site.
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is there a way to split the two files back apart again?
blah: I think there probably is a way but I don’t know it sorry
I think I have read this post somewhere, but I don’t recall where.
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Very informative and easy to follow post. Rar and JPG working together.
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Entresan Thanks…
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Thanks Andy for this little beauty, and also thanks to Mr. Anon.
quite cool way to hide the win rar inside the picture
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interesting tip and i like find a way to add this to my site
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This might get handy, nice find buddy. I have tried but something turned upside down. I will try again.
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It might get handy when I retire from blogging and become hacker …. Ha ha ha . Seriously great post.
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Thanks for the useful information. Best regards.
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Nice! With this method you can hide every file you want.
I hided an mp3
Its really a fantastic post and really helping for the new ones in this
feild like me. Thanks for the great tips.
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Never think this can be done. Nice and very clever tips.
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Farily good enough and really appriciatable work dude. It was nice to
read your post so keep up the nice work. Thanks
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Good job man and I would like if you keep up the nice work.
Most of the other blogs I read, were not too much good to read
but here you have done a great job.
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Thanks for the nice tips.
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Keep up the good work man and good luck for all the times.
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So could this help in uploading a “jpeg” to a free image hosting site and then download the zip instead? They usually cap the file size @ 2MB or so so it won’t help too much but still a cool idea.
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Neat trick. Thanks for sharing it. I also love the drop down welcoming me as a visitor from Google.
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thank you
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Cool little trick… something I can take advantage of.
Wow, that could do some unwanted damage… Nice find though.
That’s pretty cool I’ll remember this and use it when i need to send sensitive information in a not-so-obvious way.
thats a pretty good idea. Is this applied to other file type too? can I mix other file (let say mp3 file) in image?
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its really good project.
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wow it’s fantastic it’s really amazinghadis last blog post..خصائص تحرك أسعار العملات
That’s Awesome!! I wonder if that can be done with other file extensions..
Old plain DOS tricks?..
Very nice trick to use. Similar to embedding a virus code to a jpeg is it?