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One technique for hiding information is to change the file extension from the correct one to one that might not be noticed by an investigator. For example, [1] extension?
One technique for hiding information is to change the file extension from the correct one to one that might not be noticed by an investigator. For example, changing a .jpg extension to a .doc extension so that a picture file appears to be a document. What can an investigator examine to verify that a file has the correct extension?
You can change the ext, of course. But file header will not change. So, if you set a .doc ext to a JPG file, file header will be FFD8FF anyway. Try by yourself: Use a JPG, open with any hex editor and have a look. Then, change the ext to .doc. Any changes to the file header? :)
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Selzar
Highly Voted 3 years, 5 months agoBodescu
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