How to extract file from jpeg?

Question

Programming

There is a file, jpeg, it is reliably known that another file is sewn inside. How to extract it from there? It is not known what software the file was glued together with. Through WinRar does not open, through DarkJpeg too.

Answer 1

smoke algorithms and programs for steganography

Answer 2

Dig towards some exif reader'a. In tiff exif tags, thumbnails and text files can be flashed. You need something that in RAW format, up to each tag, gives out. Because there are programs that give out only the main information on exif.