Stegextract is described as 'Detect hidden files and text in images. Stegextract extracts any trailing data after the image's closing bytes, and any hidden files (or other images) embedded within the image' and is an app. There are 1 alternatives to Stegextract for Linux. The best Stegextract alternative is Deepsteg, which is both free and Open Source.
A superior, open-source suite of state-of-the-art steganalysis tools. Deepsteg performs visual attacks, structural attacks, and statistical attacks (including deep learning based attacks) to detect files hidden within images and other files.
