3 ms·
This is sometimes used non-maliciously to concatenate zipped eBooks to a JPEG of the cover art. 4Chan's /lit/ board used to do this, but I can't find any refere
by avidiax 2y ago
This is sometimes used non-maliciously to concatenate zipped eBooks to a JPEG of the cover art. 4Chan's /lit/ board used to do this, but I can't find any reference to it anymore.
https://entropymine.wordpress.com/2018/11/01/about-that-jpeg-zip-shakespeare-hybrid-file/ https://entropymine.wordpress.com/2018/11/01/about-that-jpeg...
https://github.com/Anti-Forensics/tucker https://github.com/Anti-Forensics/tucker
- theoreticalmal 2y agoI think the reason it’s not used anymore is because it was used maliciously to share CSAM on other boards and 4chan banned uploading anything that looks like a concatenated zip
- yapyap 2y ago:/
- bsimpson 2y agoThat first read should be an HN post in its own right.
- bblb 2y agohttps://news.ycombinator.com/item?id=18342042 https://news.ycombinator.com/item?id=18342042
- 47282847 2y agoFYI, the blog post describes a zip file embedded in the ICC profile data of a JPEG in order to survive web image transformations, whereas the linked Tucker script is just appending the zip to the image.