They occasionally post the official solution keys for past CTF challenges.
The "paper" or documentation you are looking for is likely the for this image forensics category. Because this was a competition file rather than an academic dataset, there is no formal peer-reviewed research paper; instead, the relevant documentation consists of walkthroughs that explain how to extract and analyze the data within the archive. Challenge Details Event: Magnet User Summit CTF 2021. Category: Image Forensics / OSINT.
A comprehensive guide covering the Image Forensics questions related to this file.
Participants were tasked with analyzing the contents of the .7z archive (often containing a mobile or desktop image) to answer specific questions about a "New Dad" character’s activities, such as locations visited or digital traces left behind. Where to Find the "Paper" (Write-ups)
The ABBA Quiz is for all ABBA fans who want to test their knowledge of ABBA’s rich history and achievements. Join our friendly competition, learn new things about the band and share your score with your friends. New_Dad_Cleans-Up.7z
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