Ghost in the Pixels: Operation Phantom Cache

What is this book?

This is the official, step-by-step solve book for Ghost in the Pixels: Operation Phantom Cache a beginner-level forensics Capture The Flag challenge created by AstralGuard Cyber Academy. It walks you through every single step taken to find the hidden flag, from raw evidence acquisition all the way to final decryption.

What's inside?

Seven chapters covering real forensic methodology evidence preservation, metadata analysis, hex inspection, steganographic extraction, passphrase cracking, archive analysis, and PDF password cracking. Every command is shown. Every output is explained. Every decision is justified like a real investigation.

Who is this for?

Perfect for beginner to intermediate cybersecurity students, CTF newcomers, and anyone learning digital forensics hands-on. If you've heard terms like steganography, hash verification, or dictionary attacks and want to actually understand them through a real scenario this is for you.

Why buy it?

Because most forensics guides are dry theory. This is a live walkthrough of a real challenge, written the way an actual analyst thinks through a case. You'll finish it knowing how to approach forensics CTFs not just memorise steps.

Our recommendation?

Try the CTF first. Give it your best shot before opening this book. The challenge is live, it's free, and the experience of figuring it out yourself is unmatched. If you get stuck or want to compare your methodology after solving it that's what this book is for.

Join the community:

Find the CTF, connect with other analysts, and access more AstralGuard content on our Discord: https://discord.gg/ZDG8SnDrRF