Notes on techniques

Introduction
- What?
- Why?
- How?
Problems and challenges

Root-me challenges

Introduction
- What?
- Why?
- How?
EXIF metadata
Dot and next line
Steganomobile
Twitter secret messages
TXT George and Alfred
WAV noise analysis
Poem from space
Yellow dots
EXIF thumbnail
WAV spectral analysis
APNG just a PNG
Crypt-art
PDF embedded
PNG LSB
PNG PIT
PNG PVD

Steganography

Hidden messages
Red Team
Improbability Blog
About
Register

PNG PIT

root-me challenge: Find the hidden message in this image. SHA1 hash: 52062f33b7a58050c082a5f677a1ae626da32d88.

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Unseen University, 2023, with a forest garden fostered by /ut7.