🕵️ Metadata Detective
Learn how investigators uncover hidden information stored inside files.
📸 Incident Briefing
A marketing employee uploaded a company photo to the website.
Management believes:
“It’s just a picture.”
Security investigators suspect otherwise.
Your job is to examine the file more closely.
🎯 Challenge
You receive a file:
company-photo.jpg
The following metadata is extracted:
Author: John Smith
Software: Adobe Photoshop
Comment:
flag{metadata_never_lies}
Can you find the flag?
🤔 Think Like An Investigator
Most users only view:
- Pictures
- Documents
- PDFs
Investigators examine:
- Metadata
- Properties
- Comments
- Creation Information
💡 Hints
Hint 1
Images often contain additional information.
Hint 2
Look beyond the visible picture.
Hint 3
The answer may already be inside the metadata.
🛠 Investigator Toolkit
- ExifTool
- strings
- file
- MediaInfo
- Windows Properties
ExifTool is one of the most valuable tools for metadata investigations.
🌎 Real-World Examples
Metadata has historically revealed:
- Employee Names
- Email Addresses
- Internal Server Names
- Document Authors
- GPS Coordinates
Organizations often forget metadata exists.
🔍 Investigation Result
The flag was hidden inside:
Comment:
Result:
flag{metadata_never_lies}
🏆 Key Lesson
Not all information is visible.
Metadata frequently contains valuable clues.
Investigators
Look Deeper
🔐 The Mystery Cipher
Learn how CTF players recognize common encodings and hidden messages hidden inside seemingly random text.
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