Easy Canvas Crack 2021

Run binwalk to detect any embedded files:

binwalk canvas_crack_2021.png

Output reveals a ZIP archive appended at the end of the PNG:

DECIMAL       HEXADECIMAL     DESCRIPTION
0             0x0             PNG image, ...
...
123456        0x1E240         Zip archive data, at least v2.0 to extract, compressed size: 456, ...

Extract it:

binwalk -e canvas_crack_2021.png

This produces a folder containing secret.txt. easy canvas crack 2021

If the ZIP wasn't appended, the challenge might instead hide the flag in LSB of the image pixels. Use zsteg (for PNG/BMP):

zsteg canvas_crack_2021.png

If done correctly, you’d see:

[?] 1 bit planes hidden
b1,rgb,lsb,xy       .. text: "CTFcanvas_crack_2021"

When a stretched canvas shows craquelure (fine surface cracks) or deeper tears, do not use household glues or tape. Actionable safe steps: Run binwalk to detect any embedded files: binwalk

“Crack” commonly means bypassing license/DRM. That’s illegal and unsafe—avoid it. Risks include malware, legal consequences, and unstable software. Legitimate alternatives:

If you meant a specific product named Canvas (e.g., LMS Canvas by Instructure), don’t attempt unauthorized access; follow official support channels. Output reveals a ZIP archive appended at the

Category: Forensics / Steganography
Difficulty: Easy
Points: 50