Forensics

Something Missing?

Points N/A

Solves N/A

Scenario

Professor got an image from Raquel, but the Intelligence did something!

Solution

The challenge provides a file named SomethingMissing which is a PNG image. The file is corrupted and cannot be opened. The file is missing the PNG header. The PNG header is 89 50 4E 47 0D 0A 1A 0A. We can add the header to the file using a hex editor. We can use the Hex Editor to add the header to the file. After adding the header, we can rename the file to SomethingMissing.png. We can now open the file and view the flag.

SomethingMissing.png

Something Missing? Flag: QUESTCON{H1dd3n_s0_y0u_can1_s33}