Bugku's steganography

Download and unzip the file , Open the picture

Found the picture incomplete , It is speculated that the width and height may be modified , As a result, the file cannot be displayed correctly ,

Check the hexadecimal of the file with a tool , It can be used winhex It can also be used. notepad+

The height is a little low , Revise it , hold 01 Change to 02, preservation

Open the picture again

Find out flag