Another easy stego challenge. The challenge consists of a HTML file. Opening it up, reveals that there is a table present. There were various cells present with nearly-same background color. Original file link here - glasses.tar.gz. A sample from the original HTML file. <td style="width: 7.75757575757576px; background-color: rgb(255, 255, 255);"></td> <td style="width: 7.75757575757576px; background-color: rgb(255, 255, 255);"></td> <td style="width: 7.75757575757576px; background-color: rgb(255, 255, 254);"></td> <td style="width: 7.75757575757576px; background-color: rgb(255, 255, 254);"></td> <td style="width: 7.

Here is our original picture. It is a picture of Emma Watson in an event. We are to extract the flag from this image.  I checked for common anomalies in the picture but, couldn’t find any. No extra information in the metadata or the blob content of the image. Then I suspected if it is LSB steganography and checked for it too. But, there could be no meaningful data extracted from the LSB bits.