Offense and defense in the world misc-4-1

Record a title blind watermark misc, cherish the memory of the operation and maintenance of University Challenge yesterday overturned car twocats

 

Download it down binwalk

 Then found inside the archive, and find two long identical pictures, but also tip.txt

Although two days doing the same things, but day2 has a secret than day1

github have scripting watermarking, first download

git clone https://github.com/chishaxie/BlindWaterMark

If the error "ImportError: No module named cv2" downloaded opencv

pip install opencv-python

 

Decryption obtain flag