Buuctf QR code

Unzip the file , There is a picture of QR code

Sweep with your mobile phone

I didn't find any flag

Right click the image attribute and nothing is found

Check the hex of the picture , Also found flag,

But I saw txt The file of

There should be other files hidden in this QR code , Drag the file into kali in

Enter the command

binwalk file name

Check if there is anything else hidden in the file

It is found that this file also contains zip file

Then order

binwalk -e file name

Separate files

Drag the separated file out kali

  There's a zip file , Decompression requires a password , Try to use it at the same time ARCHPR Find the password in the source file while blasting

open ARCHPR

Drag the file in

  Soon the explosion was over , The password is 7639

Unzip the file

  Get flag, hold CTF Just change it

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CTF And Misc Basic test methods and knowledge points _l2872253606 The blog of -CSDN Blog