web- world martial arts but not fast breaking

No martial arts is indestructible, and the fastest is the only way to get long-term success.
>>>>>> ---- you have to do it as quickly as possible! ---- <<<<<<

 

View source

 Probably pass the POST request

 

burpsuite capture

Each submission failed, fast enough, and each would have to change the value of the flag,

 

Then write a script to submit post

# Coding: UTF. 8- 
Import Base64
 Import Requests 

URL = ' http://ctf5.shiyanbar.com/web/10/10.php ' 
R & lt = requests.get (URL) 
head = r.headers 

base64_flag = base64.b64decode ( head [ ' In Flag ' ]) # Base64 decrypting 
In Flag = base64_flag.decode () # from transforming into a byte string type 
In Flag = flag.split ( ' : ' ) [. 1] # extraction In Flag 

Data = { ' Key ' : In Flag } 
the ResultRequests.post = (URL, Data = Data) .text # sending a POST request 
Print (Result)

Get flag

CTF{Y0U_4R3_1NCR3D1BL3_F4ST!}