Acquisition of network security B module coding information of national vocational college skills competition

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Title Description

title
Mission environment description ：
 Server scenario ：FTPServer20220509( Close links )
 FTP user name :codeinfoacq password ：codeinfoacq:

1. From the target server FTP Upload and download wire0078.pcap, Analyze the file , Find out the area where the key information belongs , Use the area name as Flag Submit .
   

2. Analyze the file , Find out the key information , Take the effective packet length as Flag Submit .
   Flag:8
   The characters in the red box below
   

3. Analyze the file , Find out the key information , Will be the first 5 The key part of the effective information is 16 Hexadecimal value as Flag Submit .

Flag:0x2F Pay attention to capitalization F

4. Analyze the file , Find out the key information , Will be the first 10 The key part of the effective information is 16 Hexadecimal value as Flag Submit .
   Check the same as the previous question 21 A package
   Flag：0x22
   

5. Analyze the file , Find out the key information , Will find the Flag Worth submitting .
   Write a script to execute flag value