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use tools
- WINRAR
- jd-gui decompilation software
Problem solving process
Method One
The jar file can be opened through WinRAR, use WinRAR to search
in turn, FLAG is found in a certain class compilation file,
base64 decoded to get FLAG
flag{DajiDali_JinwanChiji}
Method II
Use jd-gui decompilation software to directly open the class file, find the file
base64 and decode it in turn
flag{DajiDali_JinwanChiji}
Finish
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