We have many flags. But we need a good flag!
https://drive.google.com/file/d/1194sBi8Ijb4C-cYDGP2qZvXgj9uxSe7R/view?usp=sharing
题目给了一个文件world_flags.zeep,file后发现是一个zip压缩文件,使用unzip解压.
解压后发现有
~$ file world_flags.zeep
world_flags.zeep: Zip archive data, at least v1.0 to extract
~$ unzip world_flags.zeep
Archive: world_flags.zeep
creating: world_flags/
inflating: world_flags/1.txt
inflating: world_flags/10.txt
inflating: world_flags/100.txt
inflating: world_flags/1000.txt
inflating: world_flags/10000.txt
inflating: world_flags/10001.txt
....直接cat所有文件,然后用uniq去重
~$ cat *.txt | uniq
SBGTF{false_flag_🥺}
SBCTF{Cool_flag_!!!}flag:SBCTF{Cool_flag_!!!}