快速批量扫描fastjson 漏洞

回显报错和DNSlog 批量检测fastjson

用法：

Usage of fastjson_scan:
  -f string
        url.txt
  -t int
        Thread default 10 (default 10)
  -u string
        http://192.168.1.1:80

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This project is made for educational and ethical testing purposes only。It is the end user's responsibility to obey all applicable local, state and federal laws. Developers assume no liability and are not responsible for any misuse or damage caused by this program.