萌新web17
It involves file-inculding, I wanna use php:// protocal but then I notice 'php' is filtered.
Therefore, I prepare to use another method -- Log Penetration.
That link within red rectangle returns the above message that shows the value of 'User-Agent' in HTTP Header has wiritten in log.
So we can add one word trojan in 'User-Agent' value.
Then connect the server within AntSword.
Get the flag.