Belluminar2018_chall1

Belluminar 2018 Chall 1

Prob Info

지각생

지각생이 콩콩 , 지각생이 콩콩

ssh chall1@ubuntu.hanukoon.com (pw: givemeflag)

ssh chall1@ubuntu.hanukoon.com (pw: givemeflag)

1. Gameplay

1-1. my_page

Press Up/Down to move the cursor and Enter key to choose

• Start Game: Starts the game
• Quit: Quit the program

1-2. game

https://github.com/Chaser324/invaders

• Left/Right keys to move spaceship(^)
• Space to shoot bullets(*) to enemy(alien) ships(#)
• m to open menu, q to quit game

1-3. input player info

Show final score and get input of player information

• Input name: player name to display in scoreboard
• Input intro: player intro to display in scoreboard
• Last Says: something to say(???)

Function save_score filters the string from the Last Says and execute as system("echo " + string);

The whitelisted chars are numbers(0~9), /, ', ;, x, $

press Enter key to continue

1-4. scoreboard

Sorts records of gameplay from program startup by score and print infomation(name, score, intro)

• Y: Play game again
• N: Quit the program

2. exploit

• Explanation
• Python Script