Ais3- pre-exam 2017 - HackMD Ais3- pre-exam 2017 Team: TastyFeeder final score: 31 這邊是直接從hackmd上拿過來的，可以直接看----> hackmd版本 有些題目忘記QAQ，感謝 vest12385 在github有把所有題目放出來 Misc 1 (1pt) Description Welcome to AIS3 pre-exam! We have prepared 20 quizzes this year, and many of them are much more easier than before! Please notice that the flag may begin with “ais3” or "AIS3" For this welcome problem, please submit the key ais3{hello, world!} Good luck to your AIS3 pre-exam! We look forward to meeting with you in AIS3 this summer! Solution Flag is in the Description flag : ais3{hello, world!} Misc 2 (2pt) Description Find the flag! https://quiz.ais3.org:31532/ Solution 先用瀏覽器看source，看到有個被隱藏的圖片 載下來後，完全發現不了任何東西 後來看了很久，發現有個header HereItIs:Uzc0RzMyLnBocA== base64解碼後是S74G32.php 訪問後得到一張圖片 用檢視器開啟可以看到flag隱藏在白底部份 flag : AIS3{pika} Misc ...
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