Challenges and writeups for Whitehacks 2021 hosted by the School of Computing and Information Systems, Singapore Management University.

Compiled by eidooheerfmaet, comprising:

• Ivan Tung (@skytect)
• Joey Tang (@fishjojo1)
• Liu Jie Xu (@8061xjl)

Challenges

Only solved challenges that deserve a writeup are listed.

PWN

• Piggy_Bank
• Piggy_Bank_Revenge
• Puddi Puddi

OSINT

• Birthday Surprise A - Age Unknown
• Birthday Surprise B - The Cake Still Tick-Tocking
• Birthday Surprise C - No Place Like Home

WEB

• infant web
• X marks Louis's treasure
• BabyPHP

MISCELLANEOUS

• More than Meets the Eye?
• SnakeShell

FORENSICS

• Is it really?
• Can you handle these files?

GOVTECH

• An unhappy employee
• Bug Bug Infestation

CSA

• Sweet Tooth
• Bad Code Practices :(