My projects

Interesting projects I’ve worked on before. Some dead, some still alive.


PHP Taint Analysis + Symbolic Execution | http://taint.spro.ink

This is a taint analysis tool for the PHP language, it makes use of Static Taint Analysis and Symbolic Execution to achieve an analysis with high recall and improved precision.


| https://griddit.io

Griddit.io is a platform that allows users to create shareable grids containing many widgets such as Twitter, YouTube, anonymous live chat and embeddable iframes, all in one single web view.


MahjongLeh | iOS - iTunes App Store

Multiplayer Singaporean styled Mahjong. A turn-based table-top tile game modified with Singaporean rules. 4.5 stars rating on the App Store.


Relive.space

A platform that allows users to relive moments from events. Automatically aggregates data from various social media platforms with a ranking system in-place, providing only quality posts to users.


CorStats

A python script that aggregates bidding data from CORS in order to determine the best bidding course of action for a module. It checks if a particular module is healthy (Bidder/Slots ratio) and advises accordingly.
GitHub Repository


MIPS Simulator | http://quanyang.github.io/MIPS/

A MIPS simulator/emulator that is able to simulate a subset of MIPS instructions. Done purely using HTML and JavaScript, internals is implemented to be closely similar to actual CPU design.


| Most Civic-Minded Hack for NUS Hackers’ Hack & Roll 2016

Spotted is a platform that allows seamless and easy tip-off of stray animals spotting. Collected data is aggregated and communciated to relevant animal welfare groups. The design of the site focuses on the user experience, with more emphasis placed at making the entire process fast and easy. The result was a simple one step process that allows users to provide image + GPS location without downloading any mobile application.


WASTE | https://github.com/quanyang/waste

Web Application Security Tester (WASTE) is a Google Chrome Extension that allows for easy and intuitive penetration testing of web applications. It uses a pre-defined set of payload to attempt at exploiting common web vulnerabilities. It also allows for manual payload insertion, and has the capability of inserting pre-defined values for certain input fields.
WASTE was created as part of a course requirement.


System Bus Radio | Link

System Bus Radio is a program that transmits radio on computer without radio transmitting hardware. It makes use of electromagnetic radiation emitted by certain instructions in order to send information over radio. I helped to port System Bus Radio over to a vanilla JavaScript PoC that works off your regular browser.
Original Github Repo