TISC 2021 - 1865 Text Adventure (Creator’s Writeup)
This challenge was created for The InfoSecurity Challenge (TISC) 2021 organised by the Centre for Strategic Infocomm Technologies (CSIT). It was the 9th leve...
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NUS Greyhats at CDDC 2015 and (Almost) Epic Mass Exploitation
The Cyber Defenders Discovery Camp 2015 is an introductory computer security workshop slash competition targeted at students at the JC and IHL levels. This i...
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Wargames.my 2015 - Trivia
We are given an image of TV5 Monde.
Wargames.my 2015 - Slice of Life (Misc)
The challenge site returns a HTTP response containing an SVG. The HTTP response is reversed.
Wargames.my 2015 - Foo Soo Rah (Brute)
We are given an IP address:port pair and told to bruteforce smartly.
DEFCON CTF Qualifiers 2015 - MathWhiz (Baby’s First)
Simple programming challenge in which you had to solve equations in different formats.
DEFCON CTF Qualifiers 2015 - Access Control (Reversing)
Reverse engineer a server binary to determine how to interact with it and write a client.
SECCON CTF 2014 - Welcome to SECCON (Start)
Sanity check challenge.
SECCON CTF 2014 - Easy Cipher (Crypto)
The flag was embedded in a message that was encoded into different number bases from ASCII.