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...
Stickied Posts
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...
Recent Posts
STACK 2020 - I Smell Updates (IOT)
Summary: An ARM crackme is transferred over Bluetooth. Extracting the binary allows us to apply angr to it to automatically find the flag.
STACK 2020 - FWO FWF (Misc)
Summary: Three different individual messages are encoded within HTML via their classes and their styled visibilities.
STACK 2020 - Emmel (Misc)
Summary: Provide an image that satisfies an image classifier to obtain the flag.
STACK 2020 - Corrupted Hive (Forensics)
Summary: Data hdiden within a corrupt Windows registry hive contains an Base64-encoded guessable flag.
STACK 2020 - Beta Reporting (Pwn)
Summary: A format string attack allows us to overwrite an entry in the GOT to redirect execution to a print flag function.
CSIT - The InfoSecurity Challenge (TISC) 2020 Writeups
Writeups for the TISC 2020 CTF organised by CSIT.
BSides SF CTF 2018 - Rotaluklak (Pwn)
Escape python jail.