affine.group home writeups about

My Writeups / Challenge Solutions

Here I have collected links to my writeups/solutions for challenges from various competitions (mainly Capture The Flag). The main topic is cryptography, but some others are covered too: reverse-engineering, exploitation of memory corruption bugs, sandbox escapes, steganography, etc.

The most interesting from my point of view are marked as    .

2020

CONFidence CTF 2020 Finals

Crypto CTF 2nd

0CTF/TCTF 2020 Quals

RCTF 2020

De1CTF 2020

PlaidCTF 2020

Codegate 2020 Preliminary

2019

CTFZone 2019 Quals

SECCON 2019 CTF Quals

HITCON CTF 2019 Quals

Balsn CTF 2019

PwnThyBytes CTF 2019

Crypto CTF 1st

SpamAndFlags Teaser 2019

Midnight Sun CTF 2019 Quals

0CTF/TCTF 2019 Quals

2018

NSUCRYPTO 2018

HITCON 2018

Midnight Sun CTF 2018 Finals

0CTF/TCTF 2018 Quals

Codegate 2018 Preliminary

2017

NSUCRYPTO 2017

TokyoWesterns CTF 3rd 2017

PoliCTF 2017

Google CTF 2017 Quals

HITCON 2017 Quals

0CTF/TCTF 2017 Quals

HXP CTF 2017

PlaidCTF 2017

DEF CON CTF Qualifier 2017

ASIC CTF 2017 Finals

Hack.lu CTF 2017

2016

33C3 CTF

HITCON CTF 2016 Quals

TUM CTF 2016

CSAW CTF Qualification Round 2016

Tokyo Westerns/MMA CTF 2nd 2016

Google CTF 2016 Quals

PlaidCTF 2016

0CTF 2016 Quals

Boston Key Party CTF 2016

Hack The Vote 2016

2013

PHDays CTF 2013 Quals


To be completed... See MSLC Blog
Site version #87 from 2020-09-06 14:41:56 (CEST)