CTF 54

• HITCON CTF 2025 -- calc Aug 25, 2025
• HITCON CTF 2022 -- Fourchain - Hypervisor Nov 28, 2022
• HITCON CTF 2022 -- Fourchain - Browser Nov 28, 2022
• Flare-on Challenge 2019 Write-up Sep 28, 2019
• Flare-on Challenge 2018 Write-up Oct 6, 2018
• Chakrazy -- exploiting type confusion bug in ChakraCore engine Dec 26, 2017
• Learning browser exploitation via 33C3 CTF feuerfuchs challenge Dec 16, 2017
• hxp CTF 2017 -- hardened_flag_store Nov 21, 2017
• MeePwn CTF 2017 -- Brainfuck 1 & 2 Jul 16, 2017
• MeePwn CTF 2017 -- anotherarena Jul 16, 2017
• MeePwn CTF 2017 -- Old School Jul 16, 2017
• DEFCON CTF 2017 Quals -- badint May 2, 2017
• DEFCON CTF 2017 Quals -- peROPdo May 2, 2017
• 33C3 CTF 2016 -- rec Dec 30, 2016
• 33C3 CTF 2016 -- babyfengshui Dec 30, 2016
• 33C3 CTF 2016 -- ESPR Dec 29, 2016
• 33C3 CTF 2016 -- The 0x90s called Dec 29, 2016
• 33C3 CTF 2016 -- pdfmaker Dec 29, 2016
• SECCON CTF 2016 -- chat Dec 12, 2016
• SECCON CTF 2016 -- checker Dec 12, 2016
• HITCON CTF 2016 Quals -- Shelling Folder Oct 11, 2016
• HITCON CTF 2016 Quals -- Hackpad Oct 11, 2016
• HITCON CTF 2016 Quals -- ROP Oct 11, 2016
• HITCON CTF 2016 Quals -- flame Oct 11, 2016
• HITCON CTF 2016 Quals -- Secret Holder Oct 10, 2016
• ASIS CTF Finals 2016 -- shadow Sep 13, 2016
• ASIS CTF Finals 2016 -- car market Sep 13, 2016
• MMA 2nd CTF 2016 -- Interpreter Sep 13, 2016
• MMA 2nd CTF 2016 -- greeting Sep 12, 2016
• Hack.lu CTF 2015 -- secret library Oct 22, 2015
• CSAW CTF 2015 -- autobots Sep 22, 2015
• CSAW CTF 2015 -- wyvern Sep 22, 2015
• CSAW CTF 2015 -- FTP & FTP2 Sep 22, 2015
• CSAW CTF 2015 -- Hacking Time Sep 21, 2015
• AIS3 2015 pre-exam -- complete writeup Aug 6, 2015
• DEFCON CTF 2015 Quals -- wibbly-wobbly-timey-wimey May 24, 2015
• DEFCON CTF 2015 Quals -- catwestern May 24, 2015
• DEFCON CTF 2015 Quals -- mathwhiz May 23, 2015
• DEFCON CTF 2015 Quals -- r0pbaby May 23, 2015
• ASIS CTF 2015 Quals -- grids May 23, 2015
• ASIS CTF 2015 Quals -- Saw this (1 & 2) May 23, 2015
• VolgaCTF 2015 Quals -- my little pwnie May 22, 2015
• VolgaCTF 2015 Quals -- math problem May 22, 2015
• BackdoorCTF 2015 -- Binary + Misc May 8, 2015
• 0CTF 2015 Quals -- geo-newbie May 5, 2015
• 0CTF 2015 Quals -- (Baby)PolyQuine May 5, 2015
• SCTF 2014 -- Code400 Dec 9, 2014
• SCTF 2014 -- Pwn400 Dec 8, 2014
• SCTF 2014 -- Pwn200 Dec 8, 2014
• ASIS CTF Finals 2014 -- TicTac Oct 15, 2014
• ASIS CTF Finals 2014 -- SATELLITE Oct 15, 2014
• ASIS CTF Finals 2014 -- How much exactly + Lottery Oct 14, 2014
• CSAW CTF 2014 -- Exploitation 400 saturn Sep 25, 2014
• CSAW CTF 2014 -- Exploitation 200 pybabbies Sep 25, 2014