Recent posts:

• Midnight Sun CTF 2022 - REVVER writeup

  2022-04-03T17:00:00Z [ rev automation ] [ Writeups ] [ midnight sun 2022 ]

• HXP CTF 2021 – RE hxp3drm Writeup

  2021-12-19T17:00:00Z [ rev galois fields ] [ Writeups ] [ hxp 2021 ]

• HXP CTF 2020 – RE ·< Writeup

  2020-12-20T15:33:09Z [ rev ] [ Writeups ] [ hxp 2020 ]

• Plaid CTF 2020 – RE reee Writeup

  2020-04-19T15:33:09Z [ rev ] [ Writeups ] [ plaidctf 2020 ]

• Plaid CTF 2020 – RE Shockwave Writeup

  2020-04-19T15:33:09Z [ rev ] [ Writeups ] [ plaidctf 2020 ]

• 0ctf qualifiers 2019 - Apple Pie

  2019-04-02T10:00:00+01:00 [ pwn ] [ Writeups ] [ 0ctf quals 2019 ]

• OverTheWire Advent Bonanza 2018 - Snow Hammer

  2018-12-26T23:53:26+01:00 [ pwn ] [ Writeups ] [ 0ctf quals 2019 ]

• hxp 2018 - Green Computing

  2018-12-09T18:57:24+01:00 [ pwning kernel rootkit ] [ writeups ] [ hxp 2018 ]

• Seccon Quals 2016 - Ropsynth

  2016-12-15T13:30:00+01:00 [ Pwning, AEG, Binary ] [ Writeups ] [ Seccon Quals 2016 ]

• Hack The Vote - Lockpicking

  2016-11-07T01:27:39+01:00 [ Forensics ] [ Writeups ] [ Hack The Vote 2016 ]

• EKOPARTY 2016 - Secure Upload Hidden Service

  2016-10-29T20:00:00+01:00 [ network ] [ Writeups ] [ EKOPARTY 2016 ]

• Secuinside Quals 2016 - mbrainfuzz

  2016-07-11T20:00:00+01:00 [ Pwning, AEG ] [ Writeups ] [ Secuinside Quals 2016 ]

• DEFCON Quals 2016 - b3s23

  2016-05-25T20:00:00+01:00 [ Shellcoding ] [ Writeups ] [ DEFCON Quals 2016 ]

• Insomni'hack 2016 - SafeCRT

  2016-03-21T17:00:00+02:00 [ Reversing ] [ Writeups ] [ Insomnihack ]

• 32c3 CTF - the

  2016-01-02T17:46:00+02:00 [ Forensic ] [ Writeups ] [ 32c3ctf ]

• 32c3 CTF - NordicByNature

  2016-01-01T14:56:00+02:00 [ Embedded ] [ Writeups ] [ 32c3ctf ]

• TUMCTF - Web 200 Italy Food

  2015-10-26T09:13:00+02:00 [ Web ] [ Writeups ] [ TUMCTF ]

• TUMCTF - Misc 200 Autoagressive Desensitization

  2015-10-25T19:48:00+02:00 [ Misc ] [ Writeups ] [ TUMCTF ]

• HITCON - Web 300 Giraffe

  2015-10-19T11:06:00+02:00 [ Web ] [ Writeups ] [ Hitcon ]

• EKOPARTY Pre-CTF - Reversing the APC cache

  2015-09-22T16:03:27+02:00 [ Reversing ] [ Writeups ] [ EKOPARTY Pre-CTF ]

• CSAW 2015 Quals - Transfer

  2015-09-21T20:12:38+02:00 [ Forensics ] [ Writeups ] [ CSAW15 Quals ]

• CSAW 2015 Quals - Keep calm and CTF

  2015-09-21T19:30:42+02:00 [ Forensics ] [ Writeups ] [ CSAW15 Quals ]

• CSAW 2015 Quals - lawncaresimulator

  2015-09-21T09:15:54+02:00 [ Web ] [ Writeups ] [ CSAW15 Quals ]

• CSAW 2015 Quals - FTP and FTP2

  2015-09-21T01:50:42+02:00 [ Reversing Pwnable ] [ Writeups ] [ CSAW15 Quals ]

• Flare-On Challenges 2015 - #8 gdssagh

  2015-09-09T18:45:00+02:00 [ writeups ] [ Flare-On Challenges 2015 ]

• Flare-On Challenges 2015 - #7 YUSoMeta

  2015-09-09T18:04:09+02:00 [ writeups ] [ Flare-On Challenges 2015 ]

• DEFCON Quals 2015 - Klug

  2015-06-01T13:17:28Z [ writeups ] [ DEFCON Quals 2015 ]

• VolgaCTF 2015 Quals - Remote Web, interstellar

  2015-05-03T16:06:42Z [ writeups ] [ VolgaCTF 2015 Quals ]

• VolgaCTF 2015 Quals - Web2

  2015-05-03T15:47:23Z [ Web ] [ writeups ] [ VolgaCTF 2015 Quals ]

• PlaidCTF 2015 - Cryptoserv (Reversing 250)

  2015-04-20T18:43:35Z [ Reversing ] [ writeups ]

• NDH 2015 Quals - Weshgrow

  2015-04-05T19:17:13Z [ writeups ] [ NDH 2015 Quals ]

• 0CTF 2015 - RSAQuine

  2015-03-30T18:11:08Z [ Crypto ] [ writeups ] [ 0CTF 2015 ]

• Boston Key Party 2015 - JFK/UMass

  2015-03-01T22:06:05Z [ writeups ] [ Boston Key Party 2015 ]

• Boston Key Party 2015 - Airport (Crypto 500)

  2015-03-01T21:37:56Z [ Crypto ] [ writeups ] [ Boston Key Party 2015 ]

• 31C3 CTF - hwaes

  2014-12-30T12:00:43Z [ writeups ] [ 31C3 CTF ]

• 31C3 CTF - whatson writeup

  2014-12-30T11:29:09Z [ writeups ] [ 31C3 CTF ]

• Advent Calendar CTF 2014 - loginpage (web13)

  2014-12-30T11:27:19Z [ Web ] [ writeups ] [ Advent Calendar CTF 2014 ]

• 31C3 CTF - ls writeup

  2014-12-30T11:14:33Z [ writeups ] [ 31C3 CTF ]

• 31C3 CTF - Page Builder writeup

  2014-12-29T23:25:50Z [ writeups ] [ 31C3 CTF ]

• 31C3 CTF - Devilish writeup

  2014-12-29T23:14:38Z [ writeups ] [ 31C3 CTF ]

• Advent Calendar CTF 2014 - Shooting (web5)

  2014-12-26T13:44:33Z [ Web ] [ writeups ] [ Advent Calendar CTF 2014 ]

• Advent Calendar CTF 2014 - reader (PPC9)

  2014-12-26T13:35:00Z [ writeups ] [ Advent Calendar CTF 2014 ]

• Advent Calendar CTF 2014 - OTP writeup

  2014-12-26T12:20:11Z [ writeups ] [ Advent Calendar CTF 2014 ]

• SECCON CTF 2014 Online Qualifications – jspuzzle

  2014-12-07T11:51:01Z [ writeups ] [ SECCON Quals 2014 ]

• SECCON CTF 2014 Online Qualifications - Reverseit Writeup

  2014-12-07T11:34:08Z [ writeups ] [ SECCON CTF 2014 ]

• SECCON CTF 2014 Online Qualifications - Get from curious ftp server Writeup

  2014-12-07T11:29:25Z [ writeups ] [ SECCON CTF 2014 ]

• SECCON CTF 2014 Online Qualifications - Bleeding “Heartbleed” Test Web writeup

  2014-12-07T11:18:00Z [ Web ] [ writeups ] [ SECCON CTF 2014 ]

• SECCON Quals 2014 - Decrypt it (Easy) [Crypto200]

  2014-12-07T10:56:54Z [ Crypto ] [ writeups ] [ SECCON Quals 2014 ]

• 9447 Security Society CTF 2014 - Future and shmap Writeup

  2014-12-01T14:20:03Z [ writeups ] [ 9447 Security Society CTF 2014 ]

• 9447 Security Society CTF 2014 - Bashful and Coffee Writeup

  2014-12-01T13:56:05Z [ writeups ] [ 9447 Security Society CTF 2014 ]

• 9447 Security Society CTF 2014 - Ramble Writeup

  2014-12-01T13:45:55Z [ writeups ] [ 9447 Security Society CTF 2014 ]

• 9447 CTF 2014 - nosql

  2014-12-01T13:22:29Z [ writeups ] [ 9447 Security Society CTF 2014 ]

• Defcamp 2014 Finals - Web300

  2014-12-01T11:44:19Z [ web ] [ writeups ] [ Defcamp 2014 Finals ]

• Defcamp 2014 Finals - Web100

  2014-12-01T11:40:30Z [ web ] [ writeups ] [ Defcamp 2014 Finals ]

• Defcamp 2014 Finals - Net200(?)

  2014-12-01T11:36:31Z [ Net ] [ writeups ] [ Defcamp 2014 Finals ]

• CSCAMP CTF Quals 2014 - I hate Time writeup

  2014-11-23T15:20:16Z

• CSCAMP CTF Quals 2014 - Dark Tasks writeup

  2014-11-23T15:02:17Z

• Hack.lu CTF 2014 - Callgate

  2014-10-23T22:28:15Z

• Hack.lu CTF 2014 - Peace Pipe

  2014-10-23T19:30:49Z

• Hack.lu CTF 2014 - Barmixing-Bot

  2014-10-23T13:49:27Z

• Hack.lu CTF 2014 - Dalton’s Corporate Security Safe for Business

  2014-10-23T13:48:48Z

• Hack.lu CTF 2014 - douchemac

  2014-10-23T11:00:08Z

• Hack.lu CTF 2014 - At Gunpoint

  2014-10-23T09:55:15Z

• Defcamp CTF Qualification 2014 - Web100,200,300 Writeup

  2014-10-20T13:03:59Z

• ASIS CTF Finals 2014 - Lion Club

  2014-10-14T13:48:02Z

• ASIS CTF Finals 2014 - TicTac (Forensics 200)

  2014-10-14T08:13:07Z

• ASIS CTF Finals 2014 - A familiar system

  2014-10-13T17:30:40Z

• ASIS CTF Finals 2014 - Match the pairs

  2014-10-13T13:49:35Z

• ASIS CTF Finals 2014 - Voting

  2014-10-13T12:35:39Z

• ASIS CTF Finals 2014 - Ultra Secure (Crypto 400)

  2014-10-13T10:52:08Z

• ASIS CTF Finals 2014 - Sattelite (PPC 200)

  2014-10-13T09:30:52Z

• ASIS CTF Finals 2014 - Numdroid

  2014-10-13T09:14:11Z

• CSAW 2014 quals - ish (exploitation 300)

  2014-09-22T21:35:49Z

• CSAW 2014 quals - wololo (rev300)

  2014-09-22T20:48:35Z

• xorcise (CSAW 2014 exploiting 500)

  2014-09-22T18:14:28Z

• s3 writeup (CSAW 2014, exploiting 300)

  2014-09-22T18:03:21Z

• CSAW 2014 quals - Hashes (web300)

  2014-09-22T17:32:44Z

• HITCON2014 - rsbo (pwn150) - Or: How to make things complicated

  2014-08-19T21:07:58Z

• Hitcon CTF 2014: Callme (exploiting 350)

  2014-08-18T18:57:45Z

• HITCON2014 - SHA1lcode (Shellcode300)

  2014-08-18T05:34:14Z [ HITCON ]

• HITCON2014 - Polyglot (Crazy500)

  2014-08-18T04:53:47Z [ HITCON ]

• BitcoinCTF 2014 - level 3 writeup

  2014-08-05T15:25:22Z

• SECUINSIDE CTF Quals 2014 - Shellcode100

  2014-06-01T15:02:29Z

• SECUINSIDE CTF Quals 2014 - Misc200

  2014-06-01T14:11:52Z

• SECUINSIDE CTF Quals 2014 - Web100

  2014-06-01T13:56:23Z

• DEF CON CTF Qualifier 2014 - shitsco

  2014-05-19T17:22:53Z

• DEF CON CTF Qualifier 2014 - baby's heap

  2014-05-19T13:27:30Z

• ASIS CTF Quals 2014 - Hidden Flag Writeup

  2014-05-11T12:53:35Z

• ASIS2014: Stego 100 - Spy Paper

  2014-05-11T08:32:28Z [ ASIS2014 Stegano ]

• ASIS2014: Forensic 150 - Forensic

  2014-05-10T16:40:07Z

• ASIS2014: Forensics 175 - Prying Ears

  2014-05-10T16:10:42Z [ ASIS214 Forensic ]

• 0x3004 CTF - Pwn2, EZ, Calc, PATH_TO_PRO, "DOTO, BEST DOTO", Pyjail 1 Writeup

  2014-04-30T13:40:21Z

• 0x3004 CTF - Injection1, Injection2, pydis, The Heart Still Bleed Writeup

  2014-04-30T13:32:39Z

• NotSoSecure CTF 2014 - Writeups

  2014-04-21T12:34:15Z

• PlaidCTF 2014 - ezhp Writeup

  2014-04-14T14:17:39Z

• PlaidCTF 2014 - WhatsCat Writeup

  2014-04-14T13:32:48Z

• PlaidCTF 2014 - reeekeeeeee Writeup

  2014-04-14T13:15:54Z

• Nuit du Hack CTF Quals 2014 - Web100 and Web300 Writeup

  2014-04-06T10:13:51Z

• Nuit du Hack CTF Quals 2014 - Misc150 and Misc200 Writeup

  2014-04-06T09:39:53Z

• backdoorCTF 2014 - Writeups

  2014-03-23T15:07:46Z

• RuCTF Quals 2014 - For200 and Admin200 Writeup

  2014-03-10T17:04:26Z

• RuCTF Quals 2014 - Vuln100 and Recon300 Writeup

  2014-03-10T15:05:47Z

• RuCTF Quals 2014 - Web100 and Web200 Writeup

  2014-03-10T14:58:58Z

• DEFKTHON CTF 2014 - Rev200, Misc200, Recon200, Misc300

  2014-03-05T14:11:12Z

• DEFKTHON CTF 2014 - Web200, Web300 and Web400 Writeup

  2014-03-05T13:33:01Z

• Boston Key Party CTF 2014 - Dante's Inferno

  2014-03-02T14:32:00Z

• Boston Key Party CTF 2014 - Web200 Writeup

  2014-03-02T14:11:07Z

• Codegate CTF Preliminary 2014 – Web Proxy Writeup

  2014-02-24T15:33:09Z

• Codegate CTF Preliminary 2014 - Clone Technique Writeup

  2014-02-24T14:26:14Z

• Olympic CTF Sochi 2014 - Elf Quest 2 Writeup

  2014-02-10T15:14:33Z

• Olympic CTF Sochi 2014 - RPC Writeup

  2014-02-10T14:50:34Z

• Olympic CTF Sochi 2014 - xnginx Writeup

  2014-02-10T14:31:45Z

• PHD CTF Quals 2014 - oracle Writeup

  2014-01-27T15:34:51Z

• PHD CTF Quals 2014 - pyjail

  2014-01-27T14:58:06Z

• PHD CTF Quals 2014 - lost and found part 2

  2014-01-27T14:45:24Z

• PHD CTF Quals 2014 - rbox and Metal Gear Felix Writeup

  2014-01-27T14:31:29Z

• GitS 2014: lugkist (Trivia 150)

  2014-01-20T14:20:29Z [ GitS2014 GitS WriteUp ]

• GitS 2014: Unbearable (Pwn Adventure 75)

  2014-01-20T14:19:53Z [ GitS2014 GitS WriteUp ]

• GitS 2014: Rabbit of Caerbannog (Pwn Adventure 75)

  2014-01-20T14:18:03Z [ GitS2014 GitS WriteUp ]

• GitS 2014: A Boaring Quest (Pwn Adventure 150)

  2014-01-20T14:17:13Z [ GitS2014 GitS WriteUp ]

• GitS 2014: Ad Substract (Pwn Adventure 75)

  2014-01-20T14:16:23Z [ GitS2014 GitS WriteUp ]

• GitS 2014: PHPCrypto (Recon 100)

  2014-01-20T14:15:36Z [ GitS2014 GitS WriteUp ]

• GitS 2014: Radioactive (Crypto 250)

  2014-01-20T14:14:48Z [ GitS2014 GitS WriteUp ]

• Hack you 2014 - Web300 Writeup

  2014-01-16T17:08:18Z

• Hack you 2014 - Net 300 Writeup

  2014-01-15T19:28:45Z

• Hack you 2014 - PPC100 Writeup

  2014-01-15T17:34:38Z

• Hack you 2014 - Rev 200 Writeup

  2014-01-15T16:57:06Z

• Hack you 2014 - Web 400 Writeup

  2014-01-15T16:02:29Z

• Hack you 2014 - Web 200

  2014-01-15T15:23:32Z

• Hack you 2014 CTF - Writeup Net100-Web100-Crypto100-Rev100

  2014-01-15T15:01:55Z

• 30C3 CTF - DOGE1 Writeup

  2013-12-30T15:45:48Z

• 30C3 CTF - rsync Writeup

  2013-12-30T15:07:11Z

• 30C3 CTF - guess Writeup

  2013-12-30T14:40:12Z

• CSCAMP CTF Quals 2013 - Web200

  2013-11-21T15:33:55Z

• CSCAMP CTF Quals 2013 - Web50

  2013-11-21T15:28:33Z

• Sharif University CTF Quals 2013 - Trivia 3 and 5

  2013-10-03T15:00:00Z

• No cON Name Facebook CTF Quals 2013 - Level 1 Writeup

  2013-10-03T14:42:06Z

• CSAW CTF Qualification Round 2013 – Exploitation 300

  2013-09-25T16:13:13Z

• CSAW CTF Qualification Round 2013 - Misc200

  2013-09-23T15:13:54Z

• CSAW CTF Qualification Round 2013 - Misc100

  2013-09-23T14:30:28Z

• CSAW CTF Qualification Round 2013 - Web200 Writeup

  2013-09-23T14:22:58Z

• CSAW CTF Qualification Round 2013 - Exploitation 200 Writeup

  2013-09-23T14:15:49Z

• EBCTF 2013 - Bin200 Writeup

  2013-08-04T15:11:22Z

• EBCTF 2013 - Web200 Writeup

  2013-08-04T14:57:13Z

• EBCTF 2013 - Net100 Writeup

  2013-08-04T14:36:26Z

• UFO CTF 2013 - Web300 Writeup

  2013-07-22T17:08:04Z

• UFO CTF 2013 - Web100 Writeup

  2013-07-22T16:44:32Z

• UFO CTF 2013 - Web75 Writeup

  2013-07-22T16:09:04Z

• DIMVA CTF 2013 - Web200 Writeup

  2013-07-19T15:16:57Z

• DIMVA CTF 2013 - Trivia50 (II) Writeup

  2013-07-19T15:03:03Z

• DIMVA CTF 2013 - Web100 Writeup

  2013-07-19T14:44:42Z

• SIGINTCTF 2013 - PROtocol Writeup

  2013-07-07T17:46:13Z

• SIGINT CTF 2013 - notes Writeup

  2013-07-07T17:32:20Z

• SIGINT CTF 2013 - mail Writeup

  2013-07-07T16:49:26Z

• DEF CON CTF Qualifier 2013 - OGMCMA1 Writeup

  2013-07-05T15:28:16Z

• 29C3 CTF - pwsafe

  2012-12-30T02:22:23Z

• SECUINSIDE 2012 prequals CTF – web writeup (cliph + sqlgeek)

  2012-06-11T02:34:18Z

• SECUINSIDE 2012 prequals CTF – web writeup (beast + yhsj)

  2012-06-11T02:30:18Z

• SECUINSIDE 2012 prequals CTF - web writeup (batman + zombie)

  2012-06-11T02:24:13Z

• BaltCTF 2012 - Europe300 writeup

  2012-05-21T20:35:32Z

• BaltCTF 2012 - Asia 400 Writeup

  2012-05-21T17:13:38Z

• PCTF 2012 - The Game Writeup

  2012-04-30T15:18:47Z