CTF writeups from P4 Team

2023

• 2023.04.01 Hack-a-Sat 4 Quals(4th place/381 teams)
• 2023.03.24 Insomni'hack CTF 2023(7th place/84 teams)

2022

• 2022.01.29 InsomniHack Teaser 2022(1st place/489 teams)

2021

• 2021.12.19 hxp CTF 2021(10th place/1017 teams)
• 2021.07.17 Google CTF 2021(8th place/379 teams)
• 2021.05.28 Pwn2Win CTF 2021(9th place/720 teams)

2020

• 2020.11.28 HITCON CTF 2020(13th place/710 teams)
• 2020.11.20 Dragon CTF 2020(5th place/538 teams)
• 2020.10.23 Hack.lu CTF 2020(3rd place/302 teams)
• 2020.10.04 Trend Micro CTF 2020 Qualifiers(5th place/67 teams)
• 2020.09.19 TokyoWesterns CTF 2020(8th place/648 teams)
• 2020.09.05 CONFidence CTF 2020 Finals(organisers)
• 2020.08.22 Google CTF 2020(9th place/625 teams)
• 2020.05.10 SpamAndFlags Teaser 2020(3rd place/531 teams)
• 2020.01.04 WhiteHat 2020 Quals(13th place/150 teams)

2019

• 2019.12.27 hxp 36C3 CTF(13th place/1749 teams)
• 2019.12.01 CTFZone 2019 quals(9th place/1040 teams)
• 2019.11.16 ASIS CTF 2019 Finals(5th place/357 teams)
• 2019.11.14 Dragon CTF 2019 Finals(1st place/14 teams) on site
• 2019.11.07 DefCamp CTF 2019 Finals(2nd place/16 teams) on site
• 2019.11.02 Google CTF 2019 Finals(4th place/10 teams) on site
• 2019.10.19 SECCON Quals 2019(4th place/799 teams)
• 2019.10.12 HITCON Quals 2019(20th place/662 teams)
• 2019.09.21 Dragon CTF Teaser 2019(2nd place/297 teams)
• 2019.09.14 RealWorld CTF Quals 2019(21st place/576 teams)
• 2019.09.07 TrendMicro Quals 2019(3rd place/70 teams)
• 2019.09.07 DCTF Quals 2019(8th place/306 teams)
• 2019.09.02 TokyoWesterns CTF 2019(15th place/1005 teams)
• 2019.04.07 Spam&Flags Teaser 2019(2nd place/176 teams)
• 2019.03.23 0CTF 2019 Quals(23rd place/915 teams)
• 2019.03.17 CONFidence 2019 Teaser(organisers)
• 2019.01.19 InsomniHack quals(1st place/236 teams)

2018

• 2018.12.15 Trend Micro CTF 2018 Finals(2nd place/13 teams) on site
• 2018.12.08 hxp 2018(2nd place/297 teams)
• 2018.12.01 Real World CTF 2018 Finals(8th place/20 teams) on site
• 2018.11.24 ASIS 2018 Finals(7th place/182 teams)
• 2018.11.08 Defcamp Finals 2018(2nd place /17 teams) on site
• 2018.10.20 HITCON CTF 2018(13th place / 1167 teams)
• 2018.10.06 Hackover CTF 2018(3rd place / 201 teams)
• 2018.09.29 Dragon CTF 2018 Quals(2nd place / 233 teams)
• 2018.09.15 Trend Micro CTF 2018 Quals(4th place / 165 teams)
• 2018.09.13 SCS CTF 2018(2nd place / 10 teams)
• 2018.09.01 Tokyo Westerns CTF 2018(6th place / 810 teams)
• 2018.08.18 WhiteHat GrandPrix 2018 Quals(11th place / 361 teams)
• 2018.08.16 Hackon 2018(1st place / 461 teams)
• 2018.07.28 Real World CTF 2018 Quals(6th place / 109 teams)
• 2018.07.28 CODE BLUE CTF 2018 Quals(17th place / 542 teams)
• 2018.07.21 CTFZone 2018 Quals(3rd place / 637 teams)
• 2018.07.13 Meepwn CTF Quals 2018(2nd place / 753 teams)
• 2018.06.23 Google CTF 2018 Quals(6th place / 220 teams)
• 2018.06.16 Midnight Sun CTF Finals 2018(4th place / 14 teams) on site
• 2018.05.31 Security Fest CTF 2018(2nd place / 546 teams)
• 2018.04.21 Star CTF 2018(5th place / 146 teams)
• 2018.04.15 BSidesSF CTF 2018(9th place / 140 teams)
• 2018.04.14 Midnight Sun CTF Quals 2018(3rd place / 438 teams)
• 2018.04.11 HITB-XCTF GSEC CTF 2018 Quals(40th place / 344 teams)
• 2018.03.30 Nuit du Hack CTF Quals 2018(1st place / 490 teams)
• 2018.03.24 Securinets CTF Quals 2018(5th place / 216 teams)
• 2018.03.18 Backdoor CTF 2018(2nd place / 123 teams)
• 2018.03.10 N1 CTF 2018(4th place / 517 teams)
• 2018.02.03 Codegate 2018 Quals
• 2018.01.20 InsomniHack Teaser 2018 (4th place / 433 teams)

2017

• 2017.12.09 34C3 CTF (14th place / 187 teams)
• 2017.12.09 SECCON 2017 Quals (7th place / 1028 teams)
• 2017.11.09 Defcamp D-CTF 2016 Finals (2nd place / 11 teams) on site
• 2017.11.04 HITCON 2017 Quals (24th place / 1075 teams)
• 2017.10.06 KasperskyLab Industrial CTF Quals 2017 (4th place / 227 teams)
• 2017.10.01 DefCamp D-CTF 2017 Quals (5th place / 471 teams)
• 2017.09.17 EKO Party 2017 (5th place / 184 teams)
• 2017.09.02 Tokyo Westerns CTF 2017 (12th place / 901 teams)
• 2017.08.25 HackIT 2017 (4th place / 338 teams)
• 2017.07.15 CTFZone 2017 Quals (3rd place / 55 teams)
• 2017.06.17 Google CTF 2017 Quals (17th place / 1977 teams)
• 2017.05.20 CONFidence CTF 2017 (2nd place / 21 teams)
• 2017.04.21 Plaid CTF 2017 (19th place / 1150 teams)
• 2017.04.02 Confidence CTF Teaser 2017 (10th place / 258 teams)
• 2017.04.01 Nuit du Hack CTF Quals 2017 (5th place / 378 teams)
• 2017.03.25 InsomniHack 2017 (7th place / 68 teams) on site
• 2017.03.18 0CTF Quals 2017 (24th place / 908 teams)
• 2017.02.25 Boston Key Party 2017 (6th place / 948 teams)
• 2017.02.12 BsidesSF CTF 2017 (6th place / 686 teams)
• 2017.02.10 Codegate 2017 prequals (17th place / 300 teams)
• 2017.02.04 BITSCTF 2017 (4th place / 275 teams)
• 2017.02.03 AlexCTF 2017 (1st place / 977 teams)
• 2017.01.21 InsomniHack Teaser CTF 2017 (4th place / 339 teams)

2016

• 2016.12.27 33C3 CTF 2016 (15th place / 278 teams)
• 2016.12.17 3DSCTF 2016 (8th place / 536 teams)
• 2016.12.10 Sharif CTF 7 2016 (8th place / 700 teams)
• 2016.12.10 Whitehat 2016 GP (22nd place / 111 teams)
• 2016.12.10 SECCON 2016 Quals (22nd place / 930 teams)
• 2016.12.02 HITCON 2016 Finals (6th place / 13 teams) on site
• 2016.11.25 Juniors CTF 2016 (35th place / 310 teams)
• 2016.11.19 RC3 CTF 2016 (46th place / 663 teams)
• 2016.11.18 Trend Micro CTF 2016 Finals (2nd place / 10 teams) on site
• 2016.11.17 Qiwi-Infosec CTF-2016 (6th place / 234 teams)
• 2016.11.10 Defcamp D-CTF 2016 Finals (4th place / 16 teams) on site
• 2016.11.05 Hack The Vote CTF 2016 (6th place / 1030 teams)
• 2016.10.26 Ekoparty CTF 2016 (8th place / 721 teams)
• 2016.10.23 ECTF 2016 (2nd place / 20 teams)
• 2016.10.01 TUM CTF 2016 (5th place / 435 teams)
• 2016.09.24 Defcamp CTF Quals 2016 (1st place / 116 teams)
• 2016.09.16 CSAW CTF 2016 Quals (7th place / 1273 teams)
• 2016.09.09 ASIS CTF Finals 2016 (5th place / 343 teams)
• 2016.09.05 Tokyo Westerns/MMA CTF 2nd 2016 (6th place / 835 teams)
• 2016.08.21 BioTerra CTF 2016 (1st place / 150 teams)
• 2016.07.30 Trendmicro CTF 2016 (10th place / 281 teams)
• 2016.07.09 Secuinside CTF 2016 (17th place / 395 teams)
• 2016.06.04 Backdoor CTF 2016 (1st place / 215 teams)
• 2016.05.01 Google CTF 2016 (14th place / 911 teams)
• 2016.04.15 Plaid CTF 2016 (14th place / 815 teams)
• 2016.04.14 Confidence Teaser CTF 2016 (10th place / 44 teams)
• 2016.04.01 Nuit du Hack CTF Quals 2016 (29th place / 447 teams)
• 2016.03.26 Pwn2Win CTF 2016 (1st place / 312 teams)
• 2016.03.26 Volga CTF 2016 Quals (15th place / 199 teams)
• 2016.03.19 BCTF 2016 (18th place / 588 teams)
• 2016.03.18 Insomnihack CTF 2016 (5th place / 62 teams) on site
• 2016.03.12 0CTF 2016 (13th place / 874 teams)
• 2016.03.06 Boston Key Party CTF 2016 (10th place / 734 teams)
• 2016.02.20 Internetwache CTF 2016 (8th place / 647 teams)
• 2016.02.05 SharifCTF CTF 2016 (7th place / 448 teams)
• 2016.01.29 HackIM (Nullcon) CTF 2016 (18th place / 535 teams)
• 2016.01.23 Break In 2016 (2nd place / 152 teams)
• 2016.01.16 InsomniHack Teaser CTF 2016 (9th place / 245 teams)

2015

• 2015.12.27 32c3 CTF 2015 (46th place / 389 teams)
• 2015.12.05 SECCON CTF 2015 (12th place / 872 teams)
• 2015.11.28 9447 Security Society CTF 2015 (21st place / 595 teams)
• 2015.11.20 Defcamp CTF Finals 2015 (11th place / 15 teams out of 378 teams) on site
• 2015.10.22 Ekoparty CTF 2015 (28th place / 356 teams)
• [2015.10.20 Hack.lu CTF 2015 (17th place / 248 teams)](2015-10-20 hacklu)
• 2015.10.18 Hitcon CTF 2015 (22th place / 382 teams)
• 2015.10.10 ASIS CTF Finals 2015 (17th place / 197 teams)
• 2015.10.02 Defcamp CTF Qualification 2015 (17th place / 378 teams)
• 2015.09.26 Trend Micro CTF Asia Pacific & Japan 2015 Online Qualifier 2015 (81st place / 359 teams)
• 2015.09.16 CSAW CTF Qualification Round 2015 (48th place / 1364 teams)
• 2015.09.05 MMA CTF 1st 2015 (49th place / 672 teams)