Also known as
  • MINUS
  • PLUS@Postech
  • POSTECH PLUS

Academic team POSTECH

Website: https://ctftime.org/team/32892

Website: https://plus.or.kr

Sign in to join the team.



PLUS, POSTECH Laboratory for Unix Security.

We use teamname "MINUS" when playing just for fun. ( *Minor's* intended )

Participated in CTF events

Overall rating place: 4690 with 2.118 pts in 2024

Country place: 30

PlaceEventCTF pointsRating points
127Real World CTF 6th32.00002.118

Overall rating place: 878 with 50.537 pts in 2023

Country place: 16

PlaceEventCTF pointsRating points
11WACON 2023 Final2124.00005.085
92Crypto CTF 2023285.00006.697
39hxp CTF 2022565.000013.815
10pbctf 20231702.000019.479
52idekCTF 2022*3784.00004.717
378Real World CTF 5th34.00000.745

Overall rating place: 117 with 202.455 pts in 2022

Country place: 2

PlaceEventCTF pointsRating points
45ASIS CTF Finals 2022305.000010.923
78HTB University CTF 2022 : Supernatural Hacks1925.00006.406
32HITCON CTF 20221390.000022.329
29SECCON CTF 2022 Quals1544.000037.738
17HK Cyber Security New Generation CTF Challenge 20222535.000018.276
19N1CTF 20221182.000010.092
25Hack.lu CTF 20221779.000025.509
24SekaiCTF 20223361.00008.601
80CSAW CTF Qualification Round 20222824.00007.708
32Balsn CTF 2022900.000011.597
13MapleCTF 20223498.000010.797
30Hacker's Playground 20221539.00007.890
15corCTF 20222729.00009.505
6UIUCTF 20226145.000027.572
63Google Capture The Flag 2022788.000011.724
696ångstromCTF 2022280.00003.377
78PlaidCTF 2022201.00007.475
42LINE CTF 2022568.00003.334
5zer0pts CTF 20223001.000025.990
40FooBar CTF 20221179.00004.534
10Hayyim CTF 20221879.00008.586
66DiceCTF 2022892.00003.848

Overall rating place: 532 with 63.529 pts in 2021

Country place: 12

PlaceEventCTF pointsRating points
75HITCON CTF 2021302.00005.293
10Balsn CTF 20211202.000013.047
114pbctf 2021274.00001.506
138Hacker's Playground 2021331.00001.698
119UIUCTF 2021758.00001.838
47Google Capture The Flag 20211065.000018.345
450CTF/TCTF 2021 Quals 922.000010.614
102Hack-A-Sat 2 Qualifiers137.00001.467
528Pwn2Win CTF 202150.00000.770
35OMH 2021 CTF536.00004.867
56DiceCTF 2021845.00004.854
79Real World CTF 3rd41.00000.930

Overall rating place: 477 with 67.811 pts in 2020

Country place: 16

PlaceEventCTF pointsRating points
350Dragon CTF 202042.00001.118
8Balsn CTF 20203350.000013.196
21N1CTF 20202384.00009.515
75Google Capture The Flag 2020602.00009.391
6UIUCTF 20204010.000013.962
11zer0pts CTF 20208938.000020.169
525riceteacatpanda625.00000.460

Overall rating place: 372 with 65.088 pts in 2019

Country place: 19

PlaceEventCTF pointsRating points
49TastelessCTF 2019155.00001.277
10PwnThyBytes CTF 20192131.00009.886
7N1CTF 20194544.000019.376
351Crypto CTF 201920.00000.176
452CyBRICS CTF Quals 201920.00000.190
42ISITDTU CTF 2019 Quals2796.00004.877
168ASIS CTF Quals 201955.00000.961
433SwampCTF 201960.00000.208
70CONFidence CTF 2019 Teaser253.00002.677
310UCSB iCTF 201951.830017.969
183Pragyan CTF 2019500.00003.272
61Insomni'hack teaser 2019234.00004.586

Overall rating place: 216 with 85.398 pts in 2018

Country place: 13

PlaceEventCTF pointsRating points
16635C3 CTF50.00001.766
47SECCON 2018 Online CTF1822.000011.736
191CSAW CTF Qualification Round 20181076.00006.018
57TokyoWesterns CTF 4th 2018966.000015.106
812TJCTF 201825.00000.294
40Meepwn CTF Quals 20181740.00004.818
241ASIS CTF Quals 201875.00000.932
40UCSB iCTF 201853723.000030.657
257Pragyan CTF 2018450.00001.077
80Harekaze CTF 2018430.00003.712
228EasyCTF IV1221.00000.000
101nullcom HackIM 2018400.00001.445
84SharifCTF 8650.00007.271
93Insomni'hack teaser 2018177.00002.870

Overall rating place: 227 with 63.850 pts in 2017

Country place: 20

PlaceEventCTF pointsRating points
103TUCTF 20171351.00006.130
236RC3 CTF 2017100.00000.454
249hxp CTF 20171.00000.121
18CSAW CTF Final Round 20171301.00008.025
29CODE BLUE CTF 20171106.00005.297
10CSAW CTF Qualification Round 20174776.000020.752
4SECUINSIDE CTF Quals 20174408.000017.566
298UCSB iCTF 20176338.22280.195
319Boston Key Party CTF 20171.00000.201
32Insomni'hack teaser 2017650.00005.108

Overall rating place: 119 with 124.647 pts in 2016

Country place: 6

PlaceEventCTF pointsRating points
9533C3 CTF500.00007.438
66SECCON 2016 Online CTF1100.00005.531
125CSAW CTF Qualification Round 20161226.00005.948
54ASIS CTF Finals 2016393.00006.061
18SECUINSIDE CTF Quals 2016983.00005.353
462Google Capture The Flag 2016125.00000.631
161PlaidCTF 2016276.00006.013
219BCTF 201610.00000.215
23Codegate CTF 2016 Quals3875.000036.396
930CTF 2016 Quals3.00001.966
120Boston Key Party CTF 201613.00008.625
42SSCTF 2016 Quals1610.00003.357
24Internetwache CTF 20162100.00005.208
9Sharif University CTF 20163850.000027.320
414HackIM 2016700.00000.419
68Insomni'hack teaser 2016300.00004.165

Overall rating place: 181 with 60.269 pts in 2015

Country place: 6

PlaceEventCTF pointsRating points
36532C3 CTF150.00001.620
69CSAW CTF Qualification Round 20153410.000020.463
75DEF CON CTF Qualifier 20159.000015.411
91PlaidCTF 2015461.00008.387
238BackdoorCTF 20150.00000.000
35Codegate CTF Preliminary 2015900.00009.509
399Boston Key Party CTF 2015135.00001.407
153Ghost in the Shellcode 2015201.00003.473

Overall rating place: 89 with 123.697 pts in 2014

Country place: 6

PlaceEventCTF pointsRating points
129Sharif University CTF 2014630.00003.478
783CSAW CTF Qualification Round 2014330.00002.266
34SECUINSIDE CTF Quals 2014800.000031.394
44DEF CON CTF Qualifier 201413.000025.923
141PlaidCTF 2014331.00003.799
14Codegate CTF Finals 2014500.00004.610
10Codegate CTF Preliminary 20143100.000046.383
116PHD CTF Quals 20146400.00005.843

Overall rating place: 91 with 150.408 pts in 2013

Country place: 5

PlaceEventCTF pointsRating points
52Sharif University CTF 20131270.00005.847
340CSAW CTF Qualification Round 20131500.00007.435
18EBCTF 20132000.000034.912
59DEF CON CTF Qualifier 201330.000037.525
11Codegate CTF Preliminary 20135100.000064.689

Overall rating place: 169 with 45.770 pts in 2012

Country place: 10

PlaceEventCTF pointsRating points
26Codegate CTF Preliminary 20123301.000045.770

Overall rating place: 11 with 256.000 pts in 2011

PlaceEventCTF pointsRating points
8DEF CON CTF 20110.00000.000
12DEF CON CTF Qualifier 20113800.00000.000
2Codegate CTF Finals 201132.00000.000

Team members

Team writeups

EventTaskAction
Balsn CTF 2020IdleGame [857]read writeup
UIUCTF 2020Bot Protection IV [500]read writeup
CODE BLUE CTF 2018 Qualslittle riddle [363]read writeup
CODE BLUE CTF 2018 QualsOdin Part 1 [334]read writeup
Meepwn CTF Quals 2018Old School [740]read writeup
Meepwn CTF Quals 2018Bazik [100]read writeup
Meepwn CTF Quals 2018Ezchallz [100]read writeup
PlaidCTF 2018garbagetruck [300]read writeup
CSAW CTF Qualification Round 2017Prophecy [200]read writeup
CSAW CTF Qualification Round 2017pilot [75]read writeup
CSAW CTF Qualification Round 2017tableEZ [100]read writeup
Tokyo Westerns CTF 3rd 2017Rev Rev Rev [25]read writeup
SHA2017 CTFasby [100]read writeup
SECUINSIDE CTF Quals 2017snake [267]read writeup
SECUINSIDE CTF Quals 2017R-BOX [1000]read writeup