CTFtime.org

CN 0ops

Also known as
  • SecParty
  • 0ops_XCTF
  • _0ops_

Academic team Shanghai Jiao Tong University

Website: https://github.com/0ops

Website: https://0ops.sjtu.cn

Sign in to join the team.



We are 0ops, a security research group located at Shanghai Jiao Tong University.

Participated in CTF events

Overall rating place: 89 with 310.030 pts in 2024

Country place: 6

PlaceEventCTF pointsRating points
12N1CTF 2024984.000025.385
10Hack.lu CTF 20241912.000052.851
54Blue Water CTF 2024340.00008.935
20BRICS+ CTF Quals 20241553.00008.493
10m0leCon CTF 2025 Teaser1465.000034.272
23WMCTF20241275.000014.171
4SekaiCTF 20244384.000037.642
6idekCTF 20244338.000037.560
25CTFZone 2024 Quals1658.000017.223
26DownUnderCTF 20245518.000034.399
2R3CTF/YUANHENGCTF 202415700.000031.170
8Codegate CTF 2024 Preliminary3598.000025.358

Overall rating place: 17 with 609.110 pts in 2023

Country place: 3

PlaceEventCTF pointsRating points
2m0leCon CTF 20232999.000073.812
9CTFZone 2023 Final2143.00000.000
60Hack.lu CTF 2023500.000010.672
4WACON 2023 Final3860.000020.602
21BRICS+ CTF Quals 2023400.00003.256
8ASIS CTF Quals 20231610.000041.084
3WACON 2023 Prequal3314.000028.228
6CTFZone 2023 Quals5094.000069.390
1*CTF 20237174.040048.000
52zer0pts CTF 2023868.000011.827
3Codegate CTF 2023 Preliminary5561.000027.504
120SCTF-2023341.00000.723
131justCTF 2023223.00002.099
79Grey Cat The Flag 2023 Qualifiers550.00002.153
15VolgaCTF 2023 Qualifier1508.000015.988
90p4ctf 2023 teaser26.00001.184
3m0leCon CTF 2023 Teaser2576.000066.118
5D^3CTF 20237290.200024.913
14Midnight Sun CTF 2023 Quals3771.000030.061
33LINE CTF 2023452.00004.185
30Real World CTF 5th435.00009.490

Overall rating place: 27 with 481.992 pts in 2022

Country place: 4

PlaceEventCTF pointsRating points
24RCTF 20224828.400024.189
81SECCON CTF 2022 Quals502.000012.381
70N1CTF 2022108.00001.658
130ASIS CTF Quals 2022165.00004.541
13Balsn CTF 20221912.000025.199
20WMCTF20221807.00008.522
1Azure Assassin Alliance CTF 202217000.000047.600
3justCTF 20225315.000040.504
1*CTF 202211201.000050.000
16Midnight Sun CTF 2022 Quals1738.00009.014
2D^3CTF 202210435.610026.565
17Codegate CTF 2022 Preliminary4605.000014.033
2SUSCTF 202210940.000035.840
35DiceCTF 20221386.00006.104
11Real World CTF 4th1039.000018.061

Overall rating place: 18 with 558.055 pts in 2021

Country place: 5

PlaceEventCTF pointsRating points
3N1CTF 20216919.000055.406
83L3HCTF 2021321.00000.897
29Hack.lu CTF 20211426.000027.494
128ASIS CTF Quals 2021132.00004.452
17pbctf 20211660.00009.265
2RCTF 202114398.000087.605
180TMUCTF 2021498.00000.771
32ALLES! CTF 20211193.000011.285
44WMCTF 2021525.00002.477
32CyBRICS CTF 20211519.000012.167
12OMH 2021 CTF1602.000014.474
418Cyber Apocalypse 20214675.00005.847
16PlaidCTF 20212641.000049.289
20Midnight Sun CTF 2021 Quals1694.000018.985
179ångstromCTF 20211275.00009.519
24VolgaCTF 2021 Qualifier1836.000017.169
273UMassCTF 2021434.00001.393
1D^3CTF 202115730.140045.000
3DiceCTF 20213896.000028.610
3justCTF [*] 20203551.000029.922
1*CTF 202111607.000050.000
5Real World CTF 3rd2054.000030.514

Overall rating place: 16 with 598.371 pts in 2020

Country place: 3

PlaceEventCTF pointsRating points
15pbctf 20201724.00009.312
46HITCON CTF 2020832.000018.303
41Dragon CTF 2020967.000021.679
17Balsn CTF 20201939.00007.300
1N1CTF 202011002.000072.000
6Codegate CTF 2020 Finals5959.00000.000
3GACTF14800.00000.000
6WMCTF 20207298.000016.729
34CyBRICS CTF 20201040.00004.375
6Geekpwn x Tencent YDLAB Cloud Range Challenge 2020 Quals4525.000022.633
5SCTF-XCTF 20208520.00000.000
18ASIS CTF Quals 20201952.000029.796
52020 Defenit CTF8001.000015.441
2RCTF 202010188.000065.771
3De1CTF 202010511.000030.247
19Midnight Sun CTF 2020 Quals1879.000018.806
3VolgaCTF 2020 Qualifier3460.000037.890
16CONFidence CTF 2020 Teaser909.000014.228
5Codegate CTF 2020 Preliminary6166.000015.043
83Insomni'hack teaser 2020166.00004.608

Overall rating place: 28 with 423.166 pts in 2019

Country place: 4

PlaceEventCTF pointsRating points
1D^3CTF 201914314.20000.000
9ASIS CTF Finals 20193401.000065.734
5Hack.lu CTF 20195404.000056.936
157Balsn CTF 2019106.00000.491
31Real World CTF 2019 Quals421.00004.657
6N1CTF 20194809.000020.884
2De1CTF 20199117.000031.859
14CyBRICS CTF Quals 20191301.000010.582
31RCTF 20192165.00007.933
4*CTF 201910518.000027.933
38ASIS CTF Quals 2019822.000010.531
30SpamAndFlags Teaser 201910.00000.881
21Midnight Sun CTF 2019 Quals3463.000012.462
15VolgaCTF 2019 Qualifier1850.000017.218
49CONFidence CTF 2019 Teaser352.00003.737
83Insomni'hack teaser 2019147.00002.954

Overall rating place: 27 with 349.774 pts in 2018

Country place: 4

PlaceEventCTF pointsRating points
17BCTF 20182401.00006.012
8CTFZONE 2018 Finals1956.47417.649
16HCTF 20183871.540010.594
29SECCON 2018 Online CTF2489.000016.232
4Hack.lu CTF 20184564.000080.273
37Teaser Dragon CTF 2018473.00005.938
91CSAW CTF Qualification Round 20181976.000011.093
19TokyoWesterns CTF 4th 20182071.000033.588
3Meepwn CTF Final 20185000.000024.359
10CTFZone 2018 Quals2021.000011.674
10Meepwn CTF Quals 20184920.000014.343
23Google Capture The Flag 2018 (Quals)1956.000025.650
1*CTF 201811628.000050.000
5UIUCTF 20181652.000013.945
42Nuit du Hack CTF Quals 20181451.000017.191
5N1CTF 20186593.000020.043
16Harekaze CTF 20181530.000013.637
61nullcom HackIM 2018851.00002.996
24SharifCTF 81463.000017.011
64Insomni'hack teaser 2018257.00004.167

Overall rating place: 26 with 276.013 pts in 2017

Country place: 4

PlaceEventCTF pointsRating points
8CTFZone 2017 Finals3716.000015.022
19CODE BLUE CTF 20171423.00007.020
27HITCON CTF 2017 Quals2326.000031.367
7Hack.lu CTF 20174388.000053.691
206DefCamp CTF Qualification 201714.00000.132
73CSAW CTF Qualification Round 20172526.000010.011
25HITB CTF Singapore 20172927.00006.615
242SHA2017 CTF300.00001.607
4CTFZone 20176910.000018.136
27MeePwn CTF 1st 2017901.00003.503
26PoliCTF 20171492.00007.515
6Nuit du Hack CTF Finals 201717202.00007.362
13Google Capture The Flag 2017 (Quals)3648.000016.076
4RCTF 20179335.000020.794
12BCTF 20173232.00007.814
10Nuit du Hack CTF Quals 20172295.000025.177

Overall rating place: 25 with 466.411 pts in 2016

Country place: 2

PlaceEventCTF pointsRating points
13SECCON 2016 Online CTF3500.000018.462
8HITCON CTF 2016 Final14608.520014.998
11Hack.lu CTF 20161669.000045.276
10HITCON CTF 2016 Quals3500.000048.096
17CSAW CTF Qualification Round 20163876.000019.631
40Trend Micro CTF 2016 Online Qualifier1000.00006.352
6Nuit du Hack CTF Finals 2016-13091.00000.000
40ALICTF 2016400.00001.608
5Belluminar 2016962.00000.000
12ASIS CTF Quals 20161249.000016.705
8Codegate CTF Finals 20161383.00000.000
73Google Capture The Flag 20161255.00006.154
5Nuit du Hack CTF Quals 20162800.000039.777
8BCTF 20162941.000022.749
9Codegate CTF 2016 Quals4248.000042.473
12SunshineCTF 20161055.00003.186
7960CTF 2016 Quals1.00000.560
18SSCTF 2016 Quals2610.00005.597
124Internetwache CTF 20161270.00003.064
460HackIM 2016400.00000.243

Overall rating place: 3 with 1088.711 pts in 2015

Country place: 1

PlaceEventCTF pointsRating points
732C3 CTF4150.000049.524
22FAUST CTF 201510871.00003.174
3RCTF 2015 Finals23935.180018.142
196SECCON 2015 Online CTF1000.00004.898
4HITCON CTF 2015 Final27388.030034.972
119447 Security Society CTF 20152927.000021.422
41RuCTFE 20151038328.91008.768
60Hack Dat Kiwi 2015925.00005.743
3RCTF 2015 Quals3930.000030.022
3Belluminar 20151.00000.000
57EKOPARTY CTF 2015990.00009.669
8Hack.lu CTF 20155510.000059.574
3HITCON CTF 2015 Quals3840.000054.762
10ASIS CTF Finals 20152351.000022.804
57Defcamp CTF Qualification 20151700.00003.827
4Trend Micro CTF Asia Pacific & Japan 2015 Online Qualifier4505.000020.521
34CSAW CTF Qualification Round 20154910.000029.806
28MMA CTF 1st 20151500.000011.773
6DEF CON CTF 201511306.000051.100
88PoliCTF 2015800.00005.194
9DEF CON CTF Qualifier 201542.000076.316
9ASIS CTF Quals 20153876.000023.552
58VolgaCTF 2015 Quals1850.00007.600
99Teaser CONFidence CTF 2015150.00000.363
5PlaidCTF 20153539.000073.054
1Codegate CTF Finals 20155580.0000120.000
12Nuit du Hack CTF Quals 20152700.000029.675
20BackdoorCTF 20152080.000016.888
6BCTF 20152733.000028.413
6Codegate CTF Preliminary 20154740.000051.214
17Boston Key Party CTF 20153470.000035.834
10Break In 2015400.00002.167
13SECCON CTF 2014 Finals1116.00009.738
6Ghost in the Shellcode 20153601.000066.182
96HackIM 20151800.00002.019

Overall rating place: 26 with 402.951 pts in 2014

Country place: 2

PlaceEventCTF pointsRating points
1431C3 CTF270.000026.356
18RuCTFE 2014124761.02009.375
19Ghost in the Shellcode Teaser 20151.00001.930
5SECCON CTF 2014 Online Qualifications5700.000025.028
109447 Security Society CTF 20143790.000024.740
38CSCAMP CTF Quals 20141700.00002.185
2Hack.lu CTF 20147636.000095.214
337Defcamp CTF Qualification 2014500.00000.486
419Sharif University CTF 20140.00000.000
154CSAW CTF Qualification Round 20142160.000014.756
6HITCON CTF 20144592.000031.245
22Pwnium CTF 20142336.000011.680
22SECUINSIDE CTF Quals 2014900.000036.061
30DEF CON CTF Qualifier 201419.000037.898
18ASIS CTF Quals 2014981.00006.405
26PlaidCTF 20142516.000027.720
75Nuit du Hack CTF Quals 2014650.00008.787
157backdoorCTF 2014215.00002.185
158backdoorCTF 2014215.00002.185
84Codegate CTF Preliminary 2014900.000012.267
34Olympic CTF Sochi 20141130.000014.679
69PHD CTF Quals 201413100.000011.771

Overall rating place: 102 with 129.747 pts in 2013

Country place: 2

PlaceEventCTF pointsRating points
50UCSB iCTF 20134204.000045.007
46CSCAMP CTF Quals 20131640.00001.903
57Hack.lu CTF 20131403.000023.298
171Sharif University CTF 20130.00000.000
28CSAW CTF Qualification Round 20136600.000033.624
74ASIS CTF Finals 2013182.00001.287
28SIGINT CTF 20131200.000011.622
23Boston Key Party CTF 20131200.000013.007

Organized CTF events

NameWeight
0CTF 2024100.00
0CTF/TCTF 2023100.00
0CTF/TCTF 2022100.00
0CTF/TCTF 2021 Finals95.00
0CTF/TCTF 2021 Quals 86.71
0CTF/TCTF 2020 Finals100.00
0CTF/TCTF 2020 Quals 99.55
0CTF/TCTF 2019 Finals100.00
0CTF/TCTF 2019 Quals79.56
0CTF/TCTF 2018 Finals66.75
0CTF/TCTF 2018 Quals55.74
0CTF 2017 Finals45.00
0CTF 2017 Quals40.74
0CTF 2016 Finals45.00
0CTF 2016 Quals40.74
0CTF 2015 Finals20.00
0CTF 2015 Quals30.00

Team members

Team writeups

EventTaskAction
0CTF/TCTF 2022interweave - level1 [211]read writeup
0CTF/TCTF 2021 Quals 2rm1 [1000]read writeup
0CTF/TCTF 2021 Quals 1linephp [366]read writeup
Real World CTF 3rdRe:Montagy [378]read writeup
0CTF/TCTF 2020 Quals PyAuCalc [407]read writeup
0CTF/TCTF 2020 Quals simple echoserver [289]read writeup
Codegate CTF 2020 PreliminaryRS [670]read writeup
Codegate CTF 2020 PreliminaryPolynomials [810]read writeup
VolgaCTF 2019 QualifierPyTFM [100]read writeup
0CTF/TCTF 2019 QualsBabysandbox [1000]read writeup
Hack.lu CTF 2018Baby PHP [153]read writeup
CSAW CTF Qualification Round 2018No Vulnerable Services [400]read writeup
CSAW CTF Qualification Round 2018plc [300]read writeup
TokyoWesterns CTF 4th 2018REVersiNG [447]read writeup
0CTF/TCTF 2018 Finalsvtp2 read writeup
PlaidCTF 2018Transducipher [350]read writeup
Codegate CTF 2018 PreliminaryrbSql [212]read writeup
Codegate CTF 2018 PreliminarySimpleCMS [193]read writeup
CODE BLUE CTF 2017guestroom [410]read writeup
CODE BLUE CTF 2017SSR [399]read writeup
CTFZone 2017Signature server [872]read writeup
PoliCTF 2017HanoiPub [484]read writeup
PoliCTF 2017Kompreplicants [446]read writeup
CSAW CTF Qualification Round 2015Bricks of Gold [500]read writeup
Codegate CTF Preliminary 2015dodocrackme2 [400]read writeup
Pwnium CTF 2014NoDebug [200]read writeup
Hack.lu CTF 2013BREW'r'Y [350]read writeup
Hack.lu CTF 2013BREW'r'Y [350]read writeup
Hack.lu CTF 2013Geolocation Flag [222]read writeup