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IN bi0s

Also known as
  • Team bi0s
  • BIOS
  • Amrita-bi0s
  • amritabi0s
  • teambi0s

Academic team Amrita University, Amritapuri Campus

Website: https://blog.bi0s.in

Website: https://bi0s.in/

Twitter: https://twitter.com/teambi0s

Sign in to join the team.



CTF team from Amrita Vishwa Vidyapeetham, Amritapuri

Participated in CTF events

Overall rating place: 20 with 397.782 pts in 2020

Country place: 1

PlaceEventCTF pointsRating points
1DarkCTF25150.00000.000*
60TokyoWesterns CTF 6th 2020810.000017.579
33CSAW CTF Qualification Round 20202755.000038.688
17ALLES! CTF 20201661.00009.579
4FwordCTF 202016624.000027.499
32Google Capture The Flag 20201623.000024.971
60Crypto CTF 2020251.00001.828
25ENOWARS 423289.44157.331
24FAUST CTF 202013796.836220.587
30ASIS CTF Quals 20201173.000017.902
570CTF/TCTF 2020 Quals 564.00007.864
9BatPwn - BSides Ahmedabad CTF 20204087.000014.206
152020 Defenit CTF5178.00008.818
10HSCTF 713084.000021.169
16Pwn2Win CTF 20201654.000025.595
104Hack-A-Sat Qualifiers193.00001.457
61DEF CON CTF Qualifier 2020560.00008.665
33S㎩mAndFlags Uけimate w呎は屸de C㏊mᒆonship Teaser ꕫꕫ - ㎩㏚i㎄ Edition748.00003.638
19De1CTF 20203946.00009.595
1IJCTF 202013907.000047.720
48PlaidCTF 20201501.000024.308
2Byte Bandits CTF 20206718.000051.332
39Midnight Sun CTF 2020 Quals1166.000011.410
65VolgaCTF 2020 Qualifier960.00007.984
66saarCTF 20205520.64682.140
24TAMUctf 20208564.00000.000
28CONFidence CTF 2020 Teaser488.00007.692
49UCSB iCTF 202090045.27003.919
12Aero CTF 20204293.000016.120
6nullcon HackIM 20204471.000028.600
68RundergroundCTF #13860.72002.637
14HackTM CTF Quals 20205324.000014.242
36Insomni'hack teaser 2020337.00009.529

Overall rating place: 22 with 466.003 pts in 2019

Country place: 1

PlaceEventCTF pointsRating points
252#kksctf open 2019300.00000.579
622OverTheWire Advent Bonanza 201958.00000.168
53CTFZone 2019 Quals468.00003.110
94RuCTFE 20191201.49000.807
12ASIS CTF Finals 20192708.000051.910
35CSAW CTF Final Round 2019901.00008.122
11Hack.lu CTF 20193475.000034.020
18SECCON 2019 Online CTF3624.000024.233
44HITCON CTF 2019 Quals1673.000028.810
20Balsn CTF 20191698.00006.562
7CSAW CTF Qualification Round 20194351.000040.154
36TokyoWesterns CTF 5th 20191354.000038.319
37Crypto CTF 2019722.00004.536
2ISITDTU CTF 2019 Finals6183.000037.500
10De1CTF 20194947.000013.128
7CyBRICS CTF Quals 20191989.000016.988
28CInsects CTF 20193657.00007.555
18ENOWARS 35234.49087.947
1ISITDTU CTF 2019 Quals15132.000046.760
67Google Capture The Flag 2019 (Quals)695.000015.819
71Facebook CTF 20192538.00003.079
45FAUST CTF 20197811.30519.824
79DEF CON CTF Qualifier 2019566.00009.551
9*CTF 20195556.000014.232
21Blaze CTF 20192100.000016.190
3ASIS CTF Quals 20193997.000063.752
53PlaidCTF 20191361.000024.113
51SpamAndFlags Teaser 201910.00000.553
4AceBear Security Contest 20196012.000019.806
27Midnight Sun CTF 2019 Quals2795.000010.024
2ENCRYPT CTF3536.000028.485
26VolgaCTF 2019 Qualifier1450.000013.119
27Securinets CTF Quals 20198607.00008.858
1130CTF/TCTF 2019 Quals207.00003.749
32CONFidence CTF 2019 Teaser656.00006.795
33UCSB iCTF 201968.670024.693
6UTCTF 201919400.000021.672
5Pragyan CTF 20193275.000024.828
7Aero CTF 20194693.000020.186
124BSidesSF 2019 CTF201.00000.997
85TAMUctf 1913283.000022.317
163STEM CTF: Cyber Challenge 2019650.00005.281
3nullcon HackIM 20197570.000029.589
4FireShell CTF 20195292.000025.120
18Insomni'hack teaser 2019666.000013.423

Overall rating place: 37 with 310.788 pts in 2018

Country place: 1

PlaceEventCTF pointsRating points
5735C3 CTF384.000010.691
32hxp CTF 2018705.000010.011
33ASIS CTF Finals 2018677.00007.746
577Square CTF 2018194.00000.094
24CSAW CTF Final Round 20181876.000013.110
220SECCON 2018 Online CTF324.00002.115
26HITCON CTF 20181472.000021.178
13Hack.lu CTF 20182588.000040.801
85Teaser Dragon CTF 201878.00001.162
135DefCamp CTF Qualification 2018101.00000.819
55Trend Micro CTF 2018 - Raimund Genes Cup - Online Qualifier400.00001.514
12CSAW CTF Qualification Round 20184326.000026.078
7SEC-T CTF1179.000016.345
4HackIT CTF 20186842.000017.867
8noxCTF 201811769.000014.862
305IceCTF 20181385.00006.254
34TokyoWesterns CTF 4th 20181425.000022.566
10Codefest CTF 20181710.00004.924
81WhiteHat Grand Prix 2018 – Quals170.00001.677
23Hackcon 2018735.000011.734
62CODE BLUE CTF 2018 Quals38.00000.643
50Real World CTF 2018 Quals105.00001.543
3ISITDTU CTF 2018 Quals11055.000026.290
19CTFZone 2018 Quals1335.00007.391
41Meepwn CTF Quals 20181700.00004.706
107Security Fest CTF105.00001.605
75RCTF 2018826.00002.084
153DEF CON CTF Qualifier 2018411.00007.416
51PlaidCTF 2018626.000012.609
19ASIS CTF Quals 20181700.000018.848
19NoNameCon CTF Quals 2018100.00000.000
28*CTF 20182647.00006.584
100Blaze CTF 2018840.00002.915
34Midnight Sun CTF 2018 Quals410.00004.317
55WPICTF 2018963.00005.441
44HITB-XCTF GSEC CTF 2018 Quals1738.00003.404
11Byte Bandits CTF 2018871.00009.481
36UIUCTF 2018302.00002.353
25Sunshine CTF 20181951.00004.550
93INS'hAck 2018327.00001.530
760CTF/TCTF 2018 Quals240.00002.273
86Nuit du Hack CTF Quals 2018601.00007.204
5SwampCTF 20188109.000022.402
13Securinets CTF Quals 20185066.000017.999
216VolgaCTF 2018 Quals110.00000.949
9BackdoorCTF 20181925.000023.384
5b00t2root '181046.000010.541
79ångstromCTF 20181975.000012.110
116UCSB iCTF 201850827.000028.090
56N1CTF 2018937.00002.591
13Xiomara CTF 20181651.000014.425
433TAMUctf 18676.00002.606
95Harekaze CTF 2018380.00003.268
19nullcom HackIM 20181800.00006.641
14EvlzCTF1125.00008.588
18SharifCTF 81720.000020.285
17AceBear Security Contest 20182741.00007.349
60Insomni'hack teaser 2018262.00004.270

Overall rating place: 71 with 163.581 pts in 2017

Country place: 1

PlaceEventCTF pointsRating points
15934C3 CTF49.00001.199
35CSAW CTF Final Round 2017601.00003.780
121HITCON CTF 2017 Quals463.00006.306
84Hack.lu CTF 2017918.000010.243
51Hack Dat Kiwi 2017625.00004.736
49DefCamp CTF Qualification 2017457.00002.334
27BackdoorCTF 20171800.000019.972
14Codefest CTF 20171230.00004.229
73EKOPARTY CTF 20171465.00006.724
25CSAW CTF Qualification Round 20173626.000014.871
8SEC-T CTF2830.000022.825
44ASIS CTF Finals 2017640.00005.916
84Tokyo Westerns CTF 3rd 2017376.00005.036
47HackCon 2017321.00005.088
179SHA2017 CTF500.00002.647
186Google Capture The Flag 2017 (Quals)204.00000.923
53SHA2017 CTF Teaser round150.00000.000
145DEF CON CTF Qualifier 201778.00002.370
122PlaidCTF 2017477.00008.018
18Insigne CTF165.00000.000
70ASIS CTF Quals 2017676.00005.260
41INS'hAck 2017848.00003.997
54Teaser CONFidence CTF 2017201.00000.989
74Nuit du Hack CTF Quals 2017620.00006.308
66VolgaCTF 2017 Quals1000.00005.660
2100CTF 2017 Quals45.00000.514
113UCSB iCTF 201712516.72520.464
71Pragyan CTF 2017810.00002.517
274Xiomara CTF 20171.00000.069
129Boston Key Party CTF 2017351.00004.946
79BSides San Francisco CTF1431.00005.303
75Hackcon Mini-5.00000.000
33nullcon HackIM 2550.00002.428
61Codegate 2017 prequals480.00004.771
25BITSCTF 2017440.00008.910
49AlexCTF2240.000015.709
34Insomni'hack teaser 2017650.00005.071

Overall rating place: 75 with 186.258 pts in 2016

Country place: 1

PlaceEventCTF pointsRating points
6933C3 CTF725.000010.717
96SharifCTF 7851.00005.455
741SECCON 2016 Online CTF100.00000.502
63Juniors CTF 20163000.00000.000
244RC3 CTF 2016790.00002.105
131Qiwi-Infosec CTF-2016400.00000.908
53Hack The Vote 20161251.00005.552
46EKOPARTY CTF 20161650.000014.773
109Hack.lu CTF 2016305.00007.865
120HITCON CTF 2016 Quals350.00004.694
41TUM CTF 2016684.00003.739
78DefCamp CTF Qualification 2016300.00001.535
238H4ckIT CTF 2016 Online430.00001.364
48CSAW CTF Qualification Round 20162736.000013.348
53WhiteHat Contest 12200.00001.194
19ASIS CTF Finals 20161249.000018.905
20Tokyo Westerns/MMA CTF 2nd 20162460.000022.785
443CTF(x) 20161.00000.000
33CyberSecRumbleDE 2016351.00003.113
17Hackcon 20161851.00009.945
233IceCTF 20161341.00000.000
191Trend Micro CTF 2016 Online Qualifier200.00001.275
67SECUINSIDE CTF Quals 2016201.00001.137
19WhiteHat Contest 11300.00006.227
88DEF CON CTF Qualifier 2016192.00004.429
44ASIS CTF Quals 2016587.00007.228
68Google Capture The Flag 20161330.00006.526
87PlaidCTF 2016677.000014.424
132Nuit du Hack CTF Quals 2016550.00006.655
488BCTF 201610.00000.131
5040CTF 2016 Quals1.00000.590
220Boston Key Party CTF 20166.00004.023
320Internetwache CTF 2016430.00001.039
98Insomni'hack teaser 2016300.00004.075

Overall rating place: 159 with 71.003 pts in 2015

Country place: 4

PlaceEventCTF pointsRating points
27932C3 CTF150.00001.679
2989447 Security Society CTF 201591.00000.682
242Hack Dat Kiwi 2015225.00001.398
349TUM CTF Teaser0.00000.000
56EKOPARTY CTF 2015990.00009.682
95Hack.lu CTF 2015790.00008.024
236HITCON CTF 2015 Quals1.00000.222
90Hackover CTF 2015296.00000.396
42ASIS CTF Finals 2015751.00006.959
31Defcamp CTF Qualification 20152550.00005.799
236Trend Micro CTF Asia Pacific & Japan 2015 Online Qualifier300.00001.118
55CSAW CTF Qualification Round 20153910.000023.526
33MMA CTF 1st 20151210.00009.557
36Camp CTF 2015875.00001.960

Overall rating place: 234 with 47.012 pts in 2014

Country place: 5

PlaceEventCTF pointsRating points
96CSCAMP CTF Quals 2014550.00000.716
206CSAW CTF Qualification Round 20141760.000012.006
702PlaidCTF 20141.00000.117
85backdoorCTF 2014855.00008.282
124RuCTF Quals 2014810.00005.761
170Codegate CTF Preliminary 2014350.00004.858
10HackIM 20146100.00008.821
21Break In 20143800.00006.064
108Break In 2014200.00006.451

Overall rating place: 189 with 62.784 pts in 2013

Country place: 3

PlaceEventCTF pointsRating points
34CSCAMP CTF Quals 20131910.00002.236
34rwthCTF 20139622.00007.002
335Hack.lu CTF 20133.00000.256
66Sharif University CTF 2013955.00004.411
155CSAW CTF Qualification Round 20132750.000013.673
150ASIS CTF Finals 20130.00000.000
137EBCTF 2013100.00002.017
41UFO CTF 2013275.00002.186
154BaltCTF Quals 20130.00000.000
369PlaidCTF 20130.00000.000
106ForbiddenBITS CTF 2013275.00002.819
9backdoorCTF 20133250.000019.260
211Nuit du Hack CTF Quals 20130.00000.000
216Nuit du Hack CTF Quals 20130.00000.000
170RuCTF Quals 20130.00000.000
105Codegate CTF Preliminary 2013700.00008.643
290HackIM 2013100.00000.282

Overall rating place: 89 with 125.841 pts in 2012

Country place: 1

PlaceEventCTF pointsRating points
67PHD CTF Quals 2012800.00009.171
39rwthCTF 20121.070010.455
48RuCTFE 20123.00003.558
75PoliCTF 2012100.00001.314
32CSCAMP CTF Quals 20121000.00003.343
101Hack.lu CTF 2012700.00007.941
72CSAW CTF Qualification Round 20125500.000026.438
226DEF CON CTF Qualifier 2012100.00002.483
12PHD CTF Finals 2012101.00003.981
184PlaidCTF 201240.00001.132
284Nuit du Hack CTF Quals 20120.00000.000
138Codegate CTF Preliminary 2012300.00004.497
34ForbiddenBITS CTF 2012552.000011.113
14Mozilla CTF 20122478.000040.414

Overall rating place: 100 with 45.434 pts in 2011

PlaceEventCTF pointsRating points
60RuCTFE 201114.000010.967
27rwthCTF 2011103653.000018.917
109CSAW CTF Qualification Round 20112900.000014.150
45Hack.lu CTF 20110.00000.000
10PHD CTF Finals 20110.00000.000
111PlaidCTF 201145.00001.401
PlaceEventCTF pointsRating points
46UCSB iCTF 20100.00000.000

Organized CTF events

NameWeight
InCTF 202053.95
BSides Delhi CTF 201925.00
InCTF 201937.00
BSides Delhi CTF 201825.00
InCTF 201825.00
InCTF 201725.00
g0s CTF 20155.00
InCTF 2015 Quals0.00

Team members

Team writeups

EventTaskAction
TokyoWesterns CTF 6th 2020smash [388]read writeup
CSAW CTF Qualification Round 2020grid [150]read writeup
CSAW CTF Qualification Round 2020The Bards' Fail [150]read writeup
ALLES! CTF 2020nullptr [428]read writeup
Google Capture The Flag 2020writeonly [140]read writeup
InCTF 2020XQLi [1000]read writeup
Google Capture The Flag 2020safehtmlpaste [363]read writeup
InCTF 2020Faulty LFSR [804]read writeup
InCTF 2020Lookout Foxy [627]read writeup
InCTF 2020LOGarithm [100]read writeup
InCTF 2020Investigation [100]read writeup
InCTF 2020Investigation Continues [936]read writeup
2020 Defenit CTFTar Analyzer [278]read writeup
2020 Defenit CTFUSB 2 [766]read writeup
HackTM CTF Quals 2020RR [298]read writeup
HackTM CTF Quals 2020Find My Pass [474]read writeup
Hack.lu CTF 2019TCalc [381]read writeup
Hack.lu CTF 2019Schnurtelefon [434]read writeup
SECCON 2019 Online CTFremain [418]read writeup
HITCON CTF 2019 QualsEV3 Arm [221]read writeup
InCTF 2019PHP+1 [100]read writeup
InCTF 2019PHP+1.5 [100]read writeup
InCTF 2019PHP+2.5 [744]read writeup
InCTF 2019GoSQLv2 [999]read writeup
InCTF 2019Copy-Cat [991]read writeup
HITCON CTF 2019 QualsEV3 Player [207]read writeup
InCTF 2019pwnbox [1000]read writeup
InCTF 2019bartender [1000]read writeup
InCTF 2019... --- ... [216]read writeup
InCTF 2019ateles [1000]read writeup
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