Also known as
  • Yellowstone Yachtsclub of Yawning
  • LC!!BC
  • LCzBC
  • LC/BC
  • lcbc
  • сыс
  • cblc
  • CbIC
  • LC+BC
  • LC1BC
  • LC?BC
  • [SPbCTF] LC↯BC
  • LC|BC
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Participated in CTF events

Overall rating place: 6 with 797.331 pts in 2019

Country place: 1

PlaceEventCTF pointsRating points
1CTFZone 2019 Quals6288.000066.660
9Trend Micro CTF 2019 - Raimund Genes Cup - The Final527.00009.354
5RuCTFE 20194239578.010038.338
8ASIS CTF Finals 20193637.000069.102
1TastelessCTF 20195056.000050.000
17Hack.lu CTF 20192803.000026.444
1SECCON 2019 Online CTF7840.000092.000
2HITB PRO CTF 201965572.830034.647
4HITCON CTF 2019 Quals5542.0000112.912
2Balsn CTF 20197255.000035.197
1PwnThyBytes CTF 20197213.000050.000
31Teaser Dragon CTF 2019704.00007.995
1VolgaCTF 2019 Final3831.803244.000
7SEC-T CTF 20194175.000018.386
23Real World CTF 2019 Quals839.00008.767
148CSAW CTF Qualification Round 2019801.00006.532
1Trend Micro CTF 2019 - Raimund Genes Cup - Online Qualifier4315.000018.000
37TokyoWesterns CTF 5th 20191351.000038.167
23Google Capture The Flag 2019 (Quals)2368.000053.413
1Midnight Sun CTF 2019 Finals18528.000050.000
60CTF/TCTF 2019 Finals3279.000080.386
535Facebook CTF 2019100.00000.153
2BCTF 2019 finals5471.00000.000
27DEF CON CTF Qualifier 20191648.000028.546
3RuCTF Finals 201912452.250027.437
19ASIS CTF Quals 20191928.000024.411
97PlaidCTF 2019661.000011.828
1Kaspersky Industrial CTF Finals1672.27000.000
8SpamAndFlags Teaser 20191396.000014.738
5Midnight Sun CTF 2019 Quals6594.000026.460
1VolgaCTF 2019 Qualifier3276.000056.880
70CTF/TCTF 2019 Quals4244.000073.978
1Insomni'hack 20193975.0000142.000
14UCSB iCTF 201973.830029.058
3Insomni'hack teaser 20191930.000046.144

Overall rating place: 11 with 516.579 pts in 2018

Country place: 2

PlaceEventCTF pointsRating points
835C3 CTF1868.000055.972
12hxp CTF 20181356.000020.231
1Real World CTF 2018 Finals2939.000050.000
8ASIS CTF Finals 20183005.000032.235
2Kaspersky Industrial CTF 20184227.000025.485
2CTFZONE 2018 Finals7429.293629.679
4RuCTFE 20181583778.460057.271
1WhiteHat Grand Prix 2018 - Final Round16950.000037.340
4CODE BLUE CTF 2018 Finals2721.000013.270
22HITCON CTF 20181879.000026.621
18Teaser Dragon CTF 20181094.000013.561
3DefCamp CTF Qualification 20182394.000022.362
14Trend Micro CTF 2018 - Raimund Genes Cup - Online Qualifier3500.000011.763
2SEC-T CTF1828.000032.159
18TokyoWesterns CTF 4th 20182084.000034.201
4Meepwn CTF Final 20184700.000021.314
5WhiteHat Grand Prix 2018 – Quals2440.000024.629
8CODE BLUE CTF 2018 Quals2687.000020.093
7Real World CTF 2018 Quals1091.000014.434
1CTFZone 2018 Quals5208.000047.560
1Meepwn CTF Quals 201810180.000049.120
2Carthage Cyber Arena Finals56.00000.000
14Google Capture The Flag 2018 (Quals)3242.000042.856
1Midnight Sun CTF 2018 Finals6687.000050.000
30CTF/TCTF 2018 Finals4499.000074.770
29DEF CON CTF Qualifier 20181454.000026.852
18PlaidCTF 20181701.000034.610
41ASIS CTF Quals 2018976.000010.500
1Midnight Sun CTF 2018 Quals2845.000049.780
4RuCTF Finals 201823143.000018.418
70CTF/TCTF 2018 Quals4886.000039.250
18Insomni'hack teaser 2018545.00009.469

Overall rating place: 7 with 597.659 pts in 2017

Country place: 1

PlaceEventCTF pointsRating points
2334C3 CTF753.000013.725
2HITCON CTF 2017 Final30304.750041.763
5RuCTFE 20172814660.280056.122
2hxp CTF 20174056.000039.882
1CTFZone 2017 Finals7809.000050.000
2Trend Micro CTF 2017 - Raimund Genes Cup - The Final2730.000024.944
4HITCON CTF 2017 Quals5167.000081.315
3Google Capture The Flag 2017 (Finals)2850.000025.502
5Hack.lu CTF 20174472.000056.476
5Kaspersky Industrial CTF Quals 20175650.000019.712
14DefCamp CTF Qualification 20171052.00005.668
7BackdoorCTF 20173600.000042.503
44EKOPARTY CTF 20172603.000011.818
5CSAW CTF Qualification Round 20175276.000025.128
12ASIS CTF Finals 20172276.000021.182
4Tokyo Westerns CTF 3rd 20172694.000045.099
98SHA2017 CTF900.00004.766
1CTFZone 201713597.000047.560
2PoliCTF 20174755.000033.042
5SECUINSIDE CTF Quals 20174234.000015.866
4Trend Micro CTF 2017 - Raimund Genes Cup - Online Qualifier3900.000022.627
2Google Capture The Flag 2017 (Quals)5443.000032.368
40CTF 2017 Finals2990.000040.718
6FAUST CTF 201716441.895419.136
5PHDays VII CTF517046.790013.024
18DEF CON CTF Qualifier 20171342.000036.594
4PlaidCTF 20173787.000079.684
6RuCTF Finals 20179119.060020.341
4Codegate CTF Finals 20171350.000026.460
10CTF 2017 Quals5734.000081.580
5Boston Key Party CTF 20173550.000057.319
6Codegate 2017 prequals3330.000034.412

Overall rating place: 4 with 1409.403 pts in 2016

Country place: 1

PlaceEventCTF pointsRating points
1233C3 CTF3525.000053.246
3The 318br, DESEC, and SucuriHC Capture The Flag (3DSCTF)8411.000028.973
10SharifCTF 74753.000032.220
2HITCON CTF 2016 Final44604.850045.538
136RC3 CTF 20161690.00004.381
18Qiwi-Infosec CTF-20163800.00008.358
4RuCTFE 20162944793.000057.903
8Hack The Vote 20163851.000018.638
4EKOPARTY CTF 20163728.000044.285
1Hack.lu CTF 20162281.0000107.720
2HITCON CTF 2016 Quals5450.000098.778
1TUM CTF 20166429.000057.180
32DefCamp CTF Qualification 2016701.00003.572
18CSAW CTF Qualification Round 20163876.000019.550
17WhiteHat Contest 12900.00004.850
9ASIS CTF Finals 20162562.000038.959
3Tokyo Westerns/MMA CTF 2nd 20165190.000060.546
6DEF CON CTF 201684412.000072.802
1OpenCTF 20164985.000044.000
24Trend Micro CTF 2016 Online Qualifier1600.000010.198
14SECUINSIDE CTF Quals 20161031.00005.773
5Nuit du Hack CTF Finals 2016-5404.00000.000
31WhiteHat Contest 11200.00004.085
38ALICTF 2016435.00001.737
34DEF CON CTF Qualifier 20161432.000029.369
7TU CTF 20163710.000017.994
2ASIS CTF Quals 20163224.000053.913
2Google Capture The Flag 20164520.000031.988
10CTF 2016 Finals21016.100090.000
4PlaidCTF 20163992.0000100.827
18Teaser CONFidence CTF 2016400.00003.413
6RuCTF Finals 20166054.310012.433
13Nuit du Hack CTF Quals 20162350.000029.371
22BCTF 20161816.000012.526
3Codegate CTF 2016 Quals4527.000052.699
10CTF 2016 Quals80.000081.580
4Boston Key Party CTF 201688.000070.000

Overall rating place: 18 with 512.599 pts in 2015

Country place: 3

PlaceEventCTF pointsRating points
432C3 CTF4850.000063.690
3HITCON CTF 2015 Final28742.910039.541
2RuCTFE 20157587539.040083.380
5HITCON CTF 2015 Quals2890.000038.671
79Trend Micro CTF Asia Pacific & Japan 2015 Online Qualifier1200.00004.388
10DEF CON CTF 20159941.000041.207
13DEF CON CTF Qualifier 201541.000071.660
8PlaidCTF 20153214.000062.098
5Codegate CTF Finals 20153340.000047.914
4Codegate CTF Preliminary 20155100.000060.051

Team members

Team writeups

EventTaskAction
TastelessCTF 2019ez [460]read writeup
SECCON 2019 Online CTFrunme [475]read writeup
SECCON 2019 Online CTFPPKeyboard [352]read writeup
SECCON 2019 Online CTFMonoid Operator [444]read writeup
SECCON 2019 Online CTFrandom_pitfalls [439]read writeup
SECCON 2019 Online CTF7w1n5 [383]read writeup
HITCON CTF 2019 QualsEmojiiiVM [236]read writeup
HITCON CTF 2019 QualsEmojiiVM [198]read writeup
HITCON CTF 2019 QualsEmojiVM [187]read writeup
HITCON CTF 2019 QualsBreath of Shadow [500]read writeup
Balsn CTF 2019pyshv1 [572]read writeup
Balsn CTF 2019listcomp ppm [371]read writeup
Balsn CTF 2019Collision [726]read writeup
Google Capture The Flag 2019 (Quals)flagrom [187]read writeup