Also known as
  • Yellowstone Yachtsclub of Yawning
  • LC?BC
  • LCzBC
  • LC/BC
  • lcbc
  • сыс
  • cblc
  • CbIC
  • LC+BC
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Participated in CTF events

Overall rating place: 122 with 9.479 pts in 2018

PlaceEventCTF pointsRating points
18Insomni'hack teaser 2018545.00009.479

Overall rating place: 7 with 600.829 pts in 2017

PlaceEventCTF pointsRating points
2334C3 CTF753.000013.942
2HITCON CTF 2017 Final30304.750041.763
5RuCTFE 20172814660.280057.889
2hxp CTF 20174056.000039.464
1CTFZone 2017 Finals7809.000050.000
2Trend Micro CTF 2017 - Raimund Genes Cup - The Final2730.000024.944
4HITCON CTF 2017 Quals5167.000081.537
3Google Capture The Flag 2017 (Finals)2850.000025.502 CTF 20174472.000057.137
5Kaspersky Industrial CTF Quals 20175650.000019.469
14DefCamp CTF Qualification 20171052.00005.668
7BackdoorCTF 20173600.000043.029
44EKOPARTY CTF 20172603.000011.898
5CSAW CTF Qualification Round 20175276.000025.128
12ASIS CTF Finals 20172276.000021.182
4Tokyo Westerns CTF 3rd 20172694.000045.278
98SHA2017 CTF900.00004.769
1CTFZone 201713597.000047.680
2PoliCTF 20174755.000032.775
5SECUINSIDE CTF Quals 20174234.000015.866
4Trend Micro CTF 2017 - Raimund Genes Cup - Online Qualifier3900.000022.520
2Google Capture The Flag 2017 (Quals)5443.000032.471
40CTF 2017 Finals2990.000040.718
6FAUST CTF 201716441.895419.136
5PHDays VII CTF517046.790013.003
18DEF CON CTF Qualifier 20171342.000036.594
4PlaidCTF 20173787.000079.079
6RuCTF Finals 20179119.060020.341
4Codegate CTF Finals 20171350.000026.460
10CTF 2017 Quals5734.000081.880
5Boston Key Party CTF 20173550.000057.319
6Codegate 2017 prequals3330.000034.412

Overall rating place: 4 with 1412.139 pts in 2016

PlaceEventCTF pointsRating points
1233C3 CTF3525.000054.088
3The 318br, DESEC, and SucuriHC Capture The Flag (3DSCTF)8411.000029.085
10SharifCTF 74753.000032.494
2HITCON CTF 2016 Final44604.850045.538
136RC3 CTF 20161690.00004.585
18Qiwi-Infosec CTF-20163800.00008.474
4RuCTFE 20162944793.000059.726
8Hack The Vote 20163851.000018.638
4EKOPARTY CTF 20163728.000044.583 CTF 20162281.0000108.980
2HITCON CTF 2016 Quals5450.000099.049
1TUM CTF 20166429.000056.580
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 20165190.000060.787
6DEF CON CTF 201684412.000072.802
1OpenCTF 20164985.000044.000
24Trend Micro CTF 2016 Online Qualifier1600.000010.149
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 20163710.000017.059
2ASIS CTF Quals 20163224.000052.347
2Google Capture The Flag 20164520.000032.090
10CTF 2016 Finals21016.100090.000
4PlaidCTF 20163992.0000100.062
18Teaser CONFidence CTF 2016400.00003.413
6RuCTF Finals 20166054.310012.433
13Nuit du Hack CTF Quals 20162350.000030.178
22BCTF 20161816.000012.526
3Codegate CTF 2016 Quals4527.000052.699
10CTF 2016 Quals80.000081.880
4Boston Key Party CTF 201688.000070.000

Overall rating place: 18 with 512.599 pts in 2015

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

hxp CTF 2017flea [150]read writeup
hxp CTF 2017vga [150 + 100]read writeup
hxp CTF 2017impVM [400 + 100]read writeup
HITCON CTF 2017 QualsSSSP [400]read writeup
HITCON CTF 2017 QualsSakura [218]read writeup
HITCON CTF 2017 QualsVery Luaky [342]read writeup
HITCON CTF 2017 QualsLuaky [257]read writeup
HITCON CTF 2017 Quals完美無瑕~Impeccable Artifact~ [192]read writeup CTF 2017Corroded Alien Artifact [500 (-100)]read writeup CTF 2017The Maya Society [50 (+91)]read writeup CTF 2017LostKey [350 (+51)]read writeup
Tokyo Westerns CTF 3rd 2017Palindromes Pairs - Coding Phase [24]read writeup
Tokyo Westerns CTF 3rd 2017pplc [31+31+30]read writeup
Tokyo Westerns CTF 3rd 2017Cryptal [224]read writeup
Tokyo Westerns CTF 3rd 2017LED [267]read writeup
Tokyo Westerns CTF 3rd 20170xC5C2C3C4C9C3 [155]read writeup
Tokyo Westerns CTF 3rd 2017Backpacker's Problem [177]read writeup
CTFZone 2017TimeHackers [1000]read writeup
SECUINSIDE CTF Quals 2017MyGF [870]read writeup
Google Capture The Flag 2017 (Quals)Back to the Past [500]read writeup
DEF CON CTF Qualifier 2017Godzilla read writeup
PlaidCTF 2017gameboy [450]read writeup
0CTF 2017 Qualscomplicated xss [177]read writeup
0CTF 2017 Qualssimplexss read writeup
Codegate 2017 prequalsMeow [365]read writeup
33C3 CTFtea [350]read writeup
SharifCTF 7Blobfish [300]read writeup
Hack The Vote 2016consul [100]read writeup
Hack The Vote 2016Frontdoor [200]read writeup
Hack The Vote 2016IRS [100]read writeup
Hack The Vote 2016FOX Voting Simulator [300]read writeup
Hack The Vote 2016Double Agent [250]read writeup
Hack The Vote 2016Warpspeed [150]read writeup
Hack The Vote 2016Trump Likes Colors [250]read writeup
Hack The Vote 2016Vermatrix Supreme [100]read writeup
Hack The Vote 2016Electioneering [250]read writeup
EKOPARTY CTF 2016Knock Knock [125]read writeup
Tokyo Westerns/MMA CTF 2nd 2016Backdoored Crypto System [400]read writeup
Google Capture The Flag 2016Woodman [100]read writeup
Google Capture The Flag 2016Wolf Spider [125]read writeup
Google Capture The Flag 2016Spotted Wobbegong [100]read writeup
Google Capture The Flag 2016jekyll [15]read writeup
PlaidCTF 2016Exponentiation is hard [50]read writeup
PlaidCTF 2016sexec [300]read writeup
PlaidCTF 2016radioactive [275]read writeup
PlaidCTF 2016plane_site [75]read writeup