Also known as
  • Blue Mermaid
  • Bluemermaid
  • TeamHarekaze
  • Harekaze++

Website: https://harekaze.com

Twitter: https://twitter.com/teamharekaze

Sign in to join the team.



Team:Harekaze

Participated in CTF events

Overall rating place: 586 with 48.222 pts in 2020

Country place: 28

PlaceEventCTF pointsRating points
11SECCON 2020 Online CTF2123.000035.375
449ASIS CTF Quals 202020.00000.413
91DEF CON CTF Qualifier 2020335.00005.263
416S㎩mAndFlags Uけimate w呎は屸de C㏊mᒆonship Teaser ꕫꕫ - ㎩㏚i㎄ Edition10.00000.096
228De1CTF 2020185.00000.496
221Covid-19 CTF306.00000.000
143Securinets CTF Quals 2020766.00001.421
567TAMUctf 202050.00000.000
268Codegate CTF 2020 Preliminary1.00000.068
75HackTM CTF Quals 20201104.00002.920
118Insomni'hack teaser 202072.00002.168

Overall rating place: 65 with 261.256 pts in 2019

Country place: 5

PlaceEventCTF pointsRating points
167hxp 36C3 CTF70.00000.738
11SECCON 2019 Final International competition1273.00005.781
33TUCTF 201911922.000024.776
84RITSEC CTF 20192210.00003.832
339ASIS CTF Finals 201938.00000.877
43Pwn2Win CTF 2019412.00005.314
72TastelessCTF 20191.00000.352
14SECCON 2019 Online CTF4724.000031.542
64HITCON CTF 2019 Quals953.000016.660
229Balsn CTF 2019106.00000.441
5InCTF 20196007.000034.561
323Real World CTF 2019 Quals34.00000.388
228CSAW CTF Qualification Round 2019401.00003.323
29DefCamp CTF Qualification 20191176.00006.951
46Trend Micro CTF 2019 - Raimund Genes Cup - Online Qualifier100.00000.404
33TokyoWesterns CTF 5th 20191481.000041.905
37WCTF 2019 ONLINE120.00000.168
116Facebook CTF 20191260.00001.568
96Security Fest 2019392.00002.347
70DEF CON CTF Qualifier 2019590.000010.018
6TSG CTF2851.000012.594
251INS'hAck 2019239.00001.485
37ASIS CTF Quals 2019848.000010.857
219PlaidCTF 2019111.00002.256
12SpamAndFlags Teaser 2019637.00007.353
23Midnight Sun CTF 2019 Quals3217.000011.558
64VolgaCTF 2019 Qualifier900.00007.918
1110CTF/TCTF 2019 Quals216.00003.894
64CONFidence CTF 2019 Teaser296.00003.104
188UCSB iCTF 201957.830020.108
19UTCTF 20198050.00008.582
74Pragyan CTF 20191325.00008.650
13Aero CTF 20193411.000014.025
64BSidesSF 2019 CTF340.00001.736
335TAMUctf 195198.00008.679
191STEM CTF: Cyber Challenge 2019150.00001.308
19Evlz CTF1449.00004.600
50BITSCTF 2019504.00004.453
102nullcon HackIM 2019488.00001.612
47NeverLAN CTF 20197055.000017.343
62FireShell CTF 2019569.00002.438

Overall rating place: 58 with 238.336 pts in 2018

Country place: 4

PlaceEventCTF pointsRating points
6635C3 CTF328.00009.148
2SECCON 2018 Final Japan competition1455.00000.000
44hxp CTF 2018562.00007.889
25Pwn2Win CTF 2018975.00007.577
27ASIS CTF Finals 2018822.00009.419
446TUCTF 2018826.00002.114
10RITSEC CTF 20184636.000014.841
112Square CTF 201828357.00007.643
17SECCON 2018 Online CTF3507.000023.249
51HITCON CTF 2018635.00009.433
79Hack.lu CTF 2018718.000010.688
21InCTF 20182881.00004.568
65Teaser Dragon CTF 2018254.00003.211
15DefCamp CTF Qualification 20181670.000012.489
27Trend Micro CTF 2018 - Raimund Genes Cup - Online Qualifier2400.00007.864
334CSAW CTF Qualification Round 2018476.00002.683
53SEC-T CTF255.00003.240
94HackIT CTF 20181.00000.267
132IceCTF 20182185.00009.922
16TokyoWesterns CTF 4th 20182241.000036.789
23ICON CTF Quals1.00009.420
55WhiteHat Grand Prix 2018 – Quals300.00002.871
10CODE BLUE CTF 2018 Quals2361.000017.409
24CTFZone 2018 Quals1032.00005.737
45Meepwn CTF Quals 20181460.00004.073
78Google Capture The Flag 2018 (Quals)533.00007.054
67Security Fest CTF204.00003.006
81RCTF 2018753.00001.904
51DEF CON CTF Qualifier 2018780.000014.597
197PlaidCTF 201851.00001.343
46ASIS CTF Quals 2018877.00009.425
109NoNameCon CTF Quals 201850.00000.000
42*CTF 20181435.00003.680
64Blaze CTF 20181260.00004.388
43Midnight Sun CTF 2018 Quals305.00003.246
15UIUCTF 2018802.00006.089
47INS'hAck 2018630.00002.960
290CTF/TCTF 2018 Quals1187.00009.538
81Nuit du Hack CTF Quals 2018651.00007.791
260SwampCTF 2018714.00001.665
24VolgaCTF 2018 Quals1560.000012.850
67BackdoorCTF 2018200.00002.545
18b00t2root '18426.00003.802
88ångstromCTF 20181880.000011.512
41UCSB iCTF 201853711.000030.613
45N1CTF 20181158.00003.205
43Pragyan CTF 20181650.00004.006
47NeverLAN CTF 20184410.00009.144
6Xiomara CTF 20182101.000019.581
10SECCON 2017 Final International competition1703.000010.328
5SECCON 2017 Final Japan competition752.000020.667
138TAMUctf 182574.00009.888
203SharifCTF 8185.00002.136
43AceBear Security Contest 20181191.00003.137
20Break In CTF 2018800.00005.695
33Insomni'hack teaser 2018429.00007.079

Overall rating place: 36 with 235.850 pts in 2017

Country place: 3

PlaceEventCTF pointsRating points
4634C3 CTF411.00007.315
5InCTF 20172701.000019.756
72WhiteHat Grand Prix 2017100.00000.669
26 The 318br, DESEC and SucuriHC Capture The Flag (3DSCTF)4288.00007.455
3SECCON 2017 Online CTF5800.000037.187
9Takoma Park CTF895.000014.607
142RuCTFE 201718.54000.536
44TUCTF 20172176.000010.010
13RC3 CTF 20171850.00008.378
64hxp CTF 2017414.00003.058
456HCTF 201710.00000.076
17CODE BLUE CTF 20171480.00007.402
7School CTF 20173800.000016.766
53HITCON CTF 2017 Quals1120.000015.175
40Pwn2Win CTF 2017988.00004.583
65Hack.lu CTF 20171160.000012.962
187Hack Dat Kiwi 2017150.00001.150
32Kaspersky Industrial CTF Quals 20172450.00007.376
23DefCamp CTF Qualification 2017855.00004.441
9BackdoorCTF 20173000.000035.124
17EKOPARTY CTF 20175719.000026.545
204CSAW CTF Qualification Round 20171026.00004.050
5SEC-T CTF2935.000025.401
27ASIS CTF Finals 20171113.000010.145
33Tokyo Westerns CTF 3rd 2017940.000012.621
118WhiteHat Challenge 040.00000.000
8HackCon 2017881.000015.120
38HackIT CTF 2017750.00003.802
18SHA2017 CTF2300.000012.908
10bugs_bunny ctf 2k173061.000014.456
25CTFZone 20171147.00002.975
14MeePwn CTF 1st 20172049.00007.651
25PoliCTF 20171572.00007.905
43SECUINSIDE CTF Quals 2017523.00001.925
53Trend Micro CTF 2017 - Raimund Genes Cup - Online Qualifier900.00004.406
69Google Capture The Flag 2017 (Quals)796.00003.457
8SHA2017 CTF Teaser round650.00000.000
10Security Fest 20171660.000014.484
25WhiteHat Contest 13700.00004.300
33RCTF 20172060.00004.091
13UIUCTF 20171750.000011.269
80DEF CON CTF Qualifier 2017296.00008.088
97PlaidCTF 2017587.00009.886
32Insigne CTF110.00000.000
61BCTF 2017755.00001.779
20TAMUctf 20172980.000015.309
9Sunshine CTF 2017976.00002.567
80ASIS CTF Quals 2017504.00003.991
6INS'hAck 20173045.000016.066
35Teaser CONFidence CTF 2017201.00001.089
115Nuit du Hack CTF Quals 2017410.00004.163
13April Fools' GTF 20171898.00000.000
1Securinets CTF Quals 20172830.000028.520
6WhiteHat Challenge 02175.00000.000
61VolgaCTF 2017 Quals1050.00005.955
840CTF 2017 Quals490.00003.966
251UCSB iCTF 20177468.94770.231
149Pragyan CTF 2017385.00001.196
15Xiomara CTF 20171576.00007.904
34VolgaCTF 2017 Teaser110.00000.000
5WhiteHat Challenge 01140.00000.000
135Boston Key Party CTF 2017301.00004.287
18BSides San Francisco CTF3837.000014.731
8Hackcon Mini585.000010.494
38nullcon HackIM 2150.00002.051
163Codegate 2017 prequals50.00000.677
18BITSCTF 2017520.000010.661
68AlexCTF1990.000013.896
24SECCON 2016 Final competition 200.00001.249
69Insomni'hack teaser 2017350.00002.704

Overall rating place: 557 with 19.381 pts in 2016

Country place: 31

PlaceEventCTF pointsRating points
13533C3 CTF325.00004.885
18WhiteHat Grand Prix 2016800.00003.648
122SharifCTF 7651.00004.183
61SECCON 2016 Online CTF1300.00006.492
604Tokyo Westerns/MMA CTF 2nd 201610.00000.173

Organized CTF events

NameWeight
Harekaze CTF 201923.87
Harekaze CTF 201823.87

Team members

Team writeups

EventTaskAction
CSAW CTF Qualification Round 2018shell->code [100]read writeup
SECCON 2017 Online CTFQubic Rube [300]read writeup
SECCON 2017 Online CTFMan-in-the-middle on SECP384R1 [300]read writeup
SECCON 2017 Online CTFprintf machine [400]read writeup
Tokyo Westerns CTF 3rd 2017Liar's Trap [281]read writeup