Sat, 21 June 2025, 06:00 UTC — Sun, 22 June 2025, 06:00 UTC 

On-line

IERAE CTF event.

Format: Jeopardy Jeopardy

Official URL: https://gmo-cybersecurity.com/event/ieraectf25/

This event's future weight is subject of public voting!

Future weight: 37.00 

Rating weight: 25.00 

Event organizers 

IERAE CTF is the CTF organized by ierae, the CTF team of GMO Cybersecurity by Ierae, Inc.
GMO Cybersecurity by Ierae, Inc. is a Japanese security company with many CTF players. We have been helped by and grown with those CTF players, and now we want to help energize the community.

Prizes

1st Place
300,000 JPY

2nd Place
150,000 JPY

3rd Place
50,000 JPY

※ Amounts are pre-tax. Foreign recipients of the prize money are subject to source withholding tax rate of 20.42%.

For Japanese teams consisting only of students, the top of which will receive:
- 2 OffSec Training licenses
- 2 CODE BLUE 2025 tickets

Please make sure to select the correct option when registering account.

Scoreboard

535 teams total

PlaceTeamCTF pointsRating points
1 TPC 4762.00050.000
2 bingus 3851.00032.717
3 ./Vespiary 3560.00027.023
4 Project Sekai 3302.00023.585
5 sknb 3180.00021.695
6 ponponpain 3064.00020.252
7 Infobahn 2753.00018.024
8 r3kapig 2734.00017.478
9 💦​ 2734.00017.131
10 Viettel Cyber Security 2703.00016.690
11 Fashi Fan Syndicate 2455.00015.161
12 MN7 2319.00014.258
13 UofTCTF 2215.00013.552
14 TSG 2009.00012.333
15 Cybertroll 1954.00011.925
16 jarujaru 1940.00011.747
17 full_weak_engineer 1909.00011.493
18 Ripe Rice 1851.00011.106
19 full_weak_student 1833.00010.939
20 teamn 1790.00010.647
21 key 1743.00010.341
22 B0NG0R3 1731.00010.224
23 BunkyoWesterns 1728.00010.159
24 wanya 1669.0009.804
25 team enu 1630.0009.557
26 Cyber Dark Inferno 1630.0009.519
27 spookies 1630.0009.483
28 PLUS 1611.0009.350
29 onA1aCarte 1607.0009.299
30 なかよしCTF部 1593.0009.196
31 yokozuna57 1593.0009.170
32 without_std1n 1593.0009.144
33 PowerShell 1482.0008.538
34 Hachiko 1428.0008.232
35 UniverSea 1404.0008.085
36 No Identity 1390.0007.992
37 BanZai 1246.0007.217
38 Flag Fortress 2 1239.0007.163
39 katagaitai 1202.0006.951
40 MMA 1185.0006.846
41 n0land3rs 1185.0006.831
42 MiT 1185.0006.816
43 0DayKW 1185.0006.803
44 Tenured Exploiter 1184.0006.784
45 abbabaab 1164.0006.666
46 P01TERGEIST 1164.0006.654
47 0bscuri7y 1164.0006.643
48 4guys 1164.0006.632
49 aplhk 1096.0006.264
50 nyahello 1072.0006.128
51 koidelab 1070.0006.108
52 hamayanhamayan 1055.0006.019
53 Underr00ted 1047.0005.968
54 Team Bitsec 1047.0005.960
55 MessiOfCTF 1035.0005.888
56 NCA@Nepal 1026.0005.833
57 Sentinels of Vigil 1020.0005.793
58 Rober 1020.0005.786
59 Futakura 1020.0005.779
60 team_enjoy 1016.0005.751
61 kcz 999.0005.654
62 HDFR_ 982.0005.559
63 Porshnevik 982.0005.552
64 J-B 982.0005.546
65 bup11f 982.0005.540
66 GH05TBUSTERES 982.0005.534
67 Talentopolis 982.0005.529
68 maRO 982.0005.523
69 Cryptonite 941.0005.302
70 Saygex780 923.0005.203
71 ChacunaSongOut 923.0005.198
72 PEKKA STARS 882.0004.978
73 LastSeenIn2026 878.0004.952
74 TeamCC 861.0004.858
75 m1z0r3 861.0004.853
76 JumpingCats4000 861.0004.849
77 CTFganbaritai 844.0004.756
78 soso@hahaha 844.0004.751
79 soso@user 844.0004.747
80 0x5ky 834.0004.691
81 |3r0th3r CC 834.0004.687
82 k1rnt 834.0004.683
83 milworms 817.0004.590
84 Hajimete no onigiri 817.0004.587
85 glhf 817.0004.583
86 seahorse 817.0004.580
87 thisisapen 817.0004.577
88 Hacklava 817.0004.573
89 ut.code(); 817.0004.570
90 jpd123 817.0004.567
91 packet piranha 817.0004.564
92 traP 817.0004.561
93 bosglid 817.0004.558
94 susumu 817.0004.555
95 elab 817.0004.552
96 Kanaettei 817.0004.550
97 ICC UH 766.0004.279
98 Oh my teeth 762.0004.256
99 Team Kirby 745.0004.164
100 CyKOR 738.0004.124
101 Moris 713.0003.991
102 DOMBUSTERS 711.0003.978
103 MineCode 701.0003.923
104 obo 701.0003.921
105 OSAM_z3r0day 696.0003.892
106 Paduck 696.0003.890
107 one 679.0003.798
108 650on99 679.0003.796
109 tab 679.0003.794
110 sugugugurubu 679.0003.792
111 SeulgiTKGodZ(FC) 679.0003.790
112 The Bus Factor is 1: 679.0003.788
113 GH05TBUSTERS 679.0003.786
114 Champe Cyber 679.0003.784
115 dau66 679.0003.782
116 Meguro Meltdown 679.0003.780
117 zazapon 679.0003.778
118 HELLOHIROSHIMA 679.0003.777
119 ZAP 679.0003.775
120 COMP19 679.0003.773
121 kotenpan 679.0003.771
122 kingbombi 669.0003.717
123 0h1t4sh1 669.0003.715
124 Exfiltra 669.0003.714
125 nomanomaken 669.0003.712
126 Bird_Noble_Party4 669.0003.711
127 NE 669.0003.709
128 Ocarina 580.0003.240
129 NullPointer 580.0003.239
130 gabuts 580.0003.237
131 christmas 575.0003.210
132 1nf1n1ty 563.0003.145
133 BITSkrieg 563.0003.144
134 ChiLL Chain 563.0003.142
135 wanwan 563.0003.141
136 0xE0F 536.0002.998
137 0xDEADFA11 536.0002.996
138 MaverickSquad 536.0002.995
139 FPaS 536.0002.994
140 kalax 536.0002.993
141 sssboom 536.0002.991
142 useXss 536.0002.990
143 Byte Me Maybe 536.0002.989
144 0-Day nyan 536.0002.988
145 TDULab23 536.0002.986
146 Roarshach 536.0002.985
147 B14ck V31L 536.0002.984
148 +Rust 536.0002.983
149 AYUNO 536.0002.982
150 mizore_fuyu 536.0002.981
151 NullByteNinjas 531.0002.953
152 G3 531.0002.952
153 猪木アントキノ 531.0002.951
154 pike 531.0002.950
155 sette 531.0002.949
156 YAKINIKU 531.0002.948
157 Shellskapsresan 531.0002.947
158 nullpiyo 531.0002.946
159 pwn0rDi3 531.0002.945
160 trojans 531.0002.944
161 Crazy Bandit 531.0002.943
162 Ctrl-Alt-Defeating 531.0002.942
163 TEAM J-PF 531.0002.941
164 RabbitHorse 531.0002.940
165 574r64z3r 531.0002.939
166 YOKARO-MON 531.0002.938
167 Mark8 531.0002.937
168 hellokitty 531.0002.937
169 KyamonohashiHouse 531.0002.936
170 2GB 531.0002.935
171 MOUMOU FARM 531.0002.934
172 ZK Lovers 525.0002.902
173 Cryptobra 478.0002.654
174 TheGout 457.0002.543
175 AMIJO 457.0002.542
176 Nez 442.0002.462
177 k0kos 437.0002.435
178 Wani Hackase 434.0002.419
179 チーム友達 434.0002.418
180 akhgdalkgfalgfaklh 434.0002.417
181 HRS 434.0002.417
182 YMD_HK 430.0002.395
183 sayonara 430.0002.394
184 Inlt-back 430.0002.393
185 Mariydi 430.0002.393
186 VNCS_G 425.0002.366
187 HokkaidoDekkaido 425.0002.365
188 5h4d0wBy73 398.0002.222
189 ph4ntØm 398.0002.222
190 AreDaYush? 398.0002.221
191 Pantheon 398.0002.220
192 the-baron 398.0002.220
193 THX_HXCK 398.0002.219
194 PurpleFoxxx 398.0002.218
195 N|K 398.0002.218
196 Zero_Knowledge 398.0002.217
197 ぼんごれびあんこ 398.0002.216
198 PrivateUser 398.0002.216
199 SC 398.0002.215
200 hackratic 398.0002.214
201 babyd0nthurtm3 398.0002.214
202 z0udan 398.0002.213
203 Nasmoco-CSIRT 398.0002.213
204 dunno 398.0002.212
205 チームいちぴろ 398.0002.211
206 masa 398.0002.211
207 honeeeee-key 398.0002.210
208 ByteBandits 398.0002.210
209 0x16_pixel 398.0002.209
210 karaagekarari 398.0002.209
211 abdullaxows 398.0002.208
212 IMANARI_ROLL 398.0002.207
213 u3fi 398.0002.207
214 ri5e 398.0002.206
215 labupump 398.0002.206
216 sassers 398.0002.205
217 AShiyu 398.0002.205
218 €yber€lan 398.0002.204
219 nishishinjuku-ctf 398.0002.204
220 Cyb3rPr1s0n 398.0002.203
221 cwang 398.0002.203
222 NF$CC 398.0002.202
223 tbh 398.0002.202
224 r00tn3p@! 398.0002.201
225 SUSHI 398.0002.201
226 ferrite1o 398.0002.200
227 4O4NULLERS 398.0002.200
228 Pookie Bears 398.0002.199
229 BackMoon 398.0002.199
230 nuhe_lonely 398.0002.198
231 Cyber4ssassinsX 398.0002.198
232 CD LS 398.0002.197
233 H4rv3st3r 398.0002.197
234 MayD4Y 398.0002.196
235 Borstal 398.0002.196
236 Sweet Rain 398.0002.195
237 gataudeh 398.0002.195
238 MK 398.0002.195
239 Dhiraj 398.0002.194
240 P4yl04d P1r4t3s 398.0002.194
241 OHTANI-SAN 398.0002.193
242 bi0skochi 398.0002.193
243 kks 398.0002.192
244 hajitapahcoder 398.0002.192
245 Blue Lock Eleven 398.0002.191
246 Vuln3ra 398.0002.191
247 x3ruzz 398.0002.191
248 4r0wana 398.0002.190
249 Sytnax Error 398.0002.190
250 Isetan150000 398.0002.189
251 SecLab_Wakayama_Univ 398.0002.189
252 skyl4rk 398.0002.189
253 the_nomai 398.0002.188
254 nop_team 398.0002.188
255 shikasan 398.0002.187
256 Cyb3r Mischief 398.0002.187
257 DOUBLE STANDARD 398.0002.187
258 HackSick 398.0002.186
259 FlyingMelonPan 398.0002.186
260 y0d3n ♡ 398.0002.186
261 Ex0rcists 398.0002.185
262 DUTCH LADY 398.0002.185
263 FPTU Ethical Hacker Club 398.0002.185
264 SAKURAHack 398.0002.184
265 myself 398.0002.184
266 ENIG_Lethals 398.0002.183
267 jasprit bumrah 398.0002.183
268 begginer CTFer 398.0002.183
269 Bugs B0unt3r 398.0002.182
270 This1sFine 398.0002.182
271 El_Hackatorio 398.0002.182
272 hamar 398.0002.181
273 pajin-tamal 398.0002.181
274 Cache Me If You Can 398.0002.181
275 誕33な 398.0002.180
276 rakuha. 398.0002.180
277 BScW 398.0002.180
278 G2S5 398.0002.179
279 CS2 398.0002.179
280 C0d3_N19ht_W0nd3r3s 398.0002.179
281 Eggtama 398.0002.178
282 Hunter Squad 398.0002.178
283 vlsr 398.0002.178
284 ARCO 398.0002.177
285 Cyber Security Trunojoyo 398.0002.177
286 nonenull 398.0002.177
287 camonohashi 398.0002.177
288 うっしー 398.0002.176
289 test 398.0002.176
290 team-f 398.0002.176
292 88forU1 375.0002.054
293 Iron Bamboo 351.0001.928
294 OAO 338.0001.859
295 Mashiro 336.0001.849
296 salad_var 328.0001.806
297 123 328.0001.806
298 oka 328.0001.806
299 BMM-Sec-Team 328.0001.806
300 N3v43h 328.0001.805
301 nola 328.0001.805
302 flag 328.0001.805
303 EHAX 323.0001.778
304 BorderOfLife 304.0001.678
305 BAKUDAN 304.0001.678
306 Pr1de 304.0001.678
307 Testing 304.0001.677
308 Raptors 304.0001.677
309 trents 304.0001.677
310 H4V0C 302.0001.666
311 OhYeahSeC 302.0001.666
312 CTTTTTTTTTTTTTTTTTTTF 302.0001.666
313 phonex 302.0001.665
314 16n1710n 296.0001.634
315 B0rn^t0^expl0it 296.0001.633
316 The Stupid Geeks 296.0001.633
317 Alone 296.0001.633
318 KiN3t1cs 296.0001.633
319 AWACS 296.0001.632
320 Hackers@FPT 296.0001.632
321 testttt 296.0001.632
322 White Devil 296.0001.632
323 Thr4t Hunt1n9 292.0001.610
324 TAPAU2025 292.0001.610
325 anh em mình cứ thế thôi hẹ hẹ hẹ 292.0001.610
326 あいうえお 292.0001.610
327 f4n_n3r0 292.0001.609
328 sawachan 292.0001.609
329 The Order 292.0001.609
330 minimaeromae 292.0001.609
331 Ketchup(Catch-up) 292.0001.608
332 maetsuyo 292.0001.608
333 user_5656 292.0001.608
334 He3Ha10 292.0001.608
335 m0nk3y 292.0001.608
336 lumos 292.0001.607
337 FlagForge 292.0001.607
338 wh1t3_D3v1L 292.0001.607
339 wu 292.0001.607
340 ADSL2025 292.0001.606
341 louise 292.0001.606
342 Obsidian Howlers 292.0001.606
343 Kheshig 292.0001.606
344 VSL_P4rad0x 292.0001.606
345 wingtip 292.0001.605
346 hisui 292.0001.605
347 G-RISE 292.0001.605
348 firststep 292.0001.605
349 N0N@me13 292.0001.605
350 ATLEG 292.0001.604
351 Jan 292.0001.604
352 Triada 292.0001.604
353 r1ts3c 292.0001.604
354 Z3r0Bl00d 292.0001.604
355 Deepshallow 292.0001.603
356 testing_this 292.0001.603
357 Evil Tux 292.0001.603
358 CyKuma 292.0001.603
359 t113c53043 292.0001.603
360 Chmoula 292.0001.602
361 bratushka 292.0001.602
362 IgelsCTF 292.0001.602
363 @L0new01f 292.0001.602
364 lalala 292.0001.602
365 CSI-CSTJEAN 292.0001.601
366 Pratice 292.0001.601
367 Bonobono 292.0001.601
368 seedling 292.0001.601
369 pwnableonly 288.0001.580
370 Moe7 288.0001.580
371 Achleole 281.0001.543
372 arkarkfan69 279.0001.532
373 zvikam 267.0001.469
374 notjapan 244.0001.348
375 xryuseix 234.0001.295
376 PSO 234.0001.295
377 ibarkay 234.0001.295
378 VAUNDY 232.0001.284
379 jwcs 232.0001.284
380 tr0x69 232.0001.284
381 shibaaa 208.0001.158
382 meowmeow 202.0001.126
383 WHSploiters 202.0001.126
384 heoty 202.0001.126
385 Komarty Japan 202.0001.125
386 M0r3 L1F3 200.0001.115
387 sudoaccess 200.0001.115
388 kBxAc 200.0001.114
389 chungtakhonggiongnhau 198.0001.104
390 Daybreak 198.0001.104
391 weewoo 198.0001.103
392 #MogamiShizuka 198.0001.103
393 VVV 198.0001.103
394 R3c0n_X 198.0001.103
395 Warrior's den 198.0001.103
396 red13ua 196.0001.092
397 5p0r7 196.0001.092
398 rocket 196.0001.092
399 NONNON 196.0001.092
400 Soisina 196.0001.091
401 herzenstube.team 196.0001.091
403 doc101 190.0001.060
404 econanringo 190.0001.059
405 Jomoks 190.0001.059
406 bi0sblr 190.0001.059
407 MyMoon's Paradise 190.0001.059
408 Praying for you 🕯 O Great Mita 💝 190.0001.059
409 n3oSyn 190.0001.059
410 KING 190.0001.058
411 uncle_a3h 190.0001.058
412 Rom 190.0001.058
413 RooterX 190.0001.058
414 radhe098 190.0001.058
415 R1yhtp 190.0001.058
416 doraneko 190.0001.058
417 kim 190.0001.057
418 npc 190.0001.057
419 The_Godfather 190.0001.057
420 Pawang Badut 190.0001.057
421 Myteam 190.0001.057
422 hitv 190.0001.057
423 auiao 190.0001.057
424 JoJoBaOil 190.0001.056
425 r4bbit 190.0001.056
426 data_diggers 190.0001.056
427 $h∆d0w 190.0001.056
428 t0 190.0001.056
429 FOSA 190.0001.056
430 fire 190.0001.056
431 TOROROZIRU 190.0001.055
432 oolong_tea 190.0001.055
433 XploiT 190.0001.055
434 pazam 190.0001.055
435 hfhf 190.0001.055
436 kanbedon 190.0001.055
437 smddd 190.0001.055
438 sentooooooon 190.0001.055
439 Yousef 190.0001.054
440 39 190.0001.054
441 Xür 190.0001.054
442 HB 190.0001.054
443 Ahhhhhhimdying 190.0001.054
444 marshmello 190.0001.054
445 clashofclaws 190.0001.054
446 chocolate-ball 190.0001.054
447 Xorg-worship 190.0001.053
448 RENARD SOLITAIRE 190.0001.053
449 I LOVE APPLE JUICE 190.0001.053
450 cryptic_nova 190.0001.053
451 zer0toh3ro 190.0001.053
452 sonax999 190.0001.053
453 Omtose Phellack 190.0001.053
454 NotWinning 190.0001.053
455 tana 190.0001.052
456 VCP 190.0001.052
457 Kei9823 190.0001.052
458 phoenex 190.0001.052
459 newbie12 190.0001.052
461 Qubitronix 190.0001.052
462 lucifer123 138.0000.779
463 wh0am1 138.0000.778
464 Checker 138.0000.778
465 kou 138.0000.778
466 snail 138.0000.778
467 sebsrt 138.0000.778
468 Melon 138.0000.778
469 YajuSenpai 133.0000.752
470 307304 106.0000.610
471 desihackers 106.0000.610
472 ambot 106.0000.609
473 'god'[::-1] 106.0000.609
474 dpl_pwn 106.0000.609
475 G1ve_m3_fl4g 106.0000.609
476 bobby 106.0000.609
477 Turkey 102.0000.588
478 Centaurus 102.0000.588
479 skk 102.0000.588
480 FinalLuckySeven 102.0000.588
481 NTD 102.0000.587
482 nayrc 96.0000.556
483 عmR 96.0000.556
484 trrsb 96.0000.556
485 Prmtalent 96.0000.556
486 shibainu 96.0000.555
487 Vaseline 96.0000.555
488 lockedin 96.0000.555
489 F1ow3r_Gard3n 96.0000.555
490 roloroll 96.0000.555
491 beep beep 96.0000.555
492 at24 96.0000.555
493 PracticeTeam 94.0000.544
494 AR 94.0000.544
495 teamZebin 94.0000.544
496 mal 94.0000.544
497 Wanna.Smile 94.0000.544
498 kaz 94.0000.544
499 BU$TER$ 94.0000.544
500 zzz 94.0000.543
501 MCZ 94.0000.543
502 rabnavi 94.0000.543
503 5h4d0wb10k3r 94.0000.543
504 DARK↯STARS 94.0000.543
505 ctfrrteam 94.0000.543
506 CyberCh1ck 94.0000.543
507 Hunt3r Z3r0 94.0000.543
508 sh4d0w 94.0000.543
509 tatsuta 94.0000.543
510 buds 94.0000.543
511 test1234 94.0000.542
512 Team KALKI 94.0000.542
513 KJalone 94.0000.542
514 PRIME 94.0000.542
515 Deshi Aloo 94.0000.542
516 lol 94.0000.542
517 D6ath E9ters 94.0000.542
518 ThomasgKorp 94.0000.542
519 vxd reborn 94.0000.542
520 siberian 94.0000.542
521 Bingo 94.0000.541
522 Unkwalkers 94.0000.541
523 ludlgr 94.0000.541
524 c0d3_r3d 94.0000.541
525 nigga loves sex 94.0000.541
526 fzhshzh 94.0000.541
527 g0d_ZillA 94.0000.541
528 gruf 94.0000.541
529 The_Hacktivists 94.0000.541
530 2ez4us 94.0000.541
531 skulobasket 94.0000.541
532 in 94.0000.540
533 mimimimi 94.0000.540
534 tuanpc 94.0000.540
535 RootForcee 94.0000.270
536 HackerTroupe 94.0000.270
537 kgrzk2025 94.0000.270
538 Team Single 94.0000.270
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