Fri, 09 June 2023, 10:00 UTC — Sat, 10 June 2023, 21:59 UTC 

On-line

GPN CTF event.

Format: Jeopardy Jeopardy

Official URL: https://ctf.kitctf.de/

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

Future weight: 31.17 

Rating weight: 24.58 

Event organizers 

Welcome to the fl4gtory!
The GPN CTF 2023 is this year’s edition of the KITCTFCTF. Play online or in person at the GPN.

This is a student run jeopardy-style CTF with challenges from all major categories such as crypto, pwn, reversing, web, misc and some more exotic ones. From easy challenges that make for a great first CTF, to hard challenges requiring new exploitation techniques, GPN CTF this year covers it all.
Discord: https://discord.gg/gcKpmvcgrW

Prizes

Prizes:
1st Place - 500$
2nd Place - 300$
3rd Place - 200$

Writeup Prizes:
Best overall writeup: $200 (1 time)
Best unintentional solution: $50 (1 time)
Best writeup of the pwn, rev, misc, crypto, web category: $150 (5 times)
Other writeups we liked: $100 (5 times)

We cannot give prizes to individuals on the U.S. sanctions list, or any individual residing in any U.S.-sanctioned country.

Thank you to our sponsors for supporting the CTF!
* Main & Writeup Sponsor: Zellic
* Prize Sponsor: GitHub Security Lab
* Infrastructure Sponsor: TelemaxX Telekommunikation GmbH

Scoreboard

442 teams total

PlaceTeamCTF pointsRating points
1 r3kapig 14546.00049.160
2 Fruit Ninja (gay) 13695.00035.432
3 Platypwnies 13166.00030.441
4 h4tum 12642.00027.508
5 Tower of Hanoi 10551.00022.745
6 Spotless 7001.00015.927
7 ENOFLAG 6386.00014.303
8 MadrHacks 5925.00013.085
9 FAUST 5693.00012.351
10 Srdnlen 5525.00011.794
11 L3ak 4827.00010.391
12 a.K.a.C.S.u.C.i 4008.0008.821
13 CVE2K9 3875.0008.439
14 TRX 3869.0008.294
15 RedRocket 3163.0006.984
16 ZenHack 2857.0006.364
17 ilariodalmon 2793.0006.166
18 Emu Exploit 2662.0005.864
19 pwnthenope 2472.0005.471
20 Flag Poisoning 2300.0005.116
21 Weak But Leet 2293.0005.045
22 CyberTaskForce Zero 2150.0004.750
23 dohki 1949.0004.362
24 Team H4C 1871.0004.186
25 l||l|llll||l|ll| 1846.0004.103
26 Ludicrous Avengers of Ridiculous Shenanigans (LARS) 1768.0003.933
27 ARESx 1690.0003.766
28 coldboots 1680.0003.717
29 Th3_Order_Of_th3_pH0en1x 1564.0003.490
30 Kaiziron 1547.0003.433
31 hack^3 1479.0003.292
32 Pwnzer0tt1 1479.0003.267
33 PwnProphecy 1464.0003.219
34 RoyalRoppers 1426.0003.133
35 c0s1n3 1358.0002.997
36 CarpeDien 1349.0002.962
37 My4nM4r 1348.0002.942
38 Taskforce-XCalibur:~# 1337.0002.906
39 Namenotfound 1319.0002.859
40 Hack@Sec 1308.0002.825
41 TCP1P 1300.0002.796
42 CYberMouflons 1219.0002.645
43 Semmelgruppe 1185.0002.574
44 0V3RFL0W 1085.0002.392
45 Netcoil 1074.0002.361
46 Elysian Realms 1065.0002.334
47 bazed 1045.0002.289
48 GammaSnake 985.0002.177
49 EvilBunnyWrote 942.0002.093
50 Z0k3r 938.0002.077
51 Sk4r 938.0002.067
52 win32kdie 918.0002.024
53 Social Engineering Experts 901.0001.986
54 Hash Cracking Slasher 894.0001.966
55 ddd 890.0001.951
56 luxeria 885.0001.934
57 ISITDTU 855.0001.876
58 Violet 826.0001.820
59 aa.crypto 819.0001.801
60 Amsterdam University of Applied Code Breakers 808.0001.775
61 GreyURV 804.0001.762
62 mango 785.0001.723
63 ItayBSoloRun 766.0001.685
64 superbeginner 719.0001.599
65 Stuss 718.0001.591
66 YellowFrogs 686.0001.532
67 Iderected 667.0001.494
68 Audax Invictus 667.0001.489
69 k4mp3t 667.0001.483
70 n_squared 663.0001.471
71 havefun 647.0001.440
72 nohackspace 622.0001.392
73 Don Quijote 619.0001.383
74 r0ast2st 619.0001.378
75 Nero-Hero 619.0001.374
76 DeadSec 619.0001.369
77 V:HackaBoia 619.0001.365
78 Phantom_Troupe 590.0001.312
79 Armitage 588.0001.305
80 BITS-SOS 582.0001.291
81 Westwoodlabs 575.0001.275
82 Freakazoids 575.0001.271
83 Red Cadets 556.0001.236
84 1nf1n1ty 552.0001.225
85 H4ckM3ck 547.0001.214
86 Haquium Harpvrgensis 538.0001.195
87 AuroraDawn 519.0001.160
88 Imposter detection squad 519.0001.156
89 PlasteRooter 519.0001.153
90 WannaLrn 519.0001.150
91 J 519.0001.147
92 EM1X 500.0001.112
93 Bits Bandits 494.0001.099
94 KMA.CrY_t0 467.0001.051
95 Die schwitzenden Otter 466.0001.046
96 Flax 456.0001.027
97 HexHenne 447.0001.009
98 serioton 419.0000.959
99 21v 419.0000.956
100 NMSP 419.0000.954
101 zom.bi nOObs 419.0000.951
102 mangos! 419.0000.949
103 Ch33mz 419.0000.947
104 Unicorns of Security 419.0000.944
105 SUS 419.0000.942
106 4ryu 400.0000.908
107 Elite.sa 400.0000.906
108 noraneco 400.0000.904
109 c00k1e cptr 400.0000.901
110 Pixel Perfect 400.0000.899
111 LMDS 400.0000.897
112 Uni0n$ele<t 385.0000.870
113 water1flag 367.0000.838
114 Ireland without the RE 366.0000.834
115 d3ltaforce 356.0000.815
116 pswd_is_123 352.0000.807
117 rambutan 345.0000.793
118 MK37 319.0000.747
119 Chrisliebär 319.0000.746
120 TEAM 319.0000.744
121 JOptionPane 319.0000.742
122 neodemon 303.0000.713
123 abeshinee 300.0000.707
124 kol 300.0000.705
125 sayabidevs(real) 300.0000.704
126 Pain 300.0000.702
127 justforfun^2 300.0000.700
128 AuQuangDuc 300.0000.699
129 Cool Team 300.0000.697
130 SiliconBits 300.0000.696
131 ACT48 300.0000.695
132 GrippoVerde 300.0000.693
133 P3N3TR@T3D 300.0000.692
134 zebear 300.0000.690
135 nhl4000 300.0000.689
136 セキュリティーパック 300.0000.688
137 CyberSpace 300.0000.686
138 robot 300.0000.685
139 n0ti0n 300.0000.684
140 PIII,N 300.0000.683
141 codebreakers 300.0000.681
142 TryFingers... 300.0000.680
143 0xdeadbeef 256.0000.604
144 VSM 247.0000.588
145 nojus 219.0000.540
146 Boot2Rue 219.0000.538
147 ForPlaizAndLulz_ 219.0000.537
148 noname 219.0000.536
149 th2k4n 219.0000.535
150 p4wnWAT 200.0000.502
151 Federal_Bonk_Investigations 200.0000.501
152 TBTL 200.0000.500
153 Ng00m4lDhuhr 200.0000.499
154 BBhunt3rs 200.0000.498
155 H@ckXi0m 200.0000.497
156 Ragnarok 200.0000.496
157 TCTN 200.0000.495
158 qwerty 200.0000.494
159 pwners 200.0000.493
160 dulDul 200.0000.492
161 D4ck3n 200.0000.491
162 Hantu Siber 200.0000.490
163 CyberSecurityNevtik 200.0000.489
164 xD-h4cK3r5 200.0000.488
165 Burger Komanda 200.0000.487
166 BeiluoSect 200.0000.486
167 JTH 200.0000.485
168 Nord-Norge 200.0000.484
169 ayoub 200.0000.483
170 Mx9 200.0000.483
171 InfoSecIITR 200.0000.482
172 PaletaRocks 200.0000.481
173 Kartoffel 200.0000.480
174 baby shark 200.0000.479
175 Rezilion 200.0000.478
176 ouais c'est pas mal 200.0000.478
177 INSOMNIAQ 200.0000.477
178 Martial_Law_Enforcer 200.0000.476
179 FFFKA 200.0000.475
180 d4rkn19ht 200.0000.475
181 The Pandavas 200.0000.474
182 fermions 200.0000.473
183 remnux 200.0000.472
184 RKS 200.0000.472
185 KAWIS 200.0000.471
186 C'estCaenQu'onFlag 200.0000.470
187 drdoctor 200.0000.469
188 kllimm 200.0000.469
189 Pwn17 200.0000.468
190 1NS0MN14 200.0000.467
191 PWN4FUN 200.0000.467
192 sixone 200.0000.466
193 fish 200.0000.465
194 7H3 L0N3 200.0000.465
195 IngrifHackTeam 200.0000.464
196 3xCWI 200.0000.463
197 aixy 200.0000.463
198 s4hm4d 200.0000.462
199 nCreeps 200.0000.461
200 PWN++ 200.0000.461
201 Isabelle 200.0000.460
202 mm0r1abc 200.0000.460
203 ppjj 200.0000.459
204 42 200.0000.458
205 killswitch 200.0000.458
206 kok0mi 200.0000.457
207 khi4m5i3 200.0000.457
208 KommtInDieGruppe 200.0000.456
209 MightTryThisAtHome 200.0000.456
210 Cyber_Hunters 200.0000.455
211 minion-rush 200.0000.454
212 megabitr 200.0000.454
213 Presuniv Code Warrior 156.0000.379
214 someone 156.0000.378
215 k3v1n 156.0000.378
216 dude 156.0000.377
217 0x797c0029 156.0000.377
218 sonlx 152.0000.370
219 demotime 147.0000.361
220 Max Kings yard 147.0000.360
221 Anime Monday 147.0000.360
222 LeonT 119.0000.312
223 SmallhajEnjoyers 119.0000.311
224 YMD_HK 100.0000.279
225 n3wbs 100.0000.278
226 R4V3NGU1N 100.0000.278
227 k0ala 100.0000.277
228 pwd94root 100.0000.277
229 0rd3rs 100.0000.276
230 ne_vaznho 100.0000.276
231 XTruffle 100.0000.275
232 SHAOCHI LU 100.0000.275
233 uxrb5c 100.0000.274
234 CTF Rajus 100.0000.274
235 Giveon 100.0000.274
236 3jd3rya 100.0000.273
237 ganyuwangy 100.0000.273
238 Izbirka 100.0000.272
239 n0_mean1ng 100.0000.272
240 goo 100.0000.271
241 berz4rk 100.0000.271
242 DoofenshmirtzEvilInc 100.0000.271
243 JSoyke 100.0000.270
244 FriendshipIsMagic 100.0000.270
245 GulaschAndConquer 100.0000.269
246 BKISC 100.0000.269
247 Madoka 100.0000.268
248 imaginewinning 100.0000.268
249 th3ho4ds 100.0000.268
250 fathertom 100.0000.267
251 greyw0rm 100.0000.267
252 moonflower 100.0000.267
253 black_hats§/& 100.0000.266
254 BITSkrieg 100.0000.266
255 IllIllIIllIIlII 100.0000.265
256 newbie 100.0000.265
257 AN1S 100.0000.265
258 __jb__ 100.0000.264
259 Home Alone 100.0000.264
260 Maschinendeck 100.0000.264
261 casualplayers 100.0000.263
262 rpb 100.0000.263
263 CreativeTeamName 100.0000.262
264 Shades 100.0000.262
265 BeginnerDude 100.0000.262
266 Wolves 100.0000.261
267 MissHoshi 100.0000.261
268 OctoSecurity 100.0000.261
269 smash 100.0000.260
270 DDLJ 100.0000.260
271 0xDogacans 100.0000.260
272 Pakekoding 100.0000.259
273 w1bu_P717 100.0000.259
274 {D3m0Cr4zY} 100.0000.259
275 HiddenInvestigations 100.0000.258
276 Coding Divas 100.0000.258
277 [email protected] 100.0000.258
278 Erza 100.0000.257
279 Pa0x73cal 100.0000.257
280 n0n 100.0000.257
281 Han-Solo 100.0000.256
282 perfect n00dl3 100.0000.256
283 olagh 100.0000.256
284 pageup 100.0000.256
285 herta enjoyer 100.0000.255
286 my_team 100.0000.255
287 Gondor 100.0000.255
288 (Boden)Seetrauma 100.0000.254
289 hsma 100.0000.254
290 f(x) 100.0000.254
291 SoloBoy 100.0000.253
292 Bandits 100.0000.253
293 Wani Hackase 100.0000.253
294 swedishguy 100.0000.253
295 Dorlig 100.0000.252
296 kad 100.0000.252
297 YCF 100.0000.252
298 KerKerYuan 100.0000.251
299 quanh 100.0000.251
300 !LMT 100.0000.251
301 $Anonymous_ 100.0000.251
302 OBE 100.0000.250
303 Blue Star 100.0000.250
304 gencombd 100.0000.250
305 FeldBerg 100.0000.250
306 Strawhats 100.0000.249
307 CCC Basel 100.0000.249
308 IEEEFTW 100.0000.249
309 Ucha_CTF 100.0000.249
310 Bits & Pieces 100.0000.248
311 deta 100.0000.248
312 Informationstechnik 100.0000.248
313 KXTI_GG 100.0000.248
314 A-Esjes 100.0000.247
315 chirrefirre fan club 100.0000.247
316 ForPlaizAndLulz 100.0000.247
317 Vikto23456 100.0000.247
318 Hackyou 100.0000.246
319 TFGJ? 100.0000.246
320 Team0xNull 100.0000.246
321 n4me 100.0000.246
322 CyberSoldiers 100.0000.245
323 siro53 100.0000.245
324 pingCTF 100.0000.245
325 0xhacked 100.0000.245
326 G-Vi.kings 100.0000.244
327 Red_Rebels 100.0000.244
328 slytherin 100.0000.244
329 salespies 100.0000.244
330 purplestorm 100.0000.243
331 GulaschFanBoys 100.0000.243
332 IFTX86BitAstral 100.0000.243
333 ancd 100.0000.243
334 shadys 100.0000.243
335 [we] 100.0000.242
336 3sadman 100.0000.242
337 UCH 100.0000.242
338 Cy83r_Cru54d3r5 100.0000.242
339 3660 100.0000.241
340 4ynAnI-MyNeNya 100.0000.241
341 Zanka 100.0000.241
342 En1gm4t1c 100.0000.241
343 huboc 100.0000.241
344 Krakeling 100.0000.240
345 Shadow_C@dt 100.0000.240
346 Toor97 100.0000.240
347 :capoo_scared: 100.0000.240
348 Pecorux_solo 100.0000.240
349 ODB famZ 100.0000.239
350 Revenger 100.0000.239
351 Advanced CTF Threat 100.0000.239
352 jjiiwon 100.0000.239
353 mooseq 100.0000.239
354 roms3700 100.0000.238
355 BRO 100.0000.238
356 tuxic 100.0000.238
357 BabyChicken 100.0000.238
358 Super_Hackers 100.0000.238
359 K1mCh1W@rr10r 100.0000.237
360 työryhmä 100.0000.237
361 CaptureTheFrog 100.0000.237
362 Just4Fun 100.0000.237
363 BandX 100.0000.237
364 bacon2 100.0000.237
365 Ramses 100.0000.236
366 M0ud4 100.0000.236
367 ctf_l54rN5r 100.0000.236
368 dr4k3 100.0000.236
369 pogger9494 100.0000.236
370 Ree 100.0000.235
371 skyepodium 100.0000.235
372 ROIS 100.0000.235
373 Tandava 100.0000.235
374 1336 100.0000.235
375 Alexius 100.0000.235
376 Cydhra 100.0000.234
377 thugs 100.0000.234
378 D3lt4M1k3 100.0000.234
379 imzkm 100.0000.234
380 Shell We Hack? 100.0000.234
381 NonVolatile 100.0000.233
382 invalid 100.0000.233
383 ucabrera 100.0000.233
384 wouyam 100.0000.233
385 HackMeck 100.0000.233
386 gr33n_p4wn 100.0000.233
387 CryptexCTF 100.0000.232
388 F055il215 100.0000.232
389 compleX 100.0000.232
390 alfahad 100.0000.232
391 Fsec 100.0000.232
392 Elaine_niu 100.0000.232
393 Amogus 100.0000.232
394 TechSentinels 100.0000.231
395 WiniSaurius 100.0000.231
396 🐧 100.0000.231
397 seren 100.0000.231
398 7071 100.0000.231
399 WarWohlNix 100.0000.231
400 ELF Binary 100.0000.230
401 caz yapma 100.0000.230
402 Slab Allocator 100.0000.230
403 Do_I_Know_You? 100.0000.230
404 10 100.0000.230
405 EmergencyBucket 100.0000.230
406 cellerz 100.0000.230
407 Ha3 100.0000.229
408 w4nd3r 100.0000.229
409 Schnitzel(vegan) 100.0000.229
410 Darkside 100.0000.229
411 Corby 100.0000.229
412 play bcactf 100.0000.229
413 confilc 100.0000.228
414 shadow aperture 100.0000.228
415 DCDC 100.0000.228
416 Pringles 100.0000.228
417 Maj'dul Malware Club 100.0000.228
418 turl3 100.0000.228
419 Shinano 100.0000.228
420 root@cyber 100.0000.228
421 BLUEE 100.0000.227
422 CRUSADERS 100.0000.227
423 kn1gh7 100.0000.227
424 RiST 100.0000.227
425 1n_th3_4ir 100.0000.227
426 你妈的咋这么难 100.0000.227
427 3331 100.0000.227
428 kadog 100.0000.226
429 robberts 100.0000.226
430 2BTop 100.0000.226
431 2mr 100.0000.226
432 At least I tried 100.0000.226
433 ajo 100.0000.226
434 UrchinSec 100.0000.226
435 soloteam 100.0000.225
436 Dolpari 100.0000.225
437 W4ntY0u 100.0000.225
438 bluestar5 100.0000.225
439 Darkz 100.0000.225
440 T4ng0_t34m 100.0000.225
441 G5_Turtle 100.0000.225
442 stalk 100.0000.112
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