Sat, 21 June 2025, 12:00 UTC — Sun, 22 June 2025, 12:00 UTC 

On-line

cornCTF event.

Format: Jeopardy Jeopardy

Official URL: https://cornc.tf/

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

Future weight: 23.12 

Rating weight: 23.12 

Event organizers 

A CTF by a friendly team of farmers. Includes challenges of the following categories:

- pwn
- reverse
- crypto
- web
- misc

Official writeups are available at https://github.com/pwnlentoni/cornCTF-2025-public

Scoreboard

270 teams total

PlaceTeamCTF pointsRating points
1 Srdnlen 7282.00046.240
2 ARESx 5862.00030.172
3 TheRomanXpl0it 3590.00019.105
4 RSC 3342.00016.391
5 uncavohdmi 3342.00015.235
6 K!nd4SUS 3334.00014.439
7 napwnli 2846.00012.339
8 MindCrafters 1976.0009.164
9 ByteTheCookies 1966.0008.811
10 0xE0F 1642.0007.525
11 Pwnissa 1566.0007.074
12 Ulisse 1296.0006.041
13 twosheep 1290.0005.874
14 Hakjerzy 1192.0005.436
15 deathwing 1098.0005.027
16 HCS 1092.0004.912
17 aaaaa 1056.0004.713
18 MadrHacks 1046.0004.605
19 biggerbomber 986.0004.347
20 Pwncetta e Pecorino 968.0004.229
21 Nc{Cat} 886.0003.914
22 m0nkeysgobrrrrrr 868.0003.807
23 fibonhack 770.0003.450
24 How I Met Your Malware 758.0003.370
25 bhackari 752.0003.312
26 HjarterHex 752.0003.277
27 samuelsiv 752.0003.244
28 jsusyehfhaowu 712.0003.086
29 aetruria 670.0002.924
30 J8N 596.0002.663
31 danadevito 588.0002.613
32 Kheshig 538.0002.431
33 NoENV 538.0002.409
34 🐧‎ 518.0002.325
35 sophea 518.0002.305
36 krkrdkdk 518.0002.287
37 ylz 488.0002.174
38 CRUx BPHC 472.0002.107
39 d3xter 440.0001.990
40 70M470_50UP 390.0001.816
41 HoleInBottle 390.0001.802
42 ThePlayer372 380.0001.757
43 ncodeks 380.0001.744
44 LilNick0101 380.0001.732
45 GalSafe 380.0001.720
46 lkyc137 330.0001.550
47 khalil 280.0001.381
48 Lysithea 280.0001.371
49 MrKr@bs 110.0000.821
50 unkn3wnDB 110.0000.812
51 lethalz 100.0000.771
52 0x5W1TCH 100.0000.762
53 Singapore Students Merger 100.0000.754
54 Unemployed Nerds 100.0000.746
55 hellokitty 100.0000.738
56 Flag Sharing 100.0000.730
57 NY4MUK 100.0000.723
58 nhl4000 100.0000.716
59 Chaoyue 100.0000.709
60 Cy3er_Gh0st 100.0000.703
61 HxN0n3 100.0000.697
62 j4ck4l 100.0000.690
63 1nf1n1ty 100.0000.684
64 c0unt 100.0000.679
65 Sticky Bits 100.0000.673
66 cookspaghetti 100.0000.668
67 benzo 100.0000.663
68 L00n9 100.0000.657
69 Nayanko 100.0000.653
70 SiBears 100.0000.648
71 Giddy 100.0000.643
72 Evil Tux 100.0000.639
73 e3qsz 60.0000.507
74 D1r3_W0Lf 60.0000.503
75 shaylatyagi 60.0000.499
76 Sytnax Error 60.0000.495
77 0xFUN 60.0000.491
78 ZeroLight 60.0000.487
79 7heK0w3r 60.0000.483
80 kada 60.0000.479
81 APISec Avengers 60.0000.476
82 зhyscorgi 60.0000.472
83 CypherForce 60.0000.469
84 SmoothOperator 60.0000.466
85 $cr1pt_K1dd13$ 50.0000.431
86 SyntaxTerrons 50.0000.428
87 0xLunar292 50.0000.424
88 Psyki 50.0000.421
89 Nurul0603 50.0000.419
90 ThePhantomPhreak 50.0000.416
91 Xorg-worship 50.0000.413
92 0xFre3Pls 50.0000.410
93 nguyendinhanh1508 50.0000.407
94 nzn 50.0000.405
95 Andrew 50.0000.402
96 wel0vemilfs 50.0000.400
97 Malekith 50.0000.397
98 wizard 50.0000.395
99 Sexist_69 50.0000.392
100 silent_hacker 50.0000.390
101 FCML 50.0000.388
102 cyR3N 50.0000.385
103 Mr.N1nj4H4ck3r 50.0000.383
104 Ameya314 50.0000.381
105 mel 50.0000.379
106 Jan 50.0000.377
107 HawkDevil 50.0000.375
108 ThePirate42 50.0000.373
109 b0ru 50.0000.371
110 Lutris 50.0000.369
111 lntm2006 50.0000.367
112 R1yhtp 50.0000.365
113 Avifrin 50.0000.363
114 Dp1H3R0x 50.0000.362
115 kisu 50.0000.360
116 r00tn3p@! 50.0000.358
117 Spinel99 50.0000.356
118 Davy 50.0000.355
119 aweaver 50.0000.353
120 do not the car 50.0000.351
121 kiri 50.0000.350
122 aceTUN 50.0000.348
123 404 Brain Not Found! 50.0000.347
124 CascRoot 50.0000.345
125 CodeChef 50.0000.344
126 tim 50.0000.342
127 ak2148 50.0000.341
128 Paduck 50.0000.339
129 BackMoon 50.0000.338
130 TheMaverick 50.0000.337
131 opera 50.0000.335
132 El1teS3c 50.0000.334
133 %random% 50.0000.333
134 kBxAc 50.0000.331
135 jakehu2020 50.0000.330
136 k3rn3l32 50.0000.329
137 gkarchemsky 50.0000.328
138 l3v1__ 50.0000.326
139 YMD_HK 50.0000.325
140 lllllllllllll 50.0000.324
141 ayushch 50.0000.323
142 YoungKevin 50.0000.322
143 Mati_Tanam 50.0000.320
144 jjroccss 50.0000.319
145 IgelsCTF 50.0000.318
146 itzendgame 50.0000.317
147 sinktor 50.0000.316
148 C0N4N 50.0000.315
149 H4t3m 50.0000.314
150 marla_singer 50.0000.313
151 LUCKY_Lucc4n0 50.0000.312
152 Fc8 50.0000.311
153 KVV 50.0000.310
154 Charlie001 50.0000.309
155 marsh 50.0000.308
156 g1rliep0p 50.0000.307
157 j3tr4y 50.0000.306
158 3HLD 50.0000.305
159 gyun 50.0000.304
160 Cake 50.0000.303
161 theranger815 50.0000.302
162 Z3r0Bl00d 50.0000.301
163 doomr 50.0000.301
164 Byte Me Maybe 50.0000.300
165 JSP4RKY 50.0000.299
166 299 50.0000.298
167 Massan 50.0000.297
168 Ch1p 50.0000.296
169 iamgreedy 50.0000.296
170 GR33NB0Y 50.0000.295
171 helixjoe 50.0000.294
172 A2Zog 50.0000.293
173 fzhshzh 50.0000.292
174 jacksonb 50.0000.292
175 zer0 50.0000.291
176 maxrenke 50.0000.290
177 newbie12 50.0000.289
178 dr.ix 50.0000.289
179 Tadlos 50.0000.288
180 r4v3ncl4w_p3ngu1n 50.0000.287
181 JinHann 50.0000.286
182 C0rn_Cr4ck3r 50.0000.286
183 Cryptonite 50.0000.285
184 lovebug 50.0000.284
185 r00tbyt3 50.0000.284
186 pzjpzy 50.0000.283
187 1c3Gh3tt0 50.0000.282
188 Fox 50.0000.282
189 labu 50.0000.281
190 danielagatan 50.0000.280
191 N1KO 50.0000.280
192 K4R7H1K 50.0000.279
193 hieu_lan 50.0000.279
194 los ratones 50.0000.278
195 Zer0da7 50.0000.277
196 aarushG 50.0000.277
197 N00b 50.0000.276
198 bananamilkshake 50.0000.276
199 meeribeeri 50.0000.275
200 Pink Banshi 50.0000.274
201 hadakoi 50.0000.274
202 Monarch 50.0000.273
203 horizontal 50.0000.273
204 Alexius 50.0000.272
205 113c53043 50.0000.272
206 ctfrrteam 50.0000.271
207 AyyyCn 50.0000.270
208 t4t3012 50.0000.270
209 byt3r00t 50.0000.269
210 SRIHARISH V J 50.0000.269
211 f4n_n3r0 50.0000.268
212 yeknom 50.0000.268
213 marv1nh 50.0000.267
214 Mikulas 50.0000.267
215 ULAN 50.0000.266
216 zleaff 50.0000.266
217 sm1ley 50.0000.265
218 expl0itmy4ss 50.0000.265
219 yellowriver81 50.0000.264
220 h7sn 50.0000.264
221 sh8tan 50.0000.263
222 ali33422 50.0000.263
223 ozwiz 50.0000.262
224 TheRealQewave 50.0000.262
225 KAK4SH1 50.0000.262
226 madskillz 50.0000.261
227 pwn.charity 50.0000.261
228 Oranges&Bananas 50.0000.260
229 Zeus 50.0000.260
230 Unknown 50.0000.259
231 vlsr 50.0000.259
232 WHITE_SOULE 50.0000.258
233 jardgruv 50.0000.258
234 kgrzk2025 50.0000.258
235 Dxrie 50.0000.257
236 JP_sakura 50.0000.257
237 xzhiyouu 50.0000.256
238 gobbledy 50.0000.256
239 yasoikawa2 50.0000.255
240 ahamed01 50.0000.255
241 Ketchup(Catch-up) 50.0000.255
242 Sohamd619 50.0000.254
243 Minimenter 50.0000.254
244 hanto 50.0000.254
245 -_- 50.0000.253
246 c901315f1f1a52b0 50.0000.253
247 Lee Tzyy Kae 50.0000.252
248 Qu4nt1x 50.0000.252
249 gcmaximus 50.0000.252
250 4n4gh4 50.0000.251
251 ClassicNerd 50.0000.251
252 linguo 50.0000.250
253 watkornReal 50.0000.250
254 vedha73varshini 50.0000.250
255 D@koo 50.0000.249
256 ad3n 50.0000.249
257 calin 50.0000.249
258 H3MMY 50.0000.248
259 bssjh125842 50.0000.248
260 GlitchMatrix 50.0000.248
261 ghjnuyujty 50.0000.247
262 CyberFlux 50.0000.247
263 Zer0Trace 50.0000.247
264 heapwr3cker69 50.0000.246
265 okml265p 50.0000.246
266 Na_g1404 50.0000.246
267 heapwr3cker 50.0000.245
268 pwntential 50.0000.245
269 Omar 10.0000.118
270 boogeyman 10.0000.059
azumsazumaJune 26, 2025, 1:11 p.m.

Résumé du ctf ... Comment on a retrouvé les flag


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