Sat, 21 June 2025, 12:00 UTC — Sun, 22 June 2025, 12:00 UTC 
On-line
A cornCTF event.
Format: Jeopardy 
Official URL: https://cornc.tf/
This event's future weight is subject of public voting!
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
270 teams total
| Place | Team | CTF points | Rating points | |
|---|---|---|---|---|
| 1 | Srdnlen | 7282.000 | 46.240 | |
| 2 | ARESx | 5862.000 | 30.172 | |
| 3 | TheRomanXpl0it | 3590.000 | 19.105 | |
| 4 | RSC | 3342.000 | 16.391 | |
| 5 | uncavohdmi | 3342.000 | 15.235 | |
| 6 | K!nd4SUS | 3334.000 | 14.439 | |
| 7 | napwnli | 2846.000 | 12.339 | |
| 8 | MindCrafters | 1976.000 | 9.164 | |
| 9 | ByteTheCookies | 1966.000 | 8.811 | |
| 10 | 0xE0F | 1642.000 | 7.525 | |
| 11 | Pwnissa | 1566.000 | 7.074 | |
| 12 | Ulisse | 1296.000 | 6.041 | |
| 13 | twosheep | 1290.000 | 5.874 | |
| 14 | Hakjerzy | 1192.000 | 5.436 | |
| 15 | deathwing | 1098.000 | 5.027 | |
| 16 | HCS | 1092.000 | 4.912 | |
| 17 | aaaaa | 1056.000 | 4.713 | |
| 18 | MadrHacks | 1046.000 | 4.605 | |
| 19 | biggerbomber | 986.000 | 4.347 | |
| 20 | Pwncetta e Pecorino | 968.000 | 4.229 | |
| 21 | Nc{Cat} | 886.000 | 3.914 | |
| 22 | m0nkeysgobrrrrrr | 868.000 | 3.807 | |
| 23 | fibonhack | 770.000 | 3.450 | |
| 24 | How I Met Your Malware | 758.000 | 3.370 | |
| 25 | bhackari | 752.000 | 3.312 | |
| 26 | HjarterHex | 752.000 | 3.277 | |
| 27 | samuelsiv | 752.000 | 3.244 | |
| 28 | jsusyehfhaowu | 712.000 | 3.086 | |
| 29 | aetruria | 670.000 | 2.924 | |
| 30 | J8N | 596.000 | 2.663 | |
| 31 | danadevito | 588.000 | 2.613 | |
| 32 | Kheshig | 538.000 | 2.431 | |
| 33 | NoENV | 538.000 | 2.409 | |
| 34 | 🐧 | 518.000 | 2.325 | |
| 35 | sophea | 518.000 | 2.305 | |
| 36 | krkrdkdk | 518.000 | 2.287 | |
| 37 | ylz | 488.000 | 2.174 | |
| 38 | CRUx BPHC | 472.000 | 2.107 | |
| 39 | d3xter | 440.000 | 1.990 | |
| 40 | 70M470_50UP | 390.000 | 1.816 | |
| 41 | HoleInBottle | 390.000 | 1.802 | |
| 42 | ThePlayer372 | 380.000 | 1.757 | |
| 43 | ncodeks | 380.000 | 1.744 | |
| 44 | LilNick0101 | 380.000 | 1.732 | |
| 45 | GalSafe | 380.000 | 1.720 | |
| 46 | lkyc137 | 330.000 | 1.550 | |
| 47 | khalil | 280.000 | 1.381 | |
| 48 | Lysithea | 280.000 | 1.371 | |
| 49 | MrKr@bs | 110.000 | 0.821 | |
| 50 | unkn3wnDB | 110.000 | 0.812 | |
| 51 | lethalz | 100.000 | 0.771 | |
| 52 | 0x5W1TCH | 100.000 | 0.762 | |
| 53 | Singapore Students Merger | 100.000 | 0.754 | |
| 54 | Unemployed Nerds | 100.000 | 0.746 | |
| 55 | hellokitty | 100.000 | 0.738 | |
| 56 | Flag Sharing | 100.000 | 0.730 | |
| 57 | NY4MUK | 100.000 | 0.723 | |
| 58 | nhl4000 | 100.000 | 0.716 | |
| 59 | Chaoyue | 100.000 | 0.709 | |
| 60 | Cy3er_Gh0st | 100.000 | 0.703 | |
| 61 | HxN0n3 | 100.000 | 0.697 | |
| 62 | j4ck4l | 100.000 | 0.690 | |
| 63 | 1nf1n1ty | 100.000 | 0.684 | |
| 64 | c0unt | 100.000 | 0.679 | |
| 65 | Sticky Bits | 100.000 | 0.673 | |
| 66 | cookspaghetti | 100.000 | 0.668 | |
| 67 | benzo | 100.000 | 0.663 | |
| 68 | L00n9 | 100.000 | 0.657 | |
| 69 | Nayanko | 100.000 | 0.653 | |
| 70 | SiBears | 100.000 | 0.648 | |
| 71 | Giddy | 100.000 | 0.643 | |
| 72 | Evil Tux | 100.000 | 0.639 | |
| 73 | e3qsz | 60.000 | 0.507 | |
| 74 | D1r3_W0Lf | 60.000 | 0.503 | |
| 75 | shaylatyagi | 60.000 | 0.499 | |
| 76 | Sytnax Error | 60.000 | 0.495 | |
| 77 | 0xFUN | 60.000 | 0.491 | |
| 78 | ZeroLight | 60.000 | 0.487 | |
| 79 | 7heK0w3r | 60.000 | 0.483 | |
| 80 | kada | 60.000 | 0.479 | |
| 81 | APISec Avengers | 60.000 | 0.476 | |
| 82 | зhyscorgi | 60.000 | 0.472 | |
| 83 | CypherForce | 60.000 | 0.469 | |
| 84 | SmoothOperator | 60.000 | 0.466 | |
| 85 | $cr1pt_K1dd13$ | 50.000 | 0.431 | |
| 86 | SyntaxTerrons | 50.000 | 0.428 | |
| 87 | 0xLunar292 | 50.000 | 0.424 | |
| 88 | Psyki | 50.000 | 0.421 | |
| 89 | Nurul0603 | 50.000 | 0.419 | |
| 90 | ThePhantomPhreak | 50.000 | 0.416 | |
| 91 | Xorg-worship | 50.000 | 0.413 | |
| 92 | 0xFre3Pls | 50.000 | 0.410 | |
| 93 | nguyendinhanh1508 | 50.000 | 0.407 | |
| 94 | nzn | 50.000 | 0.405 | |
| 95 | Andrew | 50.000 | 0.402 | |
| 96 | wel0vemilfs | 50.000 | 0.400 | |
| 97 | Malekith | 50.000 | 0.397 | |
| 98 | wizard | 50.000 | 0.395 | |
| 99 | Sexist_69 | 50.000 | 0.392 | |
| 100 | silent_hacker | 50.000 | 0.390 | |
| 101 | FCML | 50.000 | 0.388 | |
| 102 | cyR3N | 50.000 | 0.385 | |
| 103 | Mr.N1nj4H4ck3r | 50.000 | 0.383 | |
| 104 | Ameya314 | 50.000 | 0.381 | |
| 105 | mel | 50.000 | 0.379 | |
| 106 | Jan | 50.000 | 0.377 | |
| 107 | HawkDevil | 50.000 | 0.375 | |
| 108 | ThePirate42 | 50.000 | 0.373 | |
| 109 | b0ru | 50.000 | 0.371 | |
| 110 | Lutris | 50.000 | 0.369 | |
| 111 | lntm2006 | 50.000 | 0.367 | |
| 112 | R1yhtp | 50.000 | 0.365 | |
| 113 | Avifrin | 50.000 | 0.363 | |
| 114 | Dp1H3R0x | 50.000 | 0.362 | |
| 115 | kisu | 50.000 | 0.360 | |
| 116 | r00tn3p@! | 50.000 | 0.358 | |
| 117 | Spinel99 | 50.000 | 0.356 | |
| 118 | Davy | 50.000 | 0.355 | |
| 119 | aweaver | 50.000 | 0.353 | |
| 120 | do not the car | 50.000 | 0.351 | |
| 121 | kiri | 50.000 | 0.350 | |
| 122 | aceTUN | 50.000 | 0.348 | |
| 123 | 404 Brain Not Found! | 50.000 | 0.347 | |
| 124 | CascRoot | 50.000 | 0.345 | |
| 125 | CodeChef | 50.000 | 0.344 | |
| 126 | tim | 50.000 | 0.342 | |
| 127 | ak2148 | 50.000 | 0.341 | |
| 128 | Paduck | 50.000 | 0.339 | |
| 129 | BackMoon | 50.000 | 0.338 | |
| 130 | TheMaverick | 50.000 | 0.337 | |
| 131 | opera | 50.000 | 0.335 | |
| 132 | El1teS3c | 50.000 | 0.334 | |
| 133 | %random% | 50.000 | 0.333 | |
| 134 | kBxAc | 50.000 | 0.331 | |
| 135 | jakehu2020 | 50.000 | 0.330 | |
| 136 | k3rn3l32 | 50.000 | 0.329 | |
| 137 | gkarchemsky | 50.000 | 0.328 | |
| 138 | l3v1__ | 50.000 | 0.326 | |
| 139 | YMD_HK | 50.000 | 0.325 | |
| 140 | lllllllllllll | 50.000 | 0.324 | |
| 141 | ayushch | 50.000 | 0.323 | |
| 142 | YoungKevin | 50.000 | 0.322 | |
| 143 | Mati_Tanam | 50.000 | 0.320 | |
| 144 | jjroccss | 50.000 | 0.319 | |
| 145 | IgelsCTF | 50.000 | 0.318 | |
| 146 | itzendgame | 50.000 | 0.317 | |
| 147 | sinktor | 50.000 | 0.316 | |
| 148 | C0N4N | 50.000 | 0.315 | |
| 149 | H4t3m | 50.000 | 0.314 | |
| 150 | marla_singer | 50.000 | 0.313 | |
| 151 | LUCKY_Lucc4n0 | 50.000 | 0.312 | |
| 152 | Fc8 | 50.000 | 0.311 | |
| 153 | KVV | 50.000 | 0.310 | |
| 154 | Charlie001 | 50.000 | 0.309 | |
| 155 | marsh | 50.000 | 0.308 | |
| 156 | g1rliep0p | 50.000 | 0.307 | |
| 157 | j3tr4y | 50.000 | 0.306 | |
| 158 | 3HLD | 50.000 | 0.305 | |
| 159 | gyun | 50.000 | 0.304 | |
| 160 | Cake | 50.000 | 0.303 | |
| 161 | theranger815 | 50.000 | 0.302 | |
| 162 | Z3r0Bl00d | 50.000 | 0.301 | |
| 163 | doomr | 50.000 | 0.301 | |
| 164 | Byte Me Maybe | 50.000 | 0.300 | |
| 165 | JSP4RKY | 50.000 | 0.299 | |
| 166 | 299 | 50.000 | 0.298 | |
| 167 | Massan | 50.000 | 0.297 | |
| 168 | Ch1p | 50.000 | 0.296 | |
| 169 | iamgreedy | 50.000 | 0.296 | |
| 170 | GR33NB0Y | 50.000 | 0.295 | |
| 171 | helixjoe | 50.000 | 0.294 | |
| 172 | A2Zog | 50.000 | 0.293 | |
| 173 | fzhshzh | 50.000 | 0.292 | |
| 174 | jacksonb | 50.000 | 0.292 | |
| 175 | zer0 | 50.000 | 0.291 | |
| 176 | maxrenke | 50.000 | 0.290 | |
| 177 | newbie12 | 50.000 | 0.289 | |
| 178 | dr.ix | 50.000 | 0.289 | |
| 179 | Tadlos | 50.000 | 0.288 | |
| 180 | r4v3ncl4w_p3ngu1n | 50.000 | 0.287 | |
| 181 | JinHann | 50.000 | 0.286 | |
| 182 | C0rn_Cr4ck3r | 50.000 | 0.286 | |
| 183 | Cryptonite | 50.000 | 0.285 | |
| 184 | lovebug | 50.000 | 0.284 | |
| 185 | r00tbyt3 | 50.000 | 0.284 | |
| 186 | pzjpzy | 50.000 | 0.283 | |
| 187 | 1c3Gh3tt0 | 50.000 | 0.282 | |
| 188 | Fox | 50.000 | 0.282 | |
| 189 | labu | 50.000 | 0.281 | |
| 190 | danielagatan | 50.000 | 0.280 | |
| 191 | N1KO | 50.000 | 0.280 | |
| 192 | K4R7H1K | 50.000 | 0.279 | |
| 193 | hieu_lan | 50.000 | 0.279 | |
| 194 | los ratones | 50.000 | 0.278 | |
| 195 | Zer0da7 | 50.000 | 0.277 | |
| 196 | aarushG | 50.000 | 0.277 | |
| 197 | N00b | 50.000 | 0.276 | |
| 198 | bananamilkshake | 50.000 | 0.276 | |
| 199 | meeribeeri | 50.000 | 0.275 | |
| 200 | Pink Banshi | 50.000 | 0.274 | |
| 201 | hadakoi | 50.000 | 0.274 | |
| 202 | Monarch | 50.000 | 0.273 | |
| 203 | horizontal | 50.000 | 0.273 | |
| 204 | Alexius | 50.000 | 0.272 | |
| 205 | 113c53043 | 50.000 | 0.272 | |
| 206 | ctfrrteam | 50.000 | 0.271 | |
| 207 | AyyyCn | 50.000 | 0.270 | |
| 208 | t4t3012 | 50.000 | 0.270 | |
| 209 | byt3r00t | 50.000 | 0.269 | |
| 210 | SRIHARISH V J | 50.000 | 0.269 | |
| 211 | f4n_n3r0 | 50.000 | 0.268 | |
| 212 | yeknom | 50.000 | 0.268 | |
| 213 | marv1nh | 50.000 | 0.267 | |
| 214 | Mikulas | 50.000 | 0.267 | |
| 215 | ULAN | 50.000 | 0.266 | |
| 216 | zleaff | 50.000 | 0.266 | |
| 217 | sm1ley | 50.000 | 0.265 | |
| 218 | expl0itmy4ss | 50.000 | 0.265 | |
| 219 | yellowriver81 | 50.000 | 0.264 | |
| 220 | h7sn | 50.000 | 0.264 | |
| 221 | sh8tan | 50.000 | 0.263 | |
| 222 | ali33422 | 50.000 | 0.263 | |
| 223 | ozwiz | 50.000 | 0.262 | |
| 224 | TheRealQewave | 50.000 | 0.262 | |
| 225 | KAK4SH1 | 50.000 | 0.262 | |
| 226 | madskillz | 50.000 | 0.261 | |
| 227 | pwn.charity | 50.000 | 0.261 | |
| 228 | Oranges&Bananas | 50.000 | 0.260 | |
| 229 | Zeus | 50.000 | 0.260 | |
| 230 | Unknown | 50.000 | 0.259 | |
| 231 | vlsr | 50.000 | 0.259 | |
| 232 | WHITE_SOULE | 50.000 | 0.258 | |
| 233 | jardgruv | 50.000 | 0.258 | |
| 234 | kgrzk2025 | 50.000 | 0.258 | |
| 235 | Dxrie | 50.000 | 0.257 | |
| 236 | JP_sakura | 50.000 | 0.257 | |
| 237 | xzhiyouu | 50.000 | 0.256 | |
| 238 | gobbledy | 50.000 | 0.256 | |
| 239 | yasoikawa2 | 50.000 | 0.255 | |
| 240 | ahamed01 | 50.000 | 0.255 | |
| 241 | Ketchup(Catch-up) | 50.000 | 0.255 | |
| 242 | Sohamd619 | 50.000 | 0.254 | |
| 243 | Minimenter | 50.000 | 0.254 | |
| 244 | hanto | 50.000 | 0.254 | |
| 245 | -_- | 50.000 | 0.253 | |
| 246 | c901315f1f1a52b0 | 50.000 | 0.253 | |
| 247 | Lee Tzyy Kae | 50.000 | 0.252 | |
| 248 | Qu4nt1x | 50.000 | 0.252 | |
| 249 | gcmaximus | 50.000 | 0.252 | |
| 250 | 4n4gh4 | 50.000 | 0.251 | |
| 251 | ClassicNerd | 50.000 | 0.251 | |
| 252 | linguo | 50.000 | 0.250 | |
| 253 | watkornReal | 50.000 | 0.250 | |
| 254 | vedha73varshini | 50.000 | 0.250 | |
| 255 | D@koo | 50.000 | 0.249 | |
| 256 | ad3n | 50.000 | 0.249 | |
| 257 | calin | 50.000 | 0.249 | |
| 258 | H3MMY | 50.000 | 0.248 | |
| 259 | bssjh125842 | 50.000 | 0.248 | |
| 260 | GlitchMatrix | 50.000 | 0.248 | |
| 261 | ghjnuyujty | 50.000 | 0.247 | |
| 262 | CyberFlux | 50.000 | 0.247 | |
| 263 | Zer0Trace | 50.000 | 0.247 | |
| 264 | heapwr3cker69 | 50.000 | 0.246 | |
| 265 | okml265p | 50.000 | 0.246 | |
| 266 | Na_g1404 | 50.000 | 0.246 | |
| 267 | heapwr3cker | 50.000 | 0.245 | |
| 268 | pwntential | 50.000 | 0.245 | |
| 269 | Omar | 10.000 | 0.118 | |
| 270 | boogeyman | 10.000 | 0.059 | |
Résumé du ctf ... Comment on a retrouvé les flag
