Sat, 27 Dec. 2025, 20:00 UTC — Mon, 29 Dec. 2025, 20:00 UTC 
On-line
A hxp CTF event.
Format: Jeopardy 
Official URL: https://2025.ctf.link/
This event's future weight is subject of public voting!
Event organizers
It’s that time of the year again and December is fast approaching. We are happy to announce this year’s hxp 39C3 CTF, which will run for 48 hours during 39C3. We’re looking forward to seeing you in Hamburg (but you can of course also participate online).
263 teams total
| Place | Team | CTF points | Rating points | |
|---|---|---|---|---|
| 1 | L.A.R.P. | 5020.000 | 196.280 | |
| 2 | dizziness | 4317.000 | 133.466 | |
| 3 | The Flat Network Society | 4111.000 | 113.083 | |
| 4 | Friendly Maltese Citizens | 4111.000 | 104.904 | |
| 5 | Infobahn | 4111.000 | 99.997 | |
| 6 | pasten | 4111.000 | 96.726 | |
| 7 | More Smoked Leet Chicken | 4111.000 | 94.389 | |
| 8 | PwnSec | 3676.000 | 84.133 | |
| 9 | r3kapig | 3635.000 | 81.968 | |
| 10 | Redback Crawlers Ensemble | 3635.000 | 80.878 | |
| 11 | ChiLL Chain | 3635.000 | 79.985 | |
| 12 | 0xFUN | 3635.000 | 79.242 | |
| 13 | FluxFingers | 3353.000 | 73.100 | |
| 14 | BunkyoWesterns | 3200.000 | 69.569 | |
| 15 | Never Stop Exploiting | 3200.000 | 69.102 | |
| 16 | W4llz | 3200.000 | 68.693 | |
| 17 | organizers | 2931.000 | 63.073 | |
| 18 | justCatTheFish | 2878.000 | 61.717 | |
| 19 | mhackeroni | 2877.000 | 61.410 | |
| 20 | Marcio Herobrine | 2877.000 | 61.152 | |
| 21 | WROng_flag | 2574.000 | 54.995 | |
| 22 | KuK Hofhackerei | 2509.000 | 53.511 | |
| 23 | pandasiuuuu | 2354.000 | 50.287 | |
| 24 | Dr3ad | 2304.000 | 49.132 | |
| 25 | AreDaYush? | 2268.000 | 48.265 | |
| 26 | RootRunners | 2184.000 | 46.471 | |
| 27 | lasos | 2028.000 | 43.282 | |
| 28 | H-T8 | 1998.000 | 42.566 | |
| 29 | ACERGION | 1938.000 | 41.272 | |
| 30 | tjcsc | 1881.000 | 40.045 | |
| 31 | Fermion | 1728.000 | 36.948 | |
| 32 | THEM?! | 1728.000 | 36.849 | |
| 33 | 0ops | 1681.000 | 35.837 | |
| 34 | Kheshig | 1609.000 | 34.342 | |
| 35 | Hakierspejs | 1546.000 | 33.028 | |
| 36 | Black Bauhinia | 1543.000 | 32.891 | |
| 37 | 0xL4ugh | 1493.000 | 31.840 | |
| 38 | NYUSEC | 1479.000 | 31.497 | |
| 39 | Dacia Team | 1432.000 | 30.512 | |
| 40 | BlackArc | 1432.000 | 30.449 | |
| 41 | Hack@Sec | 1416.000 | 30.076 | |
| 42 | 31A | 1363.000 | 28.983 | |
| 43 | kalmarunionen | 1268.000 | 27.071 | |
| 44 | Epic Leet Team | 1203.000 | 25.749 | |
| 45 | Phish Paprikaš | 1185.000 | 25.347 | |
| 46 | ASIS | 1164.000 | 24.889 | |
| 47 | Water Paddler | 1120.000 | 23.984 | |
| 48 | Knightsec | 1087.000 | 23.295 | |
| 49 | Dragon Sector | 1087.000 | 23.253 | |
| 50 | CHONNAM NATIONAL UNIVERSITY | 1070.000 | 22.881 | |
| 51 | Team StellarFlare | 1070.000 | 22.843 | |
| 52 | poofluencers | 1049.000 | 22.395 | |
| 53 | Nu1L | 1024.000 | 21.871 | |
| 54 | Caliphal Hounds | 1019.000 | 21.739 | |
| 55 | CSUI | 1009.000 | 21.510 | |
| 56 | F0f | 923.000 | 19.797 | |
| 57 | Neomware | 918.000 | 19.668 | |
| 58 | WiltedRose | 918.000 | 19.639 | |
| 59 | smurf1337 | 897.000 | 19.200 | |
| 60 | ECSC FI | 876.000 | 18.761 | |
| 61 | 31337haxor | 857.000 | 18.363 | |
| 62 | meeseeksX | 841.000 | 18.024 | |
| 63 | CyKOR | 827.000 | 17.725 | |
| 64 | InfoSecIITR | 821.000 | 17.584 | |
| 65 | Ganesh | 801.000 | 17.169 | |
| 66 | Breach Cyber Security | 785.000 | 16.834 | |
| 67 | freep0nx | 781.000 | 16.733 | |
| 68 | MindCrafters | 781.000 | 16.712 | |
| 69 | Diethylazodicarboxylate | 724.000 | 15.576 | |
| 70 | thehackerscrew | 717.000 | 15.419 | |
| 71 | M4SEC | 701.000 | 15.087 | |
| 72 | HackCompetitiveProgramming | 693.000 | 14.911 | |
| 73 | pingCTF | 666.000 | 14.365 | |
| 74 | bi0s | 635.000 | 13.740 | |
| 75 | IRESDTU | 635.000 | 13.723 | |
| 76 | mimicats | 621.000 | 13.432 | |
| 77 | MazuBot | 607.000 | 13.141 | |
| 78 | quriosity | 597.000 | 12.929 | |
| 79 | I_1AF | 575.000 | 12.483 | |
| 80 | UVT-CTF | 572.000 | 12.409 | |
| 81 | Projekt "P" | 569.000 | 12.335 | |
| 82 | Latvian Lattice Lovers | 561.000 | 12.164 | |
| 83 | 6crepes3balles | 552.000 | 11.974 | |
| 84 | valgrind | 507.000 | 11.080 | |
| 85 | Pixel Perfecter | 446.000 | 9.874 | |
| 86 | AWAWAWAVAUATSH | 445.000 | 9.841 | |
| 87 | SoloSoLow | 442.000 | 9.769 | |
| 88 | CTF-Regensburg | 422.000 | 9.365 | |
| 89 | riperice | 418.000 | 9.275 | |
| 90 | Sky1nNorth | 396.000 | 8.832 | |
| 91 | Flagaholic | 396.000 | 8.820 | |
| 92 | hackratic | 392.000 | 8.730 | |
| 93 | botz_dam | 389.000 | 8.660 | |
| 94 | glzjinsbot | 379.000 | 8.453 | |
| 95 | JordanSec | 378.000 | 8.423 | |
| 96 | VSL.Sp33d_Of_T1m3 | 369.000 | 8.236 | |
| 97 | R_OxPloit3rs | 369.000 | 8.226 | |
| 98 | ostwestachse | 361.000 | 8.059 | |
| 99 | RedRocket | 359.000 | 8.010 | |
| 100 | dtl | 338.000 | 7.589 | |
| 101 | xylo | 328.000 | 7.384 | |
| 102 | PLUS | 318.000 | 7.179 | |
| 103 | SNHT | 314.000 | 7.091 | |
| 104 | Pwnie | 305.000 | 6.906 | |
| 105 | TCP1P | 305.000 | 6.897 | |
| 106 | Merrineum Memory Malfunction | 293.000 | 6.654 | |
| 107 | Soudure au beurre | 293.000 | 6.645 | |
| 108 | buckzuck | 293.000 | 6.637 | |
| 109 | VortexOps | 291.000 | 6.589 | |
| 110 | UAZ | 287.000 | 6.503 | |
| 111 | Cyber @ UCI | 287.000 | 6.495 | |
| 112 | Maple Bacon | 287.000 | 6.487 | |
| 113 | 0xN1umb | 282.000 | 6.382 | |
| 114 | s3bs | 282.000 | 6.374 | |
| 115 | Electric Eight | 280.000 | 6.327 | |
| 116 | FatalException | 280.000 | 6.320 | |
| 117 | poiko | 271.000 | 6.137 | |
| 118 | commandos | 268.000 | 6.071 | |
| 119 | Hidden Investigations | 268.000 | 6.064 | |
| 120 | K17 | 261.000 | 5.920 | |
| 121 | lainchan | 261.000 | 5.914 | |
| 122 | Byte Banditen | 260.000 | 5.887 | |
| 123 | dcua | 251.000 | 5.705 | |
| 124 | r3dh4ck | 250.000 | 5.679 | |
| 125 | noah | 236.000 | 5.399 | |
| 126 | DG_House | 229.000 | 5.256 | |
| 127 | RS553 | 229.000 | 5.250 | |
| 128 | TU Delft CTF Team | 228.000 | 5.224 | |
| 129 | bob | 227.000 | 5.199 | |
| 130 | Shellskapsresan | 227.000 | 5.193 | |
| 131 | flapper | 220.000 | 5.050 | |
| 132 | inFIEEles_team | 219.000 | 5.025 | |
| 133 | SELFWASH | 219.000 | 5.019 | |
| 134 | flying_dutchman | 218.000 | 4.994 | |
| 135 | Tenesys | 218.000 | 4.989 | |
| 136 | Alpaca | 190.000 | 4.436 | |
| 137 | 无名 | 186.000 | 4.353 | |
| 138 | 3HLD | 186.000 | 4.347 | |
| 139 | A+Plz | 186.000 | 4.342 | |
| 140 | 5o4u | 186.000 | 4.337 | |
| 141 | capturing flags in theory | 186.000 | 4.332 | |
| 142 | xeniter | 186.000 | 4.327 | |
| 143 | RootKansen | 186.000 | 4.323 | |
| 144 | fu11b00t | 169.000 | 3.985 | |
| 145 | Mega Netjes | 169.000 | 3.981 | |
| 146 | NoobOfTheNoobs | 159.000 | 3.781 | |
| 147 | Zer0x1day1 | 159.000 | 3.776 | |
| 148 | pwn4ge | 158.000 | 3.752 | |
| 149 | SSS - Pmula | 158.000 | 3.748 | |
| 150 | zysgmzb | 156.000 | 3.704 | |
| 151 | i_am_new_bie | 152.000 | 3.622 | |
| 152 | THAnks4Shell | 133.000 | 3.246 | |
| 153 | kjhfdgjkhfd | 133.000 | 3.242 | |
| 154 | Br0k3nP1p3 | 132.000 | 3.218 | |
| 155 | Unpleased | 128.000 | 3.136 | |
| 156 | Kotstulle | 128.000 | 3.131 | |
| 157 | melonpan | 128.000 | 3.127 | |
| 158 | q1uf3ng | 128.000 | 3.124 | |
| 159 | NUS GreyHats | 128.000 | 3.120 | |
| 160 | b01lers | 128.000 | 3.116 | |
| 161 | Super Duper Sketchy Team | 128.000 | 3.112 | |
| 162 | TokyoWesterns | 128.000 | 3.108 | |
| 163 | V&N | 128.000 | 3.104 | |
| 164 | unige | 126.000 | 3.062 | |
| 165 | Unkoalified | 126.000 | 3.058 | |
| 166 | Levi | 126.000 | 3.054 | |
| 167 | CNC{Oteria} | 118.000 | 2.895 | |
| 168 | Blue Lock Eleven | 118.000 | 2.891 | |
| 169 | Hacklabor | 118.000 | 2.888 | |
| 170 | ResetSec | 101.000 | 2.552 | |
| 171 | PowerPuffPwn | 68.000 | 1.903 | |
| 172 | ENOFLAG | 68.000 | 1.900 | |
| 173 | Security Owls | 68.000 | 1.897 | |
| 174 | Ludicrous Avengers of Ridiculous Shenanigans | 68.000 | 1.893 | |
| 175 | c00c | 68.000 | 1.890 | |
| 176 | Sinister Script | 68.000 | 1.887 | |
| 177 | MGtrace | 68.000 | 1.884 | |
| 178 | Blue0ps | 68.000 | 1.881 | |
| 179 | LateBloomer | 68.000 | 1.878 | |
| 180 | Twisted Mind | 68.000 | 1.875 | |
| 181 | KB4B3T | 68.000 | 1.872 | |
| 182 | DigitalMonsters | 68.000 | 1.869 | |
| 183 | Hack Different | 68.000 | 1.866 | |
| 184 | Pwncetta & INPS | 68.000 | 1.863 | |
| 185 | HCS | 68.000 | 1.860 | |
| 186 | dezentrale | 68.000 | 1.857 | |
| 187 | [email protected] | 68.000 | 1.854 | |
| 188 | FunCTF1234 | 68.000 | 1.851 | |
| 189 | yuma4869 | 68.000 | 1.849 | |
| 190 | patate | 68.000 | 1.846 | |
| 191 | Rop Runners | 60.000 | 1.687 | |
| 192 | N00bG@ng | 60.000 | 1.684 | |
| 193 | CTF Team DRV | 60.000 | 1.681 | |
| 194 | infect.uz | 60.000 | 1.679 | |
| 195 | kellerlab | 60.000 | 1.676 | |
| 196 | SacTheRook | 60.000 | 1.674 | |
| 197 | willwam845 | 60.000 | 1.671 | |
| 198 | hashslingrz | 60.000 | 1.669 | |
| 199 | luxeria | 60.000 | 1.666 | |
| 200 | Slow Horses | 60.000 | 1.664 | |
| 201 | jelbena_tejri_3eryena | 60.000 | 1.661 | |
| 202 | Xorg-worship | 60.000 | 1.659 | |
| 203 | boboboy | 60.000 | 1.656 | |
| 204 | !soBad | 60.000 | 1.654 | |
| 205 | Akasec | 60.000 | 1.652 | |
| 206 | zestyboiz | 60.000 | 1.649 | |
| 207 | defragmented.brains | 60.000 | 1.647 | |
| 208 | Doobers | 60.000 | 1.645 | |
| 209 | jasprit bumrah | 60.000 | 1.643 | |
| 210 | EICS1 | 60.000 | 1.640 | |
| 211 | GANG | 60.000 | 1.638 | |
| 212 | fluffyotters | 60.000 | 1.636 | |
| 213 | NetCrawlers | 60.000 | 1.634 | |
| 214 | cbhgogogo | 60.000 | 1.632 | |
| 215 | CBL | 60.000 | 1.629 | |
| 216 | Tzadikim BIU | 60.000 | 1.627 | |
| 217 | SSH | 60.000 | 1.625 | |
| 218 | The Twin Princes | 60.000 | 1.623 | |
| 219 | interlude | 60.000 | 1.621 | |
| 220 | Kiwi | 60.000 | 1.619 | |
| 221 | 0_to_1 | 60.000 | 1.617 | |
| 222 | VuwCTF | 60.000 | 1.615 | |
| 223 | just_see_attachment | 60.000 | 1.613 | |
| 224 | C00K3YM0NST3R | 60.000 | 1.611 | |
| 225 | aabbcc | 60.000 | 1.609 | |
| 226 | NuttyShell | 60.000 | 1.607 | |
| 227 | L0L | 58.000 | 1.566 | |
| 228 | Mr.Unknown | 58.000 | 1.564 | |
| 229 | f0rz3ss | 58.000 | 1.562 | |
| 230 | S3R-Xday | 58.000 | 1.561 | |
| 231 | R4nd0m B00l5h33t5 G0 | 58.000 | 1.559 | |
| 232 | milworms | 58.000 | 1.557 | |
| 233 | time_to_leave | 58.000 | 1.555 | |
| 234 | El1teS3c | 58.000 | 1.553 | |
| 235 | T2P | 58.000 | 1.552 | |
| 236 | ravlip | 58.000 | 1.550 | |
| 237 | St. Lawrence University | 58.000 | 1.548 | |
| 238 | r98inver | 58.000 | 1.546 | |
| 239 | 1nno$leuths | 58.000 | 1.545 | |
| 240 | marq | 58.000 | 1.543 | |
| 241 | DragonSec SI | 58.000 | 1.541 | |
| 242 | dhtson | 58.000 | 1.539 | |
| 243 | ReadFlagByIdentifier | 58.000 | 1.538 | |
| 244 | thich thi choi thoi ne | 58.000 | 1.536 | |
| 245 | our team name was stolen | 58.000 | 1.534 | |
| 246 | 127.0.0.1 | 58.000 | 1.533 | |
| 247 | OVRCLK | 58.000 | 1.531 | |
| 248 | Thinking Tinkerers | 58.000 | 1.530 | |
| 249 | wyt | 58.000 | 1.528 | |
| 250 | Kn0ckD00r | 58.000 | 1.526 | |
| 251 | m1nt4l1ty | 58.000 | 1.525 | |
| 252 | sweatyrocket | 58.000 | 1.523 | |
| 253 | Dead Pirate Society | 58.000 | 1.522 | |
| 254 | ZenithAcad | 58.000 | 1.520 | |
| 255 | octohex | 58.000 | 1.519 | |
| 256 | i6k2_w0rm2 | 58.000 | 1.517 | |
| 257 | 3.delta | 58.000 | 1.516 | |
| 258 | c0ff33 | 58.000 | 1.514 | |
| 259 | sajasajaje | 58.000 | 1.513 | |
| 260 | FengZi | 58.000 | 1.511 | |
| 261 | 4GUn7uk | 58.000 | 1.510 | |
| 262 | KattangalSec | 58.000 | 1.508 | |
| 263 | Council of Ricks | 58.000 | 0.754 | |
Annoying PoW. Rather difficult challenges — a CTF for specialists. Over 1,000 teams ended up with zero points.
