Sat, 29 Jan. 2022, 12:00 UTC — Sun, 30 Jan. 2022, 12:00 UTC 
On-line
A Insomni'hack event.
Format: Jeopardy 
Official URL: https://insomnihack.ch/contests/
This event's future weight is subject of public voting!
Event organizers
Categories will be Crypto, Forensic, Pwn, Reverse and Web.
There will be no bonus points so the final ranking will be determined based on the time of the last challenge solved, ie first come first served.
- We will cover hotel (3 nights) and conference tickets for Insomni'hack 2022 for the first 3 teams;
- The 4th, 5th and 6th teams will receive tickets for the conference;
The conference will take place on March 24-25 2022 at the Palexpo conference center in Geneva.
The CTF will run during the evening and the night of the 25th and is free for everyone to participate in.
280 teams total
| Place | Team | CTF points | Rating points | |
|---|---|---|---|---|
| 1 | p4 | 3273.000 | 42.760 | |
| 2 | 0daysober | 2822.000 | 29.124 | |
| 3 | C4T BuT S4D | 2081.000 | 20.720 | |
| 4 | Bushwhackers | 1781.000 | 16.979 | |
| 5 | Tasteless | 1769.000 | 15.832 | |
| 6 | Dragon Sector | 1669.000 | 14.466 | |
| 7 | Water Paddler | 1608.000 | 13.558 | |
| 8 | organizers | 1574.000 | 12.954 | |
| 9 | Synacktiv | 1408.000 | 11.573 | |
| 10 | r3billions | 1318.000 | 10.747 | |
| 11 | ID-10-T | 1184.000 | 9.678 | |
| 12 | RoyalRoppers | 1075.000 | 8.804 | |
| 13 | justCatTheFish | 1041.000 | 8.445 | |
| 14 | hxp | 1026.000 | 8.229 | |
| 15 | Super Guesser | 962.000 | 7.709 | |
| 16 | u0K++ | 941.000 | 7.483 | |
| 17 | ISITDTU | 819.000 | 6.608 | |
| 18 | WreckTheLine | 798.000 | 6.401 | |
| 19 | FluxFingers | 794.000 | 6.312 | |
| 20 | ARESx | 719.000 | 5.766 | |
| 21 | YoloSw4g | 677.000 | 5.440 | |
| 22 | r3kapig | 651.000 | 5.224 | |
| 23 | /mnt/ain | 603.000 | 4.869 | |
| 24 | kalmarunionen | 603.000 | 4.830 | |
| 25 | pwnagaukar | 603.000 | 4.794 | |
| 26 | Zincir | 603.000 | 4.761 | |
| 27 | MinorLeagueBowling | 573.000 | 4.535 | |
| 28 | Hecării, Țuica și Păunii | 544.000 | 4.317 | |
| 29 | SR_hackers | 541.000 | 4.271 | |
| 30 | Project Sekai | 529.000 | 4.168 | |
| 31 | DuckDuckFlag | 510.000 | 4.021 | |
| 32 | bootplug | 477.000 | 3.784 | |
| 33 | xXxpassword123xXx | 456.000 | 3.627 | |
| 34 | R3Vengers | 456.000 | 3.608 | |
| 35 | TU Delft CTF Team | 456.000 | 3.590 | |
| 36 | Knightsec | 449.000 | 3.527 | |
| 37 | 0FA | 401.000 | 3.197 | |
| 38 | Securimag | 401.000 | 3.182 | |
| 39 | spookies | 398.000 | 3.148 | |
| 40 | ZHT | 384.000 | 3.043 | |
| 41 | SeInSe | 372.000 | 2.951 | |
| 42 | Shellphish | 370.000 | 2.926 | |
| 43 | Pyramid Surgeon | 353.000 | 2.803 | |
| 44 | ZEOS | 346.000 | 2.746 | |
| 45 | idek | 330.000 | 2.631 | |
| 46 | ez_team | 298.000 | 2.411 | |
| 47 | shablul | 285.000 | 2.317 | |
| 48 | Les Canards Dévermineurs | 285.000 | 2.307 | |
| 49 | AlgoSecure | 284.000 | 2.291 | |
| 50 | geckos | 282.000 | 2.270 | |
| 51 | DDLJ | 256.000 | 2.091 | |
| 52 | Flag Poisoning | 256.000 | 2.083 | |
| 53 | Samurai | 254.000 | 2.063 | |
| 54 | club.eh | 254.000 | 2.055 | |
| 55 | KITCTF | 251.000 | 2.028 | |
| 56 | CYberMouflons | 251.000 | 2.021 | |
| 57 | LesPasDormeux | 251.000 | 2.015 | |
| 58 | KUDoS | 251.000 | 2.008 | |
| 59 | CyberTaskForce Zero | 251.000 | 2.002 | |
| 60 | xchg eax, eax | 248.000 | 1.976 | |
| 61 | Weak But Leet | 237.000 | 1.899 | |
| 62 | Bulba Hackers | 237.000 | 1.893 | |
| 63 | Porg Pwn Platoon | 234.000 | 1.868 | |
| 64 | Flaggermeister | 227.000 | 1.817 | |
| 65 | TBTL | 213.000 | 1.720 | |
| 66 | skateboarding dog | 213.000 | 1.715 | |
| 67 | les chomeurs du dimanche | 210.000 | 1.691 | |
| 68 | \/(54 | 210.000 | 1.686 | |
| 69 | bi0s | 208.000 | 1.669 | |
| 70 | PortSwingers | 177.000 | 1.462 | |
| 71 | Mayas | 177.000 | 1.457 | |
| 72 | Srdnlen | 175.000 | 1.440 | |
| 73 | Medus'Hack | 163.000 | 1.358 | |
| 74 | flagsomeware | 163.000 | 1.354 | |
| 75 | Jump2Flag | 163.000 | 1.350 | |
| 76 | jokersec | 163.000 | 1.346 | |
| 77 | rop hoppers | 161.000 | 1.329 | |
| 78 | ret2school | 161.000 | 1.326 | |
| 79 | ret2rev | 161.000 | 1.322 | |
| 80 | noraneco | 161.000 | 1.319 | |
| 81 | traP | 161.000 | 1.316 | |
| 82 | upbhack | 161.000 | 1.312 | |
| 83 | vubar | 158.000 | 1.290 | |
| 84 | flagless | 158.000 | 1.287 | |
| 85 | The Rolling Berries | 158.000 | 1.284 | |
| 86 | thehackerscrew | 158.000 | 1.281 | |
| 87 | Red Knights | 158.000 | 1.278 | |
| 88 | Zer0Tolerance | 155.000 | 1.255 | |
| 89 | dtl | 134.000 | 1.116 | |
| 90 | Kza | 101.000 | 0.897 | |
| 91 | Minix | 101.000 | 0.895 | |
| 92 | DaVinciCode | 101.000 | 0.892 | |
| 93 | localghost | 101.000 | 0.890 | |
| 94 | STT | 93.000 | 0.835 | |
| 95 | SIGFLAG | 87.000 | 0.793 | |
| 96 | IIT(BHU)CyberSec | 87.000 | 0.791 | |
| 97 | ashva | 87.000 | 0.789 | |
| 98 | space cows | 87.000 | 0.786 | |
| 99 | ReadTheFuckingManual | 87.000 | 0.784 | |
| 100 | BetR | 87.000 | 0.782 | |
| 101 | Potatoes | 87.000 | 0.780 | |
| 102 | Bletchley Park | 87.000 | 0.778 | |
| 103 | DeltaHeap | 87.000 | 0.776 | |
| 104 | dcua | 87.000 | 0.774 | |
| 105 | RVCTF 0x45 | 87.000 | 0.772 | |
| 106 | hard | 87.000 | 0.770 | |
| 107 | inked | 87.000 | 0.768 | |
| 108 | RISC-IV | 87.000 | 0.766 | |
| 109 | TeamCC | 87.000 | 0.764 | |
| 110 | Capgemini Aces Of Spades | 84.000 | 0.743 | |
| 111 | 2600 Deilless | 84.000 | 0.741 | |
| 112 | Wuerth Phoenix | 84.000 | 0.740 | |
| 113 | Cryptonite | 84.000 | 0.738 | |
| 114 | DU4L | 84.000 | 0.736 | |
| 115 | Root Is Life | 84.000 | 0.735 | |
| 116 | Hack South | 84.000 | 0.733 | |
| 117 | Hacklabor | 84.000 | 0.731 | |
| 118 | Barnonymous | 84.000 | 0.730 | |
| 119 | Tipi'Hack | 84.000 | 0.728 | |
| 120 | DANOZOPITO | 84.000 | 0.727 | |
| 121 | bawolff | 84.000 | 0.725 | |
| 122 | N33rdZ | 84.000 | 0.724 | |
| 123 | NorthKorea | 84.000 | 0.723 | |
| 124 | JELEŃE | 84.000 | 0.721 | |
| 125 | HacknBass | 82.000 | 0.707 | |
| 126 | ShroomZ | 82.000 | 0.705 | |
| 127 | dex | 82.000 | 0.704 | |
| 128 | FAUST | 82.000 | 0.703 | |
| 129 | Cakmak | 82.000 | 0.701 | |
| 130 | Brämhults | 82.000 | 0.700 | |
| 131 | InfoSecIITR | 82.000 | 0.699 | |
| 132 | madStacks | 82.000 | 0.698 | |
| 133 | Epic Leet Team | 82.000 | 0.696 | |
| 134 | m1t0 | 82.000 | 0.695 | |
| 135 | y0d31 | 82.000 | 0.694 | |
| 136 | Maple Bacon | 82.000 | 0.693 | |
| 137 | onotch | 82.000 | 0.692 | |
| 138 | UntamedFriesians | 82.000 | 0.691 | |
| 139 | Security First | 82.000 | 0.689 | |
| 140 | hxteam | 79.000 | 0.669 | |
| 141 | Lextrona | 79.000 | 0.668 | |
| 142 | xSTF | 76.000 | 0.647 | |
| 143 | TeamH4C | 76.000 | 0.646 | |
| 144 | joyito5147 | 76.000 | 0.645 | |
| 145 | blah | 74.000 | 0.631 | |
| 146 | Noob | 74.000 | 0.630 | |
| 147 | ec_pwn | 74.000 | 0.629 | |
| 148 | willwam845 | 8.000 | 0.197 | |
| 149 | nlnlOeO | 8.000 | 0.196 | |
| 150 | IVS | 8.000 | 0.195 | |
| 151 | s0mename | 8.000 | 0.194 | |
| 152 | supervrijdag | 8.000 | 0.193 | |
| 153 | duks | 8.000 | 0.192 | |
| 154 | EGO+ | 8.000 | 0.191 | |
| 155 | PwnProphecy | 8.000 | 0.190 | |
| 156 | 1mmorta1 | 8.000 | 0.189 | |
| 157 | Sudo Sierra | 8.000 | 0.188 | |
| 158 | tyulpan | 8.000 | 0.188 | |
| 159 | Lights of Pineapples | 8.000 | 0.187 | |
| 160 | cyberUnicorns | 8.000 | 0.186 | |
| 161 | GamingChair | 8.000 | 0.185 | |
| 162 | Okayu | 8.000 | 0.184 | |
| 163 | B1T5crew | 8.000 | 0.183 | |
| 164 | Mattis Lag | 8.000 | 0.183 | |
| 165 | kantidui | 8.000 | 0.182 | |
| 166 | solooo | 8.000 | 0.181 | |
| 167 | Hack@Sec | 8.000 | 0.180 | |
| 168 | team__thankan | 8.000 | 0.180 | |
| 169 | p4wnWAT | 8.000 | 0.179 | |
| 170 | CyberFault | 8.000 | 0.178 | |
| 171 | the_borg | 8.000 | 0.177 | |
| 172 | altk | 8.000 | 0.177 | |
| 173 | NaNisaNumber | 8.000 | 0.176 | |
| 174 | N30Z30N | 8.000 | 0.175 | |
| 175 | r3boot | 8.000 | 0.174 | |
| 176 | partywave | 8.000 | 0.174 | |
| 177 | root:root | 8.000 | 0.173 | |
| 178 | OTT | 8.000 | 0.172 | |
| 179 | Corax | 8.000 | 0.172 | |
| 180 | FITSEC | 8.000 | 0.171 | |
| 181 | nick310 | 8.000 | 0.170 | |
| 182 | 26mas | 8.000 | 0.170 | |
| 183 | 0xdb | 8.000 | 0.169 | |
| 184 | TeamKrabath | 8.000 | 0.168 | |
| 185 | IDA Pro | 8.000 | 0.168 | |
| 186 | SpicyPotatoes | 8.000 | 0.167 | |
| 187 | Rhackgondins | 8.000 | 0.167 | |
| 188 | NullByte | 8.000 | 0.166 | |
| 189 | TBB | 8.000 | 0.165 | |
| 190 | Y-CTF | 8.000 | 0.165 | |
| 191 | sweet_dreams | 8.000 | 0.164 | |
| 192 | $quirrel21 | 8.000 | 0.164 | |
| 193 | cgi | 8.000 | 0.163 | |
| 194 | Kernel Sanders | 8.000 | 0.162 | |
| 195 | clueless_shrimp | 8.000 | 0.162 | |
| 196 | WeeaboosPls | 8.000 | 0.161 | |
| 197 | k3rn3lp4n1c | 8.000 | 0.161 | |
| 198 | PallasAthenaCTF | 8.000 | 0.160 | |
| 199 | Diligenza | 8.000 | 0.160 | |
| 200 | r5 | 8.000 | 0.159 | |
| 201 | phil | 8.000 | 0.159 | |
| 202 | killswitch | 8.000 | 0.158 | |
| 203 | See Curl Analyse! | 8.000 | 0.158 | |
| 204 | P0nyTa1l | 8.000 | 0.157 | |
| 205 | Cyber Pig Security | 8.000 | 0.157 | |
| 206 | 3rdn4 | 8.000 | 0.156 | |
| 207 | n00bzUnit3d | 8.000 | 0.156 | |
| 208 | sp00n | 8.000 | 0.155 | |
| 209 | noname | 8.000 | 0.155 | |
| 210 | Arf | 8.000 | 0.154 | |
| 211 | Stack | 8.000 | 0.154 | |
| 212 | exitzero | 8.000 | 0.153 | |
| 213 | manager | 8.000 | 0.153 | |
| 214 | Th3_Order_Of_th3_pH0en1x | 8.000 | 0.152 | |
| 215 | NYUSEC | 8.000 | 0.152 | |
| 216 | skull_h4ck | 8.000 | 0.151 | |
| 217 | 25kgoldnW | 8.000 | 0.151 | |
| 218 | Task_Hashed | 8.000 | 0.150 | |
| 219 | team351 | 8.000 | 0.150 | |
| 220 | omggstuff | 8.000 | 0.149 | |
| 221 | ice-cream truck | 8.000 | 0.149 | |
| 222 | TSUKUYOMI | 8.000 | 0.149 | |
| 223 | team_eat | 8.000 | 0.148 | |
| 224 | pirates247 | 8.000 | 0.148 | |
| 225 | Curious Tourists | 8.000 | 0.147 | |
| 226 | darmor9 | 8.000 | 0.147 | |
| 227 | NBP Security | 8.000 | 0.146 | |
| 228 | Cyber Team Canada | 8.000 | 0.146 | |
| 229 | zedascoves | 8.000 | 0.146 | |
| 230 | only_me | 8.000 | 0.145 | |
| 231 | cest la vie | 8.000 | 0.145 | |
| 232 | norah | 8.000 | 0.144 | |
| 233 | CXOU | 8.000 | 0.144 | |
| 234 | Anko | 8.000 | 0.144 | |
| 235 | Angry Newbies | 8.000 | 0.143 | |
| 236 | shafou | 8.000 | 0.143 | |
| 237 | tmlxs | 8.000 | 0.142 | |
| 238 | H4cking to the Gate | 8.000 | 0.142 | |
| 239 | HK CTF Association | 8.000 | 0.142 | |
| 240 | Class3E | 8.000 | 0.141 | |
| 241 | CryptoCrackers | 8.000 | 0.141 | |
| 242 | Physicube | 8.000 | 0.141 | |
| 243 | base64 | 8.000 | 0.140 | |
| 244 | CultOfNull | 8.000 | 0.140 | |
| 245 | HuntsvilleTechSupport | 8.000 | 0.140 | |
| 246 | PwnyFergus0n | 8.000 | 0.139 | |
| 247 | quarks | 8.000 | 0.139 | |
| 248 | DarkArmy | 8.000 | 0.138 | |
| 249 | Team-A | 8.000 | 0.138 | |
| 250 | RollTide | 8.000 | 0.138 | |
| 251 | L0nelyBe4n | 8.000 | 0.137 | |
| 252 | b01lers | 8.000 | 0.137 | |
| 253 | something clever | 8.000 | 0.137 | |
| 254 | Xnxx | 8.000 | 0.136 | |
| 255 | badsctr | 8.000 | 0.136 | |
| 256 | CRYPTO | 8.000 | 0.136 | |
| 257 | Azult | 8.000 | 0.135 | |
| 258 | Default Phoenix | 8.000 | 0.135 | |
| 259 | ESCape | 8.000 | 0.135 | |
| 260 | Fornorgash | 8.000 | 0.134 | |
| 261 | thierryb | 8.000 | 0.134 | |
| 262 | DirtyBug | 8.000 | 0.134 | |
| 263 | 0xM4hm0ud | 8.000 | 0.134 | |
| 264 | La_Hack_Galerie | 8.000 | 0.133 | |
| 265 | Diversity_Squad | 8.000 | 0.133 | |
| 266 | mammamia | 8.000 | 0.133 | |
| 267 | NuevaBlueHats | 8.000 | 0.132 | |
| 268 | SnackOverflow | 8.000 | 0.132 | |
| 269 | TaruTaru | 8.000 | 0.132 | |
| 270 | fuj.team | 8.000 | 0.131 | |
| 271 | Th1b4ud | 8.000 | 0.131 | |
| 272 | gruf | 8.000 | 0.131 | |
| 273 | bet75 | 8.000 | 0.131 | |
| 274 | Hundred_Companions | 8.000 | 0.130 | |
| 275 | AdelaideB9 | 8.000 | 0.130 | |
| 276 | SKR | 8.000 | 0.130 | |
| 277 | apostle's group | 8.000 | 0.129 | |
| 278 | T35H | 8.000 | 0.129 | |
| 279 | phish4sudo | 8.000 | 0.129 | |
| 280 | x2w | 8.000 | 0.064 | |
Mixed feelings:
- Hopytal was a festival of guessing and false hints, it's really notable how guessy this challenge was.
- That heap pwn was really nonsensical, it had an artificial bug which made no sense. There was a global array `int is_ptr_freeable[10]` which wasn't actually an array, but something like "inlined array" with one entry replaced with `char buf[4]` to which the input was read. And there was off-by-one on that read. How do you even make such a construction in the source? I guess only when you're a CTF challenge autor and have no good ideas?
- Most of other challenges were ok - not great, but not bad.
- We lost one place because someone submitted a flag _after the CTF ended_. We asked organizers about this and they replied: "The CTF started around 2 minutes late and allowed to be played the whole 24h. Because of this, the flag submission was still open for a small amount of time after 12:00 UTC. Since your CTF experience was under 24h the 2 flags sent between 12:00 and 12:02 are accepted.". It's really great that the timer on the scoreboard reached 0 exactly at 12:00 UTC and yet it seems the CTF was still running...
