hxp 38C3 CTF

The CTF is over, thanks for playing! hxp <3 you! 😊
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circus

by yyyyyyy
crypto

Difficulty estimate: easy - easy

Points: round(1000 Β· min(1, 10 / (9 + [42 solves]))) = 196 points

Description:

My friend said CRC is insecure, so I made it betterβ„’. Surely it’s safe now!? 🀑


Download:

circus-626cf2b1fe5d61b5.tar.xz (13.2 KiB)

Connection (mirrors):

  • nc 159.69.25.217 7007

Solution:


CTFtime Logo CTFtime: Task & Writeups

Solved by:

# Team Time
circus released 2024-12-27 20:00:00 +0000 UTC
πŸ₯‡ Friendly Maltese Citizens 2024-12-27 20:23:20 +0000 UTC
πŸ₯ˆ freedom dive 2024-12-27 20:47:32 +0000 UTC
πŸ₯‰ kalmarunionen 2024-12-27 20:51:54 +0000 UTC
4 Aqua Cat 2024-12-27 20:56:48 +0000 UTC
5 organizers 2024-12-27 21:07:06 +0000 UTC
6 More Smoked Leet Chicken 2024-12-27 21:13:12 +0000 UTC
7 FluxFingers 2024-12-27 21:22:37 +0000 UTC
8 Dragon Sector 2024-12-27 21:31:36 +0000 UTC
9 justCatTheFish 2024-12-27 21:38:32 +0000 UTC
10 🐐 2024-12-27 21:48:42 +0000 UTC
11 The Flat Network Society 2024-12-27 22:03:30 +0000 UTC
12 KuK Hofhackerei 2024-12-27 22:20:06 +0000 UTC
13 Never Stop Exploiting 2024-12-27 22:49:48 +0000 UTC
14 f0f 2024-12-27 23:13:25 +0000 UTC
15 SuperDiceCode 2024-12-28 00:01:08 +0000 UTC
16 Gimel 2024-12-28 00:43:38 +0000 UTC
17 mode13h 2024-12-28 01:40:00 +0000 UTC
18 CyKor 2024-12-28 01:55:17 +0000 UTC
19 MMM 2024-12-28 01:58:12 +0000 UTC
20 RePokemonedCollections 2024-12-28 02:44:17 +0000 UTC
21 *0xA 2024-12-28 03:21:44 +0000 UTC
22 Hack@Sec 2024-12-28 03:55:14 +0000 UTC
23 Black Bauhinia 2024-12-28 03:58:52 +0000 UTC
24 ${cystick} 2024-12-28 05:44:42 +0000 UTC
25 P0rtal 2024-12-28 07:48:38 +0000 UTC
26 USTC-NEBULA 2024-12-28 08:16:55 +0000 UTC
27 soudureaubeurre 2024-12-28 09:01:04 +0000 UTC
28 nin0 2024-12-28 09:31:31 +0000 UTC
29 slight_shark 2024-12-28 10:44:50 +0000 UTC
30 InfoSecIITR 2024-12-28 12:14:42 +0000 UTC
31 blablabla 2024-12-28 13:42:29 +0000 UTC
32 SPRUSH 2024-12-28 13:42:53 +0000 UTC
33 Leet Puppets 2024-12-28 15:07:00 +0000 UTC
34 she 2024-12-28 17:13:23 +0000 UTC
35 clrs 2024-12-28 21:52:13 +0000 UTC
36 Pigeon 2024-12-29 02:01:24 +0000 UTC
37 noreply 2024-12-29 02:34:59 +0000 UTC
38 terkctf 2024-12-29 04:27:13 +0000 UTC
39 S1uM4i 2024-12-29 06:48:07 +0000 UTC
40 commandos 2024-12-29 08:12:12 +0000 UTC
41 CoSGang 2024-12-29 10:50:28 +0000 UTC
42 ierae 2024-12-29 16:20:02 +0000 UTC