challenge.json

{
  "title": "middleout",
  "description": "I implemented this compression algorithm, its performances are honestly amazing. I feel it's gonna be very competitive, it only needs to be better than Pied Piper! But I'm afraid there's something wrong with it...\n\n`nc middleout.challs.open.ecsc2024.it 47009`",
  "authors": [
    "Oliver Lyak <@ly4k>"
  ],
  "tags": [
    "pwn"
  ],
  "hiddenTags": [],
  "order": 32,
  "flags": [
    "^openECSC\\{pied_piper_your_end_is_near_[a-z0-9]{8}\\}$"
  ],
  "scoring": {
    "type": "dynamic",
    "start": 500,
    "stop": 50,
    "decay": "50%"
  },
  "files": [
    {
      "name": "middleout.zip",
      "type": "upload",
      "path": "./attachments/middleout.zip",
      "dynamic": false
    }
  ],
  "hints": [],
  "endpoint": {
    "type": "tcp",
    "host": "middleout.challs.open.ecsc2024.it",
    "port": 47009
  },
  "checker": {
    "enabled": true,
    "config": {
      "timeout": 20
    }
  }
}