Past Winners

DEF CON 32 Project Obsidian CTF Status

Winners

  • 1st Place:

    • Def con dans mison
    • GhidraGoons
  • 2nd Place: N1t3_Tr@1n

  • 3rd Place: Slept4Day

Stats

CTFd

  • Users Registered
    • 195 (Friday August 9, 2024)
    • 262 (Saturday August 10, 2024)
  • Teams Registered
    • 104 (Friday August 9, 2024)
    • 140 (Saturday August 10, 2024)
  • Team Size Distribution
    • Team Size: 4
      • 10 Teams
      • 6 out of the Top 10 teams were a team of four
    • Team Size: 3
      • 14 Teams
      • Highest ranking team: AKATSUKI (6th place)
    • Team Size: 2
      • 24 Teams
      • Highest ranking team: dimasiados (9th place)
    • Team Size: 1
      • 70 Teams
      • Highest ranking team: Blue Team of Death aka w1nt3rmut3 (20th place, 28th for individual scoring)

Graylog

  • Users by the end of conference: 73
  • Reingested Logs: 2,263,490

Setup

  • 4 Pod Stateful Set hosted in Kubernetes
  • Connected to Okta SSO

Datadog

  • Users by the end of conference: 78
  • Logs generated during conference:
    • Thursday August 8, 2024: ~1.63M
    • Friday August 9, 2024: ~15.03M
    • Saturday August 10, 2024: ~7.78M

Splunk

  • Was running as a singular EC2 instance which proved insufficient in the face of competitor enthusiasm

Multi-Juicer

  • 101 teams created instances

Setup

  • 30 Nodes (m5.xlarge) on Elastic Kubernetes Service (EKS)
  • 10 Juice Balancers (Load Balancers)
  • Supports up to 300 instances with 30 nodes
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DEF CON 31