The BruCO"NSA" Network

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This is the lightning talk presented by @xme and @senseizeon at BruCON 0x05 about the deployed network.

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The BruCO"NSA" Network

  1. 1. The BruCO”NSA” Network “How we take care of your packets”
  2. 2. Topology • Radio P2P Link to the Internet • PublicVLAN • PrivateVLAN (Crew, Speaker,Apps)
  3. 3. Topology
  4. 4. Our C&C
  5. 5. Numbers • 100 MBits up/down • 11 AP’s • 5 switches • 60.303.633 packets captured yesterday • Peak up to 65 Mbits/s • Since BruCON 0x01, ~1 KM of CAT-5 cables • ...a lot of Clubmate and 0xC0FFEE
  6. 6. Visibility “A network is like milk on a stove, you need to keep an eye on it all the time”
  7. 7. Visibility
  8. 8. FunVS. Legal • BruCON is considered as an ISP from the .be law point of view • We keep: MAC|Timestamp|SrcIP|SrcPort|DstIP|DstPort • “Due diligence” principle
  9. 9. Wall of Sheep
  10. 10. Wall of Sheep • 25 unique passwords sniffed (up to now!) • Avg length: 6.8 characters Protocols Counts snmp 2034 http 82 ftp 27 pop 17
  11. 11. Malware Tracking
  12. 12. All your packets are belong to us... ThankYou!

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