Identify Live Hosts



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tarix14.10.2017
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#4679


Identify Live Hosts

  • Identify Live Hosts

  • Determine running Services

  • Identify Perimeter Network (Router / Firewalls)‏

    • Tracerouting
    • Scan Default Firewall/Router Ports
    • Perform FIN/ACK Scan
    • Map Router / Firewall Rule-Base













Tools:

  • Tools:

    • ping
    • nmap
    • hping
    • traceroute
    • tpctraceroute


  • TCP Port Scanning

  • UDP Port Scanning

  • Banner Grabbing

  • ARP Discovery



TCP Port Scanning

  • TCP Port Scanning

  • Tools:

    • nmap
    • netcat
    • hping








UDP Port Scanning

  • UDP Port Scanning

  • Tools:

    • nmap
    • netcat
    • hping








Banner Grabbing

  • Banner Grabbing

  • Tools:

    • nmap
    • amap
    • netcat
    • telnet










ARP Discovery



Tools:

  • Tools:

    • nmap
    • netcat
    • hping
    • amap
    • netcat
    • telnet


Operating System Query

  • Operating System Query

  • Tools:

    • httprint
    • netcat
    • nmap






ICMP Packet Analysis

  • ICMP Packet Analysis

  • Tools:

    • xprobe




Telnet Handshake Analysis

  • Telnet Handshake Analysis

  • Tools:

    • nmap
    • telnetfp




  • What did you miss?

  • Unknown application?

  • Unusual OS?

  • Time to read up:

    • RFC (Request for Comments)‏
    • White Papers
    • Manuals


Tools:

  • Tools:

    • xprobe
    • nmap


Phase II  Controls Assessment  Scheduling

  • Phase II  Controls Assessment  Scheduling

      • Information Gathering
      • Network Mapping
        • Identify Live Hosts
        • Determine running Services
        • Identify Perimeter Network (Router / Firewalls)‏
        • Passive OS Guessing
        • Active OS Guessing
        • Host Enumeration


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