User:Scott/27

      Wireless Security
--------------------------------
Home Page    user:scott
Home-22      user:scott/22
Printers     user:scott/23
Network      user:scott/24
Troubleshoot user:scott/25
Virus Scan   user:scott/26
WiFi Secure  user:scott/26
Active Dir   user:scott/29

Cracker Objectives

Enumerate hosts, services, application versions
Elevate privileges and disguise presence
create a back door - a covert channel

Defense Objectives

IDS Intrusion detection system
Log Files - automated reporting system
Minimized access==
Update patches and firmware

Hacker/Cracker tools

NetStumbler & Kismet Windows

scans 2.4 & 5 GHz frequency fro 802.11a, b & g ieee

NetStumbler reports

• MAC address
• SSID
• Access Point Name
• broadcast channel
• vendor name
• signal strength
• gps coordinates

Passive Scanning

Beacon Frames

SSID
Access Point Time
Capabilities
Supported Rates

Client Passive listening

• connects to strongest channel with SSID it wants to connect too

Client Active Listening

Sends a probe request frame with a null SSID field
works when SSID broadcasting is disabled.