Wireless Intrusion Detection - Sharkfest - Wireshark

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Ninja-level problems • Attackers may not even need to be w/in wireless range • If a packet format is FF1245678 and someone sends a wired packet of FF123FF45678 • If something causes the beginning of the packet to corrupt... 102
Go away PIP nobody likes you • Then the second part of the packet may be detected as a complete frame and handled as if it was the original data! • Forge wireless from the wire! • Zigbee is especially vulnerable b/c of simplicity, see work by Travis Goodspeed 103
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Wireless Intrusion Detection Mike K
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Why do we care • You need to know
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Security goes both ways • As a us
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Options So what are your options 8
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Independent/Overlay WIDS • Passiv
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Monitoring wireless • Multiple me
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Who is coming after you • Lots of
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General jackasses • Learned how t
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Targetted external attacks • Some
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20 What gets used
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RF Denial of Service • Wi-Fi oper
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24 Wavebubble jammer
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26 Detecting jamming
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Fake saturation • 802.11 uses CSM
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Detecting saturation attacks • Ca
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Detecting deauth/disassoc • Easy
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When is 100m = 11k • Handshake br
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Detecting Reaver attacks • Legiti
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Extremely vulnerable • Roaming ha
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Two main ways to impersonate • Me
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Spoofing the network name • 802.1
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Strengthening the system • WPA-PS
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Impersonation impact • Once you c
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Stream hijacking • Unencrypted ne
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Extremely pernicious ● ● ●
Page 52 and 53: Direct attacks against drivers •
Page 54 and 55: Easy to detect... sort of • Drive
Page 56 and 57: Detecting client spoofing • Diffe
Page 58 and 59: Application attacks • Border IDS
Page 60 and 61: 60 Wi-Fi Pineapple
Page 62 and 63: PwnPlug • Looks like power adapte
Page 64 and 65: How bad is WEP, really • HORRIBLE
Page 66 and 67: Where WIDS falls down • We can pr
Page 68 and 69: Things we can't currently fix • O
Page 70 and 71: Corralling clients • Can attempt
Page 72 and 73: Things you CAN'T do • Run jammers
Page 74 and 75: Kismet • Started as purely a netw
Page 76 and 77: Kismet IDS • Both signature and t
Page 78 and 79: Getting the latest version • Your
Page 80 and 81: Host hardware ● ● ● ● Kisme
Page 82 and 83: WIDS to Syslog • Two ways to get
Page 84 and 85: Expanding Kismet - Distributed Capt
Page 86 and 87: Kismet protocol • Similar to IMAP
Page 88 and 89: Expanding Kismet - Plugins • Plug
Page 90 and 91: Client plugins • Able to interfac
Page 92 and 93: Going beyond Wi-Fi • What about o
Page 94 and 95: 94 Kismet Phy-Neutral
Page 96 and 97: PHY-N support in progress or planne
Page 98 and 99: So what else do we care about • O
Page 100 and 101: Heist of the century • When used
Page 104 and 105: Different != better • Custom prot
Page 106 and 107: Things you probably send to pagers
Page 108 and 109: Recap • If you don't know to look
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