Wireless Intrusion Detection - Sharkfest - Wireshark

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Corralling clients • Can attempt to fence clients in • Once you know they're legit try to keep them from connecting to illegitimate Aps • Can try to prevent specific clients from roaming or shut down hostile AP entirely • Requires very good overlay coverage 70
Things you CAN do • Policy enforcement on company hardware • “You can't plug that in, you can't use that work laptop at Starbucks” • Passive interference – cages, metal walls, etc • … Of course your users will hate you and try to find a way around you, and probably will 71
Page 1:
Wireless Intrusion Detection Mike K
Page 4 and 5:
Why do we care • You need to know
Page 6 and 7:
Security goes both ways • As a us
Page 8 and 9:
Options So what are your options 8
Page 10 and 11:
Independent/Overlay WIDS • Passiv
Page 12 and 13:
Monitoring wireless • Multiple me
Page 14 and 15:
Who is coming after you • Lots of
Page 16 and 17:
General jackasses • Learned how t
Page 18 and 19:
Targetted external attacks • Some
Page 20 and 21: 20 What gets used
Page 22 and 23: RF Denial of Service • Wi-Fi oper
Page 24 and 25: 24 Wavebubble jammer
Page 26 and 27: 26 Detecting jamming
Page 28 and 29: Fake saturation • 802.11 uses CSM
Page 30 and 31: Detecting saturation attacks • Ca
Page 32 and 33: Detecting deauth/disassoc • Easy
Page 34 and 35: When is 100m = 11k • Handshake br
Page 36 and 37: Detecting Reaver attacks • Legiti
Page 38 and 39: Extremely vulnerable • Roaming ha
Page 40 and 41: Two main ways to impersonate • Me
Page 42 and 43: Spoofing the network name • 802.1
Page 44 and 45: Strengthening the system • WPA-PS
Page 46 and 47: Impersonation impact • Once you c
Page 48 and 49: Stream hijacking • Unencrypted ne
Page 50 and 51: 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 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 102 and 103: Ninja-level problems • Attackers
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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Wireless Intrusion Detection - Sharkfest - Wireshark

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