Honeypots and honeynets
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Honeypots and Honeynets. Alex Dietz. Purpose. To discover methods used to breach a system To discover new root kits To learn what changes are made to a system and their effects To not be discovered To discourage an attack. Production honeypot vs Research honeypot.

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Honeypots and Honeynets

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Honeypots and Honeynets

Alex Dietz


Purpose

  • To discover methods used to breach a system

  • To discover new root kits

  • To learn what changes are made to a system and their effects

  • To not be discovered

  • To discourage an attack


Production honeypot vs Research honeypot

  • Production honey pots are easy to use and capture only limited amount of information

  • Research honeypots are complex and expensive to maintain


Honeypots vs Honeynets

  • Honeypots are usually a complete system or virtual machine and are low-interaction.

  • Honeynets are second generation honeypots and are very high-interaction


Both must provide

  • Data capture

  • Data control

  • Data analysis


Data capture and Staying undetected

  • Log information to a remote server

  • Use software to detect changes to files

  • Use a rootkit to hide all logging services

    • Implements its own TCP/IP stack to prevent logging traffic from being detected


Data control

  • Try to prevent outgoing malicious traffic

    • Use a honey wall

      Traditionally a layer 2 bridging device that

      has no IP stack, meaning the device

      should be invisible to anyone interacting

      with the honeypots or honeynets.

img: http://honeynet.org/papers/honeynet/


Data analysis

  • Typically done by people viewing logs

    • Realtime

    • Logs

Img: Kent State University


Legality and Liability

• The operator can be held accountable if the honeypot is compromised and used to launch additional attacks.

-Varies state by state

• Can violate the Federal Wiretap Act

-Under most situations they are exempt

Ex. Attacker sets up an IRC server and users connect without knowing the system has been compromised


Honeypots and honeynets are flexible

  • Using virtual machines honeypots and honeynets can be set up with many different configurations

    • Using a virtual machine lowers its security


  • Can also connect to webservers to determine their malicious nature

    • Most search engines do this as they crawl webpages

img: google.com/support


Summery

  • Honeypots are a great detection mechanism

  • Honeynets are an excellent research tool

  • Can be configured to fit any need or cost

  • Poorly controlled honeypots and honeynets can get you in trouble


Software


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