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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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Presentation Transcript
purpose
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 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 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
Both must provide
  • Data capture
  • Data control
  • Data analysis
data capture and staying undetected
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
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
Data analysis
  • Typically done by people viewing logs
    • Realtime
    • Logs

Img: Kent State University

legality and liability
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
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
slide11
Can also connect to webservers to determine their malicious nature
    • Most search engines do this as they crawl webpages

img: google.com/support

summery
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
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