Honeypot An instrument for attracting and detecting attackers Adapted from R. Baumann.

HoneypotHoneypotAn instrument for attractingAn instrument for attractingand detecting attackersand detecting attackers

Adapted from R. Baumann

Honeypot - R. Baumann – April 2002

AgendaAgenda

Theory Implementation Administrations Toolkit Attacks Conclusion

Honeypot - R. Baumann – April 2002

TheoryTheory

HoneypotHoneypot Term originally from the military Fake target or ambush In this presentation, the term „honeypot“ is used

in network security environment

Honeypot - R. Baumann – April 2002

TheoryTheory

DefinitionDefinition

A honeypot is a resource which pretends to be a real target. A

honeypot is expected to be attacked or compromised. The main goals are the distraction of an attacker

and the gain of information about an attacker, his methods and tools.

Honeypot - R. Baumann – April 2002

TheoryTheory

BenefitBenefit Productive environment:

distraction from the real targets Research environment:

information gathering

but: No direct protection gained In difference to IDS: no false alerts

Honeypot - R. Baumann – April 2002

TheoryTheory

Types of implementationTypes of implementation Level of Involvement

– Low Involvement: Port Listeners

– Mid Involvement: Fake Daemons

– High Involvement: Real Services

Risk increases with level of involvement

Honeypot - R. Baumann – April 2002

TheoryTheory

HoneynetHoneynet Network of honeypots Supplemented by firewalls and intrusion

detection systems

Advantages: “More realistic” environment Improved possibilities to collect data

Honeypot - R. Baumann – April 2002

ImplementationImplementation

Projekt HoneybreadProjekt Honeybread Honeynet implementation Administration Toolkit Ethernet Tunneling Software

Honeypot - R. Baumann – April 2002

ImplementationImplementation

Schematic illustrationSchematic illustration

HoneypotsDetectionInternet

Honeypot - R. Baumann – April 2002

ImplementationImplementation

TopologyTopology

Honeypot - R. Baumann – April 2002

ImplementationImplementation

HoneypotsHoneypots Multiple honeypots

Virtual machines

Different, independent systems

Honeypot - R. Baumann – April 2002

ImplementationImplementation

Detection unitDetection unit Information logging

Connection control

Administration

Honeypot - R. Baumann – April 2002

Administration InterfaceAdministration Interface

FeaturesFeatures Web-based Event visualization Connections from and to the honeynet Intrusion detection system alerts Session logs Statistics and reports

Honeypot - R. Baumann – April 2002

Administration InterfaceAdministration Interface

ScreenshotScreenshot

Honeypot - R. Baumann – April 2002

AttacksAttacks

FactsFacts Huge amount of IDS alerts (>40‘000) Mostly automated attacks Code Red Virus

In less than 24 hours successfully attacked Well known security vulnerabilities used

Honeypot - R. Baumann – April 2002

AttacksAttacks

IDS alertsIDS alerts

Honeypot - R. Baumann – April 2002

AttacksAttacks

Distribution over timeDistribution over time

Honeypot - R. Baumann – April 2002

AttacksAttacks

OriginOrigin

Honeypot - R. Baumann – April 2002

AttacksAttacks

SummarySummary Amount of attacks surprised Origin of attacks mostly from local systems

– Attacks on own subnet

– Most tools use own subnet as default setting

Conclusion: Protection required and possible

Honeypot - R. Baumann – April 2002

SummarySummary

TechnologyTechnology Honeypot as a safety solution not very attractive

– Very time expensive

– No out-of-the-box solutions

– Risk quite high when used inappropriately

– Deep knowledge needed

– Legal situation uncertain

Honeypot as a service very attractive

Honeypot - R. Baumann – April 2002

SummarySummary

ImplementationImplementation Data analysis very complex and time consuming Very good learning results Very interesting research area Exciting and suprising moments