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Detecting Signs of Intrusion

Dec 28, 2001

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Chapter 6 Checklist

Practice	Step Number	Step Description	Yes	Partial	No
P6.2: Ensure	S6.2.1	Policy considerations That the Software Used to Examine Systems Has Not Been Compromised
P6.3: Monitor	S6.3.1	Notify usersand Inspect Network Activities
	S6.3.2	Review network alerts
	S6.3.3	Review network error reports
	S6.3.4	Review network performance
	S6.3.5	Review network traffic
	S6.3.6	Policy considerations
P6.4: Monitor	S6.4.1	Notify usersand Inspect System Activities
	S6.4.2	Review system alerts
	S6.4.3	Review system error reports
	S6.4.4	Review system performance statistics
	S6.4.5	Monitor process activity and behavior
	S6.4.6	Monitor user behavior
	S6.4.7	Monitor for the presence of network sniffers
	S6.4.8	Run network mapping and scanning tools
	S6.4.9	Run vulnerability scanning tools on all systems
	S6.4.10	Policy considerations
P6.5: Inspect	S6.5.1	Verify integrityFiles and Directories for Unexpected Changes
	S6.5.2	Identify unexpected changes and their implications
	S6.5.3	Policy considerations
P6.6: Investigate	S6.6.1	Audit all systems and peripherals Unauthorized attached to the network Hardware infrastructureAttached to the Network
	S6.6.2	Probe for unauthorized modems
	S6.6.3	Probe all internal network segments to identify unauthorized hardware
	S6.6.4	Look for unexpected routes between the organization's network and external networks
	S6.6.5	Policy considerations
P6.7: Look for	S6.7.1	Check all physical means of Signs of entrance or exitUnauthorized Access to Physical Resources
	S6.7.2	Check physical resources for signs of tampering
	S6.7.3	Perform a physical audit of all movable media
	S6.7.4	Report all signs of unauthorized physical access
	S6.7.5	Policy considerations
P6.8: Review	S6.8.1	Perform "triage" upon receipt of Reports of a reportSuspicious System and Network Behavior and Events
	S6.8.2	Evaluate, correlate, and prioritize each report
	S6.8.3	Investigate each report or set of related reports
	S6.8.4	Policy considerations
P6.9: Take	S6.9.1	Document any unusual behavior Appropriate or activity that you discoverActions
	S6.9.2	Investigate each documented anomaly
	S6.9.3	Recognize the iterative nature of analysis and investigation
	S6.9.4	Initiate your intrusion response procedures
	S6.9.5	Update the configuration of alert mechanisms
	S6.9.6	Update all characterization information
	S6.9.7	Update logging and data collection mechanisms configurations
	S6.9.8	Dispose of every reported event
	S6.9.9	Policy considerations

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