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CTHFM: AWS
  • Welcome
  • Getting Started
    • Account Setup
  • AWS CLI
    • AWS CLI Overview
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  • AWS Fundamentals
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    • AWS Shared Responsibility Model
    • Organizational Hierarchy
    • AWS Principals
    • IAM Fundamentals
      • IAM Policy Components
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    • AWS Security Services Overview
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  • SQL
    • SQL Refresher for Threat Hunting
  • Logging Reference
    • Cloudtrail
      • What is Cloudtrail?
      • Setting Up Cloudtrail
      • Cloudtrail Events Structure
      • Filtering and Searching CloudTrail Logs
      • IAM ID Prefixes
      • Additional Resources
      • API References
    • VPCFlow Logs
    • GuardDuty
      • Multi-Account Setup
      • GuardDuty Concepts
      • GuardDuty Finding References
      • S3 Protection
      • Malware Protection
        • EC2 Malware Protection
          • EC2 Protection Resources
          • Monitoring Scans
          • EC2 Malware Protection Events: CloudWatch
        • S3 Malware Protection
          • Enabling S3 Malware Protection
          • After Enabling S3 Malware Protection
          • S3 Malware Resource Plan Status
          • S3 Malware Protection Quotas
      • RDS Protection Enablement
      • Lambda Protection Enablement
      • Trusted IP Lists and Threat Lists in Amazon GuardDuty
      • Remediation Recommendations
      • GuardDuty API Reference
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    • Access Analyzer
      • Setup
      • External Access and Unused Access Analyzer Findings
      • Review Findings
      • Access Analyzer Resources
      • Access Analyzer API Reference
    • AWS Network Firewall
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      • Resource Management in AWS Config
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      • AWS Config Resources
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        • Evaluation Modes
  • CloudWatch
    • Amazon CloudWatch
      • CloudWatch Concepts
      • CloudWatch Metrics
        • Filter Pattern Syntax
      • CloudWatch Alarms
        • Alarm Recommendations
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      • CloudWatch Agent
      • CloudWatch Insights
        • Supported Logs and Discovered Fields
        • CloudWatch Insights Query Syntax
      • Anomaly Detection
        • Create Anomaly Detector
        • Alarms for Anomaly Detections
      • CloudWatch Filter Syntax
      • CloudWatch Service Quota
  • Athena For Threat Hunting
    • Introduction to Athena
    • Setting Up Athena
    • SQL For Threat Hunters
    • Automated Response
    • Query Best Practices
  • AWS Security Research and Resources
    • AWS Security Blog
    • AWS Goat
    • Cloud Goat
    • Pacu
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  • Threat Hunting in AWS
    • Threat Hunting in AWS
    • Threat Hunting Introduction
    • Threat Hunting Process
      • Hypothesis Generation
      • Investigation
      • Identification
      • Resolution & Follow Up
    • Pyramid of Pain
    • MITRE Att&ck
      • MITRE Att&ck Concepts
      • MITRE Att&CK Data Sources
      • MITRE Att&CK Mitigations
    • MITRE Att&ck: AWS
      • MITRE Att&CK Matrix
      • Amazon Web Services Security Control Mappings
    • AWS Threat Hunting Ideas
      • AWS Threat Hunting Ideas: EC2
      • AWS Threat Hunting Ideas: Lambda
      • AWS Threat Hunting Ideas: SQS
      • AWS Threat Hunting Ideas: SNS
      • AWS Threat Hunting Ideas: RDS
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  • Monitoring GuardDuty Malware Protection for EC2 Scans
  • Scan Status and Results:
  • Tracking and Filtering Scans:
  1. Logging Reference
  2. GuardDuty
  3. Malware Protection
  4. EC2 Malware Protection

Monitoring Scans

Monitoring GuardDuty Malware Protection for EC2 Scans

Scan Status and Results:

Possible Scan Statuses:

  • Completed: The scan has finished.

  • Running: The scan is ongoing.

  • Skipped: The scan was not performed.

  • Failed: The scan could not complete.

Scan Results:

  • Clean: No malware detected.

  • Infected: Malware was found.

Scan Types:

  • GuardDuty-Initiated: Automatically triggered by GuardDuty findings.

  • On-Demand: Manually initiated by users.

  • Retention Period:

    • Scan results are retained for 90 days.

Tracking and Filtering Scans:

GuardDuty Console: Navigate to Malware Scans in the GuardDuty console to track and manage scans.

Filter Criteria: Scans can be filtered by the following attributes:

  • EC2_INSTANCE_ARN

  • SCAN_ID

  • ACCOUNT_ID

  • SCAN_TYPE (GuardDuty or On-demand)

  • GUARDDUTY_FINDING_ID (for GuardDuty-initiated scans)

  • SCAN_STATUS

  • SCAN_START_TIME

Filter Usage Example: Use the following AWS CLI command to retrieve scan details based on the scan ID or other filter criteria:

aws guardduty describe-malware-scans --detector-id <detector-id> \
--max-results 1 --sort-criteria '{"AttributeName": "scanStartTime", "OrderBy": "DESC"}' \
--filter-criteria '{"FilterCriterion":[{"CriterionKey":"SCAN_ID", "FilterCondition":{"EqualsValue":"123456789012"}}] }'

Customization Options:

  • Adjust detector-id, max-results, and EqualsValue to match your environment.

  • The AttributeName in the sort criteria must be scanStartTime.

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Last updated 8 months ago