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CTHFM: AWS
  • Welcome
  • Getting Started
    • Account Setup
  • AWS CLI
    • AWS CLI Overview
    • Installation
  • AWS Fundamentals
    • AWS Documentation
    • AWS Shared Responsibility Model
    • Organizational Hierarchy
    • AWS Principals
    • IAM Fundamentals
      • IAM Policy Components
      • IAM Documentation References
    • AWS Security Services Overview
    • AWS Core Services
    • AWS Frameworks
    • Regions and Availability Zones
  • 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
      • GuardDuty Quotas
    • Access Analyzer
      • Setup
      • External Access and Unused Access Analyzer Findings
      • Review Findings
      • Access Analyzer Resources
      • Access Analyzer API Reference
    • AWS Network Firewall
      • Permissions
      • Firewall Log Contents
      • Logging Destinations
      • CloudWatch Firewall Metrics
    • AWS Config
      • Resource Management in AWS Config
      • AWS Config Integrations
      • AWS Config Resources
      • Configuration Item
      • Config Rules
        • Evaluation Modes
  • CloudWatch
    • Amazon CloudWatch
      • CloudWatch Concepts
      • CloudWatch Metrics
        • Filter Pattern Syntax
      • CloudWatch Alarms
        • Alarm Recommendations
      • Subscriptions
      • 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
    • Prowler
    • Scout Suite
  • 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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On this page
  • Overview
  • Tools and Techniques for Data Collection and Analysis
  • Conducting Effective Searches
  1. Threat Hunting in AWS
  2. Threat Hunting Process

Investigation

Overview

The investigation stage involves in-depth data analysis to validate or dismiss hypotheses formed during the hypothesis generation stage. This section will guide you through the tools and techniques necessary for effective data collection and analysis.

Tools and Techniques for Data Collection and Analysis

  1. Data Collection: Utilize security tools to gather comprehensive data from logs, network flows, and endpoint records.

  2. Data Analysis: Apply analytical techniques and tools to sift through collected data, looking for patterns or anomalies that align with the hypothesized threats.

Conducting Effective Searches

  • Structured Searches: Use queries tailored to specific data types and suspected threat activities.

  • Efficient Analysis: Focus on high-impact data points to streamline the investigation process and reduce noise.

Example: The Discovery of Stuxnet

Overview: Stuxnet was a sophisticated malware that targeted industrial control systems. Initially detected due to irregularities in network behavior, further investigation revealed its true nature as a cyber weapon designed to disrupt Iranian nuclear facilities.

  • Initial Signs: Operators noted unexpected behaviors in centrifuge operations, sparking a deeper inquiry.

  • Data Analysis: Analysis of system logs and network traffic uncovered the malware, which exploited zero-day vulnerabilities and spread through removable drives.

  • Outcome: The investigation uncovered not just the operational impact of Stuxnet but also its complex design, leading to significant developments in industrial cybersecurity practices.

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Last updated 8 months ago