AWS Cli
Overview
AWS Cli is a forensics tool that appears across cloud security workflows in this knowledge base. It is referenced as part of higher-level security analysis, investigation, monitoring, or validation activity rather than as an end in itself.
What It Is
AWS Cli is best understood as a cloud-security tool in this knowledge base. Its role is conceptual and system-facing rather than procedural: it gives analysts or defenders a structured way to examine evidence, model system behavior, or reason about security state.
How It Works
AWS Cli works by turning technical inputs into more interpretable outputs at the system level. Across the source skills, it appears as part of larger analysis, investigation, monitoring, or validation loops rather than as a standalone end state.
Core Concepts
- cloud security
- aws
- s3
- bucket permissions
- data protection
- access control
- forensics
- cloud forensics
- azure
- gcp
- incident response
- log analysis
Typical Workflow
- Check the account-level S3 Block Public Access settings first, then list all buckets with their regions.
- INSTANCE_ID="i-0abc123def456789"
- --query 'Reservations[].Instances[].BlockDeviceMappings[].Ebs.VolumeId' --output text)
- 1. Scope Investigation: Identify timeframe, affected accounts, and compromised credentials.
- 2. Query CloudTrail: Use boto3 lookup_events or Athena to retrieve relevant API events.
- 3. Filter by Indicators: Search for suspicious user agents, source IPs, and event names.
- 4. Reconstruct Timeline: Build chronological sequence of attacker actions from API calls.
- 5. Analyze Access Patterns: Identify data access, IAM changes, and resource modifications.
- 6. Identify Persistence: Check for new IAM users, access keys, roles, or Lambda functions.
- 7. Generate Report: Produce forensic timeline with findings and remediation steps.
Use Cases
- When conducting a security assessment of AWS environments to identify publicly exposed data
- When onboarding a new AWS account and establishing a security baseline for storage resources
- When responding to an alert about potential S3 data exposure from AWS Trusted Advisor or Security Hub
- When compliance frameworks (SOC 2, PCI DSS, HIPAA) require periodic review of data access controls
- When a breach or credential compromise necessitates immediate review of all accessible S3 resources
- When investigating a security breach in AWS, Azure, or GCP cloud environments
- For collecting volatile and non-volatile evidence from cloud infrastructure
- When tracing unauthorized access through cloud service API logs
- During incident response requiring preservation of cloud-based evidence
- For analyzing compromised virtual machines, containers, or serverless functions
Limitations
- Output still depends on context, data quality, and surrounding analysis.
- The tool should be interpreted as part of a broader workflow, not as a complete answer by itself.
- Capabilities and visibility vary depending on environment, integrations, and available inputs.
Related Tools
- Prowler, ScoutSuite, ACLs, And Encryption Settings, And HIPAA Controls, Athena, AWS Athena, Azure Monitor
Sources
- auditing-aws-s3-bucket-permissions
- performing-cloud-forensics-investigation
- performing-cloud-forensics-with-aws-cloudtrail