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mukul975
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Complete skill folder anatomy across all cybersecurity skills: - scripts/agent.py: 80-150 line Python agents using real libraries (impacket, boto3, azure-mgmt-*, kubernetes, pefile, yara, scapy, shodan, stix2, etc.) - references/api-reference.md: real API documentation with method signatures - LICENSE: MIT license for all skill folders
2.2 KiB
2.2 KiB
API Reference: Implementing CloudTrail Log Analysis
Libraries
boto3 -- AWS CloudTrail
- Install:
pip install boto3 - Docs: https://boto3.amazonaws.com/v1/documentation/api/latest/reference/services/cloudtrail.html
Key Methods
| Method | Description |
|---|---|
lookup_events() |
Search recent CloudTrail events with filters |
describe_trails() |
List configured trails |
get_trail_status() |
Check if trail is actively logging |
create_trail() |
Create a new CloudTrail trail |
start_logging() / stop_logging() |
Control trail recording |
get_event_selectors() |
View event type configuration |
put_event_selectors() |
Configure management/data event capture |
Lookup Attributes
| AttributeKey | Description |
|---|---|
EventName |
API action name (e.g., RunInstances) |
Username |
IAM user or role name |
ResourceType |
AWS resource type |
ResourceName |
Specific resource identifier |
EventSource |
AWS service (e.g., ec2.amazonaws.com) |
ReadOnly |
Filter read vs write events |
Suspicious Event Names
| Event | Threat Category |
|---|---|
StopLogging / DeleteTrail |
Anti-forensics |
CreateUser / CreateAccessKey |
Persistence |
AttachUserPolicy / PutUserPolicy |
Privilege escalation |
ConsoleLogin (failed) |
Brute force |
RunInstances |
Resource abuse / cryptomining |
AuthorizeSecurityGroupIngress |
Lateral movement |
DisableKey |
Ransomware indicator |
Athena Query Integration
- Create Athena table from CloudTrail S3 logs
- SQL queries for historical analysis beyond 90-day API limit
- Partition by region, year, month for performance
CloudWatch Logs Insights
filter eventName = "ConsoleLogin"-- Login analysisstats count(*) by eventName-- API call frequencyfilter errorCode = "AccessDenied"-- Permission issues
External References
- CloudTrail User Guide: https://docs.aws.amazon.com/awscloudtrail/latest/userguide/
- CloudTrail Log Events: https://docs.aws.amazon.com/awscloudtrail/latest/userguide/cloudtrail-event-reference.html
- Athena + CloudTrail: https://docs.aws.amazon.com/athena/latest/ug/cloudtrail-logs.html