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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
50 lines
1.5 KiB
Markdown
50 lines
1.5 KiB
Markdown
# API Reference: Cloud Storage Access Pattern Analysis
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## AWS CLI - CloudTrail Lookup
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```bash
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aws cloudtrail lookup-events \
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--lookup-attributes AttributeKey=ResourceType,AttributeValue=AWS::S3::Object \
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--start-time 2024-01-15T00:00:00Z \
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--output json
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```
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## CloudTrail S3 Data Event Structure
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```json
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{
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"EventTime": "2024-01-15T10:30:00Z",
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"EventName": "GetObject",
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"Username": "analyst",
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"CloudTrailEvent": "{\"sourceIPAddress\":\"10.0.0.1\",\"userAgent\":\"aws-cli\",\"requestParameters\":{\"bucketName\":\"data\",\"key\":\"file.csv\"},\"userIdentity\":{\"arn\":\"arn:aws:iam::123:user/analyst\"}}"
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}
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```
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## Key S3 Event Names
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| Event | Meaning |
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|-------|---------|
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| GetObject | Object download |
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| PutObject | Object upload |
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| DeleteObject | Object deletion |
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| ListBucket / ListObjectsV2 | Bucket enumeration |
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| GetBucketPolicy | Policy read |
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| PutBucketPolicy | Policy modification |
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## Detection Thresholds
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| Anomaly | Threshold | Severity |
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|---------|-----------|----------|
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| Bulk download | >100 GetObject/hr per user | Critical |
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| After-hours | Access outside 08:00-18:00 UTC | Medium |
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| New source IP | IP not in 30-day baseline | High |
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| Enumeration | >20 ListBucket per user | High |
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## boto3 CloudTrail Client (alternative)
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```python
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import boto3
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client = boto3.client("cloudtrail")
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response = client.lookup_events(
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LookupAttributes=[{"AttributeKey":"ResourceType","AttributeValue":"AWS::S3::Object"}],
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StartTime=datetime(2024,1,15),
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MaxResults=50
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)
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events = response["Events"]
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```
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