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- Add scripts/agent.py and references/api-reference.md to all remaining skills - Update all 648 LICENSE files: copyright now reads 'Mahipal' - Add implementing-security-monitoring-with-datadog (new skill with full anatomy) - All 649 skills now have: SKILL.md, LICENSE, scripts/agent.py, references/api-reference.md
59 lines
1.9 KiB
Markdown
59 lines
1.9 KiB
Markdown
# API Enumeration Attack Detection — API Reference
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## Libraries
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| Library | Install | Purpose |
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|---------|---------|---------|
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| requests | `pip install requests` | WAF and SIEM API queries |
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## Detection Techniques
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| Technique | Indicator | Severity |
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|-----------|-----------|----------|
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| Sequential ID enumeration | /api/users/1, /api/users/2, ... | HIGH |
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| Endpoint fuzzing | High 404 rate on /api/* paths | HIGH |
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| Rate abuse | >50 API requests/minute from single IP | MEDIUM |
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| Path discovery | Requests to /swagger, /api-docs, /graphql | HIGH |
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| BOLA/IDOR probing | Access to other users' resource IDs | CRITICAL |
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## NGINX Combined Log Format
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```
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$remote_addr - $remote_user [$time_local] "$request" $status $body_bytes_sent "$http_referer" "$http_user_agent"
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```
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## Common Enumeration Paths
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| Pattern | Description |
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|---------|-------------|
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| `/api/v1/users/{id}` | User ID enumeration |
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| `/api/v1/accounts/{uuid}` | Account UUID guessing |
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| `/graphql?query={__schema}` | GraphQL introspection |
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| `/swagger/v1/swagger.json` | API documentation discovery |
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| `/api-docs`, `/.well-known` | Endpoint discovery |
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## WAF Rule Categories
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| Category | Description |
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|----------|-------------|
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| `rate-limit` | Request rate exceeds threshold |
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| `api-abuse` | Automated API enumeration |
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| `bola` | Broken Object Level Authorization |
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| `scanner` | Known scanner/fuzzer user-agent |
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## OWASP API Security Top 10
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| ID | Risk |
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|----|------|
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| API1 | Broken Object Level Authorization |
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| API2 | Broken Authentication |
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| API3 | Broken Object Property Level Auth |
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| API4 | Unrestricted Resource Consumption |
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| API5 | Broken Function Level Authorization |
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## External References
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- [OWASP API Security Top 10](https://owasp.org/API-Security/)
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- [OWASP Testing Guide — API Testing](https://owasp.org/www-project-web-security-testing-guide/)
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- [ModSecurity API Protection Rules](https://coreruleset.org/)
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