Individual skill

analyzing-api-gateway-access-logs

Parses API Gateway access logs (AWS API Gateway, Kong, Nginx) to detect BOLA/IDOR attacks, rate limit bypass, credential scanning, and injection attempts. Uses pandas for statistical analysis of request patterns and anomaly detection. Use when investigating API abuse or building API-specific threat detection rules.

internal/tools/skills/data/security-operations/analyzing-api-gateway-access-logs/SKILL.md

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Nov 8, 2026
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Apache-2.0

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# Analyzing API Gateway Access Logs


## When to Use

- When investigating security incidents that require analyzing api gateway access logs
- When building detection rules or threat hunting queries for this domain
- When SOC analysts need structured procedures for this analysis type
- When validating security monitoring coverage for related attack techniques

## Detection Gaps & Validation

- **UUID/slug BOLA hides from `nunique` thresholds:** attackers who harvest IDs from list endpoints access objects one-by-one, so the `unique_ids > 50` rule misses them. Add a per-user ratio of `resource_id` accessed vs. `resource_id` the user owns, not just raw counts.
- **Rate-limit bypass is invisible if you key only on `source_ip`:** rotated `X-Forwarded-For`, `X-Real-IP`, or per-request API keys spread one campaign across many apparent clients. Group on JA3/TLS fingerprint or `user_id` too, and watch for clients that always sit just under the 429 threshold.