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Anthropic-Cybersecurity-Skills/skills/detecting-sql-injection-via-waf-logs/SKILL.md
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Markdown

---
name: detecting-sql-injection-via-waf-logs
description: Analyze WAF (ModSecurity/AWS WAF/Cloudflare) logs to detect SQL injection
attack campaigns. Parses ModSecurity audit logs and JSON WAF event logs to identify
SQLi patterns (UNION SELECT, OR 1=1, SLEEP(), BENCHMARK()), tracks attack sources,
correlates multi-stage injection attempts, and generates incident reports with OWASP
classification.
domain: cybersecurity
subdomain: security-operations
tags:
- waf-log-analysis
- sql-injection-detection
- modsecurity
- aws-waf
- cloudflare-waf
- web-application-security
version: '1.0'
author: mahipal
license: Apache-2.0
nist_csf:
- DE.CM-01
- RS.MA-01
- GV.OV-01
- DE.AE-02
mitre_attack:
- T1190
- T1505.003
- T1059.007
---
# Detecting SQL Injection via WAF Logs
## When to Use
- When investigating security incidents that require detecting sql injection via waf 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
## Prerequisites
- Familiarity with security operations concepts and tools
- Access to a test or lab environment for safe execution
- Python 3.8+ with required dependencies installed
- Appropriate authorization for any testing activities
## Instructions
1. Install dependencies: `pip install requests`
2. Collect WAF logs (ModSecurity audit log, AWS WAF JSON logs, or Cloudflare firewall events).
3. Run the agent to parse and analyze:
- Detect SQLi payloads via 15+ regex patterns
- Classify attacks by OWASP injection type (classic, blind, time-based, UNION-based)
- Identify persistent attackers by IP clustering
- Correlate multi-request injection campaigns
- Calculate attack success probability based on response codes
```bash
python scripts/agent.py --log-file /var/log/modsec_audit.log --format modsecurity --output sqli_report.json
```
## Examples
### ModSecurity SQLi Detection
```
Rule 942100 triggered: SQL Injection Attack Detected via libinjection
URI: /api/users?id=1' UNION SELECT username,password FROM users--
Source IP: 203.0.113.42 (47 requests in 5 minutes)
Classification: UNION-based SQLi campaign
```