when-auditing-security-use-security-analyzer

Security Analyzer - Comprehensive Security Auditing Skill

Overview

This skill provides multi-vector security analysis combining static code analysis, dynamic testing, dependency auditing, secrets detection, and OWASP Top 10 compliance checking. Uses coordinated agents with validation gates between phases.

Architecture

Security Manager (Coordinator)
    ├─→ Phase 1: Static Analysis (Code Analyzer)
    ├─→ Phase 2: Dynamic Testing (Tester)
    ├─→ Phase 3: Dependency Audit (Security Manager)
    ├─→ Phase 4: Secrets Detection (Code Analyzer)
    └─→ Phase 5: Compliance Check (Security Manager)

Phase 1: Static Code Analysis

Objective

Identify code-level vulnerabilities, security anti-patterns, and unsafe practices.

Security Manager Setup

# Initialize security audit session
npx claude-flow@alpha hooks pre-task --description "Security static analysis initialization"
npx claude-flow@alpha hooks session-restore --session-id "security-audit-${DATE}"

# Set up memory namespace
npx claude-flow@alpha memory store \
  --key "swarm/security/config" \
  --value '{
    "scan_type": "static",
    "severity_threshold": "medium",
    "frameworks": ["owasp", "cwe"],
    "timestamp": "'$(date -Iseconds)'"
  }'

Code Analyzer Execution

# Spawn code analyzer agent for static analysis
# Agent performs:

# 1. SQL Injection Detection
npx claude-flow@alpha hooks pre-task --description "SQL injection vulnerability scan"

# Scan patterns:
# ❌ VULNERABLE:
#   const query = "SELECT * FROM users WHERE id = " + userId;
#   db.query("SELECT * FROM " + tableName);
#
# ✅ SECURE:
#   const query = "SELECT * FROM users WHERE id = ?";
#   db.query(query, [userId]);

grep -rn "\.query\|\.exec" --include="*.js" --include="*.ts" . | \
  grep -v "?" | grep -v "\$[0-9]" > /tmp/sql-findings.txt

# 2. XSS Vulnerability Detection
# ❌ VULNERABLE:
#   element.innerHTML = userInput;
#   eval(userInput);
#   new Function(userInput)();
#
# ✅ SECURE:
#   element.textContent = userInput;
#   JSON.parse(sanitizedInput);

grep -rn "innerHTML\|eval\|new Function" --include="*.js" --include="*.jsx" . > /tmp/xss-findings.txt

# 3. Path Traversal Detection
# ❌ VULNERABLE:
#   fs.readFile(userPath);
#   require(userInput);
#
# ✅ SECURE:
#   const safePath = path.join(baseDir, path.normalize(userPath));
#   if (!safePath.startsWith(baseDir)) throw new Error('Invalid path');

grep -rn "readFile\|writeFile\|require.*\+" --include="*.js" . > /tmp/path-traversal-findings.txt

# 4. Insecure Cryptography
# ❌ VULNERABLE:
#   crypto.createHash('md5');
#   crypto.createCipher('des', key);
#
# ✅ SECURE:
#   crypto.createHash('sha256');
#   crypto.createCipheriv('aes-256-gcm', key, iv);

grep -rn "md5\|sha1\|des\|rc4" --include="*.js" --include="*.ts" . > /tmp/crypto-findings.txt

# Store findings in memory
npx claude-flow@alpha memory store \
  --key "swarm/security/static-analysis" \
  --value "$(cat /tmp/*-findings.txt | jq -Rs '{findings: ., timestamp: now}')"

npx claude-flow@alpha hooks post-task --task-id "static-analysis"

Validation Gate 1

# Check if critical vulnerabilities found
CRITICAL_COUNT=$(cat /tmp/*-findings.txt | grep -c ".")

if [ "$CRITICAL_COUNT" -gt 0 ]; then
  echo "⚠️  GATE FAILED: $CRITICAL_COUNT potential vulnerabilities found"
  npx claude-flow@alpha hooks notify --message "Static analysis found $CRITICAL_COUNT issues - review required"
  # Continue but flag for review
fi

Phase 2: Dynamic Security Testing

Objective

Runtime vulnerability detection through active testing and fuzzing.

Tester Agent Execution

npx claude-flow@alpha hooks pre-task --description "Dynamic security testing"

# 1. Authentication Bypass Testing
cat > /tmp/auth-test.js << 'EOF'
// Test suite for authentication vulnerabilities
const axios = require('axios');

async function testAuthBypass() {
  const tests = [
    // SQL Injection in auth
    { username: "admin'--", password: "anything" },
    { username: "admin' OR '1'='1", password: "" },

    // JWT manipulation
    { token: "eyJ0eXAiOiJKV1QiLCJhbGciOiJub25lIn0..." }, // None algorithm

    // Session fixation
    { session: "../../admin-session" },

    // NoSQL injection
    { username: { "$ne": null }, password: { "$ne": null } }
  ];

  const vulnerabilities = [];

  for (const test of tests) {
    try {
      const response = await axios.post('http://localhost:3000/login', test);
      if (response.status === 200) {
        vulnerabilities.push({
          type: 'AUTH_BYPASS',
          severity: 'CRITICAL',
          payload: test,
          description: 'Authentication bypass successful'
        });
      }
    } catch (e) {
      // Expected - auth failed
    }
  }

  return vulnerabilities;
}

module.exports = { testAuthBypass };
EOF

# 2. CSRF Testing
cat > /tmp/csrf-test.js << 'EOF'
async function testCSRF() {
  const response = await axios.post('http://localhost:3000/api/transfer', {
    to: 'attacker',
    amount: 1000
  }, {
    headers: {
      'Origin': 'http://evil.com',
      'Referer': 'http://evil.com'
    }
  });

  // Should be rejected without CSRF token
  if (response.status === 200) {
    return {
      type: 'CSRF',
      severity: 'HIGH',
      description: 'Missing CSRF protection on state-changing operation'
    };
  }
}
EOF

# 3. Rate Limiting Test
cat > /tmp/rate-limit-test.js << 'EOF'
async function testRateLimit() {
  const requests = [];
  for (let i = 0; i < 1000; i++) {
    requests.push(axios.get('http://localhost:3000/api/data'));
  }

  const responses = await Promise.all(requests);
  const successCount = responses.filter(r => r.status === 200).length;

  if (successCount > 100) {
    return {
      type: 'NO_RATE_LIMIT',
      severity: 'MEDIUM',
      description: `No rate limiting detected - ${successCount}/1000 requests succeeded`
    };
  }
}
EOF

# Execute dynamic tests
node /tmp/auth-test.js > /tmp/dynamic-findings.json
node /tmp/csrf-test.js >> /tmp/dynamic-findings.json
node /tmp/rate-limit-test.js >> /tmp/dynamic-findings.json

npx claude-flow@alpha memory store \
  --key "swarm/security/dynamic-testing" \
  --value "$(cat /tmp/dynamic-findings.json)"

npx claude-flow@alpha hooks post-task --task-id "dynamic-testing"

Validation Gate 2

CRITICAL_RUNTIME=$(jq '[.[] | select(.severity == "CRITICAL")] | length' /tmp/dynamic-findings.json)

if [ "$CRITICAL_RUNTIME" -gt 0 ]; then
  echo "🚨 GATE FAILED: $CRITICAL_RUNTIME critical runtime vulnerabilities"
  exit 1  # Hard stop for critical runtime issues
fi

Phase 3: Dependency Security Audit

Objective

Identify known vulnerabilities (CVEs) in dependencies and supply chain risks.

Security Manager Execution

npx claude-flow@alpha hooks pre-task --description "Dependency vulnerability scan"

# 1. NPM Audit
npm audit --json > /tmp/npm-audit.json 2>&1 || true

# 2. Check for outdated packages with known vulnerabilities
npm outdated --json > /tmp/outdated.json 2>&1 || true

# 3. License compliance check
npx license-checker --json > /tmp/licenses.json 2>&1 || true

# 4. Check for malicious packages (typosquatting)
cat package.json | jq -r '.dependencies | keys[]' | while read pkg; do
  # Check against known malicious package database
  if grep -q "$pkg" /tmp/malicious-packages.txt 2>/dev/null; then
    echo "⚠️  MALICIOUS PACKAGE DETECTED: $pkg"
  fi
done > /tmp/malicious-check.txt

# 5. SBOM (Software Bill of Materials) generation
npx @cyclonedx/cyclonedx-npm --output-file /tmp/sbom.json

# Analyze CVE severity
jq '{
  critical: [.vulnerabilities | to_entries[] | select(.value.severity == "critical")],
  high: [.vulnerabilities | to_entries[] | select(.value.severity == "high")],
  moderate: [.vulnerabilities | to_entries[] | select(.value.severity == "moderate")],
  low: [.vulnerabilities | to_entries[] | select(.value.severity == "low")],
  total: .metadata.vulnerabilities
}' /tmp/npm-audit.json > /tmp/dependency-summary.json

npx claude-flow@a