Agent-Skills.md

Agent Skills: Security Audit

Adversarial security probing and vulnerability assessments across Node, Go, Dart, Java, Python, and Rust. (triggers: package.json, go.mod, pubspec.yaml, pom.xml, Dockerfile, security audit, vulnerability scan, secrets detection, injection probe, pentest)

UncategorizedID: hoangnguyen0403/agent-skills-standard/common-security-audit

Repository

hoangnguyen0403/agent-skills-standard
HoangNguyen0403License: Apache-2.0
362103

Install this agent skill to your local

pnpm dlx add-skill https://github.com/HoangNguyen0403/agent-skills-standard/tree/HEAD/.agent/skills/common/common-security-audit

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.agent/skills/common/common-security-audit/SKILL.md

Skill Metadata

Name
common-security-audit
Description
"Adversarial security probing and vulnerability assessments across Node, Go, Dart, Java, Python, and Rust. (triggers: package.json, go.mod, pubspec.yaml, pom.xml, Dockerfile, security audit, vulnerability scan, secrets detection, injection probe, pentest)"

Security Audit

Priority: P0 (CRITICAL)

📋 Security Probing Protocol

1. Hardcoded Secrets (Critical)

Scan for plain-text keys, passwords, and tokens in code.

grep -riE "(password|apiKey|api_key|secret|private_key|token)\s*=\s*['\"][^'\"]{6,}" \
  . --exclude-dir={node_modules,dist,build,.git} -l

2. Data Leakage in Logs (PII/Secrets)

Identify sensitive info printed to logs or stdout.

  • Node/TS: grep -rE "console\.(log|error|warn)" . --include="*.ts" --include="*.js" | grep -iE "password|token|secret|private"
  • Go: grep -rE "log\.(Print|Printf|Println|Fatal)" . --include="*.go" | grep -iE "password|token|secret"
  • Dart/Flutter: grep -rE "print\(|debugPrint\(" . --include="*.dart" | grep -iE "password|token|secret"
  • Java/Spring: grep -rE "log(ger)?\.(info|debug|warn|error)" . --include="*.java" | grep -iE "password|token|secret"

3. Injection Surface (SQL / Command)

Detect raw string concatenation in queries or system commands.

grep -rE "\+.*SELECT|\+.*INSERT|\+.*UPDATE|\+.*DELETE|query\(.*\+|fmt\.Sprintf.*SELECT" \
  . --include="*.ts" --include="*.js" --include="*.go" --include="*.java" --include="*.py"

4. Auth Coverage vs Exposure

Compare total routes vs protected endpoints.

  • NestJS: total=$(grep -r "@(Get|Post|Put|Delete|Patch)" . | wc -l); guarded=$(grep -r "@(UseGuards|Auth)" . | wc -l)
  • Spring: total=$(grep -r "@(GetMapping|PostMapping|PutMapping)" . | wc -l); guarded=$(grep -r "@(PreAuthorize|Secured)" . | wc -l)
  • Go: total=$(grep -rE "(GET|POST|PUT|DELETE)" . | wc -l); guarded=$(grep -rE "(middleware|auth|jwt|guard)" . | wc -l)

5. Dependency Audit (CVE Scan)

  • Node: npm audit --audit-level=high
  • Dart/Flutter: dart pub outdated --json
  • Go: go list -m -u all | grep "\["
  • Java: mvn dependency:list or ./gradlew dependencies
  • Python: pip-audit
  • Rust: cargo audit

6. Infrastructure Hardening

grep -rE "^FROM .+:latest|^USER root|curl.*sh.*|ADD http" . --include="Dockerfile"

⚖️ Scoring Impact

| Finding | Threshold | Severity | Deduction | | ---------------------------- | --------- | -------- | --------- | | Hardcoded Secrets | Any match | 🔴 P0 | -25 | | Plain-text PII in Logs | Any match | 🔴 P0 | -20 | | Unguarded Routes > 20% | > 0.2 | 🔴 P0 | -15 | | Raw SQL Concatenation | Any match | 🟠 P1 | -10 | | Response Leakage (Stack) | > 0 | 🟠 P1 | -10 |

[!CAUTION] A 🔴 P0 finding immediately caps the Security score at 40/100.

📚 Reference Links

🚫 Anti-Patterns

  • Do NOT use standard patterns if specific project rules exist.
  • Do NOT ignore error handling or edge cases.