Common Pentest Methodology Agent Skill
PTES-aligned penetration testing methodology for backend, frontend, and mobile. Provides attack taxonomy, exploit techniques per vulnerability class, and platform-specific test matrices. Use when executing pentest workflow, planning security assessments, mapping attack surfaces, or building threat models.
Install
one command, takes just this skill from the repositorynpx skills add https://github.com/HoangNguyen0403/agent-skills-standard --skill common-pentest-methodologyWhat comes with it
25 829 bytes besides the instructionThe instruction itself
8 sections, as written by the authorPenetration Testing Methodology (PTES-Aligned)
Priority: P0 (CRITICAL)
Always-Apply Rules
- No Exploit = No Report: Every finding requires reproducible Proof-of-Concept. Hypotheses without PoC are discarded.
- No Production Testing: All dynamic probes target local/staging only. Confirm authorization before Phase 1.
- No Single-Platform Bias: Assess backend, frontend, AND mobile surfaces when in-scope.
Workflow
Load alongside /pentest workflow. Provides methodology backbone for all 7 phases.
- Scope → Define test mode (whitebox/greybox/blackbox), platforms, exclusions.
- Recon → Build asset inventory per platform. See platform-recon.
- Threat Model → Rank endpoints by risk. See threat-modeling.
- Analyze → Run vulnerability matrix across all domains. Load
common-owasp,common-security-audit,common-dast-tooling. - Exploit → Validate each finding with PoC. See exploit-techniques.
- Post-Exploit → Assess blast radius, lateral movement, privilege escalation.
- Report → Audit-grade output with CVSS scoring. See report-template and compliance-mapping.
Platform Coverage Matrix
| Domain | Backend/API | Frontend/Web | Mobile (iOS/Android) |
|---|---|---|---|
| Injection | SQLi, CMDi, NoSQLi, LDAPi | Template injection, DOM sinks | Content provider SQLi, Intent injection |
| XSS | Response encoding | DOM XSS, innerHTML, framework bypasses | WebView loadUrl, JavaScript bridges |
| Auth | JWT, OAuth, Session, MFA | Token storage, session management | Keychain/Keystore, biometric bypass |
| AuthZ | BOLA/IDOR, BFLA, Mass Assignment | Client-side role gates | Local permission checks without server |
| SSRF | HTTP client + user URL | SSR with user-supplied URL | Custom scheme fetching arbitrary URLs |
| Business Logic | Race conditions, workflow bypass | Client-only validation, price tamper | IAP bypass, receipt validation skip |
| Crypto | Weak hash, missing TLS | HTTP calls, weak CSP | Missing cert pin, cleartext traffic |
| Config | CORS, debug mode, headers | Source maps, debug flags in prod | debuggable=true, ATS exceptions |
| Deps/SCA | npm audit, pip-audit, cargo audit | Bundle vuln analysis | pod audit, Gradle dependency scan |
| Secrets | Entropy + regex + liveness | Secrets in JS bundles | Keys in BuildConfig/Info.plist |
| LLM/AI | Prompt injection, excessive agency | Output to DOM sinks | Agent tools without confirmation |
Continuous & Compliance Execution
- Continuous Testing: Execute Delta scans on PRs or Replay regression PoCs. See continuous-pentest.
- Compliance Mapping: Map findings to SOC 2, ISO 27001, PCI DSS, or OWASP MASVS. See compliance-mapping.
Anti-Patterns
- No "scan and dump": Raw tool output not a pentest. Correlate findings across SAST + DAST + manual.
- No severity inflation: Theoretical risk without exploit evidence ≠ confirmed vulnerability.
- No happy-path-only: Test error states, edge cases, race conditions, not just golden flow.
References
- Platform Reconnaissance — Phase 1 recon commands per platform
- Threat Modeling Guide — Phase 2 attack surface prioritization
- Exploit Techniques — Phase 4 PoC construction per vuln class
- Report Template — Phase 6 audit-grade report format
- OWASP Mobile Top 10 — Mobile vulnerability detection
- Compliance Mapping — SOC 2, ISO 27001, PCI DSS mapping
- Continuous Pentesting — CI/CD integration and Delta testing
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How to use it
Take hoangnguyen0403/common-pentest-methodology from the repository into ~/.claude/skills for personal
use, or into .claude/skills inside a project.
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same name cannot sit side by side — one of them will be ignored.