ptn1411/skill/network-interceptor

Claude Code and agent skill by ptn1411/skill

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Checking that the SKILL.md file is still in the repository.

Capture, analyze, and replay network traffic between app and license/API servers. Uses mitmproxy for capture and built-in analysis for endpoint discovery, OAuth detection, and token extraction.

Install

npx vskill@latest install ptn1411/skill/network-interceptor

SKILL.md

Network Interceptor

Capture and analyze app-server communication to discover license protocols, API endpoints, and authentication flows.
Language rule: All skill instructions use English.
Final summary presented to the user must be in Vietnamese.

0. Authorization & Routing

Operates under MASTER_POLICY.md §1-§2.

Sibling skillWhen
electron-app-analyzerJS endpoint analysis from source
writerpro-pentestKeygen from discovered API patterns
frida-hookerBypass SSL pinning before capture
memory-dumperExtract tokens from process memory

Step 1 — Capture Traffic

bash
python scripts/capture_traffic.py --port 8080 --duration 120 --out captured.har
powershell
python scripts\capture_traffic.py --port 8080 --duration 120 --out captured.har

Requires: pip install mitmproxy

Step 2 — Analyze Traffic

bash
python scripts/analyze_traffic.py captured.har --out analysis/

Detects: API endpoints, OAuth flows, Bearer tokens, license validation calls, HWID submissions.

Step 3 — Replay

bash
python scripts/analyze_traffic.py captured.har --replay 5 --out replay_script.py

Generates standalone Python requests script to replay any captured request.

Final Report (Vietnamese)

🌐 Phân tích network hoàn tất:
 
  📡 Requests captured : <COUNT>
  🔗 API endpoints     : <COUNT> unique
  🔑 Tokens found      : <COUNT>
  🔐 OAuth flow        : <DETECTED/NONE>
  📋 License calls     : <COUNT>
 
  💾 Output: analysis/

Anti-Patterns

❌ Don't✅ Do
Capture without SSL intercept certInstall mitmproxy CA cert first
Ignore non-HTTP protocolsSome license servers use raw TCP/gRPC
Miss OAuth flowsLook for /authorize, /token, /callback patterns
Skip response bodiesLicense responses contain feature flags and expiry

Security

  • Security scanPassed, 100 of 100Pattern checks on the skill's files.
  • Model reviewNot runA model review is scheduled for the next rescan.

See the full security report

Quality evaluation

  • Task evaluationNot runNo evaluation yet. Run one in Skill Studio.

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Source

Popularity

Repository stars
150
Repository forks
90
7-day trend score
25

Stars and forks are for the whole GitHub repository, not this skill alone. Not refreshed yet.

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