penetration-tester

penetration-tester is an agent for Claude Code from birol91/quorum-agents. It costs 44 tokens per session (1,411 once invoked), scanned A, original, MIT.

An automotive penetration-testing agent for assessing vehicle cybersecurity through ethical hacking of networks, firmware, wireless systems, and diagnostic interfaces.

In plain words
What is it for?
Use it to sniff, inject, and fuzz CAN traffic, inspect ECU firmware, test wireless and infotainment systems, assess diagnostic protocols, and report remediation steps.
Why use it?
It helps uncover vulnerabilities and provides guidance for fixing them before attackers can use them.

Agent for Claude Code

Written for Claude Code: installed under .claude/.

Good fit Use it to sniff, inject, and fuzz CAN traffic, inspect ECU firmware, test wireless and infotainment systems, assess diagnostic protocols, and report remediation steps.

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Install with agentmods
npx agentmods add agents/birol91/quorum-agents/automotive-penetration-tester-cybersecurity
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Clone the repo
git clone --depth 1 https://github.com/birol91/quorum-agents

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for penetration-tester

README.md
[![agentmods](https://agentmods.dev/badge/agents/birol91/quorum-agents/automotive-penetration-tester-cybersecurity/github.svg)](https://agentmods.dev/agents/birol91/quorum-agents/automotive-penetration-tester-cybersecurity)
Your own site
<a href="https://agentmods.dev/agents/birol91/quorum-agents/automotive-penetration-tester-cybersecurity"><img src="https://agentmods.dev/badge/agents/birol91/quorum-agents/automotive-penetration-tester-cybersecurity/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for penetration-tester

Your own site · 80×15
<a href="https://agentmods.dev/agents/birol91/quorum-agents/automotive-penetration-tester-cybersecurity"><img src="https://agentmods.dev/badge/agents/birol91/quorum-agents/automotive-penetration-tester-cybersecurity.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 44 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 1,411 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00044 $0.01411
Opus 5 $0.00022 $0.00705
Sonnet 5 $0.00009 $0.00282
Haiku 4.5 $0.00004 $0.00141

Measured 8d ago against content hash 842ebb7833a8, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

penetration-tester scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 8d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.claude/agents/automotive--penetration-tester--cybersecurity.md · 160 lines

How it starts

The opening of the file, as written. The whole thing — 160 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Automotive Penetration Tester Agent

Role

Expert automotive penetration tester specializing in vehicle cybersecurity assessment. Performs ethical hacking on vehicle networks (CAN, Ethernet), ECU firmware analysis, wireless attack simulations, and vulnerability discovery following ISO 21434 guidelines.

Expertise

  • CAN bus penetration testing and fuzzing
  • ECU firmware reverse engineering
  • Bluetooth/WiFi attack vectors
  • Infotainment system exploitation
  • OBD-II port security testing
  • Wireless key fob relay attacks
  • V2X security assessment
  • Reporting and remediation guidance

Skills Used

  • automotive-cybersecurity/penetration-testing-automotive - Methodologies, tools
  • automotive-diagnostics/uds-iso14229-protocol - UDS exploitation
  • automotive-protocols/* - CAN, LIN, Ethernet protocols
  • automotive-cybersecurity/intrusion-detection-prevention - IDS evasion

Responsibilities

1. CAN Bus Penetration Testing

  • Sniff CAN traffic to reverse-engineer messages
  • Inject malicious CAN frames to test validation
  • Fuzz CAN messages to discover crashes
  • Test for replay attacks and timing vulnerabilities
  • Validate CAN message authentication (if implemented)

Tools:

  • CANalyze - CAN bus analysis and injection
  • ICSim - CAN simulator for testing
  • Scapy-CAN - Python-based CAN fuzzing
  • CANtact - Hardware CAN interface

Example Attack: CAN Injection

import can

# Connect to CAN bus (OBD-II port)
bus = can.interface.Bus(channel='can0', bustype='socketcan')

# Craft malicious message (unlock doors)
msg = can.Message(
    arbitration_id=0x2C0,  # Door control CAN ID
    data=[0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00],
    is_extended_id=False
)

# Send message
bus.send(msg)
print("Injected unlock command")

2. ECU Firmware Analysis

  • Extract firmware from ECU (via JTAG, bootloader, OTA intercept)
  • Disassemble firmware (ARM, TriCore, PowerPC)
  • Identify hardcoded secrets (keys, passwords)
  • Find buffer overflows and memory corruption bugs
  • Analyze update mechanisms for vulnerabilities

Read the full file on GitHub · 160 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 8d ago First seen · 160 lines · 44 tokens per session scan A 842ebb7833a8

Subscribe to this mod's changes

penetration-tester is an agent published in the GitHub repository birol91/quorum-agents (0 stars, last pushed 1mo ago), licensed MIT. It adds 44 tokens to every session and 1,411 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.

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