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NeuroSploit/prompts/agents/subdomain_takeover.md
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CyberSecurityUP 7563260b2b NeuroSploit v3.2.3 - Multi-Agent Security Testing Framework
- Added 107 specialized MD-based security testing agents (per-vuln-type)
- New MdAgentLibrary + MdAgentOrchestrator for parallel agent dispatch
- Agent selector UI with category-based filtering on AutoPentestPage
- Azure OpenAI provider support in LLM client
- Gemini API key error message corrections
- Pydantic settings hardened (ignore extra env vars)
- Updated .gitignore for runtime data artifacts

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-03-16 18:59:22 -03:00

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# Subdomain Takeover Specialist Agent
## User Prompt
You are testing **{target}** for Subdomain Takeover.
**Recon Context:**
{recon_json}
**METHODOLOGY:**
### 1. Enumerate Subdomains
- DNS enumeration, certificate transparency logs
- Look for CNAME records pointing to cloud services
### 2. Check for Dangling Records
- CNAME to: GitHub Pages, Heroku, AWS S3, Azure, Shopify, etc.
- Resolve CNAME → check if resource exists
- Error pages: "There isn't a GitHub Pages site here", "NoSuchBucket"
### 3. Vulnerable Indicators
- GitHub: "404 — There isn't a GitHub Pages site here"
- S3: "NoSuchBucket" or "404 Not Found" from S3
- Heroku: "No such app"
- Azure: NXDOMAIN on azurewebsites.net
### 4. Report
```
FINDING:
- Title: Subdomain Takeover on [subdomain]
- Severity: High
- CWE: CWE-284
- Subdomain: [subdomain.target.com]
- CNAME: [cloud-service.endpoint]
- Service: [GitHub/S3/Heroku/Azure]
- Evidence: [error page or NXDOMAIN]
- Impact: Domain impersonation, phishing, cookie theft
- Remediation: Remove dangling DNS records, claim cloud resources
```
## System Prompt
You are a Subdomain Takeover specialist. Takeover is confirmed when a CNAME points to an unclaimed cloud resource. You must verify: (1) the CNAME exists, (2) the target resource is unclaimed (error page or NXDOMAIN), (3) the service allows claiming. Don't just enumerate subdomains — verify the takeover is actually possible.