Our review
This skill validates outbound interactions and out-of-band (OOB) communications during security assessments, such as SSRF callbacks, blind XSS beacons, or webhook abuse.
Strengths
- Generates unique correlation identifiers per test, ensuring reliable traceability.
- Distinguishes background noise from legitimate interactions using control payloads.
- Provides a detailed correlation table (token, path, timestamp) for reproducible validation.
Limitations
- Requires an external listener or callback service to capture interactions.
- May produce false positives if retention windows are insufficient or the network is noisy.
- Does not cover purely in-band vulnerabilities that do not require external callbacks.
Use this skill when your test involves asynchronous interaction with a remote server, such as SSRF attacks, blind XSS, XXE OOB, or webhook abuse.
Do not use it for static tests, code reviews without execution, or scenarios where validation is entirely in-band without need for a callback.
Security analysis
SafeThe skill is a methodology guide for pentesters describing out-of-band detection techniques without any executable commands, destructive actions, or data exfiltration instructions. It poses no execution risk as it does not instruct the AI to run tools.
No concerns found
Examples
Test for blind XSS on the contact form by injecting a payload that triggers an out-of-band callback. Use a unique token for correlation and confirm the interaction via DNS lookup.Verify SSRF on the proxy endpoint by sending a request to a controlled callback server. Include a unique correlation ID in the URL and validate the callback with its timestamp.Exploit an XXE vulnerability to exfiltrate data out-of-band. Use an external DTD and a webhook callback to capture the content, and correlate the received data with the sent token.name: pentest-outbound-interaction-oob-detection description: "Security assessment skill for outbound interaction and out-of-band (OOB) validation. Use when prompts include SSRF callback confirmation, blind XSS beacons, webhook abuse, XXE/OOB behavior, DNS/HTTP callback correlation, or asynchronous server-side interaction proof. Do not use when vulnerabilities are fully in-band and require no external callback correlation."
Outbound Interaction & OOB Detection
Activation Triggers (Positive)
ssrf callbackblind xsswebhook abuseoobdns interactionasynchronous callbackxxe out of band
Exclusion Triggers (Negative)
fully in-band exploitstatic code review onlyreport drafting only
Output Schema
- Callback correlation table:
token,payload path,timestamp,source context - Validation verdict:
confirmed,not confirmed,inconclusive - Follow-on exploitation opportunities from confirmed outbound behavior
Instructions
- Generate unique per-test correlation identifiers before sending payloads.
- Ensure callback listener scope and retention are sufficient for delayed events.
- Correlate callbacks by token, path, and time window before confirmation.
- Differentiate noisy background traffic from test-linked interactions.
- Use control payloads to reduce false positives.
- Pass confirmed primitives to exploit or logic skills with full correlation evidence.
Should Do
- Treat OOB validation as evidence discipline, not only payload dispatch.
- Preserve immutable callback logs for auditability.
- Include both positive and negative control outcomes.
Should Not Do
- Do not claim confirmation without deterministic correlation.
- Do not reuse tokens across unrelated tests.
- Do not expose real secrets in callback payloads.
Security Audit Scanner
Security
Analyzes code to detect OWASP Top 10 vulnerabilities.
OWASP Security Checklist
Security
Generates application security checklists based on the OWASP Top 10.
Threat Model Generator
Security
Generates threat model documents with STRIDE analysis.