mukul975
27c6414ca5
Complete skill folder anatomy across all cybersecurity skills: - scripts/agent.py: 80-150 line Python agents using real libraries (impacket, boto3, azure-mgmt-*, kubernetes, pefile, yara, scapy, shodan, stix2, etc.) - references/api-reference.md: real API documentation with method signatures - LICENSE: MIT license for all skill folders
2.0 KiB
API Reference: Phishing Incident Response Agent
Overview
Analyzes phishing emails: parses EML files, extracts URLs and attachment hashes, checks reputation via VirusTotal and urlscan.io, assesses SPF/DKIM/DMARC authentication, and generates severity-rated IR reports.
Dependencies
| Package | Version | Purpose |
|---|---|---|
| requests | >=2.28 | VirusTotal and urlscan.io API calls |
CLI Usage
python agent.py --eml suspicious_email.eml --vt-key <key> --output report.json
Key Functions
parse_email_file(eml_path)
Parses EML file extracting Subject, From, To, Received headers, and SPF/DKIM/DMARC authentication results.
extract_urls(msg)
Extracts all URLs from email body (plain text and HTML parts) using regex.
extract_attachments(msg)
Extracts attachment filenames, content types, sizes, and computes SHA-256/MD5 hashes.
check_url_virustotal(url, api_key)
Checks URL reputation on VirusTotal v3 API (malicious, suspicious, harmless counts).
check_url_urlscan(url)
Submits URL to urlscan.io for visual and behavioral analysis.
check_hash_virustotal(file_hash, api_key)
Checks attachment hash reputation on VirusTotal for malware detection.
assess_phishing_severity(parsed_email, url_results, attachment_results)
Rates phishing severity (Low/Medium/Critical) based on auth failures and malicious content.
External APIs Used
| API | Endpoint | Auth | Purpose |
|---|---|---|---|
| VirusTotal v3 | /api/v3/urls/{id} |
API key | URL reputation |
| VirusTotal v3 | /api/v3/files/{hash} |
API key | File hash reputation |
| urlscan.io | /api/v1/scan/ |
None | URL visual analysis |
Email Authentication Checks
| Check | Pass | Fail | Impact |
|---|---|---|---|
| SPF | Sender IP authorized | Possible spoofing | Severity +1 |
| DKIM | Signature valid | Message may be tampered | Severity +1 |
| DMARC | Policy enforced | SPF+DKIM alignment failed | Severity +1 |