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mukul975
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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
122 lines
2.7 KiB
Markdown
122 lines
2.7 KiB
Markdown
# API Reference: Email Header Analysis Tools
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## Python email Module
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### Parsing EML Files
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```python
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import email
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from email import policy
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with open("phishing.eml", "r") as f:
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msg = email.message_from_file(f, policy=policy.default)
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msg["From"] # From header
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msg["To"] # To header
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msg["Subject"] # Subject line
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msg["Message-ID"] # Unique message identifier
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msg["Reply-To"] # Reply-To address
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msg["Return-Path"] # Envelope sender
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msg.get_all("Received") # All Received headers (list)
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msg.get_all("Authentication-Results") # Auth results
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```
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### Body and Attachment Extraction
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```python
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body = msg.get_body(preferencelist=("html", "plain"))
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content = body.get_content()
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for part in msg.walk():
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if part.get_content_disposition() == "attachment":
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filename = part.get_filename()
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data = part.get_payload(decode=True)
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```
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## dig - DNS Record Lookup
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### SPF Record
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```bash
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dig TXT example.com +short
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# Output: "v=spf1 include:_spf.google.com ~all"
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```
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### DKIM Record
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```bash
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dig TXT selector1._domainkey.example.com +short
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```
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### DMARC Record
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```bash
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dig TXT _dmarc.example.com +short
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# Output: "v=DMARC1; p=reject; rua=mailto:dmarc@example.com"
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```
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## pyspf - SPF Validation (Python)
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### Syntax
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```python
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import spf
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result, explanation = spf.check2(
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i="203.0.113.45", # Sending IP
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s="sender@example.com", # Envelope sender
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h="mail.example.com" # HELO hostname
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)
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# Results: pass, fail, softfail, neutral, none, temperror, permerror
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```
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## dkimpy - DKIM Verification (Python)
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### Syntax
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```python
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import dkim
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with open("email.eml", "rb") as f:
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message = f.read()
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result = dkim.verify(message)
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# Returns True/False
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```
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## AbuseIPDB - IP Reputation
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### API Endpoint
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```bash
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curl -G "https://api.abuseipdb.com/api/v2/check" \
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-H "Key: YOUR_API_KEY" \
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-H "Accept: application/json" \
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-d "ipAddress=203.0.113.45" -d "maxAgeInDays=90"
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```
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### Response Fields
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| Field | Description |
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|-------|-------------|
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| `abuseConfidenceScore` | 0-100 confidence of abuse |
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| `totalReports` | Number of abuse reports |
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| `countryCode` | Source country |
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| `isp` | Internet service provider |
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## VirusTotal - Domain/URL Reputation
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### Domain Lookup
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```bash
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curl -H "x-apikey: YOUR_KEY" \
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"https://www.virustotal.com/api/v3/domains/suspicious.com"
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```
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### URL Scan
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```bash
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curl -X POST "https://www.virustotal.com/api/v3/urls" \
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-H "x-apikey: YOUR_KEY" \
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-d "url=http://suspicious-url.com/login"
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```
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## whois - Domain Registration
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### Syntax
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```bash
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whois suspicious-domain.com
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```
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### Key Fields
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- `Registrar` - Domain registrar
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- `Creation Date` - When domain was registered
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- `Registrant` - Domain owner info
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- `Name Server` - Authoritative DNS servers
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