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API Reference — Performing Initial Access with Evilginx3

Libraries Used

  • pyyaml: Parse Evilginx3 phishlet YAML configuration files
  • subprocess: Check Evilginx installation and version
  • pathlib: Directory listing and file reading
  • re: IP address extraction from session logs

CLI Interface

python agent.py parse --phishlet office365.yaml
python agent.py logs --file sessions.log
python agent.py check
python agent.py list --dir /path/to/phishlets/
python agent.py detect --phishlet office365.yaml

Core Functions

parse_phishlet(phishlet_path) — Analyze phishlet configuration

Extracts proxy hosts, auth tokens, credential fields. Determines MFA bypass capability.

analyze_session_log(log_file) — Parse Evilginx session captures

Identifies sessions with captured tokens and credentials. Extracts source IPs.

check_evilginx_installation() — Verify Evilginx3 binary

Returns installed status and version string.

list_phishlets(phishlet_dir) — Enumerate available phishlets

Lists .yaml/.yml files in phishlet directory with sizes.

generate_detection_rules(phishlet_path) — Create defensive signatures

Generates DNS monitoring, cookie relay detection, and network anomaly rules. Includes FIDO2/WebAuthn MFA recommendations.

Phishlet Structure

  • proxy_hosts: Domain-to-phishing-subdomain mappings
  • auth_tokens: Session cookies to intercept (enables MFA bypass)
  • credentials: Form fields to capture (username/password)
  • sub_filters: Content replacement rules for convincing proxied pages

Dependencies

pip install pyyaml

System: evilginx (optional, for live testing)