theHarvester

theHarvester is an OSINT tool designed for reconnaissance during red team assessments and penetration tests. It gathers names, emails, IPs, subdomains, and URLs from various public resources.

Key features:

• Passive Information Gathering: Utilizes search engines, certificate transparency logs, and threat intelligence platforms.
• Active Information Gathering: Includes DNS brute force and screenshot capabilities.
• API Key Support: Integrates with various services via API keys for enhanced data collection.
• Wide Range of Modules: Supports a multitude of passive modules including Anubis, Baidu, Bing, Censys, CRT.sh, DuckDuckGo, GitHub, Hunter.io, IntelX, Shodan, VirusTotal, and more.
• Customizable: Allows users to specify search parameters and modules.

Use cases:

• Identifying potential attack surfaces.
• Gathering intelligence on target organizations.
• Discovering exposed assets and vulnerabilities.
• Supporting red team and penetration testing activities.