BASH scripting is a valuable skill for cybersecurity professionals to automate tasks and create custom solutions.Creating a modular framework for passive and active reconnaissance in cybersecurity is essential.Using BASH, DNS reconnaissance can be effectively conducted by probing for A, MX, and NS records.Checking for DNS zone transfer security vulnerabilities is crucial to prevent unauthorized access to sensitive information.Whatweb can be used for website technology discovery, providing insights into the technologies used by the target.Integrating Censys into BASH scripts enhances active reconnaissance by searching for internet-connected devices.By extracting IP addresses from Censys data and running nmap scans, additional reconnaissance data can be gathered.Continuously evolving and customizing reconnaissance scripts is crucial for enhancing offensive capabilities in cybersecurity.Adapting to the dynamic nature of the digital battlefield is essential for cybersecurity professionals.