Applies ROT13 cipher to a string

Decodes a base64-encoded string into a UTF-8 string

Decrypts a string that was encrypted with: plaintext -> ROT13 -> base64 -> ROT13

Function to enumerate subdomains for a given target

Function to enumerate subdomains using HTTP client and target domain

Function to check if a subdomain resolves using DNS

Function to scan an individual port for a given socket address

Function to scan an individual port on a given socket address

Function to scan ports for a given subdomain with a specified level of concurrency

Function to check if a domain resolves (has valid DNS records)

Function to scan ports for a given subdomain