Ryuk Ransomware Detection (YARA)

This YARA rule detects the Ryuk ransomware by identifying specific byte patterns related to its file encryption routines, file discovery mechanisms, and remote connection capabilities. The rule looks for distinct sequences of bytes ($encrypt_files_p*, $find_files_p*, $remote_connection) that are characteristic of Ryuk's malicious operations. The rule requires all parts of the encryption and file finding patterns, as well as the remote connection pattern, to be present for a match.