File Carving or Data Carving
What does the term "data carving" or "file carving" really mean? What are the implications of carving with a large distance (in bytes) between the header and footer? Is it feasible for a malware author to create their own file format, hide the file on a system, and use carving to extract it? File carving is the process of reassembling computer files from fragments in the absence of file-system metadata. File carving is a well-known computer forensics term used to describe the identification and extraction of file types from unallocated clusters using file signatures. A file signature, also commonly referred to as a magic number, is a constant numerical or text value used to identify a file format ("Data Carving", 2018) . Since File carving is usually done by examining the header (the first few bytes) and footer (the last few bytes) of a file, larger distance between the footer and header will affect the amount of data recovered during the process...