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File carving is the process of trying to recover files without this metadata. This is done by analyzing the raw data and identifying what it is (text, executable, png, mp3, etc.). This can be done in different ways, but the simplest is to look for the file signature or "magic numbers" that mark the beginning and/or end of a particular file type ...
PhotoRec is a free and open-source utility software for data recovery with text-based user interface using data carving techniques, designed to recover lost files from various digital camera memory, hard disk and CD-ROM. It can recover the files with more than 480 file extensions (about 300 file families).
Log carving occurs when a recovery program uses information left over in either file system structures or the log to recover a deleted photo. For example, occasionally NTFS will store in the logs the exact location of where the file was located prior to its deletion. A program using log carving will be able to then recover the photo.
EnCase is the shared technology within a suite of digital investigations products by Guidance Software (acquired by OpenText in 2017 [2]). The software comes in several products designed for forensic, cyber security, security analytics, and e-discovery use. EnCase is traditionally used in forensics to recover evidence from seized hard drives.
Foremost is a forensic data recovery program for Linux that recovers files using their headers, footers, and data structures through a process known as file carving. [3] Although written for law enforcement use, the program and its source code are freely available and can be used as a general data recovery tool. [2]
A digital forensics platform and GUI to The Sleuth Kit: Belkasoft Evidence Center X: Windows proprietary 2.6 Multi-purpose tool for computer, mobile, memory and cloud forensics Bulk_Extractor: Windows, MacOS and Linux: MIT: 2.1.1: Extracts email addresses, URLs, and a variety of binary objects from unstructured data using recursive re-analysis ...
Forensic profiling is generally conducted using datamining technology, as a means by which relevant patterns are discovered, and profiles are generated from large quantities of data. [1] A distinction of forms of profiles that are used in a given context is necessary before evaluating applications of data mining techniques for forensic profiling.
Optimistic decompression is a digital forensics technique in which each byte of an input buffer is examined for the possibility of compressed data. If data is found that might be compressed, a decompression algorithm is invoked to perform a trial decompression. If the decompressor does not produce an error, the decompressed data is processed.