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Volatility is an open-source memory forensics framework for incident response and malware analysis. It is written in Python and supports Microsoft Windows, Mac OS X, and Linux (as of version 2.5 [1]). Volatility was created by Aaron Walters, drawing on academic research he did in memory forensics. [2] [3]
In general, their primary usage is to extract text from the memory dump. [2] Many operating systems provide features to kernel developers and end-users to actually create a snapshot of the physical memory for either debugging (e.g. core dump or Blue Screen of Death) purposes or experience enhancement (e.g. hibernation).
A snapshot dump (or snap dump) is a memory dump requested by the computer operator or by the running program, after which the program is able to continue. Core dumps are often used to assist in diagnosing and debugging errors in computer programs.
In the event of a kernel crash, kdump preserves system consistency by booting another Linux kernel, which is known as the dump-capture kernel, and using it to export and save a memory dump. As a result, the system boots into a clean and reliable environment instead of relying on an already crashed kernel that may cause various issues, such as ...
VMI tools may be implemented within the virtual machine monitor [6] [7] or as a separate programs [8] that capture information (e.g., contents of the memory) from the virtual machine monitor. Then this data has to be interpreted to understand the processes in the system. One of the popular tools for such interpretation is Volatility framework. [9]
VMware VMFS (Virtual Machine File System) is VMware, Inc.'s clustered file system used by the company's flagship server virtualization suite, vSphere. It was developed to store virtual machine disk images, including snapshots. Multiple servers can read/write the same filesystem simultaneously while individual virtual machine files are locked.
With the VM suspended, a minimal subset of the execution state of the VM (CPU state, registers and, optionally, non-pageable memory) is transferred to the target. The VM is then resumed at the target. Concurrently, the source actively pushes the remaining memory pages of the VM to the target - an activity known as pre-paging.
IPCS (Interactive Problem Control System) is a z/OS component which can analyze unformatted application dumps dumps (SYSMDUMP) or snapshot dumps, or stand-alone system dumps (SADMP). IPCS can inspect any storage address in the dump and format system control blocks, providing labels for fields. It can be run interactively or as a batch job. [2]