Traditional digital forensics is performed through static analysis of data preserved on permanent storage media. Not all data needed to understand the state of examined system exists in nonvolatile memory. Live analysis uses running system to obtain volatile data for deeper understanding of events going on. Sampling running system might irreversibly change its state making collected evidence invalid. This paper proposes combination of static and live analysis. Virtualization is used to bring static data to life. Volatile memory dump is used to enable offline analysis of live data. Using data from memory dump, virtual machine created from static data can be adjusted to provide better picture of the live system at the time when the dump was made. Investigator can have interactive session with virtual machine without violating evidence integrity. Tests with sample system confirm viability of proposed approach.
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