An analyst will capture traffic from an air-gapped network that does not use DNS. The analyst is looking for unencrypted Syslog data being transmitted. Which of the following is most efficient for this purpose?
When using tcpdump, a --n switch will tell the tool to not resolve hostnames; as this network makes no use of DNS this is efficient. The --vv switch increases the tools output verbosity. The --s0 increases the snaplength to ''all'' rather than the default of 96 bytes. The --nnvvX would make sense here except that the port in the filter is 6514 which is the default port for encrypted Syslog transmissions.
To detect worms and viruses buried deep within a network packet payload, Gigabytes worth of traffic content entering and exiting a network must be checked with which of the following technologies?
Which of the following would be used in order to restrict software form performing unauthorized operations, such as invalid access to memory or invalid calls to system access?
Of the following pieces of digital evidence, which would be collected FIRST from a live system involved in an incident?
Best practices suggest that live response should follow the order of volatility, which means that you want to collect data which is changing the most rapidly. The order of volatility is:
Memory
Swap or page file
Network status and current / recent network connections
Running processes
Open files
Which type of media should the IR team be handling as they seek to understand the root cause of an incident?
By imaging the media with tools such as dd or Ghost and analyzing the copy, you preserve the original media for later analysis so that the results can be recreated by another competent examiner if necessary.
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