QuestionQ38

Logs and Network Forensics

Sophia, a forensic analyst, is examining event log files on a compromised server. During her investigation, she finds an unusual entry in the event log header. The entry’s ELF_LOGFILE_HEADER value shows that records have been written to the log, but the event log file was not properly closed. Based on this information, which ELF_LOGFILE_HEADER value would Sophia identify?

  • A ELF_LOGFILE_HEADER_DIRTY0x0001
  • B ELF_LOGFILE_ARCHIVE_SET0x0008
  • C ELF_LOGFILE_HEADER_WRAP0x0002
  • D ELF_LOGFILE_LOGFULL_WRITTEN0x0004
Explanation

ELF_LOGFILE_HEADER_DIRTY with value 0x0001 is set when records have been written to an event log but the file has not been properly closed. The event-logging service clears this flag during a normal shutdown.

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