)ComprehensiveDetailedStepbyStepExplanation:InWindowssecurityeventlogs, EventCode4688signifiesaprocesscreationevent.TheSplunkquery'index=windowsLogName=SecurityEventCode
=4688NOT(AccountName=)is used to fetch logs related to process creation activities. This query filters the logs to only show events where a new process has been created, which is indicated by EventCode 4688. The NOT (Account_Name=$)` part of the query excludes any events where the account name ends with a dollar sign, which typically represents a machine or service account.
References: The EC-Council's Certified SOC Analyst (CSA) program provides detailed knowledge on security operation center (SOC) operations, including log management and correlation, SIEM deployment, advanced incident detection, and incident response. The CSA course materials and study guides cover the use of Splunk for monitoring and analyzing security events, which would include the creation of such queries for process creation monitoring1