EventLog Query Requests By Builtin Utilities
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About the rule
Rule Type
Standard
Rule Description
Detect attempts to query the contents of the event log using command line utilities. Attackers use this technique in order to look for sensitive information in the logs such as passwords, usernames, IPs, etc.
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Process started" AND (COMMANDLINE contains "Select" AND COMMANDLINE contains "Win32_NTLogEvent") OR ((PROCESSNAME endswith "\wevtutil.exe" OR ORIGINALFILENAME = "wevtutil.exe") AND COMMANDLINE contains " qe , query-events ") OR ((PROCESSNAME endswith "\wmic.exe" OR ORIGINALFILENAME = "wmic.exe") AND COMMANDLINE contains " ntevent") OR COMMANDLINE contains "Get-WinEvent ,get-eventlog " select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME
Detection
Execution Mode
realtime
Log Sources
Windows
Author
Ali Alwashali, Nasreddine Bencherchali (Nextron Systems)
