Suspicious Usage Of Active Directory Diagnostic Tool (ntdsutil.exe)
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About the rule
Rule Type
Standard
Rule Description
Detects execution of ntdsutil.exe to perform different actions such as restoring snapshots...etc.
Severity
Trouble
Rule Requirement
Criteria
Action1:
actionname = "Process started" AND (PROCESSNAME endswith "\ntdsutil.exe" OR ORIGINALFILENAME = "ntdsutil.exe") AND ((COMMANDLINE contains "snapshot" AND COMMANDLINE contains "mount ") OR (COMMANDLINE contains "ac" AND COMMANDLINE contains " i" AND COMMANDLINE contains " ntds"))
select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME,Action1.DOMAIN,Action1.ORIGINALFILENAME,Action1.PARENTPROCESSID,Action1.PROCESSID,Action1.PRODUCT_NAME,Action1.SECURITYID
Detection
Execution Mode
realtime
Log Sources
Active Directory
Author
Nasreddine Bencherchali (Nextron Systems)
