Suspicious Process Patterns NTDS.DIT Exfil
Last updated on:
In this page
About the rule
Rule Type
Standard
Rule Description
Detects suspicious process patterns used in NTDS.DIT exfiltration
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Process started" AND ((PROCESSNAME endswith "\NTDSDump.exe,\NTDSDumpEx.exe" OR (COMMANDLINE contains "ntds.dit" AND COMMANDLINE contains "system.hiv") OR COMMANDLINE contains "NTDSgrab.ps1") OR (COMMANDLINE contains "ac i ntds" AND COMMANDLINE contains "create full") OR (COMMANDLINE contains "/c copy " AND COMMANDLINE contains "\windows\ntds\ntds.dit") OR (COMMANDLINE contains "activate instance ntds" AND COMMANDLINE contains "create full") OR (COMMANDLINE contains "powershell" AND COMMANDLINE contains "ntds.dit")) OR (COMMANDLINE contains "ntds.dit" AND (PARENTPROCESSNAME contains "\apache,\tomcat,\AppData\,\Temp\,\Public\,\PerfLogs" OR PROCESSNAME contains "\apache,\tomcat,\AppData\,\Temp\,\Public\,\PerfLogs")) select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME
Detection
Execution Mode
realtime
Log Sources
Active Directory
Author
Florian Roth (Nextron Systems)
