Modify Group Policy Settings
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About the rule
Rule Type
Standard
Rule Description
Detect malicious GPO modifications can be used to implement many other malicious behaviors.
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Process started" AND (PROCESSNAME endswith "\reg.exe" OR ORIGINALFILENAME = "reg.exe") AND COMMANDLINE contains "\SOFTWARE\Policies\Microsoft\Windows\System" AND COMMANDLINE contains "GroupPolicyRefreshTimeDC,GroupPolicyRefreshTimeOffsetDC,GroupPolicyRefreshTime,GroupPolicyRefreshTimeOffset,EnableSmartScreen,ShellSmartScreenLevel" 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
frack113
