Root Certificate Installed From Susp Locations
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About the rule
Rule Type
Standard
Rule Description
Adversaries may install a root certificate on a compromised system to avoid warnings when connecting to adversary controlled web servers.
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Process started" AND (COMMANDLINE contains "Import-Certificate" AND COMMANDLINE contains " -FilePath " AND COMMANDLINE contains "Cert:\LocalMachine\Root") AND COMMANDLINE contains "\AppData\Local\Temp\,:\Windows\TEMP\,\Desktop\,\Downloads\,\Perflogs\,:\Users\Public" select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME
Detection
Execution Mode
realtime
Log Sources
Windows
Author
Nasreddine Bencherchali (Nextron Systems)
