New Firewall Rule Added In Windows Firewall Exception List Via WmiPrvSE.EXE
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About the rule
Rule Type
Standard
Rule Description
Detects the addition of a new "Allow" firewall rule by the WMI process (WmiPrvSE.EXE). This can occur if an attacker leverages PowerShell cmdlets such as "New-NetFirewallRule", or directly uses WMI CIM classes such as "MSFT_NetFirewallRule".
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Advanced Security - Firewall Rule Added" AND ACTION = 3 AND PROCESSNAME endswith ":\Windows\System32\wbem\WmiPrvSE.exe" select Action1.HOSTNAME,Action1.MESSAGE,Action1.USERNAME,Action1.PROCESSNAME,Action1.RULENAME,Action1.ACTION,Action1.OBJECTNAME,Action1.OBJECTTYPE
Detection
Execution Mode
realtime
Log Sources
Windows
Author
frack113, Nasreddine Bencherchali (Nextron Systems)
