Firewall Rule Deleted Via Netsh.EXE

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About the rule

Rule Type

Standard

Rule Description

Detects the removal of a port or application rule in the Windows Firewall configuration using netsh

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "Process started" AND ((PROCESSNAME endswith "\netsh.exe" OR ORIGINALFILENAME = "netsh.exe") AND (COMMANDLINE contains "firewall" AND COMMANDLINE contains "delete ")) AND (PARENTPROCESSNAME notendswith "\Dropbox.exe" OR COMMANDLINE notcontains "name=Dropbox") select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME

Detection

Execution Mode

realtime

Log Sources

Windows

Author

frack113