Disable Microsoft Defender Firewall via Registry

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About the rule

Rule Type

Standard

Rule Description

Adversaries may disable or modify system firewalls in order to bypass controls limiting network usage

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "Registry value modified" AND (OBJECTNAME contains "\Services\SharedAccess\Parameters\FirewallPolicy" OR (OBJECTNAME endswith "\Services\SharedAccess\Parameters\FirewallPolicy" AND isExist(OBJECTVALUENAME))) AND OBJECTNAME endswith "\EnableFirewall" AND (INFORMATION = "DWORD (0x00000000)" OR (CHANGES = 0 AND NEWTYPE = "REG_DWORD")) select Action1.HOSTNAME,Action1.MESSAGE,Action1.OBJECTNAME,Action1.PROCESSNAME,Action1.PREVVAL,Action1.CHANGES

Detection

Execution Mode

realtime

Log Sources

Windows

Author

frack113