Query: detect Detects when a user disables the Windows Firewall via a Profile to help evade defense. in logs
Matching passage: Sigma rule: Detects when a user disables the Windows Firewall via a Profile to help evade defense.. Logsource: windows / ps_script. Rule: title: Windows Firewall Profile Disabled id: 488b44e7-3781-4a71-888d-c95abfacf44d related: - id: 12f6b752-042d-483e-bf9c-915a6d06ad75 type: similar status: test description: Detects when a user disables the Windows Firewall via a Profile to help evade defense. references: - https://learn.microsoft.com/en-us/powershell/module/netsecurity/set-netfirewallprofile?view=windowsserver2022-ps - https://www.tutorialspoint.com/how-to-get-windows-firewall-profile-settings-using-powershell - https://web.archive.org/web/20230929023836/http://powershellhelp.space/commands/set-netfirewallrule-psv5.php - http://woshub.com/manage-windows-firewall-powershell/ - https://www.elastic.co/guide/en/security/current/windows-firewall-disabled-via-powershell.html author: Austin Songer @austinsonger date: 2021-10-12 modified: 2022-12-30 tags: - attack.defense-impairment - attack.t1686.003 logsource: product: windows category: ps_script definition: 'Requirements: Script Block Logging must be enabled' detection: selection_args: ScriptBlockText|contains|all: - 'Set-NetFirewallProfile ' - ' -Enabled ' - ' False' selection_opt: ScriptBlockText|contains: - ' -All ' - Public - Domain - Private condition: all of selection* falsepositives: - Unknown level: medium
Near-miss passage: Sigma rule: Backdooring domain object to grant the rights associated with DCSync to a regular user or machine account using Powervie. Logsource: windows / security. Rule: title: Powerview Add-DomainObjectAcl DCSync AD Extend Right id: 2c99737c-585d-4431-b61a-c911d86ff32f status: test description: Backdooring domain object to grant the rights associated with DCSync to a regular user or machine account using Powerview\Add-DomainObjectAcl DCSync Extended Right cmdlet, will allow to re-obtain the pwd hashes of any user/computer references: - https://twitter.com/menasec1/status/1111556090137903104 - https://www.specterops.io/assets/resources/an_ace_up_the_sleeve.pdf author: Samir Bousseaden, Roberto Rodriguez @Cyb3rWard0g, oscd.community, Tim Shelton, Maxence Fossat date: 2019-04-03 modified: 2022-08-16 tags: - attack.privilege-escalation - attack.persistence - attack.t1098 logsource: product: windows service: security definition: 'Requirements: The "Audit Directory Service Changes" logging policy must be configured in order to receive events. Audit events are generated only for objects with configured system access control lists (SACLs). Audit events are generated only for objects with configured system access control lists (SACLs) and only when accessed in a manner that matches their SACL settings. This policy covers the following events ids - 5136, 5137, 5138, 5139, 5141. Note that the default policy does not cover User objects. For that a custom AuditRule need to be setup (See https://github.com/OTRF/Set-AuditRule)' detection: selection: EventID: 5136 AttributeLDAPDisplayName: ntSecurityDescriptor AttributeValue|contains: - 1131f6ad-9c07-11d1-f79f-00c04fc2dcd2 - 1131f6aa-9c07-11d1-f79f-00c04fc2dcd2 - 89e95b76-444d-4c62-991a-0facbeda640c filter_main_dns_object_class: ObjectClass: - dnsNode - dnsZoneScope - dnsZone condition: selection and not 1 of filter_main_* falsepositives: - New Domain Controller computer account, check user SIDs within the value attribute of event 5136 and verify if it's a regular user or DC computer account. level: high