[{"data":1,"prerenderedAt":295},["ShallowReactive",2],{"doku:en:richtlinien-anhang\u002Fhilfe-d39f92ed7add-56a863a9-875e-4185-98a7-b882c64b5ce5":3},{"seite":4,"start":40,"leiste":41,"bereich":294,"zurueck":294,"weiter":294},{"sprache":5,"rel":6,"zu":7,"id":8,"titel":9,"titelHtml":9,"beschreibung":10,"kennzeile":11,"imMenue":12,"html":13,"ueberschriften":14},"en","richtlinien-anhang\u002Fhilfe-d39f92ed7add-56a863a9-875e-4185-98a7-b882c64b5ce5","\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Fhilfe-d39f92ed7add-56a863a9-875e-4185-98a7-b882c64b5ce5","referenz-hilfe-d39f92ed7add-56a863a9-875e-4185-98a7-b882c64b5ce5","Block abuse of exploited vulnerable signed drivers (Device)","This machine-wide registry value controls the attack surface reduction rule identified by `56a863a9-875e-4185-98a7-b882c64b5ce5`.","since 0.9.8.11",false,"\u003Ch2 id=\"purpose\">Purpose\u003C\u002Fh2>\n\u003Cdetails class=\"doku-klappbox\">\u003Csummary>Show registry keys (1)\u003C\u002Fsummary>\u003Cdiv class=\"doku-klappbox-inhalt\">\n\u003Cul>\n\u003Cli>\u003Ccode>HKLM\\Software\\Policies\\Microsoft\\Windows Defender\\Windows Defender Exploit Guard\\ASR\\Rules\\56a863a9-875e-4185-98a7-b882c64b5ce5\u003C\u002Fcode>\u003C\u002Fli>\n\u003C\u002Ful>\n\u003C\u002Fdiv>\u003C\u002Fdetails>\n\u003Cp>This machine-wide registry value controls the attack surface reduction rule identified by \u003Ccode>56a863a9-875e-4185-98a7-b882c64b5ce5\u003C\u002Fcode>. A DWORD value of \u003Ccode>1\u003C\u002Fcode> places the rule in Block mode.\u003C\u002Fp>\n\u003Cp>The rule stops applications from saving signed drivers that contain known exploitable vulnerabilities to the device. Its scope is the placement of such driver files on the computer, helping prevent attackers from introducing a vulnerable driver for later exploitation.\u003C\u002Fp>\n\u003Ch2 id=\"notes\">Notes\u003C\u002Fh2>\n\u003Ch3 id=\"additional-effects\">Additional effects\u003C\u002Fh3>\n\u003Cp>Windows can display a user notification when the rule blocks an operation. Microsoft Defender identifies blocked activity from this rule with the advanced hunting action type \u003Ccode>AsrVulnerableSignedDriverBlocked\u003C\u002Fcode>. Microsoft documents the rule as not generating a dedicated Defender for Endpoint EDR alert.\u003C\u002Fp>\n\u003Ch3 id=\"security\">Security\u003C\u002Fh3>\n\u003Cp>A local attacker with sufficient privileges can exploit a vulnerable signed driver to obtain access to the operating-system kernel. Kernel access can then be used to disable or bypass security controls and facilitate further compromise.\u003C\u002Fp>\n\u003Cp>By preventing recognized vulnerable drivers from being written to the device, the rule reduces exposure to this “bring your own vulnerable driver” technique. It does not itself grant or revoke general administrative, file-system, or storage privileges.\u003C\u002Fp>\n\u003Ch3 id=\"possible-side-effects\">Possible side effects\u003C\u002Fh3>\n\u003Cp>Legitimate software, installers, or update packages can be affected if they attempt to place a signed driver that Microsoft classifies as vulnerable on the device. The driver installation or software functionality that depends on that driver might consequently fail.\u003C\u002Fp>\n\u003Ch3 id=\"notes-1\">Notes\u003C\u002Fh3>\n\u003Cp>The rule does not prevent a vulnerable driver that is already present on the computer from being loaded. It therefore has a different scope from controls such as the Microsoft vulnerable driver blocklist or App Control for Business, which can prevent vulnerable drivers from loading.\u003C\u002Fp>\n\u003Cp>Microsoft lists no rule-specific dependencies for this rule. The general ASR prerequisites still apply, including Microsoft Defender Antivirus running as the active antivirus application with real-time protection enabled.\u003C\u002Fp>\n\u003Ch3 id=\"microsoft-documentation\">Microsoft documentation\u003C\u002Fh3>\n\u003Cp>\u003Ca href=\"https:\u002F\u002Flearn.microsoft.com\u002Fen-us\u002Fdefender-endpoint\u002Fattack-surface-reduction-rules-reference\">Microsoft Learn: ASR rules reference\u003C\u002Fa>\u003C\u002Fp>\n\u003Cp>\u003Ca href=\"https:\u002F\u002Flearn.microsoft.com\u002Fen-us\u002Fdefender-endpoint\u002Fattack-surface-reduction-rules-overview\">Microsoft Learn: Attack surface reduction rules overview\u003C\u002Fa>\u003C\u002Fp>\n\u003Cp>\u003Ca href=\"https:\u002F\u002Flearn.microsoft.com\u002Fen-us\u002Fazure\u002Fosconfig\u002Fserver2025machineconfigdoc\">Microsoft Learn: Windows Server 2025 machine configuration reference\u003C\u002Fa>\u003C\u002Fp>\n\u003Ch2 id=\"see-also\">See also\u003C\u002Fh2>\n\u003Cul>\n\u003Cli>\u003Ca href=\"\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Frichtlinien-virenschutz-angriffsflaechen#e-d39f92ed7a\">Entry in the reference\u003C\u002Fa>\u003C\u002Fli>\n\u003C\u002Ful>\n",[15,19,22,26,29,32,34,37],{"ebene":16,"id":17,"text":18},2,"purpose","Purpose",{"ebene":16,"id":20,"text":21},"notes","Notes",{"ebene":23,"id":24,"text":25},3,"additional-effects","Additional effects",{"ebene":23,"id":27,"text":28},"security","Security",{"ebene":23,"id":30,"text":31},"possible-side-effects","Possible side effects",{"ebene":23,"id":33,"text":21},"notes-1",{"ebene":23,"id":35,"text":36},"microsoft-documentation","Microsoft documentation",{"ebene":16,"id":38,"text":39},"see-also","See also","\u002Fen\u002Fdocumentation",[42,62,74,82,130,150,166,182,206,222,238],{"titel":43,"pfad":44,"seiten":45},"Getting started","erste-schritte",[46,50,54,58],{"rel":47,"titel":48,"zu":49},"erste-schritte\u002Fwas-ist-setup-foundry","Setup Foundry","\u002Fen\u002Fdocumentation\u002Ferste-schritte\u002Fwas-ist-setup-foundry",{"rel":51,"titel":52,"zu":53},"erste-schritte\u002Finstallation","Installing Setup Foundry","\u002Fen\u002Fdocumentation\u002Ferste-schritte\u002Finstallation",{"rel":55,"titel":56,"zu":57},"erste-schritte\u002Fschnellstart","Quick start","\u002Fen\u002Fdocumentation\u002Ferste-schritte\u002Fschnellstart",{"rel":59,"titel":60,"zu":61},"erste-schritte\u002Fablauf","How it works","\u002Fen\u002Fdocumentation\u002Ferste-schritte\u002Fablauf",{"titel":63,"pfad":64,"seiten":65},"Setup","wizard",[66,70],{"rel":67,"titel":68,"zu":69},"wizard\u002Fuebersicht","The setup wizard","\u002Fen\u002Fdocumentation\u002Fwizard\u002Fuebersicht",{"rel":71,"titel":72,"zu":73},"wizard\u002Fsystemanforderungen","System requirements","\u002Fen\u002Fdocumentation\u002Fwizard\u002Fsystemanforderungen",{"titel":75,"pfad":76,"seiten":77},"Setup in detail","einrichtung-detail",[78],{"rel":79,"titel":80,"zu":81},"einrichtung-detail\u002Fwindows-quelle","Import an ISO","\u002Fen\u002Fdocumentation\u002Feinrichtung-detail\u002Fwindows-quelle",{"titel":83,"pfad":84,"seiten":85},"Foundry","konfiguration",[86,90,94,98,102,106,110,114,118,122,126],{"rel":87,"titel":88,"zu":89},"konfiguration\u002Fprofile","Profiles","\u002Fen\u002Fdocumentation\u002Fkonfiguration\u002Fprofile",{"rel":91,"titel":92,"zu":93},"konfiguration\u002Fquellen","Sources","\u002Fen\u002Fdocumentation\u002Fkonfiguration\u002Fquellen",{"rel":95,"titel":96,"zu":97},"konfiguration\u002Fbenutzer","Configuring users","\u002Fen\u002Fdocumentation\u002Fkonfiguration\u002Fbenutzer",{"rel":99,"titel":100,"zu":101},"konfiguration\u002Fbilder","Background picture and logo","\u002Fen\u002Fdocumentation\u002Fkonfiguration\u002Fbilder",{"rel":103,"titel":104,"zu":105},"konfiguration\u002Fwindows-bereinigen","Cleaning up Windows","\u002Fen\u002Fdocumentation\u002Fkonfiguration\u002Fwindows-bereinigen",{"rel":107,"titel":108,"zu":109},"konfiguration\u002Fapps-entfernen","Removing apps","\u002Fen\u002Fdocumentation\u002Fkonfiguration\u002Fapps-entfernen",{"rel":111,"titel":112,"zu":113},"konfiguration\u002Fauswaehlen","Selecting applications","\u002Fen\u002Fdocumentation\u002Fkonfiguration\u002Fauswaehlen",{"rel":115,"titel":116,"zu":117},"konfiguration\u002Frichtlinien","Policies","\u002Fen\u002Fdocumentation\u002Fkonfiguration\u002Frichtlinien",{"rel":119,"titel":120,"zu":121},"konfiguration\u002Fpc-informationen","PC information","\u002Fen\u002Fdocumentation\u002Fkonfiguration\u002Fpc-informationen",{"rel":123,"titel":124,"zu":125},"konfiguration\u002Fnamensschema","Naming scheme","\u002Fen\u002Fdocumentation\u002Fkonfiguration\u002Fnamensschema",{"rel":127,"titel":128,"zu":129},"konfiguration\u002Finstall-assist-gestalten","Design the Install Assist","\u002Fen\u002Fdocumentation\u002Fkonfiguration\u002Finstall-assist-gestalten",{"titel":131,"pfad":132,"seiten":133},"Installation","installationsmedien",[134,138,142,146],{"rel":135,"titel":136,"zu":137},"installationsmedien\u002Fusb-stick","Create a USB drive","\u002Fen\u002Fdocumentation\u002Finstallationsmedien\u002Fusb-stick",{"rel":139,"titel":140,"zu":141},"installationsmedien\u002Fiso-erstellen","Creating an ISO","\u002Fen\u002Fdocumentation\u002Finstallationsmedien\u002Fiso-erstellen",{"rel":143,"titel":144,"zu":145},"installationsmedien\u002Fvhd-erstellen","Create VHD","\u002Fen\u002Fdocumentation\u002Finstallationsmedien\u002Fvhd-erstellen",{"rel":147,"titel":148,"zu":149},"installationsmedien\u002Finstall-assist","Install Assist on the target computer","\u002Fen\u002Fdocumentation\u002Finstallationsmedien\u002Finstall-assist",{"titel":151,"pfad":152,"seiten":153},"Machines","pruefmaschine",[154,158,162],{"rel":155,"titel":156,"zu":157},"pruefmaschine\u002Fhyper-v-berechtigungen","Hyper-V permissions","\u002Fen\u002Fdocumentation\u002Fpruefmaschine\u002Fhyper-v-berechtigungen",{"rel":159,"titel":160,"zu":161},"pruefmaschine\u002Fverwenden","Use the test machine","\u002Fen\u002Fdocumentation\u002Fpruefmaschine\u002Fverwenden",{"rel":163,"titel":164,"zu":165},"pruefmaschine\u002Ferstellen","Create a machine","\u002Fen\u002Fdocumentation\u002Fpruefmaschine\u002Ferstellen",{"titel":167,"pfad":168,"seiten":169},"Editions","editionen",[170,174,178],{"rel":171,"titel":172,"zu":173},"editionen\u002Fvergleich","Editions at a glance","\u002Fen\u002Fdocumentation\u002Feditionen\u002Fvergleich",{"rel":175,"titel":176,"zu":177},"editionen\u002Flizenz-aktivieren","Activate a license","\u002Fen\u002Fdocumentation\u002Feditionen\u002Flizenz-aktivieren",{"rel":179,"titel":180,"zu":181},"editionen\u002Faktivierungen-zuruecksetzen","Reset activations","\u002Fen\u002Fdocumentation\u002Feditionen\u002Faktivierungen-zuruecksetzen",{"titel":183,"pfad":184,"seiten":185},"Troubleshooting","fehler",[186,190,194,198,202],{"rel":187,"titel":188,"zu":189},"fehler\u002Fusb","USB drive problems","\u002Fen\u002Fdocumentation\u002Ffehler\u002Fusb",{"rel":191,"titel":192,"zu":193},"fehler\u002Fiso","ISO import problems","\u002Fen\u002Fdocumentation\u002Ffehler\u002Fiso",{"rel":195,"titel":196,"zu":197},"fehler\u002Fhyperv","Hyper-V problems","\u002Fen\u002Fdocumentation\u002Ffehler\u002Fhyperv",{"rel":199,"titel":200,"zu":201},"fehler\u002Finstall-assist","When Setup fails on the target computer","\u002Fen\u002Fdocumentation\u002Ffehler\u002Finstall-assist",{"rel":203,"titel":204,"zu":205},"fehler\u002Fantwortdatei","The answer file","\u002Fen\u002Fdocumentation\u002Ffehler\u002Fantwortdatei",{"titel":207,"pfad":208,"seiten":209},"Reference","referenz",[210,214,218],{"rel":211,"titel":212,"zu":213},"referenz\u002Fbekannte-probleme","Known issues","\u002Fen\u002Fdocumentation\u002Freferenz\u002Fbekannte-probleme",{"rel":215,"titel":216,"zu":217},"referenz\u002Fdiagnose-und-protokolle","Diagnostics and logs","\u002Fen\u002Fdocumentation\u002Freferenz\u002Fdiagnose-und-protokolle",{"rel":219,"titel":220,"zu":221},"referenz\u002Fglossar","Glossary","\u002Fen\u002Fdocumentation\u002Freferenz\u002Fglossar",{"titel":223,"pfad":224,"seiten":225},"Windows appendix","windows-anhang",[226,230,234],{"rel":227,"titel":228,"zu":229},"windows-anhang\u002Fdienste","Services","\u002Fen\u002Fdocumentation\u002Fwindows-anhang\u002Fdienste",{"rel":231,"titel":232,"zu":233},"windows-anhang\u002Faufgaben","Scheduled tasks","\u002Fen\u002Fdocumentation\u002Fwindows-anhang\u002Faufgaben",{"rel":235,"titel":236,"zu":237},"windows-anhang\u002Fapps","App packages","\u002Fen\u002Fdocumentation\u002Fwindows-anhang\u002Fapps",{"titel":239,"pfad":240,"seiten":241},"Policy appendix","richtlinien-anhang",[242,246,250,254,258,262,266,270,274,278,282,286,290],{"rel":243,"titel":244,"zu":245},"richtlinien-anhang\u002Frichtlinien","Policy reference","\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Frichtlinien",{"rel":247,"titel":248,"zu":249},"richtlinien-anhang\u002Frichtlinien-office-haertung","Office hardening","\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Frichtlinien-office-haertung",{"rel":251,"titel":252,"zu":253},"richtlinien-anhang\u002Frichtlinien-edge-internet-explorer","Edge and Internet Explorer","\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Frichtlinien-edge-internet-explorer",{"rel":255,"titel":256,"zu":257},"richtlinien-anhang\u002Frichtlinien-virenschutz-angriffsflaechen","Virus protection and attack surface","\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Frichtlinien-virenschutz-angriffsflaechen",{"rel":259,"titel":260,"zu":261},"richtlinien-anhang\u002Frichtlinien-netzwerk-freigaben","Network and file sharing","\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Frichtlinien-netzwerk-freigaben",{"rel":263,"titel":264,"zu":265},"richtlinien-anhang\u002Frichtlinien-datenschutz-telemetrie","Privacy and telemetry","\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Frichtlinien-datenschutz-telemetrie",{"rel":267,"titel":268,"zu":269},"richtlinien-anhang\u002Frichtlinien-protokollierung-ueberwachung","Logging and auditing","\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Frichtlinien-protokollierung-ueberwachung",{"rel":271,"titel":272,"zu":273},"richtlinien-anhang\u002Frichtlinien-anmeldung-konten","Sign-in and accounts","\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Frichtlinien-anmeldung-konten",{"rel":275,"titel":276,"zu":277},"richtlinien-anhang\u002Frichtlinien-geraete-wechselmedien","Devices and removable media","\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Frichtlinien-geraete-wechselmedien",{"rel":279,"titel":280,"zu":281},"richtlinien-anhang\u002Frichtlinien-kernschutz","Kernel protection","\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Frichtlinien-kernschutz",{"rel":283,"titel":284,"zu":285},"richtlinien-anhang\u002Frichtlinien-laufwerksverschluesselung","Drive encryption","\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Frichtlinien-laufwerksverschluesselung",{"rel":287,"titel":288,"zu":289},"richtlinien-anhang\u002Frichtlinien-windows-update","Windows Update","\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Frichtlinien-windows-update",{"rel":291,"titel":292,"zu":293},"richtlinien-anhang\u002Frichtlinien-grundeinstellungen","Defaults and privacy settings","\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Frichtlinien-grundeinstellungen",null,1793199127055]