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Protecting Privileged Domain Accounts during Live Response

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Fixing Reflective Attack:<br />

IR workstations need MS08-­‐068 applied<br />

Fixing Relay Attack:<br />

<br />

NTLMv2:<br />

EPA embeds the Service Principal Name of the target service with<br />

<br />

Extended Protection works because only domain controllers and<br />

machines where the user directly enters the password can<br />

compute/validate the Integrity Hash for the security blobs.<br />

However, to be effective, ALL machines on the network must<br />

enforce its use, which is no small task in most environments.<br />

41

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