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Unexpected Allow in WDAC Deny Rules from createpolicy #28

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bryan-osisoft opened this issue Dec 8, 2020 · 2 comments
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Unexpected Allow in WDAC Deny Rules from createpolicy #28

bryan-osisoft opened this issue Dec 8, 2020 · 2 comments

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@bryan-osisoft
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@Wh00T
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Wh00T commented Jan 22, 2021 •
edited

Some additional information:
Two Allow rules are part of both Deny policy files:
WDACRules-20210122-0524-Deny-Audit.xml
WDACRules-20210122-0524-Deny-Enforce.xml

<Allow ID="ID_ALLOW_A_1_0" FriendlyName="" FileName="*" />
<Allow ID="ID_ALLOW_A_2_0" FriendlyName="" FileName="*" />

image

But I dont think its a bug as both rules are referenced further down below to block two signing scenarios:

image

@jsuther1974
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This is by design. The policy is "Allow everything except these specific things". Without the Allow * rules, then the policy would implicitly block everything and explicitly block a few things, but allow nothing.

@semtyre semtyre mentioned this issue May 18, 2021
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3 participants
@Wh00T @jsuther1974 @bryan-osisoft