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Spawn agent using Event Viewer UAC Bypass

Tactic: Privilege-escalation
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During startup, eventvwr.exe checks the registry value HKCU\Software\Classes\mscfile\shell\open\command for the location of mmc.exe, which is used to open the eventvwr.msc saved console file. If the location of another binary or script is added to this registry value, it will be executed as a high-integrity process without a UAC prompt being displayed to the user.
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Authors

khyberspache

jacob gajek

matt nelson @enigma0x3

matt graeber @mattifestation

Tactic

Privilege-escalation

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