mirror of
https://github.com/mandiant/capa-rules
synced 2026-06-08 15:41:20 +00:00
Yacine Elhamer
21 lines
688 B
YAML
21 lines
688 B
YAML
rule:
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meta:
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name: set UEFI variable
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namespace: host-interaction/bootloader
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authors:
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- jakub.jozwiak@mandiant.com
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scopes:
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static: function
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dynamic: process
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att&ck:
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- Persistence::Pre-OS Boot::System Firmware [T1542.001]
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references:
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- https://learn.microsoft.com/en-us/windows/win32/sysinfo/access-uefi-firmware-variables-from-a-universal-windows-app
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examples:
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- b761e060c7114448d6a5fe276d4ca882c4bd702c12c4d73f6ad79b8dfac33448:0x1400013DA
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features:
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- or:
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- api: ntoskrn.ExSetFirmwareEnvironmentVariable
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- api: kernel32.SetFirmwareEnvironmentVariable
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- api: kernel32.SetFirmwareEnvironmentVariableEx
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