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23 lines
776 B
Plaintext
23 lines
776 B
Plaintext
---
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functions:
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file-write:
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- binary: false
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code: |-
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dmidecode --no-sysfs -d x.dmi --dump-bin /path/to/output-file
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comment: |-
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It can be used to write files using a specially crafted SMBIOS file that can be read as a memory device by dmidecode.
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Generate the file with [dmiwrite](https://github.com/adamreiser/dmiwrite) and upload it to the target.
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- `--dump-bin`, will cause dmidecode to write the payload to the destination specified, prepended with 32 null bytes.
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- `--no-sysfs`, if the target system is using an older version of dmidecode, you may need to omit the option.
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```
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make dmiwrite
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echo DATA >/path/to/temp-file
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./dmiwrite /path/to/temp-file x.dmi
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```
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contexts:
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unprivileged:
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...
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