Security Identifier - Machine SIDs

Machine SIDs

The machine SID is stored in the SECURITY registry hive located at SECURITY\SAM\Domains\Account, this key has two values F and V. The V value is a binary value that has the computer SID embedded within it at the end of its data (last 96 bits).

  • "NewSID ensures that this SID is in a standard NT 4.0 format (3 32-bit subauthorities preceded by three 32-bit authority fields). Next, NewSID generates a new random SID for the computer. NewSID's generation takes great pains to create a truly random 96-bit value, which replaces the 96-bits of the 3 subauthority values that make up a computer SID."
    • From NewSID readme.

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