# Vault 7: Projects

This publication series is about specific projects related to the Vault 7 main publication.

### Grasshopper

# Grasshopper-v1_1-AdminGuide

1 December, 2013

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SECRET//ORCON//NOFORN
7.1 Exists
Description
The “exists” verb takes in one parameter and checks to see if the provided
keyexists on the target.
Usage
reg_value(<hive name>, <key path>, <value name>).exists
Example
reg_value(HKLM, “test”, “test_value”).exists
The above example checks to see if the “test_value” value exists within the
provided key.
Return Values
Return
Code
Description
True If the value exists
False If the value doesn’t exist
Invalid If an error occurred while accessing the value
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