# 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
5.6 Patch Applied
Description
The “patch_applied” verb takes in a patch string and check the target Windows
installation to see if the patch has been installed.
Usage
os.patch_applied(<patch string>)
Example
os.older_than(“abcd”)
The above example checks to see if target Windows installation has the
“abcd” patch installed.
Return Values
Return
Code
Description
True If the target Windows installation has the provided
patch installed
False If the target Windows installation does not have the
provided patch installed
Invalid If an error occurred while getting patch information
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