# Vault 7: Projects

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

### Grasshopper

# Grasshopper-v1_1-UserGuide

1 December, 2013

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SECRET//ORCON//NOFORN
1.1 Concept of Operations
Grasshopper is a suite of tools used to install a payload to a target computer
running the Microsoft Windows operating system. Grasshopper will build installer
executables that pair payloads with one or more persistence modules, representing
different soft persistence mechanisms. Rules may be written to determine when to
install the payload with what module. The installer will collect data from the target
computer to evaluate each rule.
Grasshopper implements a defensive deployment strategy. The installers follow a
"look before you leap" approach by evaluating the conditions of the target before
installing their payloads.
5
SECRET//ORCON//NOFORN

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