create stix 2.1 file object in python

To create a STIX 2.1 File object in Python, you can use the stix2 library. Here is an example code snippet for creating a File object:

main.py
import stix2

file_obj = stix2.v21.File(
    name="example.txt",
    path="/home/user/example.txt",
    created="2020-01-01T00:00:00Z",
    modified="2021-01-01T00:00:00Z",
    size=12345,
    hashes={
        "MD5": "d41d8cd98f00b204e9800998ecf8427e",
        "SHA-256": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
    }
)

print(file_obj)

364 chars
16 lines

In this example, we are creating a File object with the name "example.txt", stored at the path "/home/user/example.txt". We provide its created and modified timestamps, size, and hash values.

Note that STIX 2.1 has different objects such as network-traffic, session, user-account, etc., depending on the type of object you want to create, you can modify the code accordingly.

You may also use the stix2 library to validate the file object you have created. For example, you can use:

main.py
import stix2

file_obj = stix2.v21.File(
    name="example.txt",
    path="/home/user/example.txt",
    created="2020-01-01T00:00:00Z",
    modified="2021-01-01T00:00:00Z",
    size=12345,
    hashes={
        "MD5": "d41d8cd98f00b204e9800998ecf8427e",
        "SHA-256": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
    }
)

stix2.validation.validate_instance(file_obj)

393 chars
16 lines

This will ensure that the File object is valid according to the STIX 2.1 specification.

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related categories

stix2
stix
cybersecurity

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