RemoveNullBytes

Removes null bytes from string.

Details

ID	`RemoveNullBytes`
Language	python
From Version	6.10.0
Docker Image	`demisto/python3:3.12.13.10404775`
Tags	general transformer

README

Removes null bytes from string.

Script Data

Name	Description
Script Type	python3
Tags	general, transformer

Inputs

Argument Name	Description
value	The string value to remove null bytes

Outputs

There are no outputs for this script.

Source

RemoveNullBytes.py RemoveNullBytes_test.py RemoveNullBytes.yml

Download History Raw

import pytest
import base64
from RemoveNullBytes import removenullbytes

"""
First base64 encoded data when decoded contains null bytes
"""


@pytest.mark.parametrize(
    "value, expected_result",
    [
        ("cABvAHcAZQByAHMAaABlAGwAbAAuAGUAeABlAA==", "powershell.exe"),
        ("Y21kLmV4ZQ==", "cmd.exe"),
    ],
)
def test_removenullbytes(value, expected_result):
    base64decoded = base64.b64decode(value).decode("latin1")
    value = removenullbytes(base64decoded)
    assert value == expected_result