splunk-malware-filter/bin/getbotnetfilter.py

"""
Get lookup csv from botnet-filter
Usage: "| getbotnetfilter | outputlookup override_if_empty=false botnet-filter-splunk.csv"
"""

import sys
from os import path
from time import time as unix_time

sys.path.insert(0, path.join(path.dirname(__file__)))
from utils import Utility

sys.path.insert(0, path.join(path.dirname(__file__), "..", "lib"))
from splunklib.searchcommands import Configuration, GeneratingCommand, Option, dispatch

DOWNLOAD_URLS = (
    "https://malware-filter.gitlab.io/malware-filter/botnet-filter-splunk.csv",
    "https://curbengh.github.io/malware-filter/botnet-filter-splunk.csv",
    "https://curbengh.github.io/botnet-filter/botnet-filter-splunk.csv",
    "https://malware-filter.gitlab.io/botnet-filter/botnet-filter-splunk.csv",
    "https://malware-filter.pages.dev/botnet-filter-splunk.csv",
    "https://botnet-filter.pages.dev/botnet-filter-splunk.csv",
)


@Configuration()
class GetBotnetFilter(Utility, GeneratingCommand):
    """Defines a search command that generates event records"""

    custom_message = Option(name="message")

    def generate(self):
        dl_csv = self.download(DOWNLOAD_URLS)
        for row in self.csv_reader(dl_csv):
            if isinstance(self.custom_message, str) and len(self.custom_message) >= 1:
                row["custom_message"] = self.custom_message

            yield self.gen_record(_time=unix_time(), **row)


dispatch(GetBotnetFilter, sys.argv, sys.stdin, sys.stdout, __name__)