DShield Feed

This integration fetches a list that summarizes the top 20 attacking class C (/24) subnets over the last three days from Dshield.

Data Enrichment & Threat Intelligence · DShield Feed · Feed

Details

ID	`DShield Feed`
Provider	Open Source
Category	Data Enrichment & Threat Intelligence
From Version	5.5.0
Docker Image	`demisto/python3:3.12.13.10116658`
Supported Modules	Agentix XSIAM

README

This integration fetches a list that summarizes the top 20 attacking class C (/24) subnets over the last three days from Dshield.

Configure DShield Feed in Cortex

Parameter	Description	Required
Fetch indicators		False
Indicator Reputation	Indicators from this integration instance will be marked with this reputation	False
Source Reliability	Reliability of the source providing the intelligence data	True
Traffic Light Protocol Color	The Traffic Light Protocol (TLP) designation to apply to indicators fetched from the feed	False
		False
		False
Feed Fetch Interval		False
Bypass exclusion list	When selected, the exclusion list is ignored for indicators from this feed. This means that if an indicator from this feed is on the exclusion list, the indicator might still be added to the system.	False
Tags	Supports CSV values.	False
Trust any certificate (not secure)		False
Use system proxy settings		False

Commands

You can execute these commands from the CLI, as part of an automation, or in a playbook.
After you successfully execute a command, a DBot message appears in the War Room with the command details.

dshield-get-indicators

Gets the feed indicators.

Base Command

dshield-get-indicators

Input

Argument Name	Description	Required
limit	The maximum number of results to return. The default value is 50. Default is 50.	Optional

Context Output

There is no context output for this command.

Configuration parameters

feed — Fetch indicators
feedReputation — Indicator Reputation
feedReliability — Source Reliability (required)
tlp_color — Traffic Light Protocol Color
feedExpirationPolicy —
cidr_32_to_ip — Set /32 CIDRs as IP Indicators
feedExpirationInterval —
feedFetchInterval — Feed Fetch Interval
feedBypassExclusionList — Bypass exclusion list
feedTags — Tags
insecure — Trust any certificate (not secure)
proxy — Use system proxy settings

Commands (1)

dshield-get-indicators
Gets the feed indicators.

Source

FeedDShield.py FeedDShield.yml FeedDShield_description.md

Download History Raw

from CommonServerPython import *


def main():
    params = {k: v for k, v in demisto.params().items() if v is not None}

    params["indicator_type"] = FeedIndicatorType.CIDR

    params["url"] = "https://www.dshield.org/block.txt"
    params["ignore_regex"] = "[#S].*"
    params["indicator"] = json.dumps(
        {"regex": r"^(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})\t[\d.]*\t(\d{1,2})", "transform": "\\1/\\2"}
    )

    fields = json.dumps(
        {
            "numberofattacks": {"regex": "^.*\\t.*\\t[0-9]+\\t([0-9]+)", "transform": "\\1"},
            "networkname": {"regex": "^.*\\t.*\\t[0-9]+\\t[0-9]+\\t([^\\t]+)", "transform": "\\1"},
            "geocountry": {"regex": "^.*\\t.*\\t[0-9]+\\t[0-9]+\\t[^\\t]+\\t([A-Z]+)", "transform": "\\1"},
            "registrarabuseemail": {"regex": "^.*\\t.*\\t[0-9]+\\t[0-9]+\\t[^\\t]+\\t[A-Z]+\\t(\\S+)", "transform": "\\1"},
        }
    )
    params["fields"] = fields

    params["custom_fields_mapping"] = {"geocountry": "geocountry", "registrarabuseemail": "registrarabuseemail"}

    # Call the main execution of the HTTP API module.
    feed_main("Dshield Feed", params, "dshield-")


from HTTPFeedApiModule import *  # noqa: E402

if __name__ == "__builtin__" or __name__ == "builtins":
    main()