Public DNS Feed

Details

ID	`Public DNS Feed`
Provider	Open Source
Category	Data Enrichment & Threat Intelligence
From Version	5.5.0
Docker Image	`demisto/netutils:1.0.0.10187688`
Supported Modules	Agentix XSIAM

README

A feed of known benign IPs of public DNS servers.

Configure Public DNS Feed in Cortex

Parameter	Description	Required
url	Public DNS feed URL	True
feed	Fetch indicators	False
feedReputation	Indicator Reputation	False
feedReliability	Source Reliability	True
feedExpirationPolicy		False
feedFetchInterval	Feed Fetch Interval	False
feedExpirationInterval		False
feedTags	Tags	False
feedBypassExclusionList	Bypass exclusion list	False
tlp_color	Traffic Light Protocol Color	False
Enrichment Excluded	Select this option to exclude the fetched indicators from the enrichment process.	False
insecure	Trust any certificate (not secure)	False
proxy	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.

public-dns-get-indicators

Gets indicators from the feed.

Base Command

public-dns-get-indicators

Input

Argument Name	Description	Required
limit	The maximum number of results to return. The default value is 10. Default is 10.	Optional

Context Output

There is no context output for this command.

Command Example

!public-dns-get-indicators limit=2

Context Example

{
    "Indicator": [
        {
            "rawJSON": {
                "type": "IPv6",
                "value": "2607:5300:203:1797::53"
            },
            "score": 0,
            "type": "IPv6",
            "value": "2607:5300:203:1797::53"
        },
        {
            "rawJSON": {
                "type": "Ip",
                "value": "199.255.137.34"
            },
            "score": 0,
            "type": "Ip",
            "value": "199.255.137.34"
        }
    ]
}

Human Readable Output

Public DNS Feed

value type

2607:5300:203:1797::53 IPv6

199.255.137.34 Ip

value	type
2607:5300:203:1797::53	IPv6
199.255.137.34	Ip

Configuration parameters

url — Public DNS feed URL (required)
feed — Fetch indicators
feedReputation — Indicator Reputation
feedReliability — Source Reliability (required)
feedExpirationPolicy —
feedFetchInterval — Feed Fetch Interval
feedExpirationInterval —
feedTags — Tags
feedBypassExclusionList — Bypass exclusion list
tlp_color — Traffic Light Protocol Color
enrichmentExcluded — Enrichment Excluded
insecure — Trust any certificate (not secure)
proxy — Use system proxy settings

Commands (1)

public-dns-get-indicators
Gets indicators from the feed.

Source

FeedPublicDNS.py FeedPublicDNS_test.py FeedPublicDNS.yml

Download History Raw

category: Data Enrichment & Threat Intelligence
provider: Open Source
commonfields:
  id: Public DNS Feed
  version: -1
configuration:
- defaultvalue: https://public-dns.info/nameservers-all.txt
  display: Public DNS feed URL
  name: url
  required: true
  type: 1
  section: Connect
- defaultvalue: 'true'
  display: Fetch indicators
  name: feed
  type: 8
  required: false
  section: Collect
- additionalinfo: Indicators from this integration instance will be marked with this reputation
  defaultvalue: Good
  display: Indicator Reputation
  name: feedReputation
  options:
  - None
  - Good
  - Suspicious
  - Bad
  type: 18
  required: false
  section: Collect
- additionalinfo: Reliability of the source providing the intelligence data
  defaultvalue: A - Completely reliable
  display: Source Reliability
  name: feedReliability
  options:
  - A - Completely reliable
  - B - Usually reliable
  - C - Fairly reliable
  - D - Not usually reliable
  - E - Unreliable
  - F - Reliability cannot be judged
  required: true
  type: 15
  section: Collect
- defaultvalue: indicatorType
  name: feedExpirationPolicy
  display: ""
  options:
  - never
  - interval
  - indicatorType
  - suddenDeath
  type: 17
  required: false
  section: Collect
  advanced: true
- defaultvalue: '240'
  display: Feed Fetch Interval
  name: feedFetchInterval
  type: 19
  required: false
  section: Collect
  advanced: true
- defaultvalue: '20160'
  display: ""
  name: feedExpirationInterval
  type: 1
  required: false
  section: Collect
  advanced: true
- additionalinfo: Supports CSV values.
  display: Tags
  name: feedTags
  type: 0
  required: false
  section: Collect
  advanced: true
- additionalinfo: 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.
  display: Bypass exclusion list
  name: feedBypassExclusionList
  type: 8
  required: false
  section: Collect
  advanced: true
- additionalinfo: The Traffic Light Protocol (TLP) designation to apply to indicators fetched from the feed.
  display: Traffic Light Protocol Color
  name: tlp_color
  options:
  - RED
  - AMBER
  - GREEN
  - WHITE
  type: 15
  required: false
  section: Collect
- display: Enrichment Excluded
  name: enrichmentExcluded
  type: 8
  required: false
  additionalinfo: Select this option to exclude the fetched indicators from the enrichment process.
  defaultvalue: 'false'
  hidden:
  - xsoar_on_prem
  section: Collect
- display: Trust any certificate (not secure)
  name: insecure
  type: 8
  required: false
  section: Connect
  advanced: true
- display: Use system proxy settings
  name: proxy
  type: 8
  required: false
  section: Connect
  advanced: true
description: A feed of known benign IPs of public DNS servers.
display: Public DNS Feed
name: Public DNS Feed
script:
  commands:
  - arguments:
    - defaultValue: '10'
      description: The maximum number of results to return. The default value is 10.
      name: limit
    description: Gets indicators from the feed.
    name: public-dns-get-indicators
  dockerimage: demisto/netutils:1.0.0.10187688
  feed: true
  runonce: false
  script: '-'
  subtype: python3
  type: python
tests:
- Public_DNS_Feed_Test
fromversion: 5.5.0
sectionorder:
- Connect
- Collect