GitHub Repo

Atomic Red Team

Date: 2026-01-22 ID: d1c13a02-9fa8-4d72-8e80-a75db51ed88e Author: Bhavin Patel, Splunk Environment: attack_range Directory: atomic_red_team

Description

Contains DNS query data from the windows machine where powershell is trying to make a query to a long domain name

MITRE ATT&CK Techniques

ID Technique Tactic
T1071.004 DNS Command And Control

Environment Details

Field Value
Environment attack_range
Directory atomic_red_team
Test Date 2026-01-22

Datasets

The following datasets were collected during this attack simulation:

Dns-Sysmon

  • Path: /datasets/attack_techniques/T1071.004/long_dns_query/dns-sysmon.log
  • Sourcetype: XmlWinEventLog
  • Source: XmlWinEventLog:Microsoft-Windows-Sysmon/Operational

The following detections in our security content repository use this attack data for testing:

Detection Name Type Source MITRE ATT&CK Analytic Story
DNS Query Length With High Standard Deviation Anomaly Network T1048.003 Hidden Cobra Malware, Suspicious DNS Traffic, Command And Control

Usage Instructions

Replay with Splunk Attack Data

Replay attack data with replay.py from Splunk Attack Data.

1python replay.py --dataset /datasets/attack_techniques/T1071.004/long_dns_query/dns-sysmon.log --index attack_data

Manual Import

  1. Download the dataset files from the paths listed above
  2. Configure your Splunk instance with the appropriate sourcetypes
  3. Import the logs using the Splunk Add Data wizard

Related Content

Find more detections and analytics for this attack technique in our security content repository.

Source: GitHub | Version: 1.0