Long Dns Queries

Description

Manual generation of attack data by browsing to long urls. of Windows.

MITRE ATT&CK Techniques

ID Technique Tactic
T1048.003 Exfiltration Over Unencrypted Non-C2 Protocol Exfiltration

Environment Details

Field Value
Environment attack_range
Directory long_dns_queries
Test Date 2021-01-18

Datasets

The following datasets were collected during this attack simulation:

Windows-Sysmon

  • Path: /datasets/attack_techniques/T1048.003/long_dns_queries/windows-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/T1048.003/long_dns_queries/windows-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

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


Source: GitHub | Version: 1.0