GitHub Repo

Nslookup Exfil

Date: 2022-06-03 ID: 83752ecc-e349-11ec-8e0c-acde48001122 Author: Teoderick Contreras Environment: attack_range Directory: nslookup_exfil

Description

Generated datasets for nslookup exfil in attack range.

MITRE ATT&CK Techniques

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

Environment Details

Field Value
Environment attack_range
Directory nslookup_exfil
Test Date 2022-06-03

Datasets

The following datasets were collected during this attack simulation:

Windows-Sysmon

  • Path: /datasets/attack_techniques/T1048.003/nslookup_exfil/windows-sysmon.log
  • Sourcetype: XmlWinEventLog
  • Source: XmlWinEventLog:Microsoft-Windows-Sysmon/Operational

Sysmon

  • Path: /datasets/attack_techniques/T1048.003/nslookup_exfil/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
Excessive Usage of NSLOOKUP App Anomaly Endpoint T1048 Suspicious DNS Traffic, Dynamic DNS, Data Exfiltration, Command And Control
DNS Exfiltration Using Nslookup App TTP Endpoint T1048 Suspicious DNS Traffic, Dynamic DNS, Data Exfiltration, Command And Control, Compromised Windows Host

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/nslookup_exfil/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

Related Content

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

Source: GitHub | Version: 1.0