GitHub Repo

Esxi System Clock Manipulation

Date: 2025-07-09 ID: f8571084-93e7-46fc-ae37-7a22e81e57f3 Author: Raven Tait, Splunk Environment: custom Directory: esxi_system_clock_manipulation

Description

Sample of ESXi syslog events showing manipulation of the system clock.

MITRE ATT&CK Techniques

ID Technique Tactic
T1070 Indicator Removal Defense Evasion

Environment Details

Field Value
Environment custom
Directory esxi_system_clock_manipulation
Test Date 2025-07-09

Datasets

The following datasets were collected during this attack simulation:

Vmw-Syslog

  • Path: /datasets/attack_techniques/T1070/esxi_system_clock_manipulation/esxi_system_clock_manipulation.log
  • Sourcetype: vmw-syslog
  • Source: vmw-syslog

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

Detection Name Type Source MITRE ATT&CK Analytic Story
ESXi System Clock Manipulation TTP Application T1070.006 ESXi Post Compromise, Black Basta Ransomware

Usage Instructions

Replay with Splunk Attack Data

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

1python replay.py --dataset /datasets/attack_techniques/T1070/esxi_system_clock_manipulation/esxi_system_clock_manipulation.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