Esxi Malicious Vib Forced Install

Description

Sample of ESXi syslog events showing attempted forced installation of malicious VIBs

MITRE ATT&CK Techniques

ID Technique Tactic
T1505.006 vSphere Installation Bundles Persistence

Environment Details

Field Value
Environment custom
Directory esxi_malicious_vib_forced_install
Test Date 2025-07-08

Datasets

The following datasets were collected during this attack simulation:

Vmw-Syslog

  • Path: /datasets/attack_techniques/T1505.006/esxi_malicious_vib/esxi_malicious_vib_forced_install.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 Malicious VIB Forced Install TTP Application T1505.006 ESXi Post Compromise, Black Basta Ransomware, China-Nexus Threat Activity

Usage Instructions

Replay with Splunk Attack Data

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

1python replay.py --dataset /datasets/attack_techniques/T1505.006/esxi_malicious_vib/esxi_malicious_vib_forced_install.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