Outbound Java

Description

Manual exploitation of CVE-2021-44228-Log4j on a Linux and Windows endpoint.

MITRE ATT&CK Techniques

ID Technique Tactic
T1190 Exploit Public-Facing Application Initial Access

Environment Details

Field Value
Environment attack_range
Directory outbound_java
Test Date 2021-12-15

Datasets

The following datasets were collected during this attack simulation:

Windows-Sysmon

  • Path: /datasets/attack_techniques/T1190/outbound_java/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
Outbound Network Connection from Java Using Default Ports TTP Endpoint T1190, T1133 Log4Shell CVE-2021-44228

Usage Instructions

Replay with Splunk Attack Data

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

1python replay.py --dataset /datasets/attack_techniques/T1190/outbound_java/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