GitHub Repo

Text4shell

Date: 2022-04-05 ID: 36cda810-e712-4d51-9e00-3d91a07e5b7f Author: Michael Haag, Splunk Environment: attack_range Directory: text4shell

Description

Manual generation of attack data related to Text4Shell with Zeek HTTP logs and simulation of POC on docker.

MITRE ATT&CK Techniques

ID Technique Tactic
T1190 Exploit Public-Facing Application Initial Access

Environment Details

Field Value
Environment attack_range
Directory text4shell
Test Date 2022-04-05

Datasets

The following datasets were collected during this attack simulation:

Text4shell_nginx

  • Path: /datasets/attack_techniques/T1190/text4shell/text4shell_nginx.log
  • Sourcetype: nginx:plus:access
  • Source: nginx

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

Detection Name Type Source MITRE ATT&CK Analytic Story
Exploit Public Facing Application via Apache Commons Text Anomaly Web T1133, T1190, T1505.003 Text4Shell CVE-2022-42889

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/text4shell/text4shell_nginx.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