GitHub Repo

Citrix

Date: 2023-07-21 ID: 56fbbe5d-d63e-4b59-abed-738363477b95 Author: Michael Haag, Splunk Environment: attack_range Directory: citrix

Description

Attack data related to CVE-2023-3519

MITRE ATT&CK Techniques

ID Technique Tactic
T1190 Exploit Public-Facing Application Initial Access

Environment Details

Field Value
Environment attack_range
Directory citrix
Test Date 2023-07-21

Datasets

The following datasets were collected during this attack simulation:

Suricata_citrixbleed2

  • Path: /datasets/attack_techniques/T1190/citrix/suricata_citrixbleed2.log
  • Sourcetype: suricata
  • Source: suricata

Nginx_kv_citrixbleed2_startwebview

  • Path: /datasets/attack_techniques/T1190/citrix/nginx_kv_citrixbleed2_startwebview.log
  • Sourcetype: nginx:plus:access
  • Source: nginx

Nginx_kv_cve_2023-4966-Citrix

  • Path: /datasets/attack_techniques/T1190/citrix/nginx_kv_cve_2023-4966-citrix.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
Citrix ADC and Gateway CitrixBleed 2 Memory Disclosure Anomaly Web T1190 Citrix NetScaler ADC and NetScaler Gateway CVE-2025-5777
Citrix ADC Exploitation CVE-2023-3519 Hunting Web T1190 Citrix Netscaler ADC CVE-2023-3519, CISA AA24-241A
Citrix ShareFile Exploitation CVE-2023-24489 Hunting Web T1190 Citrix ShareFile RCE CVE-2023-24489
Citrix ADC and Gateway Unauthorized Data Disclosure TTP Web T1190 Citrix NetScaler ADC and NetScaler Gateway CVE-2023-4966, Scattered Lapsus$ Hunters

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/citrix/suricata_citrixbleed2.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