GitHub Repo

Url Encoded Curl

Date: 2026-02-02 ID: d9db07a0-13da-4fc5-8abe-451188ce3aa1 Author: Nasreddine Bencherchali, Splunk Environment: attack_range Directory: url_encoded_curl

Description

Generated dataset for URL encoded curl commands used in obfuscation techniques.

MITRE ATT&CK Techniques

ID Technique Tactic
T1027 Obfuscated Files or Information Defense Evasion

Environment Details

Field Value
Environment attack_range
Directory url_encoded_curl
Test Date 2026-02-02

Datasets

The following datasets were collected during this attack simulation:

Linux-Sysmon

  • Path: /datasets/attack_techniques/T1027/url_encoded_curl/linux-sysmon.log
  • Sourcetype: sysmon:linux
  • Source: Syslog:Linux-Sysmon/Operational

Windows-Sysmon

  • Path: /datasets/attack_techniques/T1027/url_encoded_curl/windows-sysmon.log
  • Sourcetype: XmlWinEventLog
  • Source: XmlWinEventLog: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
Curl Execution with Percent Encoded URL Anomaly Endpoint T1027, T1105 Compromised Windows Host, Ingress Tool Transfer, Living Off The Land

Usage Instructions

Replay with Splunk Attack Data

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

1python replay.py --dataset /datasets/attack_techniques/T1027/url_encoded_curl/linux-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

Related Content

Find more detections and analytics for this attack technique in our security content repository.

Source: GitHub | Version: 1.0