GitHub Repo

Cronjobs Entry

Date: 2021-12-17 ID: e5ff2d94-5f51-11ec-ba52-acde48001122 Author: Teoderick Contreras Environment: attack_range Directory: cronjobs_entry

Description

Generated datasets for cronjobs entry in attack range.

MITRE ATT&CK Techniques

ID Technique Tactic
T1053.003 Cron Execution, Persistence, Privilege Escalation

Environment Details

Field Value
Environment attack_range
Directory cronjobs_entry
Test Date 2021-12-17

Datasets

The following datasets were collected during this attack simulation:

Sysmon_linux_cron_append

  • Path: /datasets/attack_techniques/T1053.003/cronjobs_entry/sysmon_linux_cron_append.log
  • Sourcetype: sysmon:linux
  • Source: Syslog:Linux-Sysmon/Operational

Sysmon_linux

  • Path: /datasets/attack_techniques/T1053.003/cronjobs_entry/sysmon_linux.log
  • Sourcetype: sysmon:linux
  • Source: Syslog:Linux-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
Linux Possible Append Cronjob Entry on Existing Cronjob File Hunting Endpoint T1053.003 XorDDos, Linux Living Off The Land, Linux Privilege Escalation, Scheduled Tasks, Linux Persistence Techniques
Linux Possible Cronjob Modification With Editor Hunting Endpoint T1053.003 XorDDos, Linux Living Off The Land, Linux Privilege Escalation, Scheduled Tasks, Linux Persistence Techniques
Linux Add Files In Known Crontab Directories Anomaly Endpoint T1053.003 XorDDos, Linux Living Off The Land, Linux Privilege Escalation, Scheduled Tasks, Linux Persistence Techniques

Usage Instructions

Replay with Splunk Attack Data

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

1python replay.py --dataset /datasets/attack_techniques/T1053.003/cronjobs_entry/sysmon_linux_cron_append.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