Linux Auditd Chmod Exec Attrib

Date: 2025-02-20 ID: e201ca8a-ef95-11ef-b72e-629be3538068 Author: Teoderick Contreras, Splunk Environment: attack_range Directory: linux_auditd_chmod_exec_attrib

Description

Generated datasets for linux auditd chmod exec attrib in attack range.

MITRE ATT&CK Techniques

ID	Technique	Tactic
T1222.002	Linux and Mac File and Directory Permissions Modification	Defense Evasion

Environment Details

Field	Value
Environment	attack_range
Directory	linux_auditd_chmod_exec_attrib
Test Date	2025-02-20

Datasets

The following datasets were collected during this attack simulation:

Auditd_proctitle_chmod

Path: /datasets/attack_techniques/T1222.002/linux_auditd_chmod_exec_attrib/auditd_proctitle_chmod.log
Sourcetype: auditd
Source: auditd

Linux_auditd_chmod_exec_attrib

Path: /datasets/attack_techniques/T1222.002/linux_auditd_chmod_exec_attrib/linux_auditd_chmod_exec_attrib.log
Sourcetype: auditd
Source: auditd

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

Detection Name	Type	Source	MITRE ATT&CK	Analytic Story
Linux Auditd File Permission Modification Via Chmod	`Anomaly`	Endpoint	T1222.002	Linux Persistence Techniques, Compromised Linux Host, China-Nexus Threat Activity, Linux Living Off The Land, XorDDos, Salt Typhoon, Linux Privilege Escalation

Usage Instructions

Replay with Splunk Attack Data

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

1python replay.py --dataset /datasets/attack_techniques/T1222.002/linux_auditd_chmod_exec_attrib/auditd_proctitle_chmod.log --index attack_data

Manual Import

Download the dataset files from the paths listed above
Configure your Splunk instance with the appropriate sourcetypes
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