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MediumSplunk security contentTeoderick Contreras +1Threat hunting

Linux Auditd Stop Services

The following analytic detects attempts to stop a service on Linux systems. It leverages data from Linux Auditd. This activity is significant as adversaries often stop or terminate security or critical services to…

Description

The following analytic detects attempts to stop a service on Linux systems. It leverages data from Linux Auditd. This activity is significant as adversaries often stop or terminate security or critical services to disable defenses or disrupt operations, as seen in malware like Industroyer2. If confirmed malicious, this could lead to the disabling of security mechanisms, allowing attackers to persist, escalate privileges, or deploy destructive payloads, severely impacting system integrity and availability.

Detection logic

Detection requirements

Platform
ESXiIaaSLinuxmacOSWindows

The rule states no platform. This is derived from the ATT&CK technique it maps to.

Log source category
linux_auditd_service_stop

Known benign triggers

  • Administrator or network operator can use this application for automation purposes. Please update the filter macros to remove false positives.

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