Kaspersky Endpoint Security Stopped Via CommandLine - Linux — Sigma Rule

Rule metadata and linked tags

Author: Milad Cheraghi. Source status: experimental; severity: high. Source dates: 2025-10-18 / not supplied.

{
  "product": "linux",
  "category": "process_creation"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 9bcdb391135a2c7229ab355d45865b88855fc69385bd200406353e6adad1141b

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

title: Kaspersky Endpoint Security Stopped Via CommandLine - Linux
id: 36388120-b3f1-4ce9-b50b-280d9a7f4c04
status: experimental
description: |
  Detects execution of the Kaspersky init.d stop script on Linux systems either directly or via systemctl.
  This activity may indicate a manual interruption of the antivirus service by an administrator, or it could be a sign of potential tampering or evasion attempts by malicious actors.
references:
    - https://support.kaspersky.com/KES4Linux/12.0.0/en-US/197929.htm
author: Milad Cheraghi
date: 2025-10-18
tags:
    - attack.execution
    - attack.defense-impairment
    - attack.t1685
logsource:
    product: linux
    category: process_creation
detection:
    selection:
        Image|endswith:
            # Note: Add the list of shells allowed in your environment that can be used to run init.d scripts.
            - '/systemctl'
            - '/bash'
            - '/sh'
        CommandLine|contains|all:
            - 'stop'
            - 'kesl'
    condition: selection
falsepositives:
    - System administrator manually stopping Kaspersky services
level: high

Original YAML and metadata in JSON

False positives

• System administrator manually stopping Kaspersky services

Source references

• https://support.kaspersky.com/KES4Linux/12.0.0/en-US/197929.htm