Suspicious Execution of Renamed BOINC Client (via process_creation)

This rule detects the execution of a renamed BOINC binary.

SigmamediumWindowsv1
sigma
title: Suspicious Execution of Renamed BOINC Client (via process_creation)
id: d3656729-abee-55f2-884e-d4110059f2ba
status: stable
description: This rule detects the execution of a renamed BOINC binary.
references:
    - https://attack.mitre.org/techniques/T1553/
    - https://boinc.berkeley.edu/
    - https://www.virustotal.com/gui/file/91e405e8a527023fb8696624e70498ae83660fe6757cef4871ce9bcc659264d3/details
    - https://www.huntress.com/blog/fake-browser-updates-lead-to-boinc-volunteer-computing-software
author: Huntrule Team
date: 2026-02-05
tags:
    - attack.defense-impairment
    - attack.t1553
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        OriginalFileName: 'BOINC.exe'
    filter_main_legit_name:
        Image|endswith: '\BOINC.exe'
    condition: selection and not 1 of filter_main_*
falsepositives:
    - Unknown
level: medium

Known false positives

  • Unknown

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.