Detection rules › Sigma
Renamed BOINC Client Execution
Detects the execution of a renamed BOINC binary.
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Defense Impairment |
Telemetry coverage
| Provider | Record / event type |
|---|---|
| Sysmon | Event ID 1: Process creation |
Rule body
title: Renamed BOINC Client Execution
id: 30d07da2-83ab-45d8-ae75-ec7c0edcaffc
status: test
description: Detects the execution of a renamed BOINC binary.
references:
- 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: Matt Anderson (Huntress)
date: 2024-07-23
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
Stages and Predicates
Stage 0: condition
selection and not 1 of filter_main_*Stage 1: selection
selection:
OriginalFileName: 'BOINC.exe'
Stage 2: not filter_main_legit_name
filter_main_legit_name:
Image|endswith: '\BOINC.exe'
Exclusions
The rule actively suppresses these predicates.
| Field | Kind | Excluded values | Search |
|---|---|---|---|
Image | ends_with | \BOINC.exe | excludes:Image field:"Image" value:"\BOINC.exe" |
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
OriginalFileName | eq |
| field:"OriginalFileName" kind:eq value:"BOINC.exe" |