Execution of Suspicious Extrac32 (via process_creation)

title: Execution of Suspicious Extrac32 (via process_creation)
id: a58b5369-b882-54d3-8a93-46bc6eb89a90
status: stable
description: This rule detects or Copy file with Extrac32
references:
    - https://attack.mitre.org/techniques/T1105/
    - https://lolbas-project.github.io/lolbas/Binaries/Extrac32/
author: Huntrule Team
date: 2026-07-04
tags:
    - attack.command-and-control
    - attack.t1105
logsource:
    category: process_creation
    product: windows
detection:
    selection_lolbas:
        - CommandLine|contains: extrac32.exe
        - Image|endswith: '\extrac32.exe'
        - OriginalFileName: 'extrac32.exe'
    selection_archive:
        CommandLine|contains: '.cab'
    selection_options:
        CommandLine|contains:
            - /C
            - /Y
            - ' \\\\'
    condition: all of selection_*
falsepositives:
    - Unknown
level: medium