title: MMC Spawning Windows Shell
author: Karneades, Swisscom CSIRT
date: 2019/08/05
description: Detects a Windows command line executable started from MMC
detection:
    SELECTION_1:
        EventID: 1
    SELECTION_10:
        Image: '*\regsvr32.exe'
    SELECTION_11:
        Image: '*\BITSADMIN*'
    SELECTION_2:
        ParentImage: '*\mmc.exe'
    SELECTION_3:
        Image: '*\cmd.exe'
    SELECTION_4:
        Image: '*\powershell.exe'
    SELECTION_5:
        Image: '*\wscript.exe'
    SELECTION_6:
        Image: '*\cscript.exe'
    SELECTION_7:
        Image: '*\sh.exe'
    SELECTION_8:
        Image: '*\bash.exe'
    SELECTION_9:
        Image: '*\reg.exe'
    condition: (SELECTION_1 and SELECTION_2 and ((SELECTION_3 or SELECTION_4 or SELECTION_5
        or SELECTION_6 or SELECTION_7 or SELECTION_8 or SELECTION_9 or SELECTION_10)
        or (SELECTION_11)))
fields:
- CommandLine
- Image
- ParentCommandLine
id: 05a2ab7e-ce11-4b63-86db-ab32e763e11d
level: high
logsource:
    category: process_creation
    product: windows
modified: 2020/09/01
references:
- https://enigma0x3.net/2017/01/05/lateral-movement-using-the-mmc20-application-com-object/
status: experimental
tags:
- attack.lateral_movement
- attack.t1175
- attack.t1021.003
yml_filename: win_mmc_spawn_shell.yml
yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/process_creation