SigmaHQ/rules/windows/process_creation/win_apt_empiremonkey.yml

action: global
title: Empire Monkey
id: 10152a7b-b566-438f-a33c-390b607d1c8d
description: Detects EmpireMonkey APT reported Activity
references:
    - https://app.any.run/tasks/a4107649-8cb0-41af-ad75-113152d4d57b
tags:
    - attack.defense_evasion
    - attack.t1218.010
    - attack.t1117  # an old one
date: 2019/04/02
modified: 2020/08/27
author: Markus Neis
detection:
    condition: 1 of them
falsepositives:
    - Very Unlikely 
level: critical
---
logsource:
    category: process_creation
    product: windows
detection:
    selection_cutil:
        CommandLine|endswith: 
            - '/i:%APPDATA%\logs.txt scrobj.dll'
        Image|endswith:
            - '\cutil.exe'
    selection_regsvr32:
        CommandLine|endswith: 
            - '/i:%APPDATA%\logs.txt scrobj.dll'
        Description: 
            - Microsoft(C) Registerserver