SigmaHQ/rules/windows/malware/win_mal_blue_mockingbird.yml

action: global
title: Blue Mockingbird
id: c3198a27-23a0-4c2c-af19-e5328d49680e
status: experimental
description: Attempts to detect system changes made by Blue Mockingbird
references:
    - https://redcanary.com/blog/blue-mockingbird-cryptominer/
tags:
    - attack.execution
    - attack.t1112
    - attack.t1047
author: Trent Liffick (@tliffick)
date: 2020/05/14
falsepositives:
    - unknown
level: high
detection:
    condition: 1 of them
---
logsource:
    category: process_creation
    product: windows
detection:
  exec_selection:
    Image|endswith: '\cmd.exe'
    CommandLine|contains|all:
      - 'sc config'
      - 'wercplsupporte.dll'
---
logsource:
  category: process_creation
  product: windows
detection:
  wmic_cmd:
    Image|endswith: '\wmic.exe'
    CommandLine|endswith: 'COR_PROFILER'
---
logsource:
  product: windows
  service: sysmon
detection:
  mod_reg:
    EventID: 13
    TargetObject|endswith:
      - '\CurrentControlSet\Services\wercplsupport\Parameters\ServiceDll'