Sigma Rule Library

Blue Mockingbird

Attempts to detect system changes made by Blue Mockingbird

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Detection logic

sc_cmd

Image|endswith: \cmd.exe
CommandLine|contains|all:
  - sc config
  - wercplsupporte.dll

wmic_cmd

Image|endswith: \wmic.exe
CommandLine|endswith: COR_PROFILER

Condition

sc_cmd or wmic_cmd

Raw YAML

title: Blue Mockingbird
id: c3198a27-23a0-4c2c-af19-e5328d49680e
related:
    - id: ce239692-aa94-41b3-b32f-9cab259c96ea
      type: merged
status: test
description: Attempts to detect system changes made by Blue Mockingbird
references:
    - https://redcanary.com/blog/blue-mockingbird-cryptominer/
author: Trent Liffick (@tliffick)
date: 2020-05-14
modified: 2022-10-09
tags:
    - attack.persistence
    - attack.execution
    - attack.defense-impairment
    - attack.t1112
    - attack.t1047
    - detection.emerging-threats
logsource:
    category: process_creation
    product: windows
detection:
    sc_cmd:
        Image|endswith: '\cmd.exe'
        CommandLine|contains|all:
            - 'sc config'
            - 'wercplsupporte.dll'
    wmic_cmd:
        Image|endswith: '\wmic.exe'
        CommandLine|endswith: 'COR_PROFILER'
    condition: sc_cmd or wmic_cmd
falsepositives:
    - Unknown
level: high

False positives

  • Unknown

References

  • mergedce239692-aa94-41b3-b32f-9cab259c96ea

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