detection.wiki

Detection rules › Sigma

Blue Mockingbird - Registry

Status
test
Severity
high
Log source
category registry_set, product windows
Author
Trent Liffick (@tliffick)
Source
github.com/SigmaHQ/sigma

Attempts to detect system changes made by Blue Mockingbird

MITRE ATT&CK coverage

TacticTechniques
Execution
Persistence
Defense Impairment

Telemetry coverage

ProviderRecord / event type
SysmonEvent ID 13: RegistryEvent (Value Set)

Rule body

title: Blue Mockingbird - Registry
id: 92b0b372-a939-44ed-a11b-5136cf680e27
related:
    - id: c3198a27-23a0-4c2c-af19-e5328d49680e
      type: derived
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: 2023-08-17
tags:
    - attack.execution
    - attack.persistence
    - attack.defense-impairment
    - attack.t1112
    - attack.t1047
    - detection.emerging-threats
logsource:
    product: windows
    category: registry_set
detection:
    selection:
        TargetObject|endswith: '\CurrentControlSet\Services\wercplsupport\Parameters\ServiceDll'
    condition: selection
falsepositives:
    - Unknown
level: high

Stages and Predicates

Stage 0: condition

selection

Stage 1: selection

selection:
    TargetObject|endswith: '\CurrentControlSet\Services\wercplsupport\Parameters\ServiceDll'

Indicators

These rows show field, operator, and value matches.

FieldKindValuesSearch
TargetObjectends_with
  • \CurrentControlSet\Services\wercplsupport\Parameters\ServiceDll
field:"TargetObject" kind:ends_with value:"\CurrentControlSet\Services\wercplsupport\Parameters\ServiceDll"