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Detection rules › Sigma

Turla PNG Dropper Service

Status
test
Severity
critical
Log source
product windows, service system
Author
Florian Roth (Nextron Systems)
Source
github.com/SigmaHQ/sigma

This method detects malicious services mentioned in Turla PNG dropper report by NCC Group in November 2018

MITRE ATT&CK coverage

TacticTechniques
PersistenceT1543.003 Create or Modify System Process: Windows Service
Privilege EscalationT1543.003 Create or Modify System Process: Windows Service

Event coverage

ProviderEvent
Service-Control-ManagerEvent ID 7045

Rule body yaml

title: Turla PNG Dropper Service
id: 1228f8e2-7e79-4dea-b0ad-c91f1d5016c1
status: test
description: This method detects malicious services mentioned in Turla PNG dropper report by NCC Group in November 2018
references:
    - https://research.nccgroup.com/2018/11/22/turla-png-dropper-is-back/
author: Florian Roth (Nextron Systems)
date: 2018-11-23
modified: 2021-11-30
tags:
    - attack.privilege-escalation
    - attack.persistence
    - attack.g0010
    - attack.t1543.003
    - detection.emerging-threats
logsource:
    product: windows
    service: system
detection:
    selection:
        Provider_Name: 'Service Control Manager'
        EventID: 7045
        ServiceName: 'WerFaultSvc'
    condition: selection
falsepositives:
    - Unlikely
level: critical

Stages and Predicates

Stage 0: condition

selection

Stage 1: selection

selection:
    Provider_Name: 'Service Control Manager'
    EventID: 7045
    ServiceName: 'WerFaultSvc'

Indicators

Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.

FieldKindValues
Provider_Nameeq
  • Service Control Manager corpus 50 (sigma 50)
ServiceNameeq
  • WerFaultSvc