title: Chafer Activity
id: c0580559-a6bd-4ef6-b9b7-83703d98b561
related:
    - id: 53ba33fd-3a50-4468-a5ef-c583635cfa92
      type: derived
description: Detects Chafer activity attributed to OilRig as reported in Nyotron report in March 2018
status: experimental
references:
    - https://nyotron.com/nyotron-discovers-next-generation-oilrig-attacks/
tags:
    - attack.persistence
    - attack.g0049
    - attack.t1053.005
    - attack.s0111
    - attack.t1543.003
    - attack.defense_evasion
    - attack.t1112
    - attack.command_and_control
    - attack.t1071.004
date: 2018/03/23
modified: 2021/09/19
author: Florian Roth, Markus Neis, Jonhnathan Ribeiro, Daniil Yugoslavskiy, oscd.community
logsource:
    product: windows
    service: security
detection:
    selection_service:
        EventID: 4698
        TaskName:
            - 'SC Scheduled Scan'
            - 'UpdatMachine'
    condition: selection_service
falsepositives:
    - Unknown
level: critical