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Detection rules › Sigma

OilRig APT Registry Persistence

Status
test
Severity
critical
Log source
product windows, category registry_event
Author
Florian Roth (Nextron Systems), Markus Neis, Jonhnathan Ribeiro, Daniil Yugoslavskiy, oscd.community
Source
github.com/SigmaHQ/sigma

Detects OilRig registry persistence as reported by Nyotron in their March 2018 report

MITRE ATT&CK coverage

TacticTechniques
ExecutionT1053.005 Scheduled Task/Job: Scheduled Task
PersistenceT1053.005 Scheduled Task/Job: Scheduled Task, T1112 Modify Registry, T1543.003 Create or Modify System Process: Windows Service
Privilege EscalationT1053.005 Scheduled Task/Job: Scheduled Task, T1543.003 Create or Modify System Process: Windows Service
Defense ImpairmentT1112 Modify Registry
Command & ControlT1071.004 Application Layer Protocol: DNS

Event coverage

ProviderEventTitle
SysmonEvent ID 12RegistryEvent (Object create and delete)
SysmonEvent ID 13RegistryEvent (Value Set)
SysmonEvent ID 14RegistryEvent (Key and Value Rename)

Rule body yaml

title: OilRig APT Registry Persistence
id: 7bdf2a7c-3acc-4091-9581-0a77dad1c5b5
related:
    - id: 53ba33fd-3a50-4468-a5ef-c583635cfa92 # System
      type: similar
    - id: c0580559-a6bd-4ef6-b9b7-83703d98b561 # Security
      type: similar
    - id: ce6e34ca-966d-41c9-8d93-5b06c8b97a06 # ProcessCreation
      type: similar
status: test
description: Detects OilRig registry persistence as reported by Nyotron in their March 2018 report
references:
    - https://web.archive.org/web/20180402134442/https://nyotron.com/wp-content/uploads/2018/03/Nyotron-OilRig-Malware-Report-March-2018C.pdf
author: Florian Roth (Nextron Systems), Markus Neis, Jonhnathan Ribeiro, Daniil Yugoslavskiy, oscd.community
date: 2018-03-23
modified: 2023-03-08
tags:
    - attack.privilege-escalation
    - attack.execution
    - attack.persistence
    - attack.defense-impairment
    - attack.g0049
    - attack.t1053.005
    - attack.s0111
    - attack.t1543.003
    - attack.t1112
    - attack.command-and-control
    - attack.t1071.004
    - detection.emerging-threats
logsource:
    category: registry_event
    product: windows
detection:
    selection:
        TargetObject|endswith:
            - 'SOFTWARE\Microsoft\Windows\CurrentVersion\UMe'
            - 'SOFTWARE\Microsoft\Windows\CurrentVersion\UT'
    condition: selection
falsepositives:
    - Unlikely
level: critical

Stages and Predicates

Stage 0: condition

selection

Stage 1: selection

selection:
    TargetObject|endswith:
        - 'SOFTWARE\Microsoft\Windows\CurrentVersion\UMe'
        - 'SOFTWARE\Microsoft\Windows\CurrentVersion\UT'

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
TargetObjectends_with
  • SOFTWARE\Microsoft\Windows\CurrentVersion\UMe
  • SOFTWARE\Microsoft\Windows\CurrentVersion\UT