
title: DNS Tunnel Technique from MuddyWater
author: '@caliskanfurkan_'
date: 2020/06/04
description: Detecting DNS tunnel activity for Muddywater actor
detection:
  SELECTION_1:
    EventID: 1
  SELECTION_2:
    Image:
    - '*\powershell.exe'
  SELECTION_3:
    ParentImage:
    - '*\excel.exe'
  SELECTION_4:
    CommandLine:
    - '*DataExchange.dll*'
  condition: (SELECTION_1 and SELECTION_2 and SELECTION_3 and SELECTION_4)
falsepositives:
- Unknown
id: 36222790-0d43-4fe8-86e4-674b27809543
level: critical
logsource:
  category: process_creation
  product: windows
references:
- https://www.virustotal.com/gui/file/5ad401c3a568bd87dd13f8a9ddc4e450ece61cd9ce4d1b23f68ce0b1f3c190b7/
- https://www.vmray.com/analyses/5ad401c3a568/report/overview.html
status: experimental
tags:
- attack.command_and_control
- attack.t1071
- attack.t1071.004
ruletype: SIGMA
