Potential Baby Shark Malware Activity


Description

Detects activity that could be related to Baby Shark malware

Query · sigma

selection:
- CommandLine|contains|all:
  - powershell.exe mshta.exe http
  - .hta
- CommandLine|contains:
  - reg query "HKEY_CURRENT_USER\Software\Microsoft\Terminal Server Client\Default"
  - cmd.exe /c taskkill /im cmd.exe
  - (New-Object System.Net.WebClient).UploadFile('http
condition: selection

Known false positives

  • Unknown
Raw source Potential Baby Shark Malware Activity · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified.
title: Potential Baby Shark Malware Activity
id: 2b30fa36-3a18-402f-a22d-bf4ce2189f35
status: test
description: Detects activity that could be related to Baby Shark malware
references:
    - https://unit42.paloaltonetworks.com/new-babyshark-malware-targets-u-s-national-security-think-tanks/
author: Florian Roth (Nextron Systems)
date: 2019-02-24
modified: 2023-03-08
tags:
    - attack.execution
    - attack.discovery
    - attack.stealth
    - attack.t1012
    - attack.t1059.003
    - attack.t1059.001
    - attack.t1218.005
    - detection.emerging-threats
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        - CommandLine|contains|all:
              - 'powershell.exe mshta.exe http'
              - '.hta'
        - CommandLine|contains:
              - 'reg query "HKEY_CURRENT_USER\Software\Microsoft\Terminal Server Client\Default"'
              - 'cmd.exe /c taskkill /im cmd.exe'
              - "(New-Object System.Net.WebClient).UploadFile('http"
    condition: selection
falsepositives:
    - Unknown
level: high

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