Detection rules › Sigma
Potential Baby Shark Malware Activity
Detects activity that could be related to Baby Shark malware
MITRE ATT&CK coverage
Telemetry coverage
| Provider | Record / event type |
|---|---|
| Sysmon | Event ID 1: Process creation |
| Security-Auditing | Event ID 4688: A new process has been created. |
Rule body
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
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
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"
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
CommandLine | match |
| field:"CommandLine" kind:match |