fake minecraft

Hunt Hypothesis

The fake_minecraft rule detects potential adversary behavior involving the use of a malicious file masquerading as a Minecraft-related payload, which may be used to deliver malware or establish persistence. SOC teams should proactively hunt for this behavior in Azure Sentinel to identify and mitigate early-stage threats that leverage common user trust in gaming software.

YARA Rule

rule fake_minecraft: fake android
{
  meta:
		author = "https://twitter.com/plutec_net"
		reference = "https://koodous.com/"
	condition:
		( androguard.app_name("Minecraft: Pocket Edition") or 
			androguard.app_name("Minecraft - Pocket Edition") )
		and not androguard.package_name("com.mojang.minecraftpe")
}

Deployment Notes

This YARA rule can be deployed in the following contexts:

• Microsoft Defender for Endpoint — Custom indicators / advanced hunting
• Email Gateway — Attachment scanning
• File Share Monitoring — Periodic scanning of shared drives
• YARA CLI — Manual threat hunting on endpoints

References

• https://koodous.com/
• Source Rule

False Positive Guidance

• Scenario: Scheduled Minecraft Server Backups
  Description: A system administrator schedules regular backups of a Minecraft server using a tool like mongodump or a custom script.
  Filter/Exclusion: Exclude processes initiated by the backup scheduler (e.g., cron or task scheduler) or filter by the backup directory path (e.g., /backups/minecraft/).

• Scenario: Minecraft Server Management via Ansible
  Description: An Ansible playbook is used to manage and deploy Minecraft servers, which may include copying files or running server commands.
  Filter/Exclusion: Exclude processes initiated by Ansible (e.g., ansible-playbook) or filter by the Ansible inventory file path (e.g., /etc/ansible/inventory/).

• Scenario: User-Generated Minecraft World Files
  Description: A user or developer creates or modifies Minecraft world files (e.g., .dat, .mca) for a game or development project.
  Filter/Exclusion: Exclude files or processes associated with user-generated content directories (e.g., /home/user/minecraft-worlds/).

• Scenario: System Monitoring Tool with Minecraft-Related Metrics
  Description: A monitoring tool like Prometheus or Grafana is configured to collect metrics related to a Minecraft server, which may involve parsing or logging Minecraft-specific data.
  Filter/Exclusion: Exclude processes related to monitoring tools (e.g., prometheus, grafana-server) or filter by known monitoring log directories (e.g., /var/log/prometheus/).

• Scenario: Minecraft Mod Development Environment
  Description: A developer is working on a Minecraft mod using tools like Forge, Gradle, or Minecraft Dev, which may involve compiling or packaging mod files.
  Filter/Exclusion: Exclude