Deprecated - Potential DNS Tunneling via Iodine

Iodine is a tool for tunneling Internet protocol version 4 (IPV4) traffic over the DNS protocol to circumvent firewalls, network security groups, and network access lists while evading detection.

Rule type: query
Rule indices:

• auditbeat-*
• logs-endpoint.events.*
• endgame-*

Rule Severity: high
Risk Score: 73
Runs every:
Searches indices from: now-9m
Maximum alerts per execution: 100
References:

• https://code.kryo.se/iodine/

Tags:

• Domain: Endpoint
• OS: Linux
• Use Case: Threat Detection
• Tactic: Command and Control
• Data Source: Elastic Endgame
• Data Source: Elastic Defend

Version: 105
Rule authors:

• Elastic

Rule license: Elastic License v2

This rule was deprecated due to its addition to the umbrella Potential Linux Tunneling and/or Port Forwarding (6ee947e9-de7e-4281-a55d-09289bdf947e) rule.

event.category:process and host.os.type:linux and event.type:(start or process_started) and process.name:(iodine or iodined)
		

Framework: MITRE ATT&CK

• Tactic:

  • Name: Command and Control
  • Id: TA0011
  • Reference URL: https://attack.mitre.org/tactics/TA0011/

• Technique:

  • Name: Protocol Tunneling
  • Id: T1572
  • Reference URL: https://attack.mitre.org/techniques/T1572/