IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.
Elastic Docs ›SIEM Guide [7.6] ›Detections (Beta) ›Prebuilt rule reference
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Potential DNS Tunneling via Iodineedit

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 indices:

  • auditbeat-*

Severity: high

Risk score: 73

Runs every: 5 minutes

Searches indices from: now-6m (Date Math format, see also Additional look-back time)

Maximum signals per execution: 100

References:

Tags:

  • Elastic
  • Linux

Rule version: 1

Added (Elastic Stack release): 7.6.0

Potential false positivesedit

Normal use of Iodine is uncommon apart from security testing and research. Use by non-security engineers is very uncommon.

Rule queryedit

process.name: (iodine or iodined) and event.action:executed
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