Sigma rule: DNS Exfiltration and Tunneling Tools Execution

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-6dd127361b4d, updated 2021-11-27T00:00:00.000Z.

Rule

Title
DNS Exfiltration and Tunneling Tools Execution
Status
test
Level
high
Author
Daniil Yugoslavskiy, oscd.community
Date
2019-10-24
Modified
2021-11-27
File
rules/windows/process_creation/proc_creation_win_dns_exfiltration_tools_execution.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Well-known DNS Exfiltration tools execution

Log source

product
windows
category
process_creation

Detection

selection:
    - Image|endswith: '\iodine.exe'
    - Image|contains: '\dnscat2'
condition: selection

False positives (as the rule lists them)

  • Unlikely

Tags

  • attack.exfiltration
  • attack.t1048.001
  • attack.command-and-control
  • attack.t1071.004
  • attack.t1132.001

MITRE ATT&CK ids this rule names

References

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_dns_exfiltration_tools_execution.yml

Sources and licences

  • SigmaHQ

    "DNS Exfiltration and Tunneling Tools Execution" by Daniil Yugoslavskiy, oscd.community (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_dns_exfiltration_tools_execution.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: DNS Exfiltration and Tunneling Tools Execution",
entity page, dataset version ref-6dd127361b4d, updated 2021-11-27T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/98a96a5a-64a0-4c42-92c5-489da3866cb0 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 98a96a5a-64a0-4c42-92c5-489da3866cb0, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.