Detection rules › Sigma
DNS Exfiltration and Tunneling Tools Execution
Well-known DNS Exfiltration tools execution
Known false positives
- Unlikely
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: DNS Exfiltration and Tunneling Tools Execution
id: 98a96a5a-64a0-4c42-92c5-489da3866cb0
status: test
description: Well-known DNS Exfiltration tools execution
references:
- https://github.com/iagox86/dnscat2
- https://github.com/yarrick/iodine
author: Daniil Yugoslavskiy, oscd.community
date: 2019-10-24
modified: 2021-11-27
tags:
- attack.exfiltration
- attack.t1048.001
- attack.command-and-control
- attack.t1071.004
- attack.t1132.001
logsource:
category: process_creation
product: windows
detection:
selection:
- Image|endswith: '\iodine.exe'
- Image|contains: '\dnscat2'
condition: selection
falsepositives:
- Unlikely
level: high
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
- Image|endswith: '\iodine.exe'
- Image|contains: '\dnscat2'
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
Image | ends_with |
| field:"Image" kind:ends_with value:"\iodine.exe" |
Image | match |
| field:"Image" kind:match value:"\dnscat2" |