Suspicious Execution of Hostname — Sigma Rule

Rule metadata and linked tags

Author: frack113. Source status: test; severity: low. Source dates: 2022-01-01 / not supplied.

{
  "category": "process_creation",
  "product": "windows"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 68a20aca7def5223ee642b0c6ea89e35a116767271b682aeb9d631f6d4a07a4f

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

title: Suspicious Execution of Hostname
id: 7be5fb68-f9ef-476d-8b51-0256ebece19e
status: test
description: Use of hostname to get information
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1082/T1082.md#atomic-test-6---hostname-discovery-windows
    - https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/hostname
author: frack113
date: 2022-01-01
tags:
    - attack.discovery
    - attack.t1082
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        Image|endswith: '\HOSTNAME.EXE'
    condition: selection
falsepositives:
    - Unknown
level: low

Original YAML and metadata in JSON

False positives

• Unknown

Source references

• https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1082/T1082.md#atomic-test-6---hostname-discovery-windows
• https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/hostname