Discovery Using AzureHound — Sigma Rule

Rule metadata and linked tags

Author: Janantha Marasinghe. Source status: test; severity: high. Source dates: 2022-11-27 / not supplied.

{
  "product": "azure",
  "service": "signinlogs"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: afaf734398961de2460fb2ef471af1e79edabd86e1ec8834a73d6cb431fce929

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: Discovery Using AzureHound
id: 35b781cc-1a08-4a5a-80af-42fd7c315c6b
status: test
description: Detects AzureHound (A BloodHound data collector for Microsoft Azure) activity via the default User-Agent that is used during its operation after successful authentication.
references:
    - https://github.com/BloodHoundAD/AzureHound
author: Janantha Marasinghe
date: 2022-11-27
tags:
    - attack.discovery
    - attack.t1087.004
    - attack.t1526
logsource:
    product: azure
    service: signinlogs
detection:
    selection:
        userAgent|contains: 'azurehound'
        ResultType: 0
    condition: selection
falsepositives:
    - Unknown
level: high

Original YAML and metadata in JSON

False positives

• Unknown

Source references

• https://github.com/BloodHoundAD/AzureHound