Register new Logon Process by Rubeus — Sigma Rule

Rule metadata and linked tags

Author: Roberto Rodriguez (source), Ilyas Ochkov (rule), oscd.community. Source status: test; severity: high. Source dates: 2019-10-24 / 2022-10-09.

{
  "product": "windows",
  "service": "security"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: f06e3c5c068f6e71df0e888c99a5c32b2f8093a43790ec8fbb4c0941b7d4438b

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: Register new Logon Process by Rubeus
id: 12e6d621-194f-4f59-90cc-1959e21e69f7
status: test
description: Detects potential use of Rubeus via registered new trusted logon process
references:
    - https://posts.specterops.io/hunting-in-active-directory-unconstrained-delegation-forests-trusts-71f2b33688e1
author: Roberto Rodriguez (source), Ilyas Ochkov (rule), oscd.community
date: 2019-10-24
modified: 2022-10-09
tags:
    - attack.lateral-movement
    - attack.privilege-escalation
    - attack.credential-access
    - attack.t1558.003
logsource:
    product: windows
    service: security
detection:
    selection:
        EventID: 4611
        LogonProcessName: 'User32LogonProcesss'
    condition: selection
falsepositives:
    - Unknown
level: high

Original YAML and metadata in JSON

False positives

• Unknown

Source references

• https://posts.specterops.io/hunting-in-active-directory-unconstrained-delegation-forests-trusts-71f2b33688e1