title: Net.exe User Account Creation
author: Endgame, JHasenbusch (adapted to Sigma for oscd.community)
date: 2018/10/30
description: Identifies creation of local users via the net.exe command.
detection:
  SELECTION_1:
    EventID: 1
  SELECTION_2:
    Image:
    - '*\net.exe'
    - '*\net1.exe'
  SELECTION_3:
    CommandLine: '*user*'
  SELECTION_4:
    CommandLine: '*add*'
  condition: (SELECTION_1 and SELECTION_2 and SELECTION_3 and SELECTION_4)
falsepositives:
- Legitimate user creation.
- Better use event IDs for user creation rather than command line rules.
fields:
- ComputerName
- User
- CommandLine
id: cd219ff3-fa99-45d4-8380-a7d15116c6dc
level: medium
logsource:
  category: process_creation
  product: windows
modified: 2020/09/01
references:
- https://eqllib.readthedocs.io/en/latest/analytics/014c3f51-89c6-40f1-ac9c-5688f26090ab.html
- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1136.001/T1136.001.md
status: experimental
tags:
- attack.persistence
- attack.t1136
- attack.t1136.001
ruletype: SIGMA