Detection rules › Sigma
User Added To Admin Group Via DseditGroup
Detects attempts to create and/or add an account to the admin group, thus granting admin privileges.
Known false positives
- Legitimate administration activities
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Initial Access | |
| Persistence | |
| Privilege Escalation | |
| Stealth |
Telemetry coverage
Rule body
title: User Added To Admin Group Via DseditGroup
id: 5d0fdb62-f225-42fb-8402-3dfe64da468a
status: test
description: Detects attempts to create and/or add an account to the admin group, thus granting admin privileges.
references:
- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1078.003/T1078.003.md#atomic-test-5---add-a-newexisting-user-to-the-admin-group-using-dseditgroup-utility---macos
- https://ss64.com/osx/dseditgroup.html
author: Sohan G (D4rkCiph3r)
date: 2023-08-22
tags:
- attack.persistence
- attack.initial-access
- attack.privilege-escalation
- attack.stealth
- attack.t1078.003
logsource:
category: process_creation
product: macos
detection:
selection:
Image|endswith: '/dseditgroup'
CommandLine|contains|all:
- ' -o edit ' # edit operation
- ' -a ' # username
- ' -t user'
- 'admin' # Group name
condition: selection
falsepositives:
- Legitimate administration activities
level: medium
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
Image|endswith: '/dseditgroup'
CommandLine|contains|all:
- ' -o edit '
- ' -a '
- ' -t user'
- 'admin'
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
CommandLine | match |
| field:"CommandLine" kind:match |
Image | ends_with |
| field:"Image" kind:ends_with value:"/dseditgroup" |