mirror of
https://github.com/valitydev/SigmaHQ.git
synced 2024-11-07 17:58:52 +00:00
35 lines
1.1 KiB
YAML
35 lines
1.1 KiB
YAML
title: Bypass UAC via CMSTP
|
|
id: e66779cc-383e-4224-a3a4-267eeb585c40
|
|
description: Detect child processes of automatically elevated instances of Microsoft Connection Manager Profile Installer (cmstp.exe).
|
|
status: experimental
|
|
author: E.M. Anhaus (orignally from Atomic Blue Detections, Endgame), oscd.community
|
|
date: 2019/10/24
|
|
modified: 2020/08/29
|
|
references:
|
|
- https://eqllib.readthedocs.io/en/latest/analytics/e584f1a1-c303-4885-8a66-21360c90995b.html
|
|
- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1191/T1191.md
|
|
tags:
|
|
- attack.privilege_escalation
|
|
- attack.defense_evasion
|
|
- attack.t1548.002
|
|
- attack.t1218.003
|
|
- attack.t1191 # an old one
|
|
- attack.t1088 # an old one
|
|
logsource:
|
|
category: process_creation
|
|
product: windows
|
|
detection:
|
|
selection:
|
|
Image|endswith: '\cmstp.exe'
|
|
CommandLine|contains:
|
|
- '/s'
|
|
- '/au'
|
|
condition: selection
|
|
fields:
|
|
- ComputerName
|
|
- User
|
|
- CommandLine
|
|
falsepositives:
|
|
- Legitimate use of cmstp.exe utility by legitimate user
|
|
level: high
|