SigmaHQ/rules/windows/registry_event/sysmon_cmstp_execution.yml
2020-06-24 18:10:58 +02:00

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1.2 KiB
YAML
Executable File

action: global
title: CMSTP Execution
id: 9d26fede-b526-4413-b069-6e24b6d07167
status: stable
description: Detects various indicators of Microsoft Connection Manager Profile Installer execution
tags:
- attack.defense_evasion
- attack.execution
- attack.t1191
- attack.g0069
- car.2019-04-001
author: Nik Seetharaman
date: 2018/07/16
references:
- http://www.endurant.io/cmstp/detecting-cmstp-enabled-code-execution-and-uac-bypass-with-sysmon/
fields:
- CommandLine
- ParentCommandLine
- Details
falsepositives:
- Legitimate CMSTP use (unlikely in modern enterprise environments)
level: high
---
logsource:
category: process_creation,registry_event
product: windows
detection:
# Registry Object Add
selection2:
TargetObject: '*\cmmgr32.exe*'
EventType: 'CreateKey'
# Registry Object Value Set
selection3:
TargetObject: '*\cmmgr32.exe*'
# Process Access Call Trace
selection4:
CallTrace: '*cmlua.dll*'
condition: 1 of them
---
detection:
# CMSTP Spawning Child Process
selection1:
ParentImage: '*\cmstp.exe'
condition: 1 of them
logsource:
category: process_creation
product: windows