sigmahighTTP

CMSTP Execution Process Access

Detects various indicators of Microsoft Connection Manager Profile Installer execution

MITRE ATT&CK

defense-evasionexecution

Detection Query

selection:
  CallTrace|contains: cmlua.dll
condition: selection

Author

Nik Seetharaman

Created

2018-07-16

Data Sources

windowsProcess Access Events

Platforms

windows

References

https://web.archive.org/web/20190720093911/http://www.endurant.io/cmstp/detecting-cmstp-enabled-code-execution-and-uac-bypass-with-sysmon/

Tags

attack.defense-evasionattack.t1218.003attack.executionattack.t1559.001attack.g0069attack.g0080car.2019-04-001

Raw Content

title: CMSTP Execution Process Access
id: 3b4b232a-af90-427c-a22f-30b0c0837b95
status: stable
description: Detects various indicators of Microsoft Connection Manager Profile Installer execution
references:
    - https://web.archive.org/web/20190720093911/http://www.endurant.io/cmstp/detecting-cmstp-enabled-code-execution-and-uac-bypass-with-sysmon/
author: Nik Seetharaman
date: 2018-07-16
modified: 2021-06-27
tags:
    - attack.defense-evasion
    - attack.t1218.003
    - attack.execution
    - attack.t1559.001
    - attack.g0069
    - attack.g0080
    - car.2019-04-001
logsource:
    product: windows
    category: process_access
detection:
    # Process Access Call Trace
    selection:
        CallTrace|contains: 'cmlua.dll'
    condition: selection
falsepositives:
    - Legitimate CMSTP use (unlikely in modern enterprise environments)
level: high