Renamed Msdt.EXE Execution — Sigma Rule

Rule metadata and linked tags

Author: pH-T (Nextron Systems). Source status: test; severity: high. Source dates: 2022-06-03 / 2023-02-03.

{
  "category": "process_creation",
  "product": "windows"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 01902fefe0c1651f033e04f0da0a52cdd6fc1b3fe780f7e345c6d71d97943e26

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

title: Renamed Msdt.EXE Execution
id: bd1c6866-65fc-44b2-be51-5588fcff82b9
status: test
description: Detects the execution of a renamed "Msdt.exe" binary
references:
    - https://lolbas-project.github.io/lolbas/Binaries/Msdt/
author: pH-T (Nextron Systems)
date: 2022-06-03
modified: 2023-02-03
tags:
    - attack.stealth
    - attack.t1036.003
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        OriginalFileName: 'msdt.exe'
    filter:
        Image|endswith: '\msdt.exe'
    condition: selection and not filter
falsepositives:
    - Unlikely
level: high
regression_tests_path: regression_data/rules/windows/process_creation/proc_creation_win_renamed_msdt/info.yml

Original YAML and metadata in JSON

False positives

• Unlikely

Source references

• https://lolbas-project.github.io/lolbas/Binaries/Msdt/