1200KM / sigma-rule
Potential Arbitrary Command Execution Using Msdt.EXE — Sigma Rule
Sigma rule 258fc8ce-8352-443a-9120-8a11e4857fa5. Potential Arbitrary Command Execution Using Msdt.EXE — Sigma Rule. Detects processes leveraging the "ms-msdt" handler or the "msdt.exe" binary to execute arbitrary commands as seen in the follina (CVE-2022-30190) vulnerability
Rule metadata and linked tags
Author: Nasreddine Bencherchali (Nextron Systems). Source status: test; severity: high. Source dates: 2022-05-29 / 2024-03-13.
{
"category": "process_creation",
"product": "windows"
}Pinned original Sigma rule · Detection Rule License 1.1
Source SHA-256: dd9c9b91d3ac405f5fe56415e1c52f784d7d29377d256cb652978f474dbbcc91
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: Potential Arbitrary Command Execution Using Msdt.EXE
id: 258fc8ce-8352-443a-9120-8a11e4857fa5
status: test
description: Detects processes leveraging the "ms-msdt" handler or the "msdt.exe" binary to execute arbitrary commands as seen in the follina (CVE-2022-30190) vulnerability
references:
- https://twitter.com/nao_sec/status/1530196847679401984
- https://app.any.run/tasks/713f05d2-fe78-4b9d-a744-f7c133e3fafb/
- https://twitter.com/_JohnHammond/status/1531672601067675648
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-05-29
modified: 2024-03-13
tags:
- attack.stealth
- attack.t1202
logsource:
category: process_creation
product: windows
detection:
selection_img:
- Image|endswith: '\msdt.exe'
- OriginalFileName: 'msdt.exe'
selection_cmd_inline:
CommandLine|contains: 'IT_BrowseForFile='
selection_cmd_answerfile_flag:
CommandLine|contains: ' PCWDiagnostic'
selection_cmd_answerfile_param:
CommandLine|contains|windash: ' -af '
condition: selection_img and (selection_cmd_inline or all of selection_cmd_answerfile_*)
falsepositives:
- Unknown
level: high
False positives
- Unknown
Source references
Connected ecosystem references
Exact source-tagged techniques
Telemetry review
Read the original logsource above, then inspect the linked detection workspaces for technique-level sensor context. No per-rule telemetry equivalence is inferred.
Pinned research references. No browser attack runner, live simulation result or validated detector is asserted. Source mappings and validation limits are preserved. ATT&CK / Atomic provenance · Detection provenance.