Forked from embee-research/suspicious_msdt_execution.yml
Created
June 1, 2022 11:31
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title: Suspicious msdt.exe execution - Office Exploit | |
id: 97a80ed7-1f3f-4d05-9ef4-65760e634f6b | |
status: experimental | |
description: This rule will monitor suspicious arguments passed to the msdt.exe process. These arguments are an indicator of recent Office/Msdt exploitation. | |
references: | |
- https://doublepulsar.com/follina-a-microsoft-office-code-execution-vulnerability-1a47fce5629e | |
- https://twitter.com/MalwareJake/status/1531019243411623939 | |
author: 'Matthew Brennan' | |
tags: | |
- attack.execution | |
logsource: | |
category: process_creation | |
product: windows | |
detection: | |
selection1: | |
Image|endswith: | |
- 'msdt.exe' | |
selection2: | |
CommandLine|contains: | |
- 'PCWDiagnostic' | |
selection3: | |
CommandLine|contains: | |
- 'ms-msdt:-id' | |
- 'ms-msdt:/id' | |
selection4: | |
CommandLine|contains: | |
- 'invoke' | |
condition: selection1 and (selection4 or (selection2 and selection3)) | |
falsepositives: | |
- Unknown | |
level: high |
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