Analytics Story: Microsoft Support Diagnostic Tool Vulnerability CVE-2022-30190

Date: 2022-05-31 ID: 2a60a99e-c93a-4036-af70-768fac838019 Author: Michael Haag, Teoderick Contreras, Splunk Product: Splunk Enterprise Security

Description

On Monday May 30, 2022, Microsoft issued CVE-2022-30190 regarding the Microsoft Support Diagnostic Tool (MSDT) in Windows vulnerability.

Why it matters

A remote code execution vulnerability exists when MSDT is called using the URL protocol from a calling application such as Word. An attacker who successfully exploits this vulnerability can run arbitrary code with the privileges of the calling application. The attacker can then install programs, view, change, or delete data, or create new accounts in the context allowed by the user''s rights.

Detections

Name ▲▼	Technique ▲▼	Type ▲▼
Windows Command and Scripting Interpreter Hunting Path Traversal	Command and Scripting Interpreter	Hunting
Windows Command and Scripting Interpreter Path Traversal Exec	Command and Scripting Interpreter	TTP
Windows Execute Arbitrary Commands with MSDT	System Binary Proxy Execution	TTP
Windows Office Product Spawned MSDT	Spearphishing Attachment	TTP

Data Sources

Name ▲▼	Platform ▲▼	Sourcetype ▲▼	Source ▲▼
CrowdStrike ProcessRollup2	N/A	`crowdstrike:events:sensor`	`crowdstrike`
Sysmon EventID 1	Windows	`xmlwineventlog`	`XmlWinEventLog:Microsoft-Windows-Sysmon/Operational`
Windows Event Log Security 4688	Windows	`xmlwineventlog`	`XmlWinEventLog:Security`

References

Source: GitHub | Version: 1